From 8027c2435ca78f91927121e18faa78292b27e0bf Mon Sep 17 00:00:00 2001
From: redhoodsu <redhoodsu@tencent.com>
Date: Thu, 23 May 2019 17:26:26 +0800
Subject: [PATCH] Update util

---
 doc/UTIL_API.md            | 1413 ++++++-------
 script/util.js             |  498 +++--
 src/Resources/Resources.js |    9 +-
 src/lib/stringifyUtil.js   | 1047 ++++-----
 src/lib/util.js            | 4073 ++++++++++++++++++------------------
 test/util.js               | 1120 +++++-----
 6 files changed, 4207 insertions(+), 3953 deletions(-)

diff --git a/doc/UTIL_API.md b/doc/UTIL_API.md
index 4bf4a90..ffaa601 100644
--- a/doc/UTIL_API.md
+++ b/doc/UTIL_API.md
@@ -1,7 +1,7 @@
-# Eruda Util Documentation
-
-## $ 
-
+# Eruda Util Documentation
+
+## $ 
+
 jQuery like style dom manipulator.
 
 ### Available methods
@@ -15,14 +15,13 @@ var $btn = $('#btn');
 $btn.html('eustia');
 $btn.addClass('btn');
 $btn.show();
-$btn.on('click', function ()
-{
+$btn.on('click', function () {
     // Do something...
 });
-```
-
-## $attr 
-
+```
+
+## $attr 
+
 Element attribute manipulation.
 
 Get the value of an attribute for the first element in the set of matched elements.
@@ -63,10 +62,10 @@ $attr('#test', {
     'attr1': 'test',
     'attr2': 'test'
 });
-```
-
-## $class 
-
+```
+
+## $class 
+
 Element class manipulations.
 
 ### add
@@ -104,7 +103,7 @@ Remove a single class, multiple classes, or all classes from each element in the
 |Name   |Type                |Desc                  |
 |-------|--------------------|----------------------|
 |element|string array element|Elements to manipulate|
-|names  |string              |Class names to remove |
+|name   |string              |Class names to remove |
 
 ```javascript
 $class.add('#test', 'class1');
@@ -114,10 +113,10 @@ $class.remove('#test', 'class1');
 $class.has('#test', 'class1'); // -> false
 $class.toggle('#test', 'class1');
 $class.has('#test', 'class1'); // -> true
-```
-
-## $css 
-
+```
+
+## $css 
+
 Element css manipulation.
 
 Get the computed style properties for the first element in the set of matched elements.
@@ -143,36 +142,35 @@ Set one or more CSS properties for the set of matched elements.
 
 ```javascript
 $css('#test', {
-    'color': '#fff',
-    'background': 'black'
+    color: '#fff',
+    background: 'black'
 });
 $css('#test', 'display', 'block');
 $css('#test', 'color'); // -> #fff
-```
-
-## $data 
-
+```
+
+## $data 
+
 Wrapper of $attr, adds data- prefix to keys.
 
 ```javascript
 $data('#test', 'attr1', 'eustia');
-```
-
-## $event 
-
+```
+
+## $event 
+
 bind events to certain dom elements.
 
 ```javascript
-function clickHandler()
-{
+function clickHandler() {
     // Do something...
 }
 $event.on('#test', 'click', clickHandler);
 $event.off('#test', 'click', clickHandler);
-```
-
-## $insert 
-
+```
+
+## $insert 
+
 Insert html on different position.
 
 ### before
@@ -206,10 +204,10 @@ $insert.prepend('#test', '<div>licia</div>');
 // -> <div id="test"><div>licia</div><div class="mark"></div></div>
 $insert.append('#test', '<div>licia</div>');
 // -> <div id="test"><div class="mark"></div><div>licia</div></div>
-```
-
-## $offset 
-
+```
+
+## $offset 
+
 Get the position of the element in document.
 
 |Name   |Type                |Desc                  |
@@ -218,10 +216,10 @@ Get the position of the element in document.
 
 ```javascript
 $offset('#test'); // -> {left: 0, top: 0, width: 0, height: 0}
-```
-
-## $property 
-
+```
+
+## $property 
+
 Element property html, text, val getter and setter.
 
 ### html
@@ -243,10 +241,10 @@ set the value of every matched element.
 ```javascript
 $property.html('#test', 'licia');
 $property.html('#test'); // -> licia
-```
-
-## $remove 
-
+```
+
+## $remove 
+
 Remove the set of matched elements from the DOM.
 
 |Name   |Type                |Desc              |
@@ -255,10 +253,10 @@ Remove the set of matched elements from the DOM.
 
 ```javascript
 $remove('#test');
-```
-
-## $safeEls 
-
+```
+
+## $safeEls 
+
 Convert value into an array, if it's a string, do querySelector.
 
 |Name  |Type                |Desc             |
@@ -267,11 +265,13 @@ Convert value into an array, if it's a string, do querySelector.
 |return|array               |Array of elements|
 
 ```javascript
+$safeEls(document.querySelector('.test'));
+$safeEls(document.querySelectorAll('.test'));
 $safeEls('.test'); // -> Array of elements with test class
-```
-
-## $show 
-
+```
+
+## $show 
+
 Show elements.
 
 |Name   |Type                |Desc            |
@@ -280,10 +280,10 @@ Show elements.
 
 ```javascript
 $show('#test');
-```
-
-## Class 
-
+```
+
+## Class 
+
 Create JavaScript class.
 
 |Name     |Type    |Desc                             |
@@ -294,31 +294,26 @@ Create JavaScript class.
 
 ```javascript
 var People = Class({
-    initialize: function People(name, age)
-    {
+    initialize: function People(name, age) {
         this.name = name;
         this.age = age;
     },
-    introduce: function ()
-    {
+    introduce: function () {
         return 'I am ' + this.name + ', ' + this.age + ' years old.';
     }
 });
 
 var Student = People.extend({
-    initialize: function Student(name, age, school)
-    {
+    initialize: function Student(name, age, school) {
         this.callSuper(People, 'initialize', arguments);
 
         this.school = school;
     },
-    introduce: function ()
-    {
+    introduce: function () {
         return this.callSuper(People, 'introduce') + '\n I study at ' + this.school + '.';
     }
 }, {
-    is: function (obj)
-    {
+    is: function (obj) {
         return obj instanceof Student;
     }
 });
@@ -326,10 +321,10 @@ var Student = People.extend({
 var a = new Student('allen', 17, 'Hogwarts');
 a.introduce(); // -> 'I am allen, 17 years old. \n I study at Hogwarts.'
 Student.is(a); // -> true
-```
-
-## Emitter 
-
+```
+
+## Emitter 
+
 Event emitter class which provides observer pattern.
 
 ### on
@@ -371,10 +366,10 @@ var event = new Emitter();
 event.on('test', function () { console.log('test') });
 event.emit('test'); // Logs out 'test'.
 Emitter.mixin({});
-```
-
-## Enum 
-
+```
+
+## Enum 
+
 Enum type implementation.
 
 ### constructor
@@ -391,15 +386,14 @@ Enum type implementation.
 var importance = new Enum([
     'NONE', 'TRIVIAL', 'REGULAR', 'IMPORTANT', 'CRITICAL'
 ]);
-
-if (val === importance.CRITICAL)
-{
+const val = 1;
+if (val === importance.CRITICAL) {
     // Do something.
 }
-```
-
-## LocalStore 
-
+```
+
+## LocalStore 
+
 LocalStorage wrapper.
 
 Extend from Store.
@@ -414,21 +408,23 @@ Extend from Store.
 ```javascript
 var store = new LocalStore('licia');
 store.set('name', 'licia');
-```
-
-## Logger 
-
+```
+
+## Logger 
+
 Simple logger with level filter.
 
 ### constructor
 
-|Name         |Type  |Desc        |
-|-------------|------|------------|
-|name         |string|Logger name |
-|[level=DEBUG]|number|Logger level|
+|Name       |Type  |Desc        |
+|-----------|------|------------|
+|name       |string|Logger name |
+|level=DEBUG|number|Logger level|
 
 ### setLevel
 
+Set level.
+
 |Name |Type         |Desc        |
 |-----|-------------|------------|
 |level|number string|Logger level|
@@ -450,39 +446,35 @@ var logger = new Logger('licia', Logger.level.ERROR);
 logger.trace('test');
 
 // Format output.
-logger.formatter = function (type, argList)
-{
+logger.formatter = function (type, argList) {
     argList.push(new Date().getTime());
 
     return argList;
 };
 
-logger.on('all', function (type, argList)
-{
+logger.on('all', function (type, argList) {
     // It's not affected by log level.
 });
 
-logger.on('debug', function (argList)
-{
+logger.on('debug', function (argList) {
     // Affected by log level.
 });
-```
-
-## MutationObserver 
-
+```
+
+## MutationObserver 
+
 Safe MutationObserver, does nothing if MutationObserver is not supported.
 
 ```javascript
-var observer = new MutationObserver(function (mutations)
-{
+var observer = new MutationObserver(function (mutations) {
     // Do something.
 });
-observer.observe(document.htmlElement);
+observer.observe(document.documentElement);
 observer.disconnect();
-```
-
-## Select 
-
+```
+
+## Select 
+
 Simple wrapper of querySelectorAll to make dom selection easier.
 
 ### constructor
@@ -509,14 +501,13 @@ Iterate over matched elements.
 
 ```javascript
 var $test = new Select('#test');
-$test.find('.test').each(function (idx, element)
-{
+$test.find('.test').each(function (idx, element) {
     // Manipulate dom nodes
 });
-```
-
-## Store 
-
+```
+
+## Store 
+
 Memory storage.
 
 Extend from Emitter.
@@ -585,18 +576,16 @@ var store = new Store('test');
 store.set('user', {name: 'licia'});
 store.get('user').name; // -> 'licia'
 store.clear();
-store.each(function (val, key)
-{
+store.each(function (val, key) {
     // Do something.
 });
-store.on('change', function (key, newVal, oldVal)
-{
+store.on('change', function (key, newVal, oldVal) {
     // It triggers whenever set is called.
 });
-```
-
-## Url 
-
+```
+
+## Url 
+
 Simple url manipulator.
 
 ### constructor
@@ -617,7 +606,7 @@ Set query value.
 
 |Name  |Type  |Desc        |
 |------|------|------------|
-|names |object|query object|
+|query |object|query object|
 |return|Url   |this        |
 
 ### rmQuery
@@ -665,11 +654,11 @@ var url = new Url('http://example.com:8080?eruda=true');
 console.log(url.port); // -> '8080'
 url.query.foo = 'bar';
 url.rmQuery('eruda');
-utl.toString(); // -> 'http://example.com:8080/?foo=bar'
-```
-
-## ajax 
-
+url.toString(); // -> 'http://example.com:8080/?foo=bar'
+```
+
+## ajax 
+
 Perform an asynchronous HTTP request.
 
 |Name   |Type  |Desc        |
@@ -680,6 +669,7 @@ Available options:
 
 |Name                                         |Type         |Desc                       |
 |---------------------------------------------|-------------|---------------------------|
+|type=get                                     |type         |Request type               |
 |url                                          |string       |Request url                |
 |data                                         |string object|Request data               |
 |dataType=json                                |string       |Response type(json, xml)   |
@@ -708,22 +698,20 @@ Shortcut for type = POST;
 ajax({
     url: 'http://example.com',
     data: {test: 'true'},
-    error: function () {},
-    success: function (data)
-    {
+    error() {},
+    success(data) {
         // ...
     },
     dataType: 'json'
 });
 
-ajax.get('http://example.com', {}, function (data)
-{
+ajax.get('http://example.com', {}, function (data) {
     // ...
 });
-```
-
-## allKeys 
-
+```
+
+## allKeys 
+
 Retrieve all the names of object's own and inherited properties.
 
 |Name  |Type  |Desc                       |
@@ -731,16 +719,16 @@ Retrieve all the names of object's own and inherited properties.
 |obj   |object|Object to query            |
 |return|array |Array of all property names|
 
-> Members of Object's prototype won't be retrieved.
+Members of Object's prototype won't be retrieved.
 
 ```javascript
 var obj = Object.create({zero: 0});
 obj.one = 1;
 allKeys(obj) // -> ['zero', 'one']
-```
-
-## before 
-
+```
+
+## before 
+
 Create a function that invokes less than n times.
 
 |Name  |Type    |Desc                                            |
@@ -752,12 +740,12 @@ Create a function that invokes less than n times.
 Subsequent calls to the created function return the result of the last fn invocation.
 
 ```javascript
-$(element).on('click', before(5, function() {}));
-// -> allow function to be call 4 times at last.
-```
-
-## camelCase 
-
+const fn = before(5, function() {});
+fn(); // Allow function to be call 4 times at last.
+```
+
+## camelCase 
+
 Convert string to "camelCase".
 
 |Name  |Type  |Desc              |
@@ -770,42 +758,43 @@ camelCase('foo-bar'); // -> fooBar
 camelCase('foo bar'); // -> fooBar
 camelCase('foo_bar'); // -> fooBar
 camelCase('foo.bar'); // -> fooBar
-```
-
-## castPath 
-
+```
+
+## castPath 
+
 Cast value into a property path array.
 
-|Name  |Type  |Desc               |
-|------|------|-------------------|
-|str   |*     |Value to inspect   |
-|[obj] |object|Object to query    |
-|return|array |Property path array|
+|Name  |Type        |Desc               |
+|------|------------|-------------------|
+|path  |string array|Value to inspect   |
+|[obj] |object      |Object to query    |
+|return|array       |Property path array|
 
 ```javascript
 castPath('a.b.c'); // -> ['a', 'b', 'c']
 castPath(['a']); // -> ['a']
 castPath('a[0].b'); // -> ['a', '0', 'b']
 castPath('a.b.c', {'a.b.c': true}); // -> ['a.b.c']
-```
-
-## chunk 
-
+```
+
+## chunk 
+
 Split array into groups the length of given size.
 
 |Name  |Type  |Desc                |
 |------|------|--------------------|
 |arr   |array |Array to process    |
 |size=1|number|Length of each chunk|
+|return|array |Chunks of given size|
 
 ```javascript
 chunk([1, 2, 3, 4], 2); // -> [[1, 2], [3, 4]]
 chunk([1, 2, 3, 4], 3); // -> [[1, 2, 3], [4]]
 chunk([1, 2, 3, 4]); // -> [[1], [2], [3], [4]]
-```
-
-## clamp 
-
+```
+
+## clamp 
+
 Clamp number within the inclusive lower and upper bounds.
 
 |Name   |Type  |Desc           |
@@ -821,10 +810,10 @@ clamp(10, -5, 5); // -> 5
 clamp(2, -5, 5); // -> 2
 clamp(10, 5); // -> 5
 clamp(2, 5); // -> 2
-```
-
-## clone 
-
+```
+
+## clone 
+
 Create a shallow-copied clone of the provided plain object.
 
 Any nested objects or arrays will be copied by reference, not duplicated.
@@ -836,10 +825,10 @@ Any nested objects or arrays will be copied by reference, not duplicated.
 
 ```javascript
 clone({name: 'eustia'}); // -> {name: 'eustia'}
-```
-
-## cloneDeep 
-
+```
+
+## cloneDeep 
+
 Recursively clone value.
 
 |Name  |Type|Desc             |
@@ -851,10 +840,10 @@ Recursively clone value.
 var obj = [{a: 1}, {a: 2}];
 var obj2 = cloneDeep(obj);
 console.log(obj[0] === obj2[1]); // -> false
-```
-
-## concat 
-
+```
+
+## concat 
+
 Concat multiple arrays into a single array.
 
 |Name  |Type |Desc              |
@@ -864,25 +853,25 @@ Concat multiple arrays into a single array.
 
 ```javascript
 concat([1, 2], [3], [4, 5]); // -> [1, 2, 3, 4, 5]
-```
-
-## contain 
-
+```
+
+## contain 
+
 Check if the value is present in the list.
 
 |Name  |Type        |Desc                                |
 |------|------------|------------------------------------|
-|array |array object|Target list                         |
+|target|array object|Target object                       |
 |value |*           |Value to check                      |
 |return|boolean     |True if value is present in the list|
 
 ```javascript
 contain([1, 2, 3], 1); // -> true
 contain({a: 1, b: 2}, 1); // -> true
-```
-
-## cookie 
-
+```
+
+## cookie 
+
 Simple api for handling browser cookies.
 
 ### get
@@ -919,28 +908,28 @@ Remove cookie value.
 cookie.set('a', '1', {path: '/'});
 cookie.get('a'); // -> '1'
 cookie.remove('a');
-```
-
-## createAssigner 
-
+```
+
+## createAssigner 
+
 Used to create extend, extendOwn and defaults.
 
 |Name    |Type    |Desc                          |
 |--------|--------|------------------------------|
 |keysFn  |function|Function to get object keys   |
 |defaults|boolean |No override when set to true  |
-|return  |function|Result function, extend...    |
-
-## dateFormat 
-
+|return  |function|Result function, extend...    |
+
+## dateFormat 
+
 Simple but extremely useful date format function.
 
-|Name           |Type   |Desc                 |
-|---------------|-------|---------------------|
-|[date=new Date]|Date   |Date object to format|
-|mask           |string |Format mask          |
-|[utc=false]    |boolean|UTC or not           |
-|[gmt=false]    |boolean|GMT or not           |
+|Name         |Type   |Desc                 |
+|-------------|-------|---------------------|
+|date=new Date|Date   |Date object to format|
+|mask         |string |Format mask          |
+|utc=false    |boolean|UTC or not           |
+|gmt=false    |boolean|GMT or not           |
 
 |Mask|Description                                                      |
 |----|-----------------------------------------------------------------|
@@ -976,10 +965,10 @@ Simple but extremely useful date format function.
 dateFormat('isoDate'); // -> 2016-11-19
 dateFormat('yyyy-mm-dd HH:MM:ss'); // -> 2016-11-19 19:00:04
 dateFormat(new Date(), 'yyyy-mm-dd'); // -> 2016-11-19
-```
-
-## decodeUriComponent 
-
+```
+
+## decodeUriComponent 
+
 Better decodeURIComponent that does not throw if input is invalid.
 
 |Name  |Type  |Desc            |
@@ -990,10 +979,10 @@ Better decodeURIComponent that does not throw if input is invalid.
 ```javascript
 decodeUriComponent('%%25%'); // -> '%%%'
 decodeUriComponent('%E0%A4%A'); // -> '\xE0\xA4%A'
-```
-
-## defaults 
-
+```
+
+## defaults 
+
 Fill in undefined properties in object with the first value present in the following list of defaults objects.
 
 |Name  |Type  |Desc              |
@@ -1004,10 +993,10 @@ Fill in undefined properties in object with the first value present in the follo
 
 ```javascript
 defaults({name: 'RedHood'}, {name: 'Unknown', age: 24}); // -> {name: 'RedHood', age: 24}
-```
-
-## delegate 
-
+```
+
+## delegate 
+
 Event delegation.
 
 ### add
@@ -1027,75 +1016,72 @@ Remove event delegation.
 
 ```javascript
 var container = document.getElementById('container');
-function clickHandler()
-{
+function clickHandler() {
     // Do something...
 }
 delegate.add(container, 'click', '.children', clickHandler);
 delegate.remove(container, 'click', '.children', clickHandler);
-```
-
-## detectBrowser 
-
+```
+
+## detectBrowser 
+
 Detect browser info using ua.
 
-|Name                    |Type  |Desc                              |
-|------------------------|------|----------------------------------|
-|[ua=navigator.userAgent]|string|Browser userAgent                 |
-|return                  |object|Object containing name and version|
+|Name                  |Type  |Desc                              |
+|----------------------|------|----------------------------------|
+|ua=navigator.userAgent|string|Browser userAgent                 |
+|return                |object|Object containing name and version|
 
 Browsers supported: ie, chrome, edge, firefox, opera, safari, ios(mobile safari), android(android browser)
 
 ```javascript
 var browser = detectBrowser();
-if (browser.name === 'ie' && browser.version < 9)
-{
+if (browser.name === 'ie' && browser.version < 9) {
     // Do something about old IE...
 }
-```
-
-## detectMocha 
-
+```
+
+## detectMocha 
+
 Detect if mocha is running.
 
 ```javascript
 detectMocha(); // -> True if mocha is running.
-```
-
-## detectOs 
-
+```
+
+## detectOs 
+
 Detect operating system using ua.
 
-|Name                    |Type  |Desc                 |
-|------------------------|------|---------------------|
-|[ua=navigator.userAgent]|string|Browser userAgent    |
-|return                  |string|Operating system name|
+|Name                  |Type  |Desc                 |
+|----------------------|------|---------------------|
+|ua=navigator.userAgent|string|Browser userAgent    |
+|return                |string|Operating system name|
 
 Supported os: windows, os x, linux, ios, android, windows phone
 
 ```javascript
-if (detectOs() === 'ios')
-{
+if (detectOs() === 'ios') {
     // Do something about ios...
 }
-```
-
-## each 
-
-Iterate over elements of collection and invokes iteratee for each element.
+```
+
+## each 
+
+Iterate over elements of collection and invokes iterator for each element.
 
 |Name    |Type        |Desc                          |
 |--------|------------|------------------------------|
 |obj     |object array|Collection to iterate over    |
-|iteratee|function    |Function invoked per iteration|
+|iterator|function    |Function invoked per iteration|
 |[ctx]   |*           |Function context              |
 
 ```javascript
 each({'a': 1, 'b': 2}, function (val, key) {});
-```
-
-## endWith 
-
+```
+
+## endWith 
+
 Check if string ends with the given target string.
 
 |Name  |Type   |Desc                           |
@@ -1106,10 +1092,10 @@ Check if string ends with the given target string.
 
 ```javascript
 endWith('ab', 'b'); // -> true
-```
-
-## escape 
-
+```
+
+## escape 
+
 Escapes a string for insertion into HTML, replacing &, <, >, ", `, and ' characters.
 
 |Name  |Type  |Desc            |
@@ -1118,11 +1104,11 @@ Escapes a string for insertion into HTML, replacing &, <, >, ", `, and ' charact
 |return|string|Escaped string  |
 
 ```javascript
-escape('You & Me'); -> // -> 'You &amp; Me'
-```
-
-## escapeJsStr 
-
+escape('You & Me'); // -> 'You &amp; Me'
+```
+
+## escapeJsStr 
+
 Escape string to be a valid JavaScript string literal between quotes.
 
 http://www.ecma-international.org/ecma-262/5.1/#sec-7.8.4
@@ -1134,14 +1120,14 @@ http://www.ecma-international.org/ecma-262/5.1/#sec-7.8.4
 
 ```javascript
 escapeJsStr('\"\n'); // -> '\\"\\\\n'
-```
-
-## escapeJsonStr 
-
-Escape json string.
-
-## escapeRegExp 
-
+```
+
+## escapeJsonStr 
+
+Escape json string.
+
+## escapeRegExp 
+
 Escape special chars to be used as literals in RegExp constructors.
 
 |Name  |Type  |Desc            |
@@ -1151,42 +1137,42 @@ Escape special chars to be used as literals in RegExp constructors.
 
 ```javascript
 escapeRegExp('[licia]'); // -> '\\[licia\\]'
-```
-
-## evalCss 
-
-Eval css.
-
-## extend 
-
+```
+
+## evalCss 
+
+Eval css.
+
+## extend 
+
 Copy all of the properties in the source objects over to the destination object.
 
-|Name  |Type  |Desc              |
-|------|------|------------------|
-|obj   |object|Destination object|
-|...src|object|Sources objects   |
-|return|object|Destination object|
+|Name       |Type  |Desc              |
+|-----------|------|------------------|
+|destination|object|Destination object|
+|...sources |object|Sources objects   |
+|return     |object|Destination object|
 
 ```javascript
 extend({name: 'RedHood'}, {age: 24}); // -> {name: 'RedHood', age: 24}
-```
-
-## extendOwn 
-
+```
+
+## extendOwn 
+
 Like extend, but only copies own properties over to the destination object.
 
-|Name  |Type  |Desc              |
-|------|------|------------------|
-|obj   |object|Destination object|
-|*src  |object|Sources objects   |
-|return|object|Destination object|
+|Name       |Type  |Desc              |
+|-----------|------|------------------|
+|destination|object|Destination object|
+|...sources |object|Sources objects   |
+|return     |object|Destination object|
 
 ```javascript
 extendOwn({name: 'RedHood'}, {age: 24}); // -> {name: 'RedHood', age: 24}
-```
-
-## fileSize 
-
+```
+
+## fileSize 
+
 Turn bytes into human readable file size.
 
 |Name  |Type  |Desc              |
@@ -1200,10 +1186,10 @@ fileSize(1500); // -> '1.46K'
 fileSize(1500000); // -> '1.43M'
 fileSize(1500000000); // -> '1.4G'
 fileSize(1500000000000); // -> '1.36T'
-```
-
-## filter 
-
+```
+
+## filter 
+
 Iterates over elements of collection, returning an array of all the values that pass a truth test.
 
 |Name     |Type    |Desc                                   |
@@ -1214,14 +1200,13 @@ Iterates over elements of collection, returning an array of all the values that
 |return   |array   |Array of all values that pass predicate|
 
 ```javascript
-filter([1, 2, 3, 4, 5], function (val)
-{
+filter([1, 2, 3, 4, 5], function (val) {
     return val % 2 === 0;
 }); // -> [2, 4]
-```
-
-## freeze 
-
+```
+
+## freeze 
+
 Shortcut for Object.freeze.
 
 Use Object.defineProperties if Object.freeze is not supported.
@@ -1236,22 +1221,22 @@ var a = {b: 1};
 freeze(a);
 a.b = 2;
 console.log(a); // -> {b: 1}
-```
-
-## fullUrl 
-
-Add origin to url if needed.
-
-## getFileName 
-
-Extract file name from url.
-
-## getObjType 
-
-Get object type.
-
-## has 
-
+```
+
+## fullUrl 
+
+Add origin to url if needed.
+
+## getFileName 
+
+Extract file name from url.
+
+## getObjType 
+
+Get object type.
+
+## has 
+
 Checks if key is a direct property.
 
 |Name  |Type   |Desc                            |
@@ -1262,10 +1247,10 @@ Checks if key is a direct property.
 
 ```javascript
 has({one: 1}, 'one'); // -> true
-```
-
-## identity 
-
+```
+
+## identity 
+
 Return the first argument given.
 
 |Name  |Type|Desc       |
@@ -1275,10 +1260,10 @@ Return the first argument given.
 
 ```javascript
 identity('a'); // -> 'a'
-```
-
-## idxOf 
-
+```
+
+## idxOf 
+
 Get the index at which the first occurrence of value.
 
 |Name     |Type  |Desc                |
@@ -1286,13 +1271,14 @@ Get the index at which the first occurrence of value.
 |arr      |array |Array to search     |
 |val      |*     |Value to search for |
 |fromIdx=0|number|Index to search from|
+|return   |number|Value index         |
 
 ```javascript
 idxOf([1, 2, 1, 2], 2, 2); // -> 3
-```
-
-## inherits 
-
+```
+
+## inherits 
+
 Inherit the prototype methods from one constructor into another.
 
 |Name      |Type    |Desc       |
@@ -1301,27 +1287,24 @@ Inherit the prototype methods from one constructor into another.
 |SuperClass|function|Super Class|
 
 ```javascript
-function People(name)
-{
+function People(name) {
     this._name = name;
 }
 People.prototype = {
-    getName: function ()
-    {
+    getName: function () {
         return this._name;
     }
 };
-function Student(name)
-{
+function Student(name) {
     this._name = name;
 }
 inherits(Student, People);
 var s = new Student('RedHood');
 s.getName(); // -> 'RedHood'
-```
-
-## isArgs 
-
+```
+
+## isArgs 
+
 Check if value is classified as an arguments object.
 
 |Name  |Type   |Desc                                |
@@ -1333,10 +1316,10 @@ Check if value is classified as an arguments object.
 (function () {
     isArgs(arguments); // -> true
 })();
-```
-
-## isArr 
-
+```
+
+## isArr 
+
 Check if value is an `Array` object.
 
 |Name  |Type   |Desc                              |
@@ -1347,10 +1330,10 @@ Check if value is an `Array` object.
 ```javascript
 isArr([]); // -> true
 isArr({}); // -> false
-```
-
-## isArrLike 
-
+```
+
+## isArrLike 
+
 Check if value is array-like.
 
 |Name  |Type   |Desc                       |
@@ -1358,16 +1341,16 @@ Check if value is array-like.
 |val   |*      |Value to check             |
 |return|boolean|True if value is array like|
 
-> Function returns false.
+Function returns false.
 
 ```javascript
 isArrLike('test'); // -> true
 isArrLike(document.body.children); // -> true;
 isArrLike([1, 2, 3]); // -> true
-```
-
-## isBool 
-
+```
+
+## isBool 
+
 Check if value is a boolean primitive.
 
 |Name  |Type   |Desc                      |
@@ -1379,22 +1362,22 @@ Check if value is a boolean primitive.
 isBool(true); // -> true
 isBool(false); // -> true
 isBool(1); // -> false
-```
-
-## isBrowser 
-
+```
+
+## isBrowser 
+
 Check if running in a browser.
 
 ```javascript
 console.log(isBrowser); // -> true if running in a browser
-```
-
-## isCrossOrig 
-
-Check if a url is cross origin.
-
-## isDate 
-
+```
+
+## isCrossOrig 
+
+Check if a url is cross origin.
+
+## isDate 
+
 Check if value is classified as a Date object.
 
 |Name  |Type   |Desc                          |
@@ -1404,10 +1387,10 @@ Check if value is classified as a Date object.
 
 ```javascript
 isDate(new Date()); // -> true
-```
-
-## isEl 
-
+```
+
+## isEl 
+
 Check if value is a DOM element.
 
 |Name  |Type   |Desc                          |
@@ -1417,10 +1400,10 @@ Check if value is a DOM element.
 
 ```javascript
 isEl(document.body); // -> true
-```
-
-## isEmpty 
-
+```
+
+## isEmpty 
+
 Check if value is an empty object or array.
 
 |Name  |Type   |Desc                  |
@@ -1432,10 +1415,10 @@ Check if value is an empty object or array.
 isEmpty([]); // -> true
 isEmpty({}); // -> true
 isEmpty(''); // -> true
-```
-
-## isErr 
-
+```
+
+## isErr 
+
 Check if value is an error.
 
 |Name  |Type   |Desc                     |
@@ -1445,14 +1428,14 @@ Check if value is an error.
 
 ```javascript
 isErr(new Error()); // -> true
-```
-
-## isErudaEl 
-
-See if an element is within eruda.
-
-## isFn 
-
+```
+
+## isErudaEl 
+
+See if an element is within eruda.
+
+## isFn 
+
 Check if value is a function.
 
 |Name  |Type   |Desc                       |
@@ -1465,10 +1448,10 @@ Generator function is also classified as true.
 ```javascript
 isFn(function() {}); // -> true
 isFn(function*() {}); // -> true
-```
-
-## isMatch 
-
+```
+
+## isMatch 
+
 Check if keys and values in src are contained in obj.
 
 |Name  |Type   |Desc                              |
@@ -1479,31 +1462,31 @@ Check if keys and values in src are contained in obj.
 
 ```javascript
 isMatch({a: 1, b: 2}, {a: 1}); // -> true
-```
-
-## isMiniProgram 
-
+```
+
+## isMiniProgram 
+
 Check if running in wechat mini program.
 
 ```javascript
 console.log(isMiniProgram); // -> true if running in mini program.
-```
-
-## isMobile 
-
+```
+
+## isMobile 
+
 Check whether client is using a mobile browser using ua.
 
-|Name                    |Type   |Desc                                 |
-|------------------------|-------|-------------------------------------|
-|[ua=navigator.userAgent]|string |User agent                           |
-|return                  |boolean|True if ua belongs to mobile browsers|
+|Name                  |Type   |Desc                                 |
+|----------------------|-------|-------------------------------------|
+|ua=navigator.userAgent|string |User agent                           |
+|return                |boolean|True if ua belongs to mobile browsers|
 
 ```javascript
 isMobile(navigator.userAgent);
-```
-
-## isNaN 
-
+```
+
+## isNaN 
+
 Check if value is an NaN.
 
 |Name  |Type   |Desc                   |
@@ -1516,10 +1499,10 @@ Undefined is not an NaN, different from global isNaN function.
 ```javascript
 isNaN(0); // -> false
 isNaN(NaN); // -> true
-```
-
-## isNative 
-
+```
+
+## isNative 
+
 Check if value is a native function.
 
 |Name  |Type   |Desc                              |
@@ -1530,10 +1513,10 @@ Check if value is a native function.
 ```javascript
 isNative(function () {}); // -> false
 isNative(Math.min); // -> true
-```
-
-## isNil 
-
+```
+
+## isNil 
+
 Check if value is null or undefined, the same as value == null.
 
 |Name  |Type   |Desc                              |
@@ -1548,10 +1531,10 @@ isNil(undefined); // -> true
 isNil(false); // -> false
 isNil(0); // -> false
 isNil([]); // -> false
-```
-
-## isNull 
-
+```
+
+## isNull 
+
 Check if value is an Null.
 
 |Name  |Type   |Desc                    |
@@ -1561,10 +1544,10 @@ Check if value is an Null.
 
 ```javascript
 isNull(null); // -> true
-```
-
-## isNum 
-
+```
+
+## isNum 
+
 Check if value is classified as a Number primitive or object.
 
 |Name  |Type   |Desc                                 |
@@ -1576,10 +1559,10 @@ Check if value is classified as a Number primitive or object.
 isNum(5); // -> true
 isNum(5.1); // -> true
 isNum({}); // -> false
-```
-
-## isObj 
-
+```
+
+## isObj 
+
 Check if value is the language type of Object.
 
 |Name  |Type   |Desc                      |
@@ -1592,10 +1575,10 @@ Check if value is the language type of Object.
 ```javascript
 isObj({}); // -> true
 isObj([]); // -> true
-```
-
-## isRegExp 
-
+```
+
+## isRegExp 
+
 Check if value is a regular expression.
 
 |Name  |Type   |Desc                                 |
@@ -1605,10 +1588,10 @@ Check if value is a regular expression.
 
 ```javascript
 isRegExp(/a/); // -> true
-```
-
-## isStr 
-
+```
+
+## isStr 
+
 Check if value is a string primitive.
 
 |Name  |Type   |Desc                               |
@@ -1618,10 +1601,10 @@ Check if value is a string primitive.
 
 ```javascript
 isStr('licia'); // -> true
-```
-
-## isUndef 
-
+```
+
+## isUndef 
+
 Check if value is undefined.
 
 |Name  |Type   |Desc                      |
@@ -1632,10 +1615,10 @@ Check if value is undefined.
 ```javascript
 isUndef(void 0); // -> true
 isUndef(null); // -> false
-```
-
-## kebabCase 
-
+```
+
+## kebabCase 
+
 Convert string to "kebabCase".
 
 |Name  |Type  |Desc              |
@@ -1648,10 +1631,10 @@ kebabCase('fooBar'); // -> foo-bar
 kebabCase('foo bar'); // -> foo-bar
 kebabCase('foo_bar'); // -> foo-bar
 kebabCase('foo.bar'); // -> foo-bar
-```
-
-## keys 
-
+```
+
+## keys 
+
 Create an array of the own enumerable property names of object.
 
 |Name  |Type  |Desc                   |
@@ -1661,10 +1644,10 @@ Create an array of the own enumerable property names of object.
 
 ```javascript
 keys({a: 1}); // -> ['a']
-```
-
-## last 
-
+```
+
+## last 
+
 Get the last element of array.
 
 |Name  |Type |Desc                     |
@@ -1674,10 +1657,10 @@ Get the last element of array.
 
 ```javascript
 last([1, 2]); // -> 2
-```
-
-## loadJs 
-
+```
+
+## loadJs 
+
 Inject script tag into page with given src value.
 
 |Name|Type    |Desc           |
@@ -1686,14 +1669,13 @@ Inject script tag into page with given src value.
 |cb  |function|Onload callback|
 
 ```javascript
-loadJs('main.js', function (isLoaded)
-{
+loadJs('main.js', function (isLoaded) {
     // Do something...
 });
-```
-
-## lpad 
-
+```
+
+## lpad 
+
 Pad string on the left side if it's shorter than length.
 
 |Name   |Type  |Desc                  |
@@ -1708,56 +1690,56 @@ lpad('a', 5); // -> '    a'
 lpad('a', 5, '-'); // -> '----a'
 lpad('abc', 3, '-'); // -> 'abc'
 lpad('abc', 5, 'ab'); // -> 'ababc'
-```
-
-## ltrim 
-
+```
+
+## ltrim 
+
 Remove chars or white-spaces from beginning of string.
 
-|Name  |Type        |Desc              |
-|------|------------|------------------|
-|str   |string      |String to trim    |
-|chars |string array|Characters to trim|
-|return|string      |Trimmed string    |
+|Name   |Type        |Desc              |
+|-------|------------|------------------|
+|str    |string      |String to trim    |
+|[chars]|string array|Characters to trim|
+|return |string      |Trimmed string    |
 
 ```javascript
 ltrim(' abc  '); // -> 'abc  '
 ltrim('_abc_', '_'); // -> 'abc_'
 ltrim('_abc_', ['a', '_']); // -> 'bc_'
-```
-
-## map 
-
+```
+
+## map 
+
 Create an array of values by running each element in collection through iteratee.
 
-|Name    |Type        |Desc                          |
-|--------|------------|------------------------------|
-|obj     |array object|Collection to iterate over    |
-|iteratee|function    |Function invoked per iteration|
-|[ctx]   |*           |Function context              |
-|return  |array       |New mapped array              |
+|Name     |Type        |Desc                          |
+|---------|------------|------------------------------|
+|object   |array object|Collection to iterate over    |
+|iterator |function    |Function invoked per iteration|
+|[context]|*           |Function context              |
+|return   |array       |New mapped array              |
 
 ```javascript
 map([4, 8], function (n) { return n * n; }); // -> [16, 64]
-```
-
-## mapObj 
-
+```
+
+## mapObj 
+
 Map for objects.
 
-|Name    |Type    |Desc                          |
-|--------|--------|------------------------------|
-|obj     |object  |Object to iterate over        |
-|iteratee|function|Function invoked per iteration|
-|[ctx]   |*       |Function context              |
-|return  |object  |New mapped object             |
+|Name     |Type    |Desc                          |
+|---------|--------|------------------------------|
+|object   |object  |Object to iterate over        |
+|iterator |function|Function invoked per iteration|
+|[context]|*       |Function context              |
+|return   |object  |New mapped object             |
 
 ```javascript
 mapObj({a: 1, b: 2}, function (val, key) { return val + 1 }); // -> {a: 2, b: 3}
-```
-
-## matcher 
-
+```
+
+## matcher 
+
 Return a predicate function that checks if attrs are contained in an object.
 
 |Name  |Type    |Desc                              |
@@ -1766,15 +1748,15 @@ Return a predicate function that checks if attrs are contained in an object.
 |return|function|New predicate function            |
 
 ```javascript
-var objects = [
+const objects = [
     {a: 1, b: 2, c: 3 },
     {a: 4, b: 5, c: 6 }
 ];
-filter(objects, matcher({a: 4, c: 6 })); // -> [{a: 4, b: 5, c: 6 }]
-```
-
-## memStorage 
-
+// filter(objects, matcher({a: 4, c: 6 }));
+```
+
+## memStorage 
+
 Memory-backed implementation of the Web Storage API.
 
 A replacement for environments where localStorage or sessionStorage is not available.
@@ -1782,10 +1764,10 @@ A replacement for environments where localStorage or sessionStorage is not avail
 ```javascript
 var localStorage = window.localStorage || memStorage;
 localStorage.setItem('test', 'licia');
-```
-
-## memoize 
-
+```
+
+## memoize 
+
 Memoize a given function by caching the computed result.
 
 |Name    |Type    |Desc                                |
@@ -1795,14 +1777,13 @@ Memoize a given function by caching the computed result.
 |return  |function|New memoized function               |
 
 ```javascript
-var fibonacci = memoize(function(n)
-{
+var fibonacci = memoize(function(n) {
     return n < 2 ? n : fibonacci(n - 1) + fibonacci(n - 2);
 });
-```
-
-## meta 
-
+```
+
+## meta 
+
 Document meta manipulation, turn name and content into key value pairs.
 
 Get meta content with given name. If name is omitted, all pairs will be return.
@@ -1844,10 +1825,10 @@ meta({
 });
 meta.remove('d');
 meta.remove(['e', 'f']);
-```
-
-## ms 
-
+```
+
+## ms 
+
 Convert time string formats to milliseconds.
 
 Turn time string into milliseconds.
@@ -1873,10 +1854,10 @@ ms('1y'); // -> 31557600000
 ms('1000'); // -> 1000
 ms(1500); // -> '1.5s'
 ms(60000); // -> '1m'
-```
-
-## nextTick 
-
+```
+
+## nextTick 
+
 Next tick for both node and browser.
 
 |Name|Type    |Desc            |
@@ -1888,43 +1869,42 @@ Use process.nextTick if available.
 Otherwise setImmediate or setTimeout is used as fallback.
 
 ```javascript
-nextTick(function ()
-{
+nextTick(function () {
     // Do something...
 });
-```
-
-## noop 
-
+```
+
+## noop 
+
 A no-operation function.
 
 ```javascript
 noop(); // Does nothing
-```
-
-## now 
-
+```
+
+## now 
+
 Gets the number of milliseconds that have elapsed since the Unix epoch.
 
 ```javascript
 now(); // -> 1468826678701
-```
-
-## objToStr 
-
+```
+
+## objToStr 
+
 Alias of Object.prototype.toString.
 
 |Name  |Type  |Desc                                |
 |------|------|------------------------------------|
-|value |*     |Source value                        |
+|val   |*     |Source value                        |
 |return|string|String representation of given value|
 
 ```javascript
 objToStr(5); // -> '[object Number]'
-```
-
-## once 
-
+```
+
+## once 
+
 Create a function that invokes once.
 
 |Name  |Type    |Desc                   |
@@ -1937,14 +1917,14 @@ function init() {};
 var initOnce = once(init);
 initOnce();
 initOnce(); // -> init is invoked once
-```
-
-## optimizeCb 
-
-Used for function context binding.
-
-## orientation 
-
+```
+
+## optimizeCb 
+
+Used for function context binding.
+
+## orientation 
+
 Screen orientation helper.
 
 ### on
@@ -1960,15 +1940,14 @@ Unbind change event.
 Get current orientation(landscape or portrait).
 
 ```javascript
-orientation.on('change', function (direction)
-{
+orientation.on('change', function (direction) {
     console.log(direction); // -> 'portrait'
 });
 orientation.get(); // -> 'landscape'
-```
-
-## partial 
-
+```
+
+## partial 
+
 Partially apply a function by filling in given arguments.
 
 |Name       |Type    |Desc                                    |
@@ -1979,11 +1958,11 @@ Partially apply a function by filling in given arguments.
 
 ```javascript
 var sub5 = partial(function (a, b) { return b - a }, 5);
-sub(20); // -> 15
-```
-
-## perfNow 
-
+sub5(20); // -> 15
+```
+
+## perfNow 
+
 High resolution time up to microsecond precision.
 
 ```javascript
@@ -1992,10 +1971,10 @@ var start = perfNow();
 // Do something.
 
 console.log(perfNow() - start);
-```
-
-## prefix 
-
+```
+
+## prefix 
+
 Add vendor prefixes to a CSS attribute.
 
 |Name  |Type  |Desc                  |
@@ -2011,14 +1990,14 @@ Create a dasherize version.
 prefix('text-emphasis'); // -> 'WebkitTextEmphasis'
 prefix.dash('text-emphasis'); // -> '-webkit-text-emphasis'
 prefix('color'); // -> 'color'
-```
-
-## pxToNum 
-
-Turn string like '0px' to number.
-
-## query 
-
+```
+
+## pxToNum 
+
+Turn string like '0px' to number.
+
+## query 
+
 Parse and stringify url query strings.
 
 ### parse
@@ -2043,10 +2022,10 @@ Stringify an object into a query string.
 query.parse('foo=bar&eruda=true'); // -> {foo: 'bar', eruda: 'true'}
 query.stringify({foo: 'bar', eruda: 'true'}); // -> 'foo=bar&eruda=true'
 query.parse('name=eruda&name=eustia'); // -> {name: ['eruda', 'eustia']}
-```
-
-## repeat 
-
+```
+
+## repeat 
+
 Repeat string n-times.
 
 |Name  |Type  |Desc            |
@@ -2059,25 +2038,25 @@ Repeat string n-times.
 repeat('a', 3); // -> 'aaa'
 repeat('ab', 2); // -> 'abab'
 repeat('*', 0); // -> ''
-```
-
-## restArgs 
-
+```
+
+## restArgs 
+
 This accumulates the arguments passed into an array, after a given index.
 
-|Name      |Type    |Desc                                   |
-|----------|--------|---------------------------------------|
-|function  |function|Function that needs rest parameters    |
-|startIndex|number  |The start index to accumulates         |
-|return    |function|Generated function with rest parameters|
+|Name        |Type    |Desc                                   |
+|------------|--------|---------------------------------------|
+|function    |function|Function that needs rest parameters    |
+|[startIndex]|number  |The start index to accumulates         |
+|return      |function|Generated function with rest parameters|
 
 ```javascript
 var paramArr = restArgs(function (rest) { return rest });
 paramArr(1, 2, 3, 4); // -> [1, 2, 3, 4]
-```
-
-## rmCookie 
-
+```
+
+## rmCookie 
+
 Loop through all possible path and domain to remove cookie.
 
 |Name|Type  |Desc      |
@@ -2086,34 +2065,34 @@ Loop through all possible path and domain to remove cookie.
 
 ```javascript
 rmCookie('test');
-```
-
-## root 
-
-Root object reference, `global` in nodeJs, `window` in browser.
-
-## rtrim 
-
+```
+
+## root 
+
+Root object reference, `global` in nodeJs, `window` in browser.
+
+## rtrim 
+
 Remove chars or white-spaces from end of string.
 
-|Name  |Type        |Desc              |
-|------|------------|------------------|
-|str   |string      |String to trim    |
-|chars |string array|Characters to trim|
-|return|string      |Trimmed string    |
+|Name   |Type        |Desc              |
+|-------|------------|------------------|
+|str    |string      |String to trim    |
+|[chars]|string array|Characters to trim|
+|return |string      |Trimmed string    |
 
 ```javascript
 rtrim(' abc  '); // -> ' abc'
 rtrim('_abc_', '_'); // -> '_abc'
 rtrim('_abc_', ['c', '_']); // -> '_ab'
-```
-
-## safeCb 
-
-Create callback based on input value.
-
-## safeGet 
-
+```
+
+## safeCb 
+
+Create callback based on input value.
+
+## safeGet 
+
 Get object property, don't throw undefined error.
 
 |Name  |Type        |Desc                     |
@@ -2127,14 +2106,14 @@ var obj = {a: {aa: {aaa: 1}}};
 safeGet(obj, 'a.aa.aaa'); // -> 1
 safeGet(obj, ['a', 'aa']); // -> {aaa: 1}
 safeGet(obj, 'a.b'); // -> undefined
-```
-
-## safeStorage 
-
-Safe localStorage and sessionStorage.
-
-## slice 
-
+```
+
+## safeStorage 
+
+Safe localStorage and sessionStorage.
+
+## slice 
+
 Create slice of source array or array-like object.
 
 |Name              |Type  |Desc                      |
@@ -2145,10 +2124,10 @@ Create slice of source array or array-like object.
 
 ```javascript
 slice([1, 2, 3, 4], 1, 2); // -> [2]
-```
-
-## some 
-
+```
+
+## some 
+
 Check if predicate return truthy for any element.
 
 |Name     |Type        |Desc                                          |
@@ -2159,14 +2138,13 @@ Check if predicate return truthy for any element.
 |return   |boolean     |True if any element passes the predicate check|
 
 ```javascript
-some([2, 5], function (val)
-{
+some([2, 5], function (val) {
     return val % 2 === 0;
 }); // -> true
-```
-
-## splitCase 
-
+```
+
+## splitCase 
+
 Split different string case to an array.
 
 |Name  |Type  |Desc           |
@@ -2181,10 +2159,10 @@ splitCase('foo_bar'); // -> ['foo', 'bar']
 splitCase('foo.bar'); // -> ['foo', 'bar']
 splitCase('fooBar'); // -> ['foo', 'bar']
 splitCase('foo-Bar'); // -> ['foo', 'bar']
-```
-
-## startWith 
-
+```
+
+## startWith 
+
 Check if string starts with the given target string.
 
 |Name  |Type   |Desc                             |
@@ -2195,10 +2173,10 @@ Check if string starts with the given target string.
 
 ```javascript
 startWith('ab', 'a'); // -> true
-```
-
-## stringify 
-
+```
+
+## stringify 
+
 JSON stringify with support for circular object, function etc.
 
 Undefined is treated as null value.
@@ -2211,13 +2189,13 @@ Undefined is treated as null value.
 
 ```javascript
 stringify({a: function () {}}); // -> '{"a":"[Function function () {}]"}'
-var obj = {a: 1};
+var obj = {a: 1, b: {}};
 obj.b = obj;
 stringify(obj); // -> '{"a":1,"b":"[Circular ~]"}'
-```
-
-## stripHtmlTag 
-
+```
+
+## stripHtmlTag 
+
 Strip html tags from a string.
 
 |Name  |Type  |Desc           |
@@ -2227,10 +2205,10 @@ Strip html tags from a string.
 
 ```javascript
 stripHtmlTag('<p>Hello</p>'); // -> 'Hello'
-```
-
-## toArr 
-
+```
+
+## toArr 
+
 Convert value to an array.
 
 |Name  |Type |Desc            |
@@ -2243,10 +2221,10 @@ toArr({a: 1, b: 2}); // -> [{a: 1, b: 2}]
 toArr('abc'); // -> ['abc']
 toArr(1); // -> [1]
 toArr(null); // -> []
-```
-
-## toInt 
-
+```
+
+## toInt 
+
 Convert value to an integer.
 
 |Name  |Type  |Desc             |
@@ -2257,10 +2235,10 @@ Convert value to an integer.
 ```javascript
 toInt(1.1); // -> 1
 toInt(undefined); // -> 0
-```
-
-## toNum 
-
+```
+
+## toNum 
+
 Convert value to a number.
 
 |Name  |Type  |Desc            |
@@ -2270,10 +2248,10 @@ Convert value to a number.
 
 ```javascript
 toNum('5'); // -> 5
-```
-
-## toSrc 
-
+```
+
+## toSrc 
+
 Convert function to its source code.
 
 |Name  |Type    |Desc               |
@@ -2284,10 +2262,10 @@ Convert function to its source code.
 ```javascript
 toSrc(Math.min); // -> 'function min() { [native code] }'
 toSrc(function () {}) // -> 'function () { }'
-```
-
-## toStr 
-
+```
+
+## toStr 
+
 Convert value to a string.
 
 |Name  |Type  |Desc            |
@@ -2300,10 +2278,10 @@ toStr(null); // -> ''
 toStr(1); // -> '1'
 toStr(false); // -> 'false'
 toStr([1, 2, 3]); // -> '1,2,3'
-```
-
-## trim 
-
+```
+
+## trim 
+
 Remove chars or white-spaces from beginning end of string.
 
 |Name  |Type        |Desc              |
@@ -2316,10 +2294,10 @@ Remove chars or white-spaces from beginning end of string.
 trim(' abc  '); // -> 'abc'
 trim('_abc_', '_'); // -> 'abc'
 trim('_abc_', ['a', 'c', '_']); // -> 'b'
-```
-
-## tryIt 
-
+```
+
+## tryIt 
+
 Run function in a try catch.
 
 |Name|Type    |Desc                 |
@@ -2328,17 +2306,15 @@ Run function in a try catch.
 |[cb]|function|Callback             |
 
 ```javascript
-tryIt(function ()
-{
+tryIt(function () {
     // Do something that might cause an error.
-}, function (err, result)
-{
+}, function (err, result) {
     if (err) console.log(err);
 });
-```
-
-## type 
-
+```
+
+## type 
+
 Determine the internal JavaScript [[Class]] of an object.
 
 |Name  |Type  |Desc                      |
@@ -2351,10 +2327,14 @@ type(5); // -> 'number'
 type({}); // -> 'object'
 type(function () {}); // -> 'function'
 type([]); // -> 'array'
-```
-
-## ucs2 
-
+```
+
+## types 
+
+Used for typescript definitions only.
+
+## ucs2 
+
 UCS-2 encoding and decoding.
 
 ### encode
@@ -2380,23 +2360,23 @@ ucs2.encode([0x61, 0x62, 0x63]); // -> 'abc'
 ucs2.decode('abc'); // -> [0x61, 0x62, 0x63]
 '𝌆'.length; // -> 2
 ucs2.decode('𝌆').length; // -> 1
-```
-
-## uniqId 
-
+```
+
+## uniqId 
+
 Generate a globally-unique id.
 
-|Name  |Type  |Desc              |
-|------|------|------------------|
-|prefix|string|Id prefix         |
-|return|string|Globally-unique id|
+|Name    |Type  |Desc              |
+|--------|------|------------------|
+|[prefix]|string|Id prefix         |
+|return  |string|Globally-unique id|
 
 ```javascript
 uniqId('eusita_'); // -> 'eustia_xxx'
-```
-
-## unique 
-
+```
+
+## unique 
+
 Create duplicate-free version of an array.
 
 |Name     |Type    |Desc                         |
@@ -2407,10 +2387,10 @@ Create duplicate-free version of an array.
 
 ```javascript
 unique([1, 2, 3, 1]); // -> [1, 2, 3]
-```
-
-## upperFirst 
-
+```
+
+## upperFirst 
+
 Convert the first character of string to upper case.
 
 |Name  |Type  |Desc             |
@@ -2420,10 +2400,10 @@ Convert the first character of string to upper case.
 
 ```javascript
 upperFirst('red'); // -> Red
-```
-
-## utf8 
-
+```
+
+## utf8 
+
 UTF-8 encoding and decoding.
 
 ### encode
@@ -2437,21 +2417,21 @@ Turn any UTF-8 decoded string into UTF-8 encoded string.
 
 ### decode
 
-|Name        |Type   |Desc                  |
-|------------|-------|----------------------|
-|str         |string |String to decode      |
-|[safe=false]|boolean|Suppress error if true|
-|return      |string |Decoded string        |
-
 Turn any UTF-8 encoded string into UTF-8 decoded string.
 
+|Name      |Type   |Desc                  |
+|----------|-------|----------------------|
+|str       |string |String to decode      |
+|safe=false|boolean|Suppress error if true|
+|return    |string |Decoded string        |
+
 ```javascript
 utf8.encode('\uD800\uDC00'); // ->  '\xF0\x90\x80\x80'
 utf8.decode('\xF0\x90\x80\x80'); // -> '\uD800\uDC00'
-```
-
-## values 
-
+```
+
+## values 
+
 Create an array of the own enumerable property values of object.
 
 |Name  |Type  |Desc                    |
@@ -2461,30 +2441,29 @@ Create an array of the own enumerable property values of object.
 
 ```javascript
 values({one: 1, two: 2}); // -> [1, 2]
-```
-
-## viewportScale 
-
+```
+
+## viewportScale 
+
 Get viewport scale.
 
 ```javascript
 viewportScale(); // -> 3
-```
-
-## wrap 
-
+```
+
+## wrap 
+
 Wrap the function inside a wrapper function, passing it as the first argument.
 
 |Name   |Type    |Desc            |
 |-------|--------|----------------|
-|fn     |*       |Function to wrap|
+|fn     |function|Function to wrap|
 |wrapper|function|Wrapper function|
 |return |function|New function    |
 
 ```javascript
-var p = wrap(escape, function(fn, text)
-{
+var p = wrap(escape, function(fn, text) {
     return '<p>' + fn(text) + '</p>';
 });
 p('You & Me'); // -> '<p>You &amp; Me</p>'
-```
+```
diff --git a/script/util.js b/script/util.js
index d48fe98..634c7df 100644
--- a/script/util.js
+++ b/script/util.js
@@ -1,11 +1,48 @@
 // Built by eustia.
+/* eslint-disable */
 "use strict";
 
 var _ = {};
 
+/* ------------------------------ types ------------------------------ */
+
+var types = _.types = (function (exports) {
+    /* Used for typescript definitions only.
+     */
+
+    /* typescript
+     * export declare namespace types {
+     *     interface Collection<T> {}
+     *     interface List<T> extends Collection<T> {
+     *         [index: number]: T;
+     *         length: number;
+     *     }
+     *     interface ListIterator<T, TResult> {
+     *         (value: T, index: number, list: List<T>): TResult;
+     *     }
+     *     interface Dictionary<T> extends Collection<T> {
+     *         [index: string]: T;
+     *     }
+     *     interface ObjectIterator<T, TResult> {
+     *         (element: T, key: string, list: Dictionary<T>): TResult;
+     *     }
+     *     interface MemoIterator<T, TResult> {
+     *         (prev: TResult, curr: T, index: number, list: List<T>): TResult;
+     *     }
+     *     interface MemoObjectIterator<T, TResult> {
+     *         (prev: TResult, curr: T, key: string, list: Dictionary<T>): TResult;
+     *     }
+     * }
+     * export declare const types: {}
+     */
+    exports = {};
+
+    return exports;
+})({});
+
 /* ------------------------------ has ------------------------------ */
 
-var has = _.has = (function () {
+var has = _.has = (function (exports) {
     /* Checks if key is a direct property.
      *
      * |Name  |Type   |Desc                            |
@@ -13,44 +50,60 @@ var has = _.has = (function () {
      * |obj   |object |Object to query                 |
      * |key   |string |Path to check                   |
      * |return|boolean|True if key is a direct property|
-     *
-     * ```javascript
+     */
+
+    /* example
      * has({one: 1}, 'one'); // -> true
-     * ```
      */
 
-    /* module
-     * env: all
-     * test: all
+    /* typescript
+     * export declare function has(obj: {}, key: string): boolean;
      */
-
     var hasOwnProp = Object.prototype.hasOwnProperty;
 
-    function exports(obj, key) {
+    exports = function exports(obj, key) {
         return hasOwnProp.call(obj, key);
-    }
+    };
 
     return exports;
-})();
+})({});
 
 /* ------------------------------ isBrowser ------------------------------ */
 
 var isBrowser = _.isBrowser = (function (exports) {
+    function _typeof(obj) {
+        if (typeof Symbol === 'function' && typeof Symbol.iterator === 'symbol') {
+            _typeof = function _typeof(obj) {
+                return typeof obj;
+            };
+        } else {
+            _typeof = function _typeof(obj) {
+                return obj &&
+                    typeof Symbol === 'function' &&
+                    obj.constructor === Symbol &&
+                    obj !== Symbol.prototype
+                    ? 'symbol'
+                    : typeof obj;
+            };
+        }
+        return _typeof(obj);
+    }
+
     /* Check if running in a browser.
-     *
-     * ```javascript
+     */
+
+    /* example
      * console.log(isBrowser); // -> true if running in a browser
-     * ```
      */
 
-    /* module
-     * env: all
-     * test: all
+    /* typescript
+     * export declare const isBrowser: boolean;
      */
-
     exports =
-        typeof window === 'object' &&
-        typeof document === 'object' &&
+        (typeof window === 'undefined' ? 'undefined' : _typeof(window)) ===
+            'object' &&
+        (typeof document === 'undefined' ? 'undefined' : _typeof(document)) ===
+            'object' &&
         document.nodeType === 9;
 
     return exports;
@@ -61,9 +114,8 @@ var isBrowser = _.isBrowser = (function (exports) {
 var root = _.root = (function (exports) {
     /* Root object reference, `global` in nodeJs, `window` in browser. */
 
-    /* module
-     * env: all
-     * test: all
+    /* typescript
+     * export declare const root: any;
      */
 
     /* dependencies
@@ -77,37 +129,35 @@ var root = _.root = (function (exports) {
 
 /* ------------------------------ detectMocha ------------------------------ */
 
-var detectMocha = _.detectMocha = (function () {
+var detectMocha = _.detectMocha = (function (exports) {
     /* Detect if mocha is running.
-     *
-     * ```javascript
-     * detectMocha(); // -> True if mocha is running.
-     * ```
      */
 
-    /* module
-     * env: all
-     * test: all
+    /* example
+     * detectMocha(); // -> True if mocha is running.
+     */
+
+    /* typescript
+     * export declare function detectMocha(): boolean;
      */
 
     /* dependencies
      * root 
      */
 
-    function exports() {
+    exports = function exports() {
         for (var i = 0, len = methods.length; i < len; i++) {
             var method = methods[i];
-
             if (typeof root[method] !== 'function') return false;
         }
 
         return true;
-    }
+    };
 
     var methods = ['afterEach', 'after', 'beforeEach', 'before', 'describe', 'it'];
 
     return exports;
-})();
+})({});
 
 /* ------------------------------ keys ------------------------------ */
 
@@ -118,15 +168,14 @@ var keys = _.keys = (function (exports) {
      * |------|------|-----------------------|
      * |obj   |object|Object to query        |
      * |return|array |Array of property names|
-     * 
-     * ```javascript
-     * keys({a: 1}); // -> ['a']
-     * ```
      */
 
-    /* module
-     * env: all
-     * test: all
+    /* example
+     * keys({a: 1}); // -> ['a']
+     */
+
+    /* typescript
+     * export declare function keys(obj: any): string[];
      */
 
     /* dependencies
@@ -136,7 +185,7 @@ var keys = _.keys = (function (exports) {
     if (Object.keys && !detectMocha()) {
         exports = Object.keys;
     } else {
-        exports = function(obj) {
+        exports = function exports(obj) {
             var ret = [],
                 key;
 
@@ -153,36 +202,34 @@ var keys = _.keys = (function (exports) {
 
 /* ------------------------------ objToStr ------------------------------ */
 
-var objToStr = _.objToStr = (function () {
+var objToStr = _.objToStr = (function (exports) {
     /* Alias of Object.prototype.toString.
      *
      * |Name  |Type  |Desc                                |
      * |------|------|------------------------------------|
-     * |value |*     |Source value                        |
+     * |val   |*     |Source value                        |
      * |return|string|String representation of given value|
-     * 
-     * ```javascript
+     */
+
+    /* example
      * objToStr(5); // -> '[object Number]'
-     * ```
      */
 
-    /* module
-     * env: all
-     * test: all
+    /* typescript
+     * export declare function objToStr(val: any): string;
      */
-
     var ObjToStr = Object.prototype.toString;
 
-    function exports(val) {
+    exports = function exports(val) {
         return ObjToStr.call(val);
-    }
+    };
 
     return exports;
-})();
+})({});
 
 /* ------------------------------ isFn ------------------------------ */
 
-var isFn = _.isFn = (function () {
+var isFn = _.isFn = (function (exports) {
     /* Check if value is a function.
      *
      * |Name  |Type   |Desc                       |
@@ -191,70 +238,67 @@ var isFn = _.isFn = (function () {
      * |return|boolean|True if value is a function|
      *
      * Generator function is also classified as true.
-     *
-     * ```javascript
-     * isFn(function() {}); // -> true
-     * isFn(function*() {}); // -> true
-     * ```
      */
 
-    /* module
-     * env: all
-     * test: all
+    /* example
+     * isFn(function() {}); // -> true
+     * isFn(function*() {}); // -> true
+     */
+
+    /* typescript
+     * export declare function isFn(val: any): boolean;
      */
 
     /* dependencies
      * objToStr 
      */
 
-    function exports(val) {
+    exports = function exports(val) {
         var objStr = objToStr(val);
-
         return (
             objStr === '[object Function]' ||
             objStr === '[object GeneratorFunction]'
         );
-    }
+    };
 
     return exports;
-})();
+})({});
 
 /* ------------------------------ isNum ------------------------------ */
 
-var isNum = _.isNum = (function () {
+var isNum = _.isNum = (function (exports) {
     /* Check if value is classified as a Number primitive or object.
      *
      * |Name  |Type   |Desc                                 |
      * |------|-------|-------------------------------------|
      * |val   |*      |Value to check                       |
      * |return|boolean|True if value is correctly classified|
-     * 
-     * ```javascript
+     */
+
+    /* example
      * isNum(5); // -> true
      * isNum(5.1); // -> true
      * isNum({}); // -> false
-     * ```
      */
 
-    /* module
-     * env: all
-     * test: all
+    /* typescript
+     * export declare function isNum(val: any): boolean;
      */
 
     /* dependencies
      * objToStr 
      */
 
-    function exports(val) {
+    exports = function exports(val) {
         return objToStr(val) === '[object Number]';
-    }
+    };
 
     return exports;
-})();
+})({});
 
 /* ------------------------------ isArrLike ------------------------------ */
 
-var isArrLike = _.isArrLike = (function () {
+var isArrLike = _.isArrLike = (function (exports) {
     /* Check if value is array-like.
      *
      * |Name  |Type   |Desc                       |
@@ -262,18 +306,17 @@ var isArrLike = _.isArrLike = (function () {
      * |val   |*      |Value to check             |
      * |return|boolean|True if value is array like|
      *
-     * > Function returns false.
-     *
-     * ```javascript
+     * Function returns false.
+     */
+
+    /* example
      * isArrLike('test'); // -> true
      * isArrLike(document.body.children); // -> true;
      * isArrLike([1, 2, 3]); // -> true
-     * ```
      */
 
-    /* module
-     * env: all
-     * test: all
+    /* typescript
+     * export declare function isArrLike(val: any): boolean;
      */
 
     /* dependencies
@@ -282,61 +325,56 @@ var isArrLike = _.isArrLike = (function () {
 
     var MAX_ARR_IDX = Math.pow(2, 53) - 1;
 
-    function exports(val) {
+    exports = function exports(val) {
         if (!val) return false;
-
         var len = val.length;
-
         return isNum(len) && len >= 0 && len <= MAX_ARR_IDX && !isFn(val);
-    }
+    };
 
     return exports;
-})();
+})({});
 
 /* ------------------------------ isUndef ------------------------------ */
 
-var isUndef = _.isUndef = (function () {
+var isUndef = _.isUndef = (function (exports) {
     /* Check if value is undefined.
      *
      * |Name  |Type   |Desc                      |
      * |------|-------|--------------------------|
      * |val   |*      |Value to check            |
      * |return|boolean|True if value is undefined|
-     *
-     * ```javascript
+     */
+
+    /* example
      * isUndef(void 0); // -> true
      * isUndef(null); // -> false
-     * ```
      */
 
-    /* module
-     * env: all
-     * test: all
+    /* typescript
+     * export declare function isUndef(val: any): boolean;
      */
-
-    function exports(val) {
+    exports = function exports(val) {
         return val === void 0;
-    }
+    };
 
     return exports;
-})();
+})({});
 
 /* ------------------------------ optimizeCb ------------------------------ */
 
-var optimizeCb = _.optimizeCb = (function () {
+var optimizeCb = _.optimizeCb = (function (exports) {
     /* Used for function context binding.
      */
 
-    /* module
-     * env: all
-     * test: all
+    /* typescript
+     * export declare function optimizeCb(fn: Function, ctx: any, argCount?: number): Function;
      */
 
     /* dependencies
      * isUndef 
      */
 
-    function exports(fn, ctx, argCount) {
+    exports = function exports(fn, ctx, argCount) {
         if (isUndef(ctx)) return fn;
 
         switch (argCount == null ? 3 : argCount) {
@@ -344,10 +382,12 @@ var optimizeCb = _.optimizeCb = (function () {
                 return function(val) {
                     return fn.call(ctx, val);
                 };
+
             case 3:
                 return function(val, idx, collection) {
                     return fn.call(ctx, val, idx, collection);
                 };
+
             case 4:
                 return function(accumulator, val, idx, collection) {
                     return fn.call(ctx, accumulator, val, idx, collection);
@@ -357,98 +397,105 @@ var optimizeCb = _.optimizeCb = (function () {
         return function() {
             return fn.apply(ctx, arguments);
         };
-    }
+    };
 
     return exports;
-})();
+})({});
 
 /* ------------------------------ each ------------------------------ */
 
-var each = _.each = (function () {
-    /* Iterate over elements of collection and invokes iteratee for each element.
+var each = _.each = (function (exports) {
+    /* Iterate over elements of collection and invokes iterator for each element.
      *
      * |Name    |Type        |Desc                          |
      * |--------|------------|------------------------------|
      * |obj     |object array|Collection to iterate over    |
-     * |iteratee|function    |Function invoked per iteration|
+     * |iterator|function    |Function invoked per iteration|
      * |[ctx]   |*           |Function context              |
-     *
-     * ```javascript
-     * each({'a': 1, 'b': 2}, function (val, key) {});
-     * ```
      */
 
-    /* module
-     * env: all
-     * test: all
+    /* example
+     * each({'a': 1, 'b': 2}, function (val, key) {});
+     */
+
+    /* typescript
+     * export declare function each<T>(
+     *     list: types.List<T>,
+     *     iterator: types.ListIterator<T, void>,
+     *     ctx?: any
+     * ): types.List<T>;
+     * export declare function each<T>(
+     *     object: types.Dictionary<T>,
+     *     iterator: types.ObjectIterator<T, void>,
+     *     ctx?: any
+     * ): types.Collection<T>;
      */
 
     /* dependencies
-     * isArrLike keys optimizeCb 
+     * isArrLike keys optimizeCb types 
      */
 
-    function exports(obj, iteratee, ctx) {
-        iteratee = optimizeCb(iteratee, ctx);
-
+    exports = function exports(obj, iterator, ctx) {
+        iterator = optimizeCb(iterator, ctx);
         var i, len;
 
         if (isArrLike(obj)) {
-            for (i = 0, len = obj.length; i < len; i++) iteratee(obj[i], i, obj);
+            for (i = 0, len = obj.length; i < len; i++) {
+                iterator(obj[i], i, obj);
+            }
         } else {
             var _keys = keys(obj);
+
             for (i = 0, len = _keys.length; i < len; i++) {
-                iteratee(obj[_keys[i]], _keys[i], obj);
+                iterator(obj[_keys[i]], _keys[i], obj);
             }
         }
 
         return obj;
-    }
+    };
 
     return exports;
-})();
+})({});
 
 /* ------------------------------ noop ------------------------------ */
 
-var noop = _.noop = (function () {
+var noop = _.noop = (function (exports) {
     /* A no-operation function.
-     *
-     * ```javascript
+     */
+
+    /* example
      * noop(); // Does nothing
-     * ```
      */
 
-    /* module
-     * env: all
-     * test: all
+    /* typescript
+     * export declare function noop(): void;
      */
-
-    function exports() {}
+    exports = function exports() {};
 
     return exports;
-})();
+})({});
 
 /* ------------------------------ mkdir ------------------------------ */
-_.mkdir = (function () {
+_.mkdir = (function (exports) {
     /* Recursively create directories.
      *
-     * |Name       |Type    |Desc               |
-     * |-----------|--------|-------------------|
-     * |dir        |string  |Directory to create|
-     * |[mode=0777]|number  |Directory mode     |
-     * |callback   |function|Callback           |
-     *
-     * ```javascript
-     * mkdir('/tmp/foo/bar/baz', function (err)
-     * {
+     * |Name      |Type    |Desc               |
+     * |----------|--------|-------------------|
+     * |dir       |string  |Directory to create|
+     * |mode=0777 |number  |Directory mode     |
+     * |[callback]|function|Callback           |
+     */
+
+    /* example
+     * mkdir('/tmp/foo/bar/baz', function (err) {
      *     if (err) console.log(err);
      *     else console.log('Done');
      * });
-     * ```
      */
 
-    /* module
-     * env: node
-     * test: node
+    /* typescript
+     * export declare function mkdir(dir: string, mode?: number, cb?: Function): void;
+     * export declare function mkdir(dir: string, cb?: Function): void;
      */
 
     /* dependencies
@@ -460,7 +507,7 @@ _.mkdir = (function () {
 
     var _0777 = parseInt('0777', 8);
 
-    function exports(p, mode, cb) {
+    exports = function(p, mode, cb) {
         if (isFn(mode)) {
             cb = mode;
             mode = _0777;
@@ -487,14 +534,32 @@ _.mkdir = (function () {
                     });
             }
         });
-    }
+    };
 
     return exports;
-})();
+})({});
 
 /* ------------------------------ nextTick ------------------------------ */
 
 var nextTick = _.nextTick = (function (exports) {
+    function _typeof(obj) {
+        if (typeof Symbol === 'function' && typeof Symbol.iterator === 'symbol') {
+            _typeof = function _typeof(obj) {
+                return typeof obj;
+            };
+        } else {
+            _typeof = function _typeof(obj) {
+                return obj &&
+                    typeof Symbol === 'function' &&
+                    obj.constructor === Symbol &&
+                    obj !== Symbol.prototype
+                    ? 'symbol'
+                    : typeof obj;
+            };
+        }
+        return _typeof(obj);
+    }
+
     /* Next tick for both node and browser.
      *
      * |Name|Type    |Desc            |
@@ -504,28 +569,29 @@ var nextTick = _.nextTick = (function (exports) {
      * Use process.nextTick if available.
      *
      * Otherwise setImmediate or setTimeout is used as fallback.
-     *
-     * ```javascript
-     * nextTick(function ()
-     * {
+     */
+
+    /* example
+     * nextTick(function () {
      *     // Do something...
      * });
-     * ```
      */
 
-    /* module
-     * env: all
-     * test: all
+    /* typescript
+     * export declare function nextTick(cb: Function): void;
      */
-
-    if (typeof process === 'object' && process.nextTick) {
+    if (
+        (typeof process === 'undefined' ? 'undefined' : _typeof(process)) ===
+            'object' &&
+        process.nextTick
+    ) {
         exports = process.nextTick;
     } else if (typeof setImmediate === 'function') {
-        exports = function(cb) {
+        exports = function exports(cb) {
             setImmediate(ensureCallable(cb));
         };
     } else {
-        exports = function(cb) {
+        exports = function exports(cb) {
             setTimeout(ensureCallable(cb), 0);
         };
     }
@@ -533,7 +599,6 @@ var nextTick = _.nextTick = (function (exports) {
     function ensureCallable(fn) {
         if (typeof fn !== 'function')
             throw new TypeError(fn + ' is not a function');
-
         return fn;
     }
 
@@ -541,48 +606,41 @@ var nextTick = _.nextTick = (function (exports) {
 })({});
 
 /* ------------------------------ parallel ------------------------------ */
-_.parallel = (function () {
+_.parallel = (function (exports) {
     /* Run an array of functions in parallel.
      *
      * |Name |Type    |Desc                   |
      * |-----|--------|-----------------------|
      * |tasks|array   |Array of functions     |
      * |[cb] |function|Callback once completed|
-     *
-     * ```javascript
-     * parallel([
-     *     function(cb)
-     *     {
-     *         setTimeout(function () { cb(null, 'one') }, 200);
-     *     },
-     *     function(cb)
-     *     {
-     *         setTimeout(function () { cb(null, 'two') }, 100);
-     *     }
-     * ], function (err, results)
-     * {
-     *     // results -> ['one', 'two']
-     * });
-     * ```
      */
 
-    /* module
-     * env: all
-     * test: all
+    /* example
+     * parallel([
+     *     function(cb) {
+     *         setTimeout(function () { cb(null, 'one') }, 200);
+     *     },
+     *     function(cb) {
+     *         setTimeout(function () { cb(null, 'two') }, 100);
+     *     }
+     * ], function (err, results) {
+     *     // results -> ['one', 'two']
+     * });
+     */
+
+    /* typescript
+     * export declare function parallel(tasks: Function[], cb?: Function): void;
      */
 
     /* dependencies
      * noop each nextTick 
      */
 
-    function exports(tasks, cb) {
+    exports = function exports(tasks, cb) {
         cb = cb || noop;
-
         var results = [],
             pending = tasks.length;
-
         if (!pending) return done(null);
-
         each(tasks, function(task, i) {
             task(function(err, result) {
                 taskCb(i, err, result);
@@ -600,67 +658,81 @@ _.parallel = (function () {
                 cb = noop;
             });
         }
-    }
+    };
 
     return exports;
-})();
+})({});
 
 /* ------------------------------ reduce ------------------------------ */
 _.reduce = (function (exports) {
     /* Turn a list of values into a single value.
      *
-     * |Name               |Type        |Desc                          |
-     * |-------------------|------------|------------------------------|
-     * |obj                |object array|Collection to iterate over    |
-     * |[iteratee=identity]|function    |Function invoked per iteration|
-     * |[initial]          |*           |Initial value                 |
-     * |[ctx]              |*           |Function context              |
-     * |return             |*           |Accumulated value             |
-     *
-     * ```javascript
-     * reduce([1, 2, 3], function (sum, n) { return sum + n }, 0); // -> 6
-     * ```
+     * |Name             |Type        |Desc                          |
+     * |-----------------|------------|------------------------------|
+     * |obj              |object array|Collection to iterate over    |
+     * |iterator=identity|function    |Function invoked per iteration|
+     * |[initial]        |*           |Initial value                 |
+     * |[ctx]            |*           |Function context              |
+     * |return           |*           |Accumulated value             |
      */
 
-    /* module
-     * env: all
-     * test: all
+    /* example
+     * reduce([1, 2, 3], function (sum, n) { return sum + n }, 0); // -> 6
+     */
+
+    /* typescript
+     * export declare function reduce<T, TResult>(
+     *     list: types.List<T>,
+     *     iterator: types.MemoIterator<T, TResult>,
+     *     memo?: TResult,
+     *     context?: any
+     * ): TResult;
+     * export declare function reduce<T, TResult>(
+     *     list: types.Dictionary<T>,
+     *     iterator: types.MemoObjectIterator<T, TResult>,
+     *     memo?: TResult,
+     *     context?: any
+     * ): TResult;
      */
 
     /* dependencies
-     * optimizeCb isArrLike isUndef keys 
+     * optimizeCb isArrLike isUndef keys types 
      */
 
     exports = createReduce(1);
     exports.create = createReduce;
 
     function createReduce(dir) {
-        return function(obj, iteratee, initial, ctx) {
-            iteratee = optimizeCb(iteratee, ctx);
-
+        return function(obj, iterator, initial, ctx) {
+            iterator = optimizeCb(iterator, ctx);
             var i, len, key;
 
             if (isArrLike(obj)) {
                 len = obj.length;
                 i = dir > 0 ? 0 : len - 1;
+
                 if (isUndef(initial)) {
                     initial = obj[i];
                     i += dir;
                 }
+
                 for (; i < len && i >= 0; i += dir) {
-                    initial = iteratee(initial, obj[i], i, obj);
+                    initial = iterator(initial, obj[i], i, obj);
                 }
             } else {
                 var _keys = keys(obj);
+
                 len = _keys.length;
                 i = dir > 0 ? 0 : len - 1;
+
                 if (isUndef(initial)) {
                     initial = obj[_keys[i]];
                     i += dir;
                 }
+
                 for (; i < len && i >= 0; i += dir) {
                     key = _keys[i];
-                    initial = iteratee(initial, obj[key], key, obj);
+                    initial = iterator(initial, obj[key], key, obj);
                 }
             }
 
diff --git a/src/Resources/Resources.js b/src/Resources/Resources.js
index dbe3203..f32e1e9 100644
--- a/src/Resources/Resources.js
+++ b/src/Resources/Resources.js
@@ -152,12 +152,13 @@ export default class Resources extends Tool {
 
     let cookie = document.cookie
     if (trim(cookie) !== '') {
-      each(document.cookie.split(';'), function(val, t) {
+      each(document.cookie.split(';'), function(val) {
         val = val.split('=')
-        t = decodeUriComponent(val[1])
+        const key = trim(val.shift())
+        val = decodeUriComponent(val.join('='))
         cookieData.push({
-          key: trim(val[0]),
-          val: t
+          key,
+          val
         })
       })
     }
diff --git a/src/lib/stringifyUtil.js b/src/lib/stringifyUtil.js
index d80b080..348cde4 100644
--- a/src/lib/stringifyUtil.js
+++ b/src/lib/stringifyUtil.js
@@ -1,11 +1,12 @@
 // Built by eustia.
-"use strict";
+/* eslint-disable */
+"use strict";
 
-var _ = {};
+var _ = {};
 
-/* ------------------------------ allKeys ------------------------------ */
+/* ------------------------------ allKeys ------------------------------ */
 
-export var allKeys = _.allKeys = (function () {
+export var allKeys = _.allKeys = (function (exports) {
     /* Retrieve all the names of object's own and inherited properties.
      *
      * |Name  |Type  |Desc                       |
@@ -13,35 +14,35 @@ export var allKeys = _.allKeys = (function () {
      * |obj   |object|Object to query            |
      * |return|array |Array of all property names|
      *
-     * > Members of Object's prototype won't be retrieved.
-     *
-     * ```javascript
+     * Members of Object's prototype won't be retrieved.
+     */
+
+    /* example
      * var obj = Object.create({zero: 0});
      * obj.one = 1;
      * allKeys(obj) // -> ['zero', 'one']
-     * ```
      */
 
-    /* module
-     * env: all
-     * test: all
+    /* typescript
+     * export declare function allKeys(obj: any): string[];
      */
-
-    function exports(obj) {
+    exports = function exports(obj) {
         var ret = [],
             key;
 
-        for (key in obj) ret.push(key);
+        for (key in obj) {
+            ret.push(key);
+        }
 
         return ret;
-    }
+    };
 
-    return exports;
-})();
+    return exports;
+})({});
 
-/* ------------------------------ idxOf ------------------------------ */
+/* ------------------------------ idxOf ------------------------------ */
 
-export var idxOf = _.idxOf = (function () {
+export var idxOf = _.idxOf = (function (exports) {
     /* Get the index at which the first occurrence of value.
      *
      * |Name     |Type  |Desc                |
@@ -49,68 +50,64 @@ export var idxOf = _.idxOf = (function () {
      * |arr      |array |Array to search     |
      * |val      |*     |Value to search for |
      * |fromIdx=0|number|Index to search from|
-     *
-     * ```javascript
+     * |return   |number|Value index         |
+     */
+
+    /* example
      * idxOf([1, 2, 1, 2], 2, 2); // -> 3
-     * ```
      */
 
-    /* module
-     * env: all
-     * test: all
+    /* typescript
+     * export declare function idxOf(arr: any[], val: any, fromIdx?: number): number;
      */
-
-    function exports(arr, val, fromIdx) {
+    exports = function exports(arr, val, fromIdx) {
         return Array.prototype.indexOf.call(arr, val, fromIdx);
-    }
+    };
 
-    return exports;
-})();
+    return exports;
+})({});
 
-/* ------------------------------ isUndef ------------------------------ */
+/* ------------------------------ isUndef ------------------------------ */
 
-export var isUndef = _.isUndef = (function () {
+export var isUndef = _.isUndef = (function (exports) {
     /* Check if value is undefined.
      *
      * |Name  |Type   |Desc                      |
      * |------|-------|--------------------------|
      * |val   |*      |Value to check            |
      * |return|boolean|True if value is undefined|
-     *
-     * ```javascript
+     */
+
+    /* example
      * isUndef(void 0); // -> true
      * isUndef(null); // -> false
-     * ```
      */
 
-    /* module
-     * env: all
-     * test: all
+    /* typescript
+     * export declare function isUndef(val: any): boolean;
      */
-
-    function exports(val) {
+    exports = function exports(val) {
         return val === void 0;
-    }
+    };
 
-    return exports;
-})();
+    return exports;
+})({});
 
-/* ------------------------------ optimizeCb ------------------------------ */
+/* ------------------------------ optimizeCb ------------------------------ */
 
-export var optimizeCb = _.optimizeCb = (function () {
+export var optimizeCb = _.optimizeCb = (function (exports) {
     /* Used for function context binding.
      */
 
-    /* module
-     * env: all
-     * test: all
+    /* typescript
+     * export declare function optimizeCb(fn: Function, ctx: any, argCount?: number): Function;
      */
 
     /* dependencies
      * isUndef 
      */
 
-    function exports(fn, ctx, argCount) {
+    exports = function exports(fn, ctx, argCount) {
         if (isUndef(ctx)) return fn;
 
         switch (argCount == null ? 3 : argCount) {
@@ -118,10 +115,12 @@ export var optimizeCb = _.optimizeCb = (function () {
                 return function(val) {
                     return fn.call(ctx, val);
                 };
+
             case 3:
                 return function(val, idx, collection) {
                     return fn.call(ctx, val, idx, collection);
                 };
+
             case 4:
                 return function(accumulator, val, idx, collection) {
                     return fn.call(ctx, accumulator, val, idx, collection);
@@ -131,14 +130,50 @@ export var optimizeCb = _.optimizeCb = (function () {
         return function() {
             return fn.apply(ctx, arguments);
         };
-    }
+    };
 
-    return exports;
-})();
+    return exports;
+})({});
 
-/* ------------------------------ endWith ------------------------------ */
+/* ------------------------------ types ------------------------------ */
 
-export var endWith = _.endWith = (function () {
+export var types = _.types = (function (exports) {
+    /* Used for typescript definitions only.
+     */
+
+    /* typescript
+     * export declare namespace types {
+     *     interface Collection<T> {}
+     *     interface List<T> extends Collection<T> {
+     *         [index: number]: T;
+     *         length: number;
+     *     }
+     *     interface ListIterator<T, TResult> {
+     *         (value: T, index: number, list: List<T>): TResult;
+     *     }
+     *     interface Dictionary<T> extends Collection<T> {
+     *         [index: string]: T;
+     *     }
+     *     interface ObjectIterator<T, TResult> {
+     *         (element: T, key: string, list: Dictionary<T>): TResult;
+     *     }
+     *     interface MemoIterator<T, TResult> {
+     *         (prev: TResult, curr: T, index: number, list: List<T>): TResult;
+     *     }
+     *     interface MemoObjectIterator<T, TResult> {
+     *         (prev: TResult, curr: T, key: string, list: Dictionary<T>): TResult;
+     *     }
+     * }
+     * export declare const types: {}
+     */
+    exports = {};
+
+    return exports;
+})({});
+
+/* ------------------------------ endWith ------------------------------ */
+
+export var endWith = _.endWith = (function (exports) {
     /* Check if string ends with the given target string.
      *
      * |Name  |Type   |Desc                           |
@@ -146,59 +181,54 @@ export var endWith = _.endWith = (function () {
      * |str   |string |The string to search           |
      * |suffix|string |String suffix                  |
      * |return|boolean|True if string ends with target|
-     *
-     * ```javascript
+     */
+
+    /* example
      * endWith('ab', 'b'); // -> true
-     * ```
      */
 
-    /* module
-     * env: all
-     * test: all
+    /* typescript
+     * export declare function endWith(str: string, suffix: string): boolean;
      */
-
-    function exports(str, suffix) {
+    exports = function exports(str, suffix) {
         var idx = str.length - suffix.length;
-
         return idx >= 0 && str.indexOf(suffix, idx) === idx;
-    }
+    };
 
-    return exports;
-})();
+    return exports;
+})({});
 
-/* ------------------------------ toStr ------------------------------ */
+/* ------------------------------ toStr ------------------------------ */
 
-export var toStr = _.toStr = (function () {
+export var toStr = _.toStr = (function (exports) {
     /* Convert value to a string.
      *
      * |Name  |Type  |Desc            |
      * |------|------|----------------|
      * |val   |*     |Value to convert|
      * |return|string|Resulted string |
-     *
-     * ```javascript
+     */
+
+    /* example
      * toStr(null); // -> ''
      * toStr(1); // -> '1'
      * toStr(false); // -> 'false'
      * toStr([1, 2, 3]); // -> '1,2,3'
-     * ```
      */
 
-    /* module
-     * env: all
-     * test: all
+    /* typescript
+     * export declare function toStr(val: any): string;
      */
-
-    function exports(val) {
+    exports = function exports(val) {
         return val == null ? '' : val.toString();
-    }
+    };
 
-    return exports;
-})();
+    return exports;
+})({});
 
-/* ------------------------------ escapeJsStr ------------------------------ */
+/* ------------------------------ escapeJsStr ------------------------------ */
 
-export var escapeJsStr = _.escapeJsStr = (function () {
+export var escapeJsStr = _.escapeJsStr = (function (exports) {
     /* Escape string to be a valid JavaScript string literal between quotes.
      *
      * http://www.ecma-international.org/ecma-262/5.1/#sec-7.8.4
@@ -207,69 +237,72 @@ export var escapeJsStr = _.escapeJsStr = (function () {
      * |------|------|----------------|
      * |str   |string|String to escape|
      * |return|string|Escaped string  |
-     * 
-     * ```javascript
-     * escapeJsStr('\"\n'); // -> '\\"\\\\n'
-     * ```
      */
 
-    /* module
-     * env: all
-     * test: all
+    /* example
+     * escapeJsStr('\"\n'); // -> '\\"\\\\n'
+     */
+
+    /* typescript
+     * export declare function escapeJsStr(str: string): string;
      */
 
     /* dependencies
      * toStr 
      */
 
-    function exports(str) {
-        return toStr(str).replace(regEscapeChars, function(char) {
-            switch (char) {
+    exports = function exports(str) {
+        return toStr(str).replace(regEscapeChars, function(_char) {
+            switch (_char) {
                 case '"':
                 case "'":
                 case '\\':
-                    return '\\' + char;
+                    return '\\' + _char;
+
                 case '\n':
                     return '\\n';
+
                 case '\r':
                     return '\\r';
                 // Line separator
+
                 case '\u2028':
                     return '\\u2028';
                 // Paragraph separator
+
                 case '\u2029':
                     return '\\u2029';
             }
         });
-    }
+    };
 
-    var regEscapeChars = /["'\\\n\r\u2028\u2029]/g;
+    var regEscapeChars = /["'\\\n\r\u2028\u2029]/g;
 
-    return exports;
-})();
+    return exports;
+})({});
 
-/* ------------------------------ escapeJsonStr ------------------------------ */
+/* ------------------------------ escapeJsonStr ------------------------------ */
 
-export var escapeJsonStr = _.escapeJsonStr = (function () {
-    /* Escape json string.
+export var escapeJsonStr = _.escapeJsonStr = (function (exports) {
+    /* Escape json string.
      */
 
     /* dependencies
      * escapeJsStr 
-     */
+     */
 
-    function exports(str) {
-      return escapeJsStr(str)
-        .replace(/\\'/g, "'")
-        .replace(/\t/g, '\\t')
-    }
+    function exports(str) {
+      return escapeJsStr(str)
+        .replace(/\\'/g, "'")
+        .replace(/\t/g, '\\t')
+    }
 
-    return exports;
-})();
+    return exports;
+})({});
 
-/* ------------------------------ has ------------------------------ */
+/* ------------------------------ has ------------------------------ */
 
-export var has = _.has = (function () {
+export var has = _.has = (function (exports) {
     /* Checks if key is a direct property.
      *
      * |Name  |Type   |Desc                            |
@@ -277,134 +310,126 @@ export var has = _.has = (function () {
      * |obj   |object |Object to query                 |
      * |key   |string |Path to check                   |
      * |return|boolean|True if key is a direct property|
-     *
-     * ```javascript
+     */
+
+    /* example
      * has({one: 1}, 'one'); // -> true
-     * ```
      */
 
-    /* module
-     * env: all
-     * test: all
+    /* typescript
+     * export declare function has(obj: {}, key: string): boolean;
      */
-
     var hasOwnProp = Object.prototype.hasOwnProperty;
 
-    function exports(obj, key) {
+    exports = function exports(obj, key) {
         return hasOwnProp.call(obj, key);
-    }
+    };
 
-    return exports;
-})();
+    return exports;
+})({});
 
-/* ------------------------------ identity ------------------------------ */
+/* ------------------------------ identity ------------------------------ */
 
-export var identity = _.identity = (function () {
+export var identity = _.identity = (function (exports) {
     /* Return the first argument given.
      *
      * |Name  |Type|Desc       |
      * |------|----|-----------|
      * |val   |*   |Any value  |
      * |return|*   |Given value|
-     *
-     * ```javascript
+     */
+
+    /* example
      * identity('a'); // -> 'a'
-     * ```
      */
 
-    /* module
-     * env: all
-     * test: all
+    /* typescript
+     * export declare function identity<T>(val: T): T;
      */
-
-    function exports(val) {
+    exports = function exports(val) {
         return val;
-    }
+    };
 
-    return exports;
-})();
+    return exports;
+})({});
 
-/* ------------------------------ objToStr ------------------------------ */
+/* ------------------------------ objToStr ------------------------------ */
 
-export var objToStr = _.objToStr = (function () {
+export var objToStr = _.objToStr = (function (exports) {
     /* Alias of Object.prototype.toString.
      *
      * |Name  |Type  |Desc                                |
      * |------|------|------------------------------------|
-     * |value |*     |Source value                        |
+     * |val   |*     |Source value                        |
      * |return|string|String representation of given value|
-     * 
-     * ```javascript
+     */
+
+    /* example
      * objToStr(5); // -> '[object Number]'
-     * ```
      */
 
-    /* module
-     * env: all
-     * test: all
+    /* typescript
+     * export declare function objToStr(val: any): string;
      */
-
     var ObjToStr = Object.prototype.toString;
 
-    function exports(val) {
+    exports = function exports(val) {
         return ObjToStr.call(val);
-    }
+    };
 
-    return exports;
-})();
+    return exports;
+})({});
 
-/* ------------------------------ isArgs ------------------------------ */
+/* ------------------------------ isArgs ------------------------------ */
 
-export var isArgs = _.isArgs = (function () {
+export var isArgs = _.isArgs = (function (exports) {
     /* Check if value is classified as an arguments object.
      *
      * |Name  |Type   |Desc                                |
      * |------|-------|------------------------------------|
      * |val   |*      |Value to check                      |
      * |return|boolean|True if value is an arguments object|
-     *
-     * ```javascript
+     */
+
+    /* example
      * (function () {
      *     isArgs(arguments); // -> true
      * })();
-     * ```
      */
 
-    /* module
-     * env: all
-     * test: all
+    /* typescript
+     * export declare function isArgs(val: any): boolean;
      */
 
     /* dependencies
      * objToStr 
      */
 
-    function exports(val) {
+    exports = function exports(val) {
         return objToStr(val) === '[object Arguments]';
-    }
+    };
 
-    return exports;
-})();
+    return exports;
+})({});
 
-/* ------------------------------ isArr ------------------------------ */
+/* ------------------------------ isArr ------------------------------ */
 
-export var isArr = _.isArr = (function (exports) {
+export var isArr = _.isArr = (function (exports) {
     /* Check if value is an `Array` object.
      *
      * |Name  |Type   |Desc                              |
      * |------|-------|----------------------------------|
      * |val   |*      |Value to check                    |
      * |return|boolean|True if value is an `Array` object|
-     *
-     * ```javascript
-     * isArr([]); // -> true
-     * isArr({}); // -> false
-     * ```
      */
 
-    /* module
-     * env: all
-     * test: all
+    /* example
+     * isArr([]); // -> true
+     * isArr({}); // -> false
+     */
+
+    /* typescript
+     * export declare function isArr(val: any): boolean;
      */
 
     /* dependencies
@@ -415,47 +440,46 @@ export var isArr = _.isArr = (function (exports) {
         Array.isArray ||
         function(val) {
             return objToStr(val) === '[object Array]';
-        };
+        };
 
-    return exports;
-})({});
+    return exports;
+})({});
 
-/* ------------------------------ isNum ------------------------------ */
+/* ------------------------------ isNum ------------------------------ */
 
-export var isNum = _.isNum = (function () {
+export var isNum = _.isNum = (function (exports) {
     /* Check if value is classified as a Number primitive or object.
      *
      * |Name  |Type   |Desc                                 |
      * |------|-------|-------------------------------------|
      * |val   |*      |Value to check                       |
      * |return|boolean|True if value is correctly classified|
-     * 
-     * ```javascript
+     */
+
+    /* example
      * isNum(5); // -> true
      * isNum(5.1); // -> true
      * isNum({}); // -> false
-     * ```
      */
 
-    /* module
-     * env: all
-     * test: all
+    /* typescript
+     * export declare function isNum(val: any): boolean;
      */
 
     /* dependencies
      * objToStr 
      */
 
-    function exports(val) {
+    exports = function exports(val) {
         return objToStr(val) === '[object Number]';
-    }
+    };
 
-    return exports;
-})();
+    return exports;
+})({});
 
-/* ------------------------------ isFn ------------------------------ */
+/* ------------------------------ isFn ------------------------------ */
 
-export var isFn = _.isFn = (function () {
+export var isFn = _.isFn = (function (exports) {
     /* Check if value is a function.
      *
      * |Name  |Type   |Desc                       |
@@ -464,37 +488,35 @@ export var isFn = _.isFn = (function () {
      * |return|boolean|True if value is a function|
      *
      * Generator function is also classified as true.
-     *
-     * ```javascript
-     * isFn(function() {}); // -> true
-     * isFn(function*() {}); // -> true
-     * ```
      */
 
-    /* module
-     * env: all
-     * test: all
+    /* example
+     * isFn(function() {}); // -> true
+     * isFn(function*() {}); // -> true
+     */
+
+    /* typescript
+     * export declare function isFn(val: any): boolean;
      */
 
     /* dependencies
      * objToStr 
      */
 
-    function exports(val) {
+    exports = function exports(val) {
         var objStr = objToStr(val);
-
         return (
             objStr === '[object Function]' ||
             objStr === '[object GeneratorFunction]'
         );
-    }
+    };
 
-    return exports;
-})();
+    return exports;
+})({});
 
-/* ------------------------------ isArrLike ------------------------------ */
+/* ------------------------------ isArrLike ------------------------------ */
 
-export var isArrLike = _.isArrLike = (function () {
+export var isArrLike = _.isArrLike = (function (exports) {
     /* Check if value is array-like.
      *
      * |Name  |Type   |Desc                       |
@@ -502,18 +524,17 @@ export var isArrLike = _.isArrLike = (function () {
      * |val   |*      |Value to check             |
      * |return|boolean|True if value is array like|
      *
-     * > Function returns false.
-     *
-     * ```javascript
+     * Function returns false.
+     */
+
+    /* example
      * isArrLike('test'); // -> true
      * isArrLike(document.body.children); // -> true;
      * isArrLike([1, 2, 3]); // -> true
-     * ```
      */
 
-    /* module
-     * env: all
-     * test: all
+    /* typescript
+     * export declare function isArrLike(val: any): boolean;
      */
 
     /* dependencies
@@ -522,111 +543,123 @@ export var isArrLike = _.isArrLike = (function () {
 
     var MAX_ARR_IDX = Math.pow(2, 53) - 1;
 
-    function exports(val) {
+    exports = function exports(val) {
         if (!val) return false;
-
         var len = val.length;
-
         return isNum(len) && len >= 0 && len <= MAX_ARR_IDX && !isFn(val);
-    }
+    };
 
-    return exports;
-})();
+    return exports;
+})({});
 
-/* ------------------------------ isBrowser ------------------------------ */
+/* ------------------------------ isBrowser ------------------------------ */
+
+export var isBrowser = _.isBrowser = (function (exports) {
+    function _typeof(obj) {
+        if (typeof Symbol === 'function' && typeof Symbol.iterator === 'symbol') {
+            _typeof = function _typeof(obj) {
+                return typeof obj;
+            };
+        } else {
+            _typeof = function _typeof(obj) {
+                return obj &&
+                    typeof Symbol === 'function' &&
+                    obj.constructor === Symbol &&
+                    obj !== Symbol.prototype
+                    ? 'symbol'
+                    : typeof obj;
+            };
+        }
+        return _typeof(obj);
+    }
 
-export var isBrowser = _.isBrowser = (function (exports) {
     /* Check if running in a browser.
-     *
-     * ```javascript
+     */
+
+    /* example
      * console.log(isBrowser); // -> true if running in a browser
-     * ```
      */
 
-    /* module
-     * env: all
-     * test: all
+    /* typescript
+     * export declare const isBrowser: boolean;
      */
-
     exports =
-        typeof window === 'object' &&
-        typeof document === 'object' &&
-        document.nodeType === 9;
+        (typeof window === 'undefined' ? 'undefined' : _typeof(window)) ===
+            'object' &&
+        (typeof document === 'undefined' ? 'undefined' : _typeof(document)) ===
+            'object' &&
+        document.nodeType === 9;
 
-    return exports;
-})({});
+    return exports;
+})({});
 
-/* ------------------------------ root ------------------------------ */
+/* ------------------------------ root ------------------------------ */
 
-export var root = _.root = (function (exports) {
+export var root = _.root = (function (exports) {
     /* Root object reference, `global` in nodeJs, `window` in browser. */
 
-    /* module
-     * env: all
-     * test: all
+    /* typescript
+     * export declare const root: any;
      */
 
     /* dependencies
      * isBrowser 
      */
 
-    exports = isBrowser ? window : global;
+    exports = isBrowser ? window : global;
 
-    return exports;
-})({});
+    return exports;
+})({});
 
-/* ------------------------------ detectMocha ------------------------------ */
+/* ------------------------------ detectMocha ------------------------------ */
 
-export var detectMocha = _.detectMocha = (function () {
+export var detectMocha = _.detectMocha = (function (exports) {
     /* Detect if mocha is running.
-     *
-     * ```javascript
-     * detectMocha(); // -> True if mocha is running.
-     * ```
      */
 
-    /* module
-     * env: all
-     * test: all
+    /* example
+     * detectMocha(); // -> True if mocha is running.
+     */
+
+    /* typescript
+     * export declare function detectMocha(): boolean;
      */
 
     /* dependencies
      * root 
      */
 
-    function exports() {
+    exports = function exports() {
         for (var i = 0, len = methods.length; i < len; i++) {
             var method = methods[i];
-
             if (typeof root[method] !== 'function') return false;
         }
 
         return true;
-    }
+    };
 
-    var methods = ['afterEach', 'after', 'beforeEach', 'before', 'describe', 'it'];
+    var methods = ['afterEach', 'after', 'beforeEach', 'before', 'describe', 'it'];
 
-    return exports;
-})();
+    return exports;
+})({});
 
-/* ------------------------------ keys ------------------------------ */
+/* ------------------------------ keys ------------------------------ */
 
-export var keys = _.keys = (function (exports) {
+export var keys = _.keys = (function (exports) {
     /* Create an array of the own enumerable property names of object.
      *
      * |Name  |Type  |Desc                   |
      * |------|------|-----------------------|
      * |obj   |object|Object to query        |
      * |return|array |Array of property names|
-     * 
-     * ```javascript
-     * keys({a: 1}); // -> ['a']
-     * ```
      */
 
-    /* module
-     * env: all
-     * test: all
+    /* example
+     * keys({a: 1}); // -> ['a']
+     */
+
+    /* typescript
+     * export declare function keys(obj: any): string[];
      */
 
     /* dependencies
@@ -636,7 +669,7 @@ export var keys = _.keys = (function (exports) {
     if (Object.keys && !detectMocha()) {
         exports = Object.keys;
     } else {
-        exports = function(obj) {
+        exports = function exports(obj) {
             var ret = [],
                 key;
 
@@ -646,59 +679,69 @@ export var keys = _.keys = (function (exports) {
 
             return ret;
         };
-    }
+    }
 
-    return exports;
-})({});
+    return exports;
+})({});
 
-/* ------------------------------ each ------------------------------ */
+/* ------------------------------ each ------------------------------ */
 
-export var each = _.each = (function () {
-    /* Iterate over elements of collection and invokes iteratee for each element.
+export var each = _.each = (function (exports) {
+    /* Iterate over elements of collection and invokes iterator for each element.
      *
      * |Name    |Type        |Desc                          |
      * |--------|------------|------------------------------|
      * |obj     |object array|Collection to iterate over    |
-     * |iteratee|function    |Function invoked per iteration|
+     * |iterator|function    |Function invoked per iteration|
      * |[ctx]   |*           |Function context              |
-     *
-     * ```javascript
-     * each({'a': 1, 'b': 2}, function (val, key) {});
-     * ```
      */
 
-    /* module
-     * env: all
-     * test: all
+    /* example
+     * each({'a': 1, 'b': 2}, function (val, key) {});
+     */
+
+    /* typescript
+     * export declare function each<T>(
+     *     list: types.List<T>,
+     *     iterator: types.ListIterator<T, void>,
+     *     ctx?: any
+     * ): types.List<T>;
+     * export declare function each<T>(
+     *     object: types.Dictionary<T>,
+     *     iterator: types.ObjectIterator<T, void>,
+     *     ctx?: any
+     * ): types.Collection<T>;
      */
 
     /* dependencies
-     * isArrLike keys optimizeCb 
+     * isArrLike keys optimizeCb types 
      */
 
-    function exports(obj, iteratee, ctx) {
-        iteratee = optimizeCb(iteratee, ctx);
-
+    exports = function exports(obj, iterator, ctx) {
+        iterator = optimizeCb(iterator, ctx);
         var i, len;
 
         if (isArrLike(obj)) {
-            for (i = 0, len = obj.length; i < len; i++) iteratee(obj[i], i, obj);
+            for (i = 0, len = obj.length; i < len; i++) {
+                iterator(obj[i], i, obj);
+            }
         } else {
             var _keys = keys(obj);
+
             for (i = 0, len = _keys.length; i < len; i++) {
-                iteratee(obj[_keys[i]], _keys[i], obj);
+                iterator(obj[_keys[i]], _keys[i], obj);
             }
         }
 
         return obj;
-    }
+    };
 
-    return exports;
-})();
+    return exports;
+})({});
 
-/* ------------------------------ createAssigner ------------------------------ */
+/* ------------------------------ createAssigner ------------------------------ */
 
-export var createAssigner = _.createAssigner = (function () {
+export var createAssigner = _.createAssigner = (function (exports) {
     /* Used to create extend, extendOwn and defaults.
      *
      * |Name    |Type    |Desc                          |
@@ -708,224 +751,211 @@ export var createAssigner = _.createAssigner = (function () {
      * |return  |function|Result function, extend...    |
      */
 
-    /* module
-     * env: all
-     * test: all
+    /* typescript
+     * export declare function createAssigner(keysFn: Function, defaults: boolean): Function;
      */
 
     /* dependencies
      * isUndef each 
      */
 
-    function exports(keysFn, defaults) {
+    exports = function exports(keysFn, defaults) {
         return function(obj) {
             each(arguments, function(src, idx) {
                 if (idx === 0) return;
-
                 var keys = keysFn(src);
-
                 each(keys, function(key) {
                     if (!defaults || isUndef(obj[key])) obj[key] = src[key];
                 });
             });
-
             return obj;
         };
-    }
+    };
 
-    return exports;
-})();
+    return exports;
+})({});
 
-/* ------------------------------ extend ------------------------------ */
+/* ------------------------------ extend ------------------------------ */
 
-export var extend = _.extend = (function (exports) {
+export var extend = _.extend = (function (exports) {
     /* Copy all of the properties in the source objects over to the destination object.
      *
-     * |Name  |Type  |Desc              |
-     * |------|------|------------------|
-     * |obj   |object|Destination object|
-     * |...src|object|Sources objects   |
-     * |return|object|Destination object|
-     *
-     * ```javascript
-     * extend({name: 'RedHood'}, {age: 24}); // -> {name: 'RedHood', age: 24}
-     * ```
+     * |Name       |Type  |Desc              |
+     * |-----------|------|------------------|
+     * |destination|object|Destination object|
+     * |...sources |object|Sources objects   |
+     * |return     |object|Destination object|
      */
 
-    /* module
-     * env: all
-     * test: all
+    /* example
+     * extend({name: 'RedHood'}, {age: 24}); // -> {name: 'RedHood', age: 24}
+     */
+
+    /* typescript
+     * export declare function extend(destination: any, ...sources: any[]): any;
      */
 
     /* dependencies
      * createAssigner allKeys 
      */
 
-    exports = createAssigner(allKeys);
+    exports = createAssigner(allKeys);
 
-    return exports;
-})({});
+    return exports;
+})({});
 
-/* ------------------------------ values ------------------------------ */
+/* ------------------------------ values ------------------------------ */
 
-export var values = _.values = (function () {
+export var values = _.values = (function (exports) {
     /* Create an array of the own enumerable property values of object.
      *
      * |Name  |Type  |Desc                    |
      * |------|------|------------------------|
      * |obj   |object|Object to query         |
      * |return|array |Array of property values|
-     *
-     * ```javascript
-     * values({one: 1, two: 2}); // -> [1, 2]
-     * ```
      */
 
-    /* module
-     * env: all
-     * test: all
+    /* example
+     * values({one: 1, two: 2}); // -> [1, 2]
+     */
+
+    /* typescript
+     * export declare function values(obj: any): any[];
      */
 
     /* dependencies
      * each 
      */
 
-    function exports(obj) {
+    exports = function exports(obj) {
         var ret = [];
-
         each(obj, function(val) {
             ret.push(val);
         });
-
         return ret;
-    }
+    };
 
-    return exports;
-})();
+    return exports;
+})({});
 
-/* ------------------------------ contain ------------------------------ */
+/* ------------------------------ contain ------------------------------ */
 
-export var contain = _.contain = (function () {
+export var contain = _.contain = (function (exports) {
     /* Check if the value is present in the list.
      *
      * |Name  |Type        |Desc                                |
      * |------|------------|------------------------------------|
-     * |array |array object|Target list                         |
+     * |target|array object|Target object                       |
      * |value |*           |Value to check                      |
      * |return|boolean     |True if value is present in the list|
-     *
-     * ```javascript
-     * contain([1, 2, 3], 1); // -> true
-     * contain({a: 1, b: 2}, 1); // -> true
-     * ```
      */
 
-    /* module
-     * env: all
-     * test: all
+    /* example
+     * contain([1, 2, 3], 1); // -> true
+     * contain({a: 1, b: 2}, 1); // -> true
+     */
+
+    /* typescript
+     * export declare function contain(arr: any[] | {}, val: any): boolean;
      */
 
     /* dependencies
      * idxOf isArrLike values 
      */
 
-    function exports(arr, val) {
+    exports = function exports(arr, val) {
         if (!isArrLike(arr)) arr = values(arr);
-
         return idxOf(arr, val) >= 0;
-    }
+    };
 
-    return exports;
-})();
+    return exports;
+})({});
 
-/* ------------------------------ extendOwn ------------------------------ */
+/* ------------------------------ extendOwn ------------------------------ */
 
-export var extendOwn = _.extendOwn = (function (exports) {
+export var extendOwn = _.extendOwn = (function (exports) {
     /* Like extend, but only copies own properties over to the destination object.
      *
-     * |Name  |Type  |Desc              |
-     * |------|------|------------------|
-     * |obj   |object|Destination object|
-     * |*src  |object|Sources objects   |
-     * |return|object|Destination object|
-     *
-     * ```javascript
-     * extendOwn({name: 'RedHood'}, {age: 24}); // -> {name: 'RedHood', age: 24}
-     * ```
+     * |Name       |Type  |Desc              |
+     * |-----------|------|------------------|
+     * |destination|object|Destination object|
+     * |...sources |object|Sources objects   |
+     * |return     |object|Destination object|
      */
 
-    /* module
-     * env: all
-     * test: all
+    /* example
+     * extendOwn({name: 'RedHood'}, {age: 24}); // -> {name: 'RedHood', age: 24}
+     */
+
+    /* typescript
+     * export declare function extendOwn(destination: any, ...sources: any[]): any;
      */
 
     /* dependencies
      * keys createAssigner 
      */
 
-    exports = createAssigner(keys);
+    exports = createAssigner(keys);
 
-    return exports;
-})({});
+    return exports;
+})({});
 
-/* ------------------------------ isStr ------------------------------ */
+/* ------------------------------ isStr ------------------------------ */
 
-export var isStr = _.isStr = (function () {
+export var isStr = _.isStr = (function (exports) {
     /* Check if value is a string primitive.
      *
      * |Name  |Type   |Desc                               |
      * |------|-------|-----------------------------------|
      * |val   |*      |Value to check                     |
      * |return|boolean|True if value is a string primitive|
-     *
-     * ```javascript
-     * isStr('licia'); // -> true
-     * ```
      */
 
-    /* module
-     * env: all
-     * test: all
+    /* example
+     * isStr('licia'); // -> true
+     */
+
+    /* typescript
+     * export declare function isStr(val: any): boolean;
      */
 
     /* dependencies
      * objToStr 
      */
 
-    function exports(val) {
+    exports = function exports(val) {
         return objToStr(val) === '[object String]';
-    }
+    };
 
-    return exports;
-})();
+    return exports;
+})({});
 
-/* ------------------------------ isEmpty ------------------------------ */
+/* ------------------------------ isEmpty ------------------------------ */
 
-export var isEmpty = _.isEmpty = (function () {
+export var isEmpty = _.isEmpty = (function (exports) {
     /* Check if value is an empty object or array.
      *
      * |Name  |Type   |Desc                  |
      * |------|-------|----------------------|
      * |val   |*      |Value to check        |
      * |return|boolean|True if value is empty|
-     *
-     * ```javascript
+     */
+
+    /* example
      * isEmpty([]); // -> true
      * isEmpty({}); // -> true
      * isEmpty(''); // -> true
-     * ```
      */
 
-    /* module
-     * env: all
-     * test: all
+    /* typescript
+     * export declare function isEmpty(val: any): boolean;
      */
 
     /* dependencies
      * isArrLike isArr isStr isArgs keys 
      */
 
-    function exports(val) {
+    exports = function exports(val) {
         if (val == null) return true;
 
         if (isArrLike(val) && (isArr(val) || isStr(val) || isArgs(val))) {
@@ -933,14 +963,14 @@ export var isEmpty = _.isEmpty = (function () {
         }
 
         return keys(val).length === 0;
-    }
+    };
 
-    return exports;
-})();
+    return exports;
+})({});
 
-/* ------------------------------ isMatch ------------------------------ */
+/* ------------------------------ isMatch ------------------------------ */
 
-export var isMatch = _.isMatch = (function () {
+export var isMatch = _.isMatch = (function (exports) {
     /* Check if keys and values in src are contained in obj.
      *
      * |Name  |Type   |Desc                              |
@@ -948,27 +978,25 @@ export var isMatch = _.isMatch = (function () {
      * |obj   |object |Object to inspect                 |
      * |src   |object |Object of property values to match|
      * |return|boolean|True if object is match           |
-     *
-     * ```javascript
-     * isMatch({a: 1, b: 2}, {a: 1}); // -> true
-     * ```
      */
 
-    /* module
-     * env: all
-     * test: all
+    /* example
+     * isMatch({a: 1, b: 2}, {a: 1}); // -> true
+     */
+
+    /* typescript
+     * export declare function isMatch(obj: any, src: any): boolean;
      */
 
     /* dependencies
      * keys 
      */
 
-    function exports(obj, src) {
+    exports = function exports(obj, src) {
         var _keys = keys(src),
             len = _keys.length;
 
         if (obj == null) return !len;
-
         obj = Object(obj);
 
         for (var i = 0; i < len; i++) {
@@ -977,14 +1005,32 @@ export var isMatch = _.isMatch = (function () {
         }
 
         return true;
-    }
+    };
 
-    return exports;
-})();
+    return exports;
+})({});
 
-/* ------------------------------ isObj ------------------------------ */
+/* ------------------------------ isObj ------------------------------ */
+
+export var isObj = _.isObj = (function (exports) {
+    function _typeof(obj) {
+        if (typeof Symbol === 'function' && typeof Symbol.iterator === 'symbol') {
+            _typeof = function _typeof(obj) {
+                return typeof obj;
+            };
+        } else {
+            _typeof = function _typeof(obj) {
+                return obj &&
+                    typeof Symbol === 'function' &&
+                    obj.constructor === Symbol &&
+                    obj !== Symbol.prototype
+                    ? 'symbol'
+                    : typeof obj;
+            };
+        }
+        return _typeof(obj);
+    }
 
-export var isObj = _.isObj = (function () {
     /* Check if value is the language type of Object.
      *
      * |Name  |Type   |Desc                      |
@@ -993,161 +1039,149 @@ export var isObj = _.isObj = (function () {
      * |return|boolean|True if value is an object|
      *
      * [Language Spec](http://www.ecma-international.org/ecma-262/6.0/#sec-ecmascript-language-types)
-     *
-     * ```javascript
+     */
+
+    /* example
      * isObj({}); // -> true
      * isObj([]); // -> true
-     * ```
      */
 
-    /* module
-     * env: all
-     * test: all
+    /* typescript
+     * export declare function isObj(val: any): boolean;
      */
-
-    function exports(val) {
-        var type = typeof val;
+    exports = function exports(val) {
+        var type = _typeof(val);
 
         return !!val && (type === 'function' || type === 'object');
-    }
+    };
 
-    return exports;
-})();
+    return exports;
+})({});
 
-/* ------------------------------ isRegExp ------------------------------ */
+/* ------------------------------ isRegExp ------------------------------ */
 
-export var isRegExp = _.isRegExp = (function () {
+export var isRegExp = _.isRegExp = (function (exports) {
     /* Check if value is a regular expression.
      *
      * |Name  |Type   |Desc                                 |
      * |------|-------|-------------------------------------|
      * |val   |*      |Value to check                       |
      * |return|boolean|True if value is a regular expression|
-     *
-     * ```javascript
-     * isRegExp(/a/); // -> true
-     * ```
      */
 
-    /* module
-     * env: all
-     * test: all
+    /* example
+     * isRegExp(/a/); // -> true
+     */
+
+    /* typescript
+     * export declare function isRegExp(val: any): boolean;
      */
 
     /* dependencies
      * objToStr 
      */
 
-    function exports(val) {
+    exports = function exports(val) {
         return objToStr(val) === '[object RegExp]';
-    }
+    };
 
-    return exports;
-})();
+    return exports;
+})({});
 
-/* ------------------------------ last ------------------------------ */
+/* ------------------------------ last ------------------------------ */
 
-export var last = _.last = (function () {
+export var last = _.last = (function (exports) {
     /* Get the last element of array.
      *
      * |Name  |Type |Desc                     |
      * |------|-----|-------------------------|
      * |arr   |array|The array to query       |
      * |return|*    |The last element of array|
-     *
-     * ```javascript
+     */
+
+    /* example
      * last([1, 2]); // -> 2
-     * ```
      */
 
-    /* module
-     * env: all
-     * test: all
+    /* typescript
+     * export declare function last(arr: any[]): any;
      */
-
-    function exports(arr) {
+    exports = function exports(arr) {
         var len = arr ? arr.length : 0;
-
         if (len) return arr[len - 1];
-    }
+    };
 
-    return exports;
-})();
+    return exports;
+})({});
 
-/* ------------------------------ matcher ------------------------------ */
+/* ------------------------------ matcher ------------------------------ */
 
-export var matcher = _.matcher = (function () {
+export var matcher = _.matcher = (function (exports) {
     /* Return a predicate function that checks if attrs are contained in an object.
      *
      * |Name  |Type    |Desc                              |
      * |------|--------|----------------------------------|
      * |attrs |object  |Object of property values to match|
      * |return|function|New predicate function            |
-     *
-     * ```javascript
-     * var objects = [
+     */
+
+    /* example
+     * const objects = [
      *     {a: 1, b: 2, c: 3 },
      *     {a: 4, b: 5, c: 6 }
      * ];
-     * filter(objects, matcher({a: 4, c: 6 })); // -> [{a: 4, b: 5, c: 6 }]
-     * ```
+     * // filter(objects, matcher({a: 4, c: 6 }));
      */
 
-    /* module
-     * env: all
-     * test: all
+    /* typescript
+     * export declare function matcher(attrs: any): Function;
      */
 
     /* dependencies
      * extendOwn isMatch 
      */
 
-    function exports(attrs) {
+    exports = function exports(attrs) {
         attrs = extendOwn({}, attrs);
-
         return function(obj) {
             return isMatch(obj, attrs);
         };
-    }
+    };
 
-    return exports;
-})();
+    return exports;
+})({});
 
-/* ------------------------------ safeCb ------------------------------ */
+/* ------------------------------ safeCb ------------------------------ */
 
-export var safeCb = _.safeCb = (function (exports) {
+export var safeCb = _.safeCb = (function (exports) {
     /* Create callback based on input value.
      */
 
-    /* module
-     * env: all
-     * test: all
+    /* typescript
+     * export declare function safeCb(val?: any, ctx?: any, argCount?: number): Function;
      */
 
     /* dependencies
      * isFn isObj optimizeCb matcher identity 
      */
 
-    exports = function(val, ctx, argCount) {
+    exports = function exports(val, ctx, argCount) {
         if (val == null) return identity;
-
         if (isFn(val)) return optimizeCb(val, ctx, argCount);
-
         if (isObj(val)) return matcher(val);
-
         return function(key) {
             return function(obj) {
                 return obj == null ? undefined : obj[key];
             };
         };
-    };
+    };
 
-    return exports;
-})({});
+    return exports;
+})({});
 
-/* ------------------------------ filter ------------------------------ */
+/* ------------------------------ filter ------------------------------ */
 
-export var filter = _.filter = (function () {
+export var filter = _.filter = (function (exports) {
     /* Iterates over elements of collection, returning an array of all the values that pass a truth test.
      *
      * |Name     |Type    |Desc                                   |
@@ -1156,68 +1190,69 @@ export var filter = _.filter = (function () {
      * |predicate|function|Function invoked per iteration         |
      * |[ctx]    |*       |Predicate context                      |
      * |return   |array   |Array of all values that pass predicate|
-     *
-     * ```javascript
-     * filter([1, 2, 3, 4, 5], function (val)
-     * {
-     *     return val % 2 === 0;
-     * }); // -> [2, 4]
-     * ```
      */
 
-    /* module
-     * env: all
-     * test: all
+    /* example
+     * filter([1, 2, 3, 4, 5], function (val) {
+     *     return val % 2 === 0;
+     * }); // -> [2, 4]
+     */
+
+    /* typescript
+     * export declare function filter<T>(
+     *     list: types.List<T>,
+     *     iterator: types.ListIterator<T, boolean>,
+     *     context?: any
+     * ): T[];
+     * export declare function filter<T>(
+     *     object: types.Dictionary<T>,
+     *     iterator: types.ObjectIterator<T, boolean>,
+     *     context?: any
+     * ): T[];
      */
 
     /* dependencies
-     * safeCb each 
+     * safeCb each types 
      */
 
-    function exports(obj, predicate, ctx) {
+    exports = function exports(obj, predicate, ctx) {
         var ret = [];
-
         predicate = safeCb(predicate, ctx);
-
         each(obj, function(val, idx, list) {
             if (predicate(val, idx, list)) ret.push(val);
         });
-
         return ret;
-    }
+    };
 
-    return exports;
-})();
+    return exports;
+})({});
 
-/* ------------------------------ uniqId ------------------------------ */
+/* ------------------------------ uniqId ------------------------------ */
 
-export var uniqId = _.uniqId = (function () {
+export var uniqId = _.uniqId = (function (exports) {
     /* Generate a globally-unique id.
      *
-     * |Name  |Type  |Desc              |
-     * |------|------|------------------|
-     * |prefix|string|Id prefix         |
-     * |return|string|Globally-unique id|
-     *
-     * ```javascript
+     * |Name    |Type  |Desc              |
+     * |--------|------|------------------|
+     * |[prefix]|string|Id prefix         |
+     * |return  |string|Globally-unique id|
+     */
+
+    /* example
      * uniqId('eusita_'); // -> 'eustia_xxx'
-     * ```
      */
 
-    /* module
-     * env: all
-     * test: all
+    /* typescript
+     * export declare function uniqId(prefix?: string): string;
      */
-
     var idCounter = 0;
 
-    function exports(prefix) {
+    exports = function exports(prefix) {
         var id = ++idCounter + '';
-
         return prefix ? prefix + id : id;
-    }
+    };
 
-    return exports;
-})();
+    return exports;
+})({});
 
 export default _;
\ No newline at end of file
diff --git a/src/lib/util.js b/src/lib/util.js
index 61ea91e..a5332cf 100644
--- a/src/lib/util.js
+++ b/src/lib/util.js
@@ -1,68 +1,82 @@
 // Built by eustia.
+/* eslint-disable */
 "use strict";
 
 var _ = {};
 
 /* ------------------------------ last ------------------------------ */
 
-export var last = _.last = (function () {
+export var last = _.last = (function (exports) {
     /* Get the last element of array.
      *
      * |Name  |Type |Desc                     |
      * |------|-----|-------------------------|
      * |arr   |array|The array to query       |
      * |return|*    |The last element of array|
-     *
-     * ```javascript
+     */
+
+    /* example
      * last([1, 2]); // -> 2
-     * ```
      */
 
-    /* module
-     * env: all
-     * test: all
+    /* typescript
+     * export declare function last(arr: any[]): any;
      */
-
-    function exports(arr) {
+    exports = function exports(arr) {
         var len = arr ? arr.length : 0;
-
         if (len) return arr[len - 1];
-    }
+    };
 
     return exports;
-})();
+})({});
 
 /* ------------------------------ isUndef ------------------------------ */
 
-export var isUndef = _.isUndef = (function () {
+export var isUndef = _.isUndef = (function (exports) {
     /* Check if value is undefined.
      *
      * |Name  |Type   |Desc                      |
      * |------|-------|--------------------------|
      * |val   |*      |Value to check            |
      * |return|boolean|True if value is undefined|
-     *
-     * ```javascript
+     */
+
+    /* example
      * isUndef(void 0); // -> true
      * isUndef(null); // -> false
-     * ```
      */
 
-    /* module
-     * env: all
-     * test: all
+    /* typescript
+     * export declare function isUndef(val: any): boolean;
      */
-
-    function exports(val) {
+    exports = function exports(val) {
         return val === void 0;
-    }
+    };
 
     return exports;
-})();
+})({});
 
 /* ------------------------------ isObj ------------------------------ */
 
-export var isObj = _.isObj = (function () {
+export var isObj = _.isObj = (function (exports) {
+    function _typeof(obj) {
+        if (typeof Symbol === 'function' && typeof Symbol.iterator === 'symbol') {
+            _typeof = function _typeof(obj) {
+                return typeof obj;
+            };
+        } else {
+            _typeof = function _typeof(obj) {
+                return obj &&
+                    typeof Symbol === 'function' &&
+                    obj.constructor === Symbol &&
+                    obj !== Symbol.prototype
+                    ? 'symbol'
+                    : typeof obj;
+            };
+        }
+        return _typeof(obj);
+    }
+
     /* Check if value is the language type of Object.
      *
      * |Name  |Type   |Desc                      |
@@ -71,80 +85,72 @@ export var isObj = _.isObj = (function () {
      * |return|boolean|True if value is an object|
      *
      * [Language Spec](http://www.ecma-international.org/ecma-262/6.0/#sec-ecmascript-language-types)
-     *
-     * ```javascript
+     */
+
+    /* example
      * isObj({}); // -> true
      * isObj([]); // -> true
-     * ```
      */
 
-    /* module
-     * env: all
-     * test: all
+    /* typescript
+     * export declare function isObj(val: any): boolean;
      */
-
-    function exports(val) {
-        var type = typeof val;
+    exports = function exports(val) {
+        var type = _typeof(val);
 
         return !!val && (type === 'function' || type === 'object');
-    }
+    };
 
     return exports;
-})();
+})({});
 
 /* ------------------------------ inherits ------------------------------ */
 
-export var inherits = _.inherits = (function () {
+export var inherits = _.inherits = (function (exports) {
     /* Inherit the prototype methods from one constructor into another.
      *
      * |Name      |Type    |Desc       |
      * |----------|--------|-----------|
      * |Class     |function|Child Class|
      * |SuperClass|function|Super Class|
-     *
-     * ```javascript
-     * function People(name)
-     * {
+     */
+
+    /* example
+     * function People(name) {
      *     this._name = name;
      * }
      * People.prototype = {
-     *     getName: function ()
-     *     {
+     *     getName: function () {
      *         return this._name;
      *     }
      * };
-     * function Student(name)
-     * {
+     * function Student(name) {
      *     this._name = name;
      * }
      * inherits(Student, People);
      * var s = new Student('RedHood');
      * s.getName(); // -> 'RedHood'
-     * ```
      */
 
-    /* module
-     * env: all
-     * test: all
+    /* typescript
+     * export declare function inherits(Class: Function, SuperClass: Function): void;
      */
-
-    function exports(Class, SuperClass) {
+    exports = function exports(Class, SuperClass) {
         if (objCreate) return (Class.prototype = objCreate(SuperClass.prototype));
-
         noop.prototype = SuperClass.prototype;
         Class.prototype = new noop();
-    }
+    };
 
     var objCreate = Object.create;
 
     function noop() {}
 
     return exports;
-})();
+})({});
 
 /* ------------------------------ has ------------------------------ */
 
-export var has = _.has = (function () {
+export var has = _.has = (function (exports) {
     /* Checks if key is a direct property.
      *
      * |Name  |Type   |Desc                            |
@@ -152,29 +158,27 @@ export var has = _.has = (function () {
      * |obj   |object |Object to query                 |
      * |key   |string |Path to check                   |
      * |return|boolean|True if key is a direct property|
-     *
-     * ```javascript
+     */
+
+    /* example
      * has({one: 1}, 'one'); // -> true
-     * ```
      */
 
-    /* module
-     * env: all
-     * test: all
+    /* typescript
+     * export declare function has(obj: {}, key: string): boolean;
      */
-
     var hasOwnProp = Object.prototype.hasOwnProperty;
 
-    function exports(obj, key) {
+    exports = function exports(obj, key) {
         return hasOwnProp.call(obj, key);
-    }
+    };
 
     return exports;
-})();
+})({});
 
 /* ------------------------------ slice ------------------------------ */
 
-export var slice = _.slice = (function () {
+export var slice = _.slice = (function (exports) {
     /* Create slice of source array or array-like object.
      *
      * |Name              |Type  |Desc                      |
@@ -182,18 +186,16 @@ export var slice = _.slice = (function () {
      * |array             |array |Array to slice            |
      * |[start=0]         |number|Start position            |
      * |[end=array.length]|number|End position, not included|
-     *
-     * ```javascript
+     */
+
+    /* example
      * slice([1, 2, 3, 4], 1, 2); // -> [2]
-     * ```
      */
 
-    /* module
-     * env: all
-     * test: all
+    /* typescript
+     * export declare function slice(array: any[], start?: number, end?: number): any[];
      */
-
-    function exports(arr, start, end) {
+    exports = function exports(arr, start, end) {
         var len = arr.length;
 
         if (start == null) {
@@ -213,32 +215,53 @@ export var slice = _.slice = (function () {
         }
 
         var ret = [];
-        while (start < end) ret.push(arr[start++]);
+
+        while (start < end) {
+            ret.push(arr[start++]);
+        }
 
         return ret;
-    }
+    };
 
     return exports;
-})();
+})({});
 
 /* ------------------------------ isBrowser ------------------------------ */
 
 export var isBrowser = _.isBrowser = (function (exports) {
+    function _typeof(obj) {
+        if (typeof Symbol === 'function' && typeof Symbol.iterator === 'symbol') {
+            _typeof = function _typeof(obj) {
+                return typeof obj;
+            };
+        } else {
+            _typeof = function _typeof(obj) {
+                return obj &&
+                    typeof Symbol === 'function' &&
+                    obj.constructor === Symbol &&
+                    obj !== Symbol.prototype
+                    ? 'symbol'
+                    : typeof obj;
+            };
+        }
+        return _typeof(obj);
+    }
+
     /* Check if running in a browser.
-     *
-     * ```javascript
+     */
+
+    /* example
      * console.log(isBrowser); // -> true if running in a browser
-     * ```
      */
 
-    /* module
-     * env: all
-     * test: all
+    /* typescript
+     * export declare const isBrowser: boolean;
      */
-
     exports =
-        typeof window === 'object' &&
-        typeof document === 'object' &&
+        (typeof window === 'undefined' ? 'undefined' : _typeof(window)) ===
+            'object' &&
+        (typeof document === 'undefined' ? 'undefined' : _typeof(document)) ===
+            'object' &&
         document.nodeType === 9;
 
     return exports;
@@ -246,27 +269,25 @@ export var isBrowser = _.isBrowser = (function (exports) {
 
 /* ------------------------------ noop ------------------------------ */
 
-export var noop = _.noop = (function () {
+export var noop = _.noop = (function (exports) {
     /* A no-operation function.
-     *
-     * ```javascript
+     */
+
+    /* example
      * noop(); // Does nothing
-     * ```
      */
 
-    /* module
-     * env: all
-     * test: all
+    /* typescript
+     * export declare function noop(): void;
      */
-
-    function exports() {}
+    exports = function exports() {};
 
     return exports;
-})();
+})({});
 
 /* ------------------------------ allKeys ------------------------------ */
 
-export var allKeys = _.allKeys = (function () {
+export var allKeys = _.allKeys = (function (exports) {
     /* Retrieve all the names of object's own and inherited properties.
      *
      * |Name  |Type  |Desc                       |
@@ -274,35 +295,35 @@ export var allKeys = _.allKeys = (function () {
      * |obj   |object|Object to query            |
      * |return|array |Array of all property names|
      *
-     * > Members of Object's prototype won't be retrieved.
-     *
-     * ```javascript
+     * Members of Object's prototype won't be retrieved.
+     */
+
+    /* example
      * var obj = Object.create({zero: 0});
      * obj.one = 1;
      * allKeys(obj) // -> ['zero', 'one']
-     * ```
      */
 
-    /* module
-     * env: all
-     * test: all
+    /* typescript
+     * export declare function allKeys(obj: any): string[];
      */
-
-    function exports(obj) {
+    exports = function exports(obj) {
         var ret = [],
             key;
 
-        for (key in obj) ret.push(key);
+        for (key in obj) {
+            ret.push(key);
+        }
 
         return ret;
-    }
+    };
 
     return exports;
-})();
+})({});
 
 /* ------------------------------ before ------------------------------ */
 
-export var before = _.before = (function () {
+export var before = _.before = (function (exports) {
     /* Create a function that invokes less than n times.
      *
      * |Name  |Type    |Desc                                            |
@@ -312,112 +333,101 @@ export var before = _.before = (function () {
      * |return|function|New restricted function                         |
      *
      * Subsequent calls to the created function return the result of the last fn invocation.
-     *
-     * ```javascript
-     * $(element).on('click', before(5, function() {}));
-     * // -> allow function to be call 4 times at last.
-     * ```
      */
 
-    /* module
-     * env: all
-     * test: all
+    /* example
+     * const fn = before(5, function() {});
+     * fn(); // Allow function to be call 4 times at last.
      */
 
-    function exports(n, fn) {
+    /* typescript
+     * export declare function before(n: number, fn: Function): Function;
+     */
+    exports = function exports(n, fn) {
         var memo;
-
         return function() {
             if (--n > 0) memo = fn.apply(this, arguments);
             if (n <= 1) fn = null;
-
             return memo;
         };
-    }
+    };
 
     return exports;
-})();
+})({});
 
 /* ------------------------------ splitCase ------------------------------ */
 
-export var splitCase = _.splitCase = (function () {
+export var splitCase = _.splitCase = (function (exports) {
     /* Split different string case to an array.
      *
      * |Name  |Type  |Desc           |
      * |------|------|---------------|
      * |str   |string|String to split|
      * |return|array |Result array   |
-     *
-     * ```javascript
+     */
+
+    /* example
      * splitCase('foo-bar'); // -> ['foo', 'bar']
      * splitCase('foo bar'); // -> ['foo', 'bar']
      * splitCase('foo_bar'); // -> ['foo', 'bar']
      * splitCase('foo.bar'); // -> ['foo', 'bar']
      * splitCase('fooBar'); // -> ['foo', 'bar']
      * splitCase('foo-Bar'); // -> ['foo', 'bar']
-     * ```
      */
 
-    /* module
-     * env: all
-     * test: all
+    /* typescript
+     * export declare function splitCase(str: string): string[];
      */
-
     var regUpperCase = /([A-Z])/g,
         regSeparator = /[_.\- ]+/g,
         regTrim = /(^-)|(-$)/g;
 
-    function exports(str) {
+    exports = function exports(str) {
         str = str
             .replace(regUpperCase, '-$1')
             .toLowerCase()
             .replace(regSeparator, '-')
             .replace(regTrim, '');
-
         return str.split('-');
-    }
+    };
 
     return exports;
-})();
+})({});
 
 /* ------------------------------ camelCase ------------------------------ */
 
-export var camelCase = _.camelCase = (function () {
+export var camelCase = _.camelCase = (function (exports) {
     /* Convert string to "camelCase".
      *
      * |Name  |Type  |Desc              |
      * |------|------|------------------|
      * |str   |string|String to convert |
      * |return|string|Camel cased string|
-     *
-     * ```javascript
+     */
+
+    /* example
      * camelCase('foo-bar'); // -> fooBar
      * camelCase('foo bar'); // -> fooBar
      * camelCase('foo_bar'); // -> fooBar
      * camelCase('foo.bar'); // -> fooBar
-     * ```
      */
 
-    /* module
-     * env: all
-     * test: all
+    /* typescript
+     * export declare function camelCase(str: string): string;
      */
 
     /* dependencies
      * splitCase 
      */
 
-    function exports(str) {
+    exports = function exports(str) {
         var arr = splitCase(str);
-
         var ret = arr[0];
         arr.shift();
-
         arr.forEach(capitalize, arr);
         ret += arr.join('');
-
         return ret;
-    }
+    };
 
     function capitalize(val, idx) {
         this[idx] = val.replace(/\w/, function(match) {
@@ -426,85 +436,81 @@ export var camelCase = _.camelCase = (function () {
     }
 
     return exports;
-})();
+})({});
 
 /* ------------------------------ kebabCase ------------------------------ */
 
-export var kebabCase = _.kebabCase = (function () {
+export var kebabCase = _.kebabCase = (function (exports) {
     /* Convert string to "kebabCase".
      *
      * |Name  |Type  |Desc              |
      * |------|------|------------------|
      * |str   |string|String to convert |
      * |return|string|Kebab cased string|
-     *
-     * ```javascript
+     */
+
+    /* example
      * kebabCase('fooBar'); // -> foo-bar
      * kebabCase('foo bar'); // -> foo-bar
      * kebabCase('foo_bar'); // -> foo-bar
      * kebabCase('foo.bar'); // -> foo-bar
-     * ```
      */
 
-    /* module
-     * env: all
-     * test: all
+    /* typescript
+     * export declare function kebabCase(str: string): string;
      */
 
     /* dependencies
      * splitCase 
      */
 
-    function exports(str) {
+    exports = function exports(str) {
         return splitCase(str).join('-');
-    }
+    };
 
     return exports;
-})();
+})({});
 
 /* ------------------------------ chunk ------------------------------ */
 
-export var chunk = _.chunk = (function () {
+export var chunk = _.chunk = (function (exports) {
     /* Split array into groups the length of given size.
      *
      * |Name  |Type  |Desc                |
      * |------|------|--------------------|
      * |arr   |array |Array to process    |
      * |size=1|number|Length of each chunk|
-     * 
-     * ```javascript
+     * |return|array |Chunks of given size|
+     */
+
+    /* example
      * chunk([1, 2, 3, 4], 2); // -> [[1, 2], [3, 4]]
      * chunk([1, 2, 3, 4], 3); // -> [[1, 2, 3], [4]]
      * chunk([1, 2, 3, 4]); // -> [[1], [2], [3], [4]]
-     * ```
      */
 
-    /* module
-     * env: all
-     * test: all
+    /* typescript
+     * export declare function chunk(arr: any[], size?: number): Array<any[]>;
      */
-
-    function exports(arr, size) {
+    exports = function exports(arr, size) {
         var ret = [];
-
         size = size || 1;
 
         for (var i = 0, len = Math.ceil(arr.length / size); i < len; i++) {
             var start = i * size,
                 end = start + size;
-
             ret.push(arr.slice(start, end));
         }
 
         return ret;
-    }
+    };
 
     return exports;
-})();
+})({});
 
 /* ------------------------------ clamp ------------------------------ */
 
-export var clamp = _.clamp = (function () {
+export var clamp = _.clamp = (function (exports) {
     /* Clamp number within the inclusive lower and upper bounds.
      *
      * |Name   |Type  |Desc           |
@@ -513,44 +519,42 @@ export var clamp = _.clamp = (function () {
      * |[lower]|number|Lower bound    |
      * |upper  |number|Upper bound    |
      * |return |number|Clamped number |
-     *
-     * ```javascript
+     */
+
+    /* example
      * clamp(-10, -5, 5); // -> -5
      * clamp(10, -5, 5); // -> 5
      * clamp(2, -5, 5); // -> 2
      * clamp(10, 5); // -> 5
      * clamp(2, 5); // -> 2
-     * ```
      */
 
-    /* module
-     * env: all
-     * test: all
+    /* typescript
+     * export declare function clamp(n: number, lower: number, upper: number): number;
+     * export declare function clamp(n: number, upper: number): number;
      */
 
     /* dependencies
      * isUndef 
      */
 
-    function exports(n, lower, upper) {
+    exports = function exports(n, lower, upper) {
         if (isUndef(upper)) {
             upper = lower;
             lower = undefined;
         }
 
         if (!isUndef(lower) && n < lower) return lower;
-
         if (n > upper) return upper;
-
         return n;
-    }
+    };
 
     return exports;
-})();
+})({});
 
 /* ------------------------------ idxOf ------------------------------ */
 
-export var idxOf = _.idxOf = (function () {
+export var idxOf = _.idxOf = (function (exports) {
     /* Get the index at which the first occurrence of value.
      *
      * |Name     |Type  |Desc                |
@@ -558,53 +562,50 @@ export var idxOf = _.idxOf = (function () {
      * |arr      |array |Array to search     |
      * |val      |*     |Value to search for |
      * |fromIdx=0|number|Index to search from|
-     *
-     * ```javascript
+     * |return   |number|Value index         |
+     */
+
+    /* example
      * idxOf([1, 2, 1, 2], 2, 2); // -> 3
-     * ```
      */
 
-    /* module
-     * env: all
-     * test: all
+    /* typescript
+     * export declare function idxOf(arr: any[], val: any, fromIdx?: number): number;
      */
-
-    function exports(arr, val, fromIdx) {
+    exports = function exports(arr, val, fromIdx) {
         return Array.prototype.indexOf.call(arr, val, fromIdx);
-    }
+    };
 
     return exports;
-})();
+})({});
 
 /* ------------------------------ toStr ------------------------------ */
 
-export var toStr = _.toStr = (function () {
+export var toStr = _.toStr = (function (exports) {
     /* Convert value to a string.
      *
      * |Name  |Type  |Desc            |
      * |------|------|----------------|
      * |val   |*     |Value to convert|
      * |return|string|Resulted string |
-     *
-     * ```javascript
+     */
+
+    /* example
      * toStr(null); // -> ''
      * toStr(1); // -> '1'
      * toStr(false); // -> 'false'
      * toStr([1, 2, 3]); // -> '1,2,3'
-     * ```
      */
 
-    /* module
-     * env: all
-     * test: all
+    /* typescript
+     * export declare function toStr(val: any): string;
      */
-
-    function exports(val) {
+    exports = function exports(val) {
         return val == null ? '' : val.toString();
-    }
+    };
 
     return exports;
-})();
+})({});
 
 /* ------------------------------ ucs2 ------------------------------ */
 
@@ -612,54 +613,53 @@ export var ucs2 = _.ucs2 = (function (exports) {
     /* UCS-2 encoding and decoding.
      *
      * ### encode
-     * 
+     *
      * Create a string using an array of code point values.
-     * 
+     *
      * |Name  |Type  |Desc                |
      * |------|------|--------------------|
      * |arr   |array |Array of code points|
      * |return|string|Encoded string      |
-     * 
+     *
      * ### decode
-     * 
+     *
      * Create an array of code point values using a string.
-     * 
+     *
      * |Name  |Type  |Desc                |
      * |------|------|--------------------|
      * |str   |string|Input string        |
      * |return|array |Array of code points|
-     * 
-     * ```javascript
+     */
+
+    /* example
      * ucs2.encode([0x61, 0x62, 0x63]); // -> 'abc'
      * ucs2.decode('abc'); // -> [0x61, 0x62, 0x63]
      * '𝌆'.length; // -> 2
      * ucs2.decode('𝌆').length; // -> 1
-     * ```
      */
 
-    /* module
-     * env: all
-     * test: all
+    /* typescript
+     * export declare const ucs2: {
+     *     encode(arr: number[]): string;
+     *     decode(str: string): number[];
+     * };
      */
-
     // https://mathiasbynens.be/notes/javascript-encoding
     exports = {
-        encode: function(arr) {
+        encode: function encode(arr) {
             return String.fromCodePoint.apply(String, arr);
         },
-        decode: function(str) {
+        decode: function decode(str) {
             var ret = [];
-
             var i = 0,
                 len = str.length;
 
             while (i < len) {
-                var c = str.charCodeAt(i++);
+                var c = str.charCodeAt(i++); // A high surrogate
 
-                // A high surrogate
                 if (c >= 0xd800 && c <= 0xdbff && i < len) {
-                    var tail = str.charCodeAt(i++);
-                    // nextC >= 0xDC00 && nextC <= 0xDFFF
+                    var tail = str.charCodeAt(i++); // nextC >= 0xDC00 && nextC <= 0xDFFF
+
                     if ((tail & 0xfc00) === 0xdc00) {
                         // C = (H - 0xD800) * 0x400 + L - 0xDC00 + 0x10000
                         ret.push(((c & 0x3ff) << 10) + (tail & 0x3ff) + 0x10000);
@@ -685,44 +685,44 @@ export var utf8 = _.utf8 = (function (exports) {
     /* UTF-8 encoding and decoding.
      *
      * ### encode
-     * 
+     *
      * Turn any UTF-8 decoded string into UTF-8 encoded string.
-     * 
+     *
      * |Name  |Type  |Desc            |
      * |------|------|----------------|
      * |str   |string|String to encode|
      * |return|string|Encoded string  |
-     * 
+     *
      * ### decode
-     * 
-     * |Name        |Type   |Desc                  |
-     * |------------|-------|----------------------|
-     * |str         |string |String to decode      |
-     * |[safe=false]|boolean|Suppress error if true|
-     * |return      |string |Decoded string        |
-     * 
+     *
      * Turn any UTF-8 encoded string into UTF-8 decoded string.
-     * 
-     * ```javascript
-     * utf8.encode('\uD800\uDC00'); // ->  '\xF0\x90\x80\x80'
-     * utf8.decode('\xF0\x90\x80\x80'); // -> '\uD800\uDC00'
-     * ```
+     *
+     * |Name      |Type   |Desc                  |
+     * |----------|-------|----------------------|
+     * |str       |string |String to decode      |
+     * |safe=false|boolean|Suppress error if true|
+     * |return    |string |Decoded string        |
      */
 
-    /* module
-     * env: all
-     * test: all
+    /* example
+     * utf8.encode('\uD800\uDC00'); // ->  '\xF0\x90\x80\x80'
+     * utf8.decode('\xF0\x90\x80\x80'); // -> '\uD800\uDC00'
+     */
+
+    /* typescript
+     * export declare const utf8: {
+     *     encode(str: string): string;
+     *     decode(str: string, safe?: boolean): string;
+     * };
      */
 
     /* dependencies
      * ucs2 
-     */
+     */ // https://encoding.spec.whatwg.org/#utf-8
 
-    // https://encoding.spec.whatwg.org/#utf-8
     exports = {
-        encode: function(str) {
+        encode: function encode(str) {
             var codePoints = ucs2.decode(str);
-
             var byteArr = '';
 
             for (var i = 0, len = codePoints.length; i < len; i++) {
@@ -740,9 +740,7 @@ export var utf8 = _.utf8 = (function (exports) {
             bytesNeeded = 0;
             lowerBoundary = 0x80;
             upperBoundary = 0xbf;
-
             var codePoints = [];
-
             var tmp;
 
             while ((tmp = decodeCodePoint(safe)) !== false) {
@@ -752,7 +750,6 @@ export var utf8 = _.utf8 = (function (exports) {
             return ucs2.encode(codePoints);
         }
     };
-
     var fromCharCode = String.fromCharCode;
 
     function encodeCodePoint(codePoint) {
@@ -763,9 +760,8 @@ export var utf8 = _.utf8 = (function (exports) {
 
         var ret = '',
             count,
-            offset;
+            offset; // U+0080 to U+07FF, inclusive
 
-        // U+0080 to U+07FF, inclusive
         if ((codePoint & 0xfffff800) === 0) {
             count = 1;
             offset = 0xc0;
@@ -808,31 +804,30 @@ export var utf8 = _.utf8 = (function (exports) {
             }
 
             if (byteIdx === byteCount) return false;
-
-            var byte = byteArr[byteIdx];
+            var _byte = byteArr[byteIdx];
             byteIdx++;
 
             if (!bytesNeeded) {
                 // 0x00 to 0x7F
-                if ((byte & 0x80) === 0) {
-                    return byte;
-                }
-                // 0xC2 to 0xDF
-                if ((byte & 0xe0) === 0xc0) {
+                if ((_byte & 0x80) === 0) {
+                    return _byte;
+                } // 0xC2 to 0xDF
+
+                if ((_byte & 0xe0) === 0xc0) {
                     bytesNeeded = 1;
-                    codePoint = byte & 0x1f;
-                } else if ((byte & 0xf0) === 0xe0) {
+                    codePoint = _byte & 0x1f;
+                } else if ((_byte & 0xf0) === 0xe0) {
                     // 0xE0 to 0xEF
-                    if (byte === 0xe0) lowerBoundary = 0xa0;
-                    if (byte === 0xed) upperBoundary = 0x9f;
+                    if (_byte === 0xe0) lowerBoundary = 0xa0;
+                    if (_byte === 0xed) upperBoundary = 0x9f;
                     bytesNeeded = 2;
-                    codePoint = byte & 0xf;
-                } else if ((byte & 0xf8) === 0xf0) {
+                    codePoint = _byte & 0xf;
+                } else if ((_byte & 0xf8) === 0xf0) {
                     // 0xF0 to 0xF4
-                    if (byte === 0xf0) lowerBoundary = 0x90;
-                    if (byte === 0xf4) upperBoundary = 0x8f;
+                    if (_byte === 0xf0) lowerBoundary = 0x90;
+                    if (_byte === 0xf4) upperBoundary = 0x8f;
                     bytesNeeded = 3;
-                    codePoint = byte & 0x7;
+                    codePoint = _byte & 0x7;
                 } else {
                     if (safe) return goBack();
                     throw new Error('Invalid UTF-8 detected');
@@ -841,29 +836,24 @@ export var utf8 = _.utf8 = (function (exports) {
                 continue;
             }
 
-            if (byte < lowerBoundary || byte > upperBoundary) {
+            if (_byte < lowerBoundary || _byte > upperBoundary) {
                 if (safe) {
                     byteIdx--;
                     return goBack();
                 }
+
                 throw new Error('Invalid continuation byte');
             }
 
             lowerBoundary = 0x80;
             upperBoundary = 0xbf;
-
-            codePoint = (codePoint << 6) | (byte & 0x3f);
-
+            codePoint = (codePoint << 6) | (_byte & 0x3f);
             bytesSeen++;
-
             if (bytesSeen !== bytesNeeded) continue;
-
             var tmp = codePoint;
-
             codePoint = 0;
             bytesNeeded = 0;
             bytesSeen = 0;
-
             return tmp;
         }
     }
@@ -876,7 +866,6 @@ export var utf8 = _.utf8 = (function (exports) {
         bytesSeen = 0;
         lowerBoundary = 0x80;
         upperBoundary = 0xbf;
-
         return byteArr[start];
     }
 
@@ -888,9 +877,8 @@ export var utf8 = _.utf8 = (function (exports) {
 export var root = _.root = (function (exports) {
     /* Root object reference, `global` in nodeJs, `window` in browser. */
 
-    /* module
-     * env: all
-     * test: all
+    /* typescript
+     * export declare const root: any;
      */
 
     /* dependencies
@@ -904,37 +892,35 @@ export var root = _.root = (function (exports) {
 
 /* ------------------------------ detectMocha ------------------------------ */
 
-export var detectMocha = _.detectMocha = (function () {
+export var detectMocha = _.detectMocha = (function (exports) {
     /* Detect if mocha is running.
-     *
-     * ```javascript
-     * detectMocha(); // -> True if mocha is running.
-     * ```
      */
 
-    /* module
-     * env: all
-     * test: all
+    /* example
+     * detectMocha(); // -> True if mocha is running.
+     */
+
+    /* typescript
+     * export declare function detectMocha(): boolean;
      */
 
     /* dependencies
      * root 
      */
 
-    function exports() {
+    exports = function exports() {
         for (var i = 0, len = methods.length; i < len; i++) {
             var method = methods[i];
-
             if (typeof root[method] !== 'function') return false;
         }
 
         return true;
-    }
+    };
 
     var methods = ['afterEach', 'after', 'beforeEach', 'before', 'describe', 'it'];
 
     return exports;
-})();
+})({});
 
 /* ------------------------------ keys ------------------------------ */
 
@@ -945,15 +931,14 @@ export var keys = _.keys = (function (exports) {
      * |------|------|-----------------------|
      * |obj   |object|Object to query        |
      * |return|array |Array of property names|
-     * 
-     * ```javascript
-     * keys({a: 1}); // -> ['a']
-     * ```
      */
 
-    /* module
-     * env: all
-     * test: all
+    /* example
+     * keys({a: 1}); // -> ['a']
+     */
+
+    /* typescript
+     * export declare function keys(obj: any): string[];
      */
 
     /* dependencies
@@ -963,7 +948,7 @@ export var keys = _.keys = (function (exports) {
     if (Object.keys && !detectMocha()) {
         exports = Object.keys;
     } else {
-        exports = function(obj) {
+        exports = function exports(obj) {
             var ret = [],
                 key;
 
@@ -980,85 +965,77 @@ export var keys = _.keys = (function (exports) {
 
 /* ------------------------------ freeze ------------------------------ */
 
-export var freeze = _.freeze = (function () {
+export var freeze = _.freeze = (function (exports) {
     /* Shortcut for Object.freeze.
      *
      * Use Object.defineProperties if Object.freeze is not supported.
-     * 
+     *
      * |Name  |Type  |Desc            |
      * |------|------|----------------|
      * |obj   |object|Object to freeze|
      * |return|object|Object passed in|
-     * 
-     * ```javascript
+     */
+
+    /* example
      * var a = {b: 1};
      * freeze(a);
      * a.b = 2;
      * console.log(a); // -> {b: 1}
-     * ```
      */
 
-    /* module
-     * env: all
-     * test: all
+    /* typescript
+     * export declare function freeze<T>(obj: T): T;
      */
 
     /* dependencies
      * keys 
      */
 
-    function exports(obj) {
+    exports = function exports(obj) {
         if (Object.freeze) return Object.freeze(obj);
-
         keys(obj).forEach(function(prop) {
             if (!Object.getOwnPropertyDescriptor(obj, prop).configurable) return;
-
             Object.defineProperty(obj, prop, {
                 writable: false,
                 configurable: false
             });
         });
-
         return obj;
-    }
+    };
 
     return exports;
-})();
+})({});
 
 /* ------------------------------ detectOs ------------------------------ */
 
-export var detectOs = _.detectOs = (function () {
+export var detectOs = _.detectOs = (function (exports) {
     /* Detect operating system using ua.
-     * 
-     * |Name                    |Type  |Desc                 |
-     * |------------------------|------|---------------------|
-     * |[ua=navigator.userAgent]|string|Browser userAgent    |
-     * |return                  |string|Operating system name|
-     * 
+     *
+     * |Name                  |Type  |Desc                 |
+     * |----------------------|------|---------------------|
+     * |ua=navigator.userAgent|string|Browser userAgent    |
+     * |return                |string|Operating system name|
+     *
      * Supported os: windows, os x, linux, ios, android, windows phone
-     * 
-     * ```javascript
-     * if (detectOs() === 'ios') 
-     * {
-     *     // Do something about ios...
-     * }
-     * ```
      */
 
-    /* module
-     * env: all
-     * test: all
+    /* example
+     * if (detectOs() === 'ios') {
+     *     // Do something about ios...
+     * }
+     */
+
+    /* typescript
+     * export declare function detectOs(ua?: string): string;
      */
 
     /* dependencies
      * isBrowser 
      */
 
-    function exports(ua) {
+    exports = function exports(ua) {
         ua = ua || (isBrowser ? navigator.userAgent : '');
-
         ua = ua.toLowerCase();
-
         if (detect('windows phone')) return 'windows phone';
         if (detect('win')) return 'windows';
         if (detect('android')) return 'android';
@@ -1071,27 +1048,26 @@ export var detectOs = _.detectOs = (function () {
         }
 
         return 'unknown';
-    }
+    };
 
     return exports;
-})();
+})({});
 
 /* ------------------------------ optimizeCb ------------------------------ */
 
-export var optimizeCb = _.optimizeCb = (function () {
+export var optimizeCb = _.optimizeCb = (function (exports) {
     /* Used for function context binding.
      */
 
-    /* module
-     * env: all
-     * test: all
+    /* typescript
+     * export declare function optimizeCb(fn: Function, ctx: any, argCount?: number): Function;
      */
 
     /* dependencies
      * isUndef 
      */
 
-    function exports(fn, ctx, argCount) {
+    exports = function exports(fn, ctx, argCount) {
         if (isUndef(ctx)) return fn;
 
         switch (argCount == null ? 3 : argCount) {
@@ -1099,10 +1075,12 @@ export var optimizeCb = _.optimizeCb = (function () {
                 return function(val) {
                     return fn.call(ctx, val);
                 };
+
             case 3:
                 return function(val, idx, collection) {
                     return fn.call(ctx, val, idx, collection);
                 };
+
             case 4:
                 return function(accumulator, val, idx, collection) {
                     return fn.call(ctx, accumulator, val, idx, collection);
@@ -1112,14 +1090,50 @@ export var optimizeCb = _.optimizeCb = (function () {
         return function() {
             return fn.apply(ctx, arguments);
         };
-    }
+    };
 
     return exports;
-})();
+})({});
+
+/* ------------------------------ types ------------------------------ */
+
+export var types = _.types = (function (exports) {
+    /* Used for typescript definitions only.
+     */
+
+    /* typescript
+     * export declare namespace types {
+     *     interface Collection<T> {}
+     *     interface List<T> extends Collection<T> {
+     *         [index: number]: T;
+     *         length: number;
+     *     }
+     *     interface ListIterator<T, TResult> {
+     *         (value: T, index: number, list: List<T>): TResult;
+     *     }
+     *     interface Dictionary<T> extends Collection<T> {
+     *         [index: string]: T;
+     *     }
+     *     interface ObjectIterator<T, TResult> {
+     *         (element: T, key: string, list: Dictionary<T>): TResult;
+     *     }
+     *     interface MemoIterator<T, TResult> {
+     *         (prev: TResult, curr: T, index: number, list: List<T>): TResult;
+     *     }
+     *     interface MemoObjectIterator<T, TResult> {
+     *         (prev: TResult, curr: T, key: string, list: Dictionary<T>): TResult;
+     *     }
+     * }
+     * export declare const types: {}
+     */
+    exports = {};
+
+    return exports;
+})({});
 
 /* ------------------------------ endWith ------------------------------ */
 
-export var endWith = _.endWith = (function () {
+export var endWith = _.endWith = (function (exports) {
     /* Check if string ends with the given target string.
      *
      * |Name  |Type   |Desc                           |
@@ -1127,53 +1141,49 @@ export var endWith = _.endWith = (function () {
      * |str   |string |The string to search           |
      * |suffix|string |String suffix                  |
      * |return|boolean|True if string ends with target|
-     *
-     * ```javascript
+     */
+
+    /* example
      * endWith('ab', 'b'); // -> true
-     * ```
      */
 
-    /* module
-     * env: all
-     * test: all
+    /* typescript
+     * export declare function endWith(str: string, suffix: string): boolean;
      */
-
-    function exports(str, suffix) {
+    exports = function exports(str, suffix) {
         var idx = str.length - suffix.length;
-
         return idx >= 0 && str.indexOf(suffix, idx) === idx;
-    }
+    };
 
     return exports;
-})();
+})({});
 
 /* ------------------------------ escape ------------------------------ */
 
-export var escape = _.escape = (function () {
+export var escape = _.escape = (function (exports) {
     /* Escapes a string for insertion into HTML, replacing &, <, >, ", `, and ' characters.
      *
      * |Name  |Type  |Desc            |
      * |------|------|----------------|
      * |str   |string|String to escape|
      * |return|string|Escaped string  |
-     *
-     * ```javascript
-     * escape('You & Me'); -> // -> 'You &amp; Me'
-     * ```
      */
 
-    /* module
-     * env: all
-     * test: all
+    /* example
+     * escape('You & Me'); // -> 'You &amp; Me'
+     */
+
+    /* typescript
+     * export declare function escape(str: string): string;
      */
 
     /* dependencies
      * keys 
      */
 
-    function exports(str) {
+    exports = function exports(str) {
         return regTest.test(str) ? str.replace(regReplace, replaceFn) : str;
-    }
+    };
 
     var map = (exports.map = {
         '&': '&amp;',
@@ -1183,7 +1193,6 @@ export var escape = _.escape = (function () {
         "'": '&#x27;',
         '`': '&#x60;'
     });
-
     var regSrc = '(?:' + keys(map).join('|') + ')',
         regTest = new RegExp(regSrc),
         regReplace = new RegExp(regSrc, 'g');
@@ -1193,11 +1202,11 @@ export var escape = _.escape = (function () {
     }
 
     return exports;
-})();
+})({});
 
 /* ------------------------------ escapeJsStr ------------------------------ */
 
-export var escapeJsStr = _.escapeJsStr = (function () {
+export var escapeJsStr = _.escapeJsStr = (function (exports) {
     /* Escape string to be a valid JavaScript string literal between quotes.
      *
      * http://www.ecma-international.org/ecma-262/5.1/#sec-7.8.4
@@ -1206,50 +1215,53 @@ export var escapeJsStr = _.escapeJsStr = (function () {
      * |------|------|----------------|
      * |str   |string|String to escape|
      * |return|string|Escaped string  |
-     * 
-     * ```javascript
-     * escapeJsStr('\"\n'); // -> '\\"\\\\n'
-     * ```
      */
 
-    /* module
-     * env: all
-     * test: all
+    /* example
+     * escapeJsStr('\"\n'); // -> '\\"\\\\n'
+     */
+
+    /* typescript
+     * export declare function escapeJsStr(str: string): string;
      */
 
     /* dependencies
      * toStr 
      */
 
-    function exports(str) {
-        return toStr(str).replace(regEscapeChars, function(char) {
-            switch (char) {
+    exports = function exports(str) {
+        return toStr(str).replace(regEscapeChars, function(_char) {
+            switch (_char) {
                 case '"':
                 case "'":
                 case '\\':
-                    return '\\' + char;
+                    return '\\' + _char;
+
                 case '\n':
                     return '\\n';
+
                 case '\r':
                     return '\\r';
                 // Line separator
+
                 case '\u2028':
                     return '\\u2028';
                 // Paragraph separator
+
                 case '\u2029':
                     return '\\u2029';
             }
         });
-    }
+    };
 
     var regEscapeChars = /["'\\\n\r\u2028\u2029]/g;
 
     return exports;
-})();
+})({});
 
 /* ------------------------------ escapeJsonStr ------------------------------ */
 
-export var escapeJsonStr = _.escapeJsonStr = (function () {
+export var escapeJsonStr = _.escapeJsonStr = (function (exports) {
     /* Escape json string.
      */
 
@@ -1264,76 +1276,70 @@ export var escapeJsonStr = _.escapeJsonStr = (function () {
     }
 
     return exports;
-})();
+})({});
 
 /* ------------------------------ escapeRegExp ------------------------------ */
 
-export var escapeRegExp = _.escapeRegExp = (function () {
+export var escapeRegExp = _.escapeRegExp = (function (exports) {
     /* Escape special chars to be used as literals in RegExp constructors.
      *
      * |Name  |Type  |Desc            |
      * |------|------|----------------|
      * |str   |string|String to escape|
      * |return|string|Escaped string  |
-     *
-     * ```javascript
+     */
+
+    /* example
      * escapeRegExp('[licia]'); // -> '\\[licia\\]'
-     * ```
      */
 
-    /* module
-     * env: all
-     * test: all
+    /* typescript
+     * export declare function escapeRegExp(str: string): string;
      */
-
-    function exports(str) {
+    exports = function exports(str) {
         return str.replace(/\W/g, '\\$&');
-    }
+    };
 
     return exports;
-})();
+})({});
 
 /* ------------------------------ fileSize ------------------------------ */
 
-export var fileSize = _.fileSize = (function () {
+export var fileSize = _.fileSize = (function (exports) {
     /* Turn bytes into human readable file size.
-     * 
+     *
      * |Name  |Type  |Desc              |
      * |------|------|------------------|
      * |bytes |number|File bytes        |
      * |return|string|Readable file size|
-     * 
-     * ```javascript
+     */
+
+    /* example
      * fileSize(5); // -> '5'
      * fileSize(1500); // -> '1.46K'
      * fileSize(1500000); // -> '1.43M'
      * fileSize(1500000000); // -> '1.4G'
      * fileSize(1500000000000); // -> '1.36T'
-     * ```
      */
 
-    /* module
-     * env: all
-     * test: all
+    /* typescript
+     * export declare function fileSize(bytes: number): string;
      */
-
-    function exports(bytes) {
+    exports = function exports(bytes) {
         if (bytes <= 0) return '0';
-
         var suffixIdx = Math.floor(Math.log(bytes) / Math.log(1024)),
             val = bytes / Math.pow(2, suffixIdx * 10);
-
         return +val.toFixed(2) + suffixList[suffixIdx];
-    }
+    };
 
     var suffixList = ['', 'K', 'M', 'G', 'T'];
 
     return exports;
-})();
+})({});
 
 /* ------------------------------ fullUrl ------------------------------ */
 
-export var fullUrl = _.fullUrl = (function () {
+export var fullUrl = _.fullUrl = (function (exports) {
     /* Add origin to url if needed.
      */
 
@@ -1348,40 +1354,37 @@ export var fullUrl = _.fullUrl = (function () {
     }
 
     return exports;
-})();
+})({});
 
 /* ------------------------------ upperFirst ------------------------------ */
 
-export var upperFirst = _.upperFirst = (function () {
+export var upperFirst = _.upperFirst = (function (exports) {
     /* Convert the first character of string to upper case.
      *
      * |Name  |Type  |Desc             |
      * |------|------|-----------------|
      * |str   |string|String to convert|
      * |return|string|Converted string |
-     *
-     * ```javascript
+     */
+
+    /* example
      * upperFirst('red'); // -> Red
-     * ```
      */
 
-    /* module
-     * env: all
-     * test: all
+    /* typescript
+     * export declare function upperFirst(str: string): string;
      */
-
-    function exports(str) {
+    exports = function exports(str) {
         if (str.length < 1) return str;
-
         return str[0].toUpperCase() + str.slice(1);
-    }
+    };
 
     return exports;
-})();
+})({});
 
 /* ------------------------------ getObjType ------------------------------ */
 
-export var getObjType = _.getObjType = (function () {
+export var getObjType = _.getObjType = (function (exports) {
     /* Get object type.
      */
 
@@ -1396,96 +1399,91 @@ export var getObjType = _.getObjType = (function () {
     }
 
     return exports;
-})();
+})({});
 
 /* ------------------------------ identity ------------------------------ */
 
-export var identity = _.identity = (function () {
+export var identity = _.identity = (function (exports) {
     /* Return the first argument given.
      *
      * |Name  |Type|Desc       |
      * |------|----|-----------|
      * |val   |*   |Any value  |
      * |return|*   |Given value|
-     *
-     * ```javascript
+     */
+
+    /* example
      * identity('a'); // -> 'a'
-     * ```
      */
 
-    /* module
-     * env: all
-     * test: all
+    /* typescript
+     * export declare function identity<T>(val: T): T;
      */
-
-    function exports(val) {
+    exports = function exports(val) {
         return val;
-    }
+    };
 
     return exports;
-})();
+})({});
 
 /* ------------------------------ objToStr ------------------------------ */
 
-export var objToStr = _.objToStr = (function () {
+export var objToStr = _.objToStr = (function (exports) {
     /* Alias of Object.prototype.toString.
      *
      * |Name  |Type  |Desc                                |
      * |------|------|------------------------------------|
-     * |value |*     |Source value                        |
+     * |val   |*     |Source value                        |
      * |return|string|String representation of given value|
-     * 
-     * ```javascript
+     */
+
+    /* example
      * objToStr(5); // -> '[object Number]'
-     * ```
      */
 
-    /* module
-     * env: all
-     * test: all
+    /* typescript
+     * export declare function objToStr(val: any): string;
      */
-
     var ObjToStr = Object.prototype.toString;
 
-    function exports(val) {
+    exports = function exports(val) {
         return ObjToStr.call(val);
-    }
+    };
 
     return exports;
-})();
+})({});
 
 /* ------------------------------ isArgs ------------------------------ */
 
-export var isArgs = _.isArgs = (function () {
+export var isArgs = _.isArgs = (function (exports) {
     /* Check if value is classified as an arguments object.
      *
      * |Name  |Type   |Desc                                |
      * |------|-------|------------------------------------|
      * |val   |*      |Value to check                      |
      * |return|boolean|True if value is an arguments object|
-     *
-     * ```javascript
+     */
+
+    /* example
      * (function () {
      *     isArgs(arguments); // -> true
      * })();
-     * ```
      */
 
-    /* module
-     * env: all
-     * test: all
+    /* typescript
+     * export declare function isArgs(val: any): boolean;
      */
 
     /* dependencies
      * objToStr 
      */
 
-    function exports(val) {
+    exports = function exports(val) {
         return objToStr(val) === '[object Arguments]';
-    }
+    };
 
     return exports;
-})();
+})({});
 
 /* ------------------------------ isArr ------------------------------ */
 
@@ -1496,16 +1494,15 @@ export var isArr = _.isArr = (function (exports) {
      * |------|-------|----------------------------------|
      * |val   |*      |Value to check                    |
      * |return|boolean|True if value is an `Array` object|
-     *
-     * ```javascript
-     * isArr([]); // -> true
-     * isArr({}); // -> false
-     * ```
      */
 
-    /* module
-     * env: all
-     * test: all
+    /* example
+     * isArr([]); // -> true
+     * isArr({}); // -> false
+     */
+
+    /* typescript
+     * export declare function isArr(val: any): boolean;
      */
 
     /* dependencies
@@ -1523,55 +1520,50 @@ export var isArr = _.isArr = (function (exports) {
 
 /* ------------------------------ castPath ------------------------------ */
 
-export var castPath = _.castPath = (function () {
+export var castPath = _.castPath = (function (exports) {
     /* Cast value into a property path array.
      *
-     * |Name  |Type  |Desc               |
-     * |------|------|-------------------|
-     * |str   |*     |Value to inspect   |
-     * |[obj] |object|Object to query    |
-     * |return|array |Property path array|
-     * 
-     * ```javascript
+     * |Name  |Type        |Desc               |
+     * |------|------------|-------------------|
+     * |path  |string array|Value to inspect   |
+     * |[obj] |object      |Object to query    |
+     * |return|array       |Property path array|
+     */
+
+    /* example
      * castPath('a.b.c'); // -> ['a', 'b', 'c']
      * castPath(['a']); // -> ['a']
      * castPath('a[0].b'); // -> ['a', '0', 'b']
      * castPath('a.b.c', {'a.b.c': true}); // -> ['a.b.c']
-     * ```
      */
 
-    /* module
-     * env: all
-     * test: all
+    /* typescript
+     * export declare function castPath(path: string | string[], obj?: any): string[];
      */
 
     /* dependencies
      * has isArr 
      */
 
-    function exports(str, obj) {
+    exports = function exports(str, obj) {
         if (isArr(str)) return str;
         if (obj && has(obj, str)) return [str];
-
         var ret = [];
-
         str.replace(regPropName, function(match, number, quote, str) {
             ret.push(quote ? str.replace(regEscapeChar, '$1') : number || match);
         });
-
         return ret;
-    }
+    }; // Lodash _stringToPath
 
-    // Lodash _stringToPath
     var regPropName = /[^.[\]]+|\[(?:(-?\d+(?:\.\d+)?)|(["'])((?:(?!\2)[^\\]|\\.)*?)\2)\]|(?=(?:\.|\[\])(?:\.|\[\]|$))/g,
         regEscapeChar = /\\(\\)?/g;
 
     return exports;
-})();
+})({});
 
 /* ------------------------------ safeGet ------------------------------ */
 
-export var safeGet = _.safeGet = (function () {
+export var safeGet = _.safeGet = (function (exports) {
     /* Get object property, don't throw undefined error.
      *
      * |Name  |Type        |Desc                     |
@@ -1579,30 +1571,28 @@ export var safeGet = _.safeGet = (function () {
      * |obj   |object      |Object to query          |
      * |path  |array string|Path of property to get  |
      * |return|*           |Target value or undefined|
-     *
-     * ```javascript
+     */
+
+    /* example
      * var obj = {a: {aa: {aaa: 1}}};
      * safeGet(obj, 'a.aa.aaa'); // -> 1
      * safeGet(obj, ['a', 'aa']); // -> {aaa: 1}
      * safeGet(obj, 'a.b'); // -> undefined
-     * ```
      */
 
-    /* module
-     * env: all
-     * test: all
+    /* typescript
+     * export declare function safeGet(obj: any, path: string | string[]): any;
      */
 
     /* dependencies
      * isUndef castPath 
      */
 
-    function exports(obj, path) {
+    exports = function exports(obj, path) {
         path = castPath(path, obj);
-
         var prop;
-
         prop = path.shift();
+
         while (!isUndef(prop)) {
             obj = obj[prop];
             if (obj == null) return;
@@ -1610,45 +1600,44 @@ export var safeGet = _.safeGet = (function () {
         }
 
         return obj;
-    }
+    };
 
     return exports;
-})();
+})({});
 
 /* ------------------------------ isDate ------------------------------ */
 
-export var isDate = _.isDate = (function () {
+export var isDate = _.isDate = (function (exports) {
     /* Check if value is classified as a Date object.
      *
      * |Name  |Type   |Desc                          |
      * |------|-------|------------------------------|
      * |val   |*      |value to check                |
      * |return|boolean|True if value is a Date object|
-     *
-     * ```javascript
-     * isDate(new Date()); // -> true
-     * ```
      */
 
-    /* module
-     * env: all
-     * test: all
+    /* example
+     * isDate(new Date()); // -> true
+     */
+
+    /* typescript
+     * export declare function isDate(val: any): boolean;
      */
 
     /* dependencies
      * objToStr 
      */
 
-    function exports(val) {
+    exports = function exports(val) {
         return objToStr(val) === '[object Date]';
-    }
+    };
 
     return exports;
-})();
+})({});
 
 /* ------------------------------ isFn ------------------------------ */
 
-export var isFn = _.isFn = (function () {
+export var isFn = _.isFn = (function (exports) {
     /* Check if value is a function.
      *
      * |Name  |Type   |Desc                       |
@@ -1657,54 +1646,51 @@ export var isFn = _.isFn = (function () {
      * |return|boolean|True if value is a function|
      *
      * Generator function is also classified as true.
-     *
-     * ```javascript
-     * isFn(function() {}); // -> true
-     * isFn(function*() {}); // -> true
-     * ```
      */
 
-    /* module
-     * env: all
-     * test: all
+    /* example
+     * isFn(function() {}); // -> true
+     * isFn(function*() {}); // -> true
+     */
+
+    /* typescript
+     * export declare function isFn(val: any): boolean;
      */
 
     /* dependencies
      * objToStr 
      */
 
-    function exports(val) {
+    exports = function exports(val) {
         var objStr = objToStr(val);
-
         return (
             objStr === '[object Function]' ||
             objStr === '[object GeneratorFunction]'
         );
-    }
+    };
 
     return exports;
-})();
+})({});
 
 /* ------------------------------ isMiniProgram ------------------------------ */
 
 export var isMiniProgram = _.isMiniProgram = (function (exports) {
     /* Check if running in wechat mini program.
-     *
-     * ```javascript
-     * console.log(isMiniProgram); // -> true if running in mini program.
-     * ```
      */
 
-    /* module
-     * env: all
-     * test: all
+    /* example
+     * console.log(isMiniProgram); // -> true if running in mini program.
+     */
+
+    /* typescript
+     * export declare const isMiniProgram: boolean;
      */
 
     /* dependencies
      * isFn 
      */
-
     /* eslint-disable no-undef */
+
     exports = typeof wx !== 'undefined' && isFn(wx.openLocation);
 
     return exports;
@@ -1712,40 +1698,39 @@ export var isMiniProgram = _.isMiniProgram = (function (exports) {
 
 /* ------------------------------ isNum ------------------------------ */
 
-export var isNum = _.isNum = (function () {
+export var isNum = _.isNum = (function (exports) {
     /* Check if value is classified as a Number primitive or object.
      *
      * |Name  |Type   |Desc                                 |
      * |------|-------|-------------------------------------|
      * |val   |*      |Value to check                       |
      * |return|boolean|True if value is correctly classified|
-     * 
-     * ```javascript
+     */
+
+    /* example
      * isNum(5); // -> true
      * isNum(5.1); // -> true
      * isNum({}); // -> false
-     * ```
      */
 
-    /* module
-     * env: all
-     * test: all
+    /* typescript
+     * export declare function isNum(val: any): boolean;
      */
 
     /* dependencies
      * objToStr 
      */
 
-    function exports(val) {
+    exports = function exports(val) {
         return objToStr(val) === '[object Number]';
-    }
+    };
 
     return exports;
-})();
+})({});
 
 /* ------------------------------ isArrLike ------------------------------ */
 
-export var isArrLike = _.isArrLike = (function () {
+export var isArrLike = _.isArrLike = (function (exports) {
     /* Check if value is array-like.
      *
      * |Name  |Type   |Desc                       |
@@ -1753,18 +1738,17 @@ export var isArrLike = _.isArrLike = (function () {
      * |val   |*      |Value to check             |
      * |return|boolean|True if value is array like|
      *
-     * > Function returns false.
-     *
-     * ```javascript
+     * Function returns false.
+     */
+
+    /* example
      * isArrLike('test'); // -> true
      * isArrLike(document.body.children); // -> true;
      * isArrLike([1, 2, 3]); // -> true
-     * ```
      */
 
-    /* module
-     * env: all
-     * test: all
+    /* typescript
+     * export declare function isArrLike(val: any): boolean;
      */
 
     /* dependencies
@@ -1773,65 +1757,73 @@ export var isArrLike = _.isArrLike = (function () {
 
     var MAX_ARR_IDX = Math.pow(2, 53) - 1;
 
-    function exports(val) {
+    exports = function exports(val) {
         if (!val) return false;
-
         var len = val.length;
-
         return isNum(len) && len >= 0 && len <= MAX_ARR_IDX && !isFn(val);
-    }
+    };
 
     return exports;
-})();
+})({});
 
 /* ------------------------------ each ------------------------------ */
 
-export var each = _.each = (function () {
-    /* Iterate over elements of collection and invokes iteratee for each element.
+export var each = _.each = (function (exports) {
+    /* Iterate over elements of collection and invokes iterator for each element.
      *
      * |Name    |Type        |Desc                          |
      * |--------|------------|------------------------------|
      * |obj     |object array|Collection to iterate over    |
-     * |iteratee|function    |Function invoked per iteration|
+     * |iterator|function    |Function invoked per iteration|
      * |[ctx]   |*           |Function context              |
-     *
-     * ```javascript
-     * each({'a': 1, 'b': 2}, function (val, key) {});
-     * ```
      */
 
-    /* module
-     * env: all
-     * test: all
+    /* example
+     * each({'a': 1, 'b': 2}, function (val, key) {});
+     */
+
+    /* typescript
+     * export declare function each<T>(
+     *     list: types.List<T>,
+     *     iterator: types.ListIterator<T, void>,
+     *     ctx?: any
+     * ): types.List<T>;
+     * export declare function each<T>(
+     *     object: types.Dictionary<T>,
+     *     iterator: types.ObjectIterator<T, void>,
+     *     ctx?: any
+     * ): types.Collection<T>;
      */
 
     /* dependencies
-     * isArrLike keys optimizeCb 
+     * isArrLike keys optimizeCb types 
      */
 
-    function exports(obj, iteratee, ctx) {
-        iteratee = optimizeCb(iteratee, ctx);
-
+    exports = function exports(obj, iterator, ctx) {
+        iterator = optimizeCb(iterator, ctx);
         var i, len;
 
         if (isArrLike(obj)) {
-            for (i = 0, len = obj.length; i < len; i++) iteratee(obj[i], i, obj);
+            for (i = 0, len = obj.length; i < len; i++) {
+                iterator(obj[i], i, obj);
+            }
         } else {
             var _keys = keys(obj);
+
             for (i = 0, len = _keys.length; i < len; i++) {
-                iteratee(obj[_keys[i]], _keys[i], obj);
+                iterator(obj[_keys[i]], _keys[i], obj);
             }
         }
 
         return obj;
-    }
+    };
 
     return exports;
-})();
+})({});
 
 /* ------------------------------ createAssigner ------------------------------ */
 
-export var createAssigner = _.createAssigner = (function () {
+export var createAssigner = _.createAssigner = (function (exports) {
     /* Used to create extend, extendOwn and defaults.
      *
      * |Name    |Type    |Desc                          |
@@ -1841,33 +1833,29 @@ export var createAssigner = _.createAssigner = (function () {
      * |return  |function|Result function, extend...    |
      */
 
-    /* module
-     * env: all
-     * test: all
+    /* typescript
+     * export declare function createAssigner(keysFn: Function, defaults: boolean): Function;
      */
 
     /* dependencies
      * isUndef each 
      */
 
-    function exports(keysFn, defaults) {
+    exports = function exports(keysFn, defaults) {
         return function(obj) {
             each(arguments, function(src, idx) {
                 if (idx === 0) return;
-
                 var keys = keysFn(src);
-
                 each(keys, function(key) {
                     if (!defaults || isUndef(obj[key])) obj[key] = src[key];
                 });
             });
-
             return obj;
         };
-    }
+    };
 
     return exports;
-})();
+})({});
 
 /* ------------------------------ defaults ------------------------------ */
 
@@ -1879,15 +1867,14 @@ export var defaults = _.defaults = (function (exports) {
      * |obj   |object|Destination object|
      * |*src  |object|Sources objects   |
      * |return|object|Destination object|
-     *
-     * ```javascript
-     * defaults({name: 'RedHood'}, {name: 'Unknown', age: 24}); // -> {name: 'RedHood', age: 24}
-     * ```
      */
 
-    /* module
-     * env: all
-     * test: all
+    /* example
+     * defaults({name: 'RedHood'}, {name: 'Unknown', age: 24}); // -> {name: 'RedHood', age: 24}
+     */
+
+    /* typescript
+     * export declare function defaults(obj: any, ...src: any[]): any;
      */
 
     /* dependencies
@@ -1904,20 +1891,19 @@ export var defaults = _.defaults = (function (exports) {
 export var extend = _.extend = (function (exports) {
     /* Copy all of the properties in the source objects over to the destination object.
      *
-     * |Name  |Type  |Desc              |
-     * |------|------|------------------|
-     * |obj   |object|Destination object|
-     * |...src|object|Sources objects   |
-     * |return|object|Destination object|
-     *
-     * ```javascript
-     * extend({name: 'RedHood'}, {age: 24}); // -> {name: 'RedHood', age: 24}
-     * ```
+     * |Name       |Type  |Desc              |
+     * |-----------|------|------------------|
+     * |destination|object|Destination object|
+     * |...sources |object|Sources objects   |
+     * |return     |object|Destination object|
      */
 
-    /* module
-     * env: all
-     * test: all
+    /* example
+     * extend({name: 'RedHood'}, {age: 24}); // -> {name: 'RedHood', age: 24}
+     */
+
+    /* typescript
+     * export declare function extend(destination: any, ...sources: any[]): any;
      */
 
     /* dependencies
@@ -1931,7 +1917,7 @@ export var extend = _.extend = (function (exports) {
 
 /* ------------------------------ clone ------------------------------ */
 
-export var clone = _.clone = (function () {
+export var clone = _.clone = (function (exports) {
     /* Create a shallow-copied clone of the provided plain object.
      *
      * Any nested objects or arrays will be copied by reference, not duplicated.
@@ -1940,49 +1926,46 @@ export var clone = _.clone = (function () {
      * |------|----|--------------|
      * |val   |*   |Value to clone|
      * |return|*   |Cloned value  |
-     *
-     * ```javascript
-     * clone({name: 'eustia'}); // -> {name: 'eustia'}
-     * ```
      */
 
-    /* module
-     * env: all
-     * test: all
+    /* example
+     * clone({name: 'eustia'}); // -> {name: 'eustia'}
+     */
+
+    /* typescript
+     * export declare function clone<T>(val: T): T;
      */
 
     /* dependencies
      * isObj isArr extend 
      */
 
-    function exports(obj) {
+    exports = function exports(obj) {
         if (!isObj(obj)) return obj;
-
         return isArr(obj) ? obj.slice() : extend({}, obj);
-    }
+    };
 
     return exports;
-})();
+})({});
 
 /* ------------------------------ extendOwn ------------------------------ */
 
 export var extendOwn = _.extendOwn = (function (exports) {
     /* Like extend, but only copies own properties over to the destination object.
      *
-     * |Name  |Type  |Desc              |
-     * |------|------|------------------|
-     * |obj   |object|Destination object|
-     * |*src  |object|Sources objects   |
-     * |return|object|Destination object|
-     *
-     * ```javascript
-     * extendOwn({name: 'RedHood'}, {age: 24}); // -> {name: 'RedHood', age: 24}
-     * ```
+     * |Name       |Type  |Desc              |
+     * |-----------|------|------------------|
+     * |destination|object|Destination object|
+     * |...sources |object|Sources objects   |
+     * |return     |object|Destination object|
      */
 
-    /* module
-     * env: all
-     * test: all
+    /* example
+     * extendOwn({name: 'RedHood'}, {age: 24}); // -> {name: 'RedHood', age: 24}
+     */
+
+    /* typescript
+     * export declare function extendOwn(destination: any, ...sources: any[]): any;
      */
 
     /* dependencies
@@ -1996,134 +1979,127 @@ export var extendOwn = _.extendOwn = (function (exports) {
 
 /* ------------------------------ values ------------------------------ */
 
-export var values = _.values = (function () {
+export var values = _.values = (function (exports) {
     /* Create an array of the own enumerable property values of object.
      *
      * |Name  |Type  |Desc                    |
      * |------|------|------------------------|
      * |obj   |object|Object to query         |
      * |return|array |Array of property values|
-     *
-     * ```javascript
-     * values({one: 1, two: 2}); // -> [1, 2]
-     * ```
      */
 
-    /* module
-     * env: all
-     * test: all
+    /* example
+     * values({one: 1, two: 2}); // -> [1, 2]
+     */
+
+    /* typescript
+     * export declare function values(obj: any): any[];
      */
 
     /* dependencies
      * each 
      */
 
-    function exports(obj) {
+    exports = function exports(obj) {
         var ret = [];
-
         each(obj, function(val) {
             ret.push(val);
         });
-
         return ret;
-    }
+    };
 
     return exports;
-})();
+})({});
 
 /* ------------------------------ contain ------------------------------ */
 
-export var contain = _.contain = (function () {
+export var contain = _.contain = (function (exports) {
     /* Check if the value is present in the list.
      *
      * |Name  |Type        |Desc                                |
      * |------|------------|------------------------------------|
-     * |array |array object|Target list                         |
+     * |target|array object|Target object                       |
      * |value |*           |Value to check                      |
      * |return|boolean     |True if value is present in the list|
-     *
-     * ```javascript
-     * contain([1, 2, 3], 1); // -> true
-     * contain({a: 1, b: 2}, 1); // -> true
-     * ```
      */
 
-    /* module
-     * env: all
-     * test: all
+    /* example
+     * contain([1, 2, 3], 1); // -> true
+     * contain({a: 1, b: 2}, 1); // -> true
+     */
+
+    /* typescript
+     * export declare function contain(arr: any[] | {}, val: any): boolean;
      */
 
     /* dependencies
      * idxOf isArrLike values 
      */
 
-    function exports(arr, val) {
+    exports = function exports(arr, val) {
         if (!isArrLike(arr)) arr = values(arr);
-
         return idxOf(arr, val) >= 0;
-    }
+    };
 
     return exports;
-})();
+})({});
 
 /* ------------------------------ isStr ------------------------------ */
 
-export var isStr = _.isStr = (function () {
+export var isStr = _.isStr = (function (exports) {
     /* Check if value is a string primitive.
      *
      * |Name  |Type   |Desc                               |
      * |------|-------|-----------------------------------|
      * |val   |*      |Value to check                     |
      * |return|boolean|True if value is a string primitive|
-     *
-     * ```javascript
-     * isStr('licia'); // -> true
-     * ```
      */
 
-    /* module
-     * env: all
-     * test: all
+    /* example
+     * isStr('licia'); // -> true
+     */
+
+    /* typescript
+     * export declare function isStr(val: any): boolean;
      */
 
     /* dependencies
      * objToStr 
      */
 
-    function exports(val) {
+    exports = function exports(val) {
         return objToStr(val) === '[object String]';
-    }
+    };
 
     return exports;
-})();
+})({});
 
 /* ------------------------------ isEmpty ------------------------------ */
 
-export var isEmpty = _.isEmpty = (function () {
+export var isEmpty = _.isEmpty = (function (exports) {
     /* Check if value is an empty object or array.
      *
      * |Name  |Type   |Desc                  |
      * |------|-------|----------------------|
      * |val   |*      |Value to check        |
      * |return|boolean|True if value is empty|
-     *
-     * ```javascript
+     */
+
+    /* example
      * isEmpty([]); // -> true
      * isEmpty({}); // -> true
      * isEmpty(''); // -> true
-     * ```
      */
 
-    /* module
-     * env: all
-     * test: all
+    /* typescript
+     * export declare function isEmpty(val: any): boolean;
      */
 
     /* dependencies
      * isArrLike isArr isStr isArgs keys 
      */
 
-    function exports(val) {
+    exports = function exports(val) {
         if (val == null) return true;
 
         if (isArrLike(val) && (isArr(val) || isStr(val) || isArgs(val))) {
@@ -2131,43 +2107,41 @@ export var isEmpty = _.isEmpty = (function () {
         }
 
         return keys(val).length === 0;
-    }
+    };
 
     return exports;
-})();
+})({});
 
 /* ------------------------------ isBool ------------------------------ */
 
-export var isBool = _.isBool = (function () {
+export var isBool = _.isBool = (function (exports) {
     /* Check if value is a boolean primitive.
      *
      * |Name  |Type   |Desc                      |
      * |------|-------|--------------------------|
      * |val   |*      |Value to check            |
      * |return|boolean|True if value is a boolean|
-     *
-     * ```javascript
+     */
+
+    /* example
      * isBool(true); // -> true
      * isBool(false); // -> true
      * isBool(1); // -> false
-     * ```
      */
 
-    /* module
-     * env: all
-     * test: all
+    /* typescript
+     * export declare function isBool(val: any): boolean;
      */
-
-    function exports(val) {
+    exports = function exports(val) {
         return val === true || val === false;
-    }
+    };
 
     return exports;
-})();
+})({});
 
 /* ------------------------------ startWith ------------------------------ */
 
-export var startWith = _.startWith = (function () {
+export var startWith = _.startWith = (function (exports) {
     /* Check if string starts with the given target string.
      *
      * |Name  |Type   |Desc                             |
@@ -2175,27 +2149,25 @@ export var startWith = _.startWith = (function () {
      * |str   |string |String to search                 |
      * |prefix|string |String prefix                    |
      * |return|boolean|True if string starts with prefix|
-     *
-     * ```javascript
+     */
+
+    /* example
      * startWith('ab', 'a'); // -> true
-     * ```
      */
 
-    /* module
-     * env: all
-     * test: all
+    /* typescript
+     * export declare function startWith(str: string, prefix: string): boolean;
      */
-
-    function exports(str, prefix) {
+    exports = function exports(str, prefix) {
         return str.indexOf(prefix) === 0;
-    }
+    };
 
     return exports;
-})();
+})({});
 
 /* ------------------------------ isCrossOrig ------------------------------ */
 
-export var isCrossOrig = _.isCrossOrig = (function () {
+export var isCrossOrig = _.isCrossOrig = (function (exports) {
     /* Check if a url is cross origin.
      */
 
@@ -2210,69 +2182,66 @@ export var isCrossOrig = _.isCrossOrig = (function () {
     }
 
     return exports;
-})();
+})({});
 
 /* ------------------------------ isEl ------------------------------ */
 
-export var isEl = _.isEl = (function () {
+export var isEl = _.isEl = (function (exports) {
     /* Check if value is a DOM element.
      *
      * |Name  |Type   |Desc                          |
      * |------|-------|------------------------------|
      * |val   |*      |Value to check                |
      * |return|boolean|True if value is a DOM element|
-     *
-     * ```javascript
+     */
+
+    /* example
      * isEl(document.body); // -> true
-     * ```
      */
 
-    /* module
-     * env: browser
-     * test: browser
+    /* typescript
+     * export declare function isEl(val: any): boolean;
      */
-
-    function exports(val) {
+    exports = function exports(val) {
         return !!(val && val.nodeType === 1);
-    }
+    };
 
     return exports;
-})();
+})({});
 
 /* ------------------------------ isErr ------------------------------ */
 
-export var isErr = _.isErr = (function () {
+export var isErr = _.isErr = (function (exports) {
     /* Check if value is an error.
      *
      * |Name  |Type   |Desc                     |
      * |------|-------|-------------------------|
      * |val   |*      |Value to check           |
      * |return|boolean|True if value is an error|
-     *
-     * ```javascript
-     * isErr(new Error()); // -> true
-     * ```
      */
 
-    /* module
-     * env: all
-     * test: all
+    /* example
+     * isErr(new Error()); // -> true
+     */
+
+    /* typescript
+     * export declare function isErr(val: any): boolean;
      */
 
     /* dependencies
      * objToStr 
      */
 
-    function exports(val) {
+    exports = function exports(val) {
         return objToStr(val) === '[object Error]';
-    }
+    };
 
     return exports;
-})();
+})({});
 
 /* ------------------------------ isErudaEl ------------------------------ */
 
-export var isErudaEl = _.isErudaEl = (function () {
+export var isErudaEl = _.isErudaEl = (function (exports) {
     /* See if an element is within eruda.
      */
 
@@ -2290,11 +2259,11 @@ export var isErudaEl = _.isErudaEl = (function () {
     }
 
     return exports;
-})();
+})({});
 
 /* ------------------------------ isMatch ------------------------------ */
 
-export var isMatch = _.isMatch = (function () {
+export var isMatch = _.isMatch = (function (exports) {
     /* Check if keys and values in src are contained in obj.
      *
      * |Name  |Type   |Desc                              |
@@ -2302,27 +2271,25 @@ export var isMatch = _.isMatch = (function () {
      * |obj   |object |Object to inspect                 |
      * |src   |object |Object of property values to match|
      * |return|boolean|True if object is match           |
-     *
-     * ```javascript
-     * isMatch({a: 1, b: 2}, {a: 1}); // -> true
-     * ```
      */
 
-    /* module
-     * env: all
-     * test: all
+    /* example
+     * isMatch({a: 1, b: 2}, {a: 1}); // -> true
+     */
+
+    /* typescript
+     * export declare function isMatch(obj: any, src: any): boolean;
      */
 
     /* dependencies
      * keys 
      */
 
-    function exports(obj, src) {
+    exports = function exports(obj, src) {
         var _keys = keys(src),
             len = _keys.length;
 
         if (obj == null) return !len;
-
         obj = Object(obj);
 
         for (var i = 0; i < len; i++) {
@@ -2331,14 +2298,14 @@ export var isMatch = _.isMatch = (function () {
         }
 
         return true;
-    }
+    };
 
     return exports;
-})();
+})({});
 
 /* ------------------------------ memoize ------------------------------ */
 
-export var memoize = _.memoize = (function () {
+export var memoize = _.memoize = (function (exports) {
     /* Memoize a given function by caching the computed result.
      *
      * |Name    |Type    |Desc                                |
@@ -2346,60 +2313,54 @@ export var memoize = _.memoize = (function () {
      * |fn      |function|Function to have its output memoized|
      * |[hashFn]|function|Function to create cache key        |
      * |return  |function|New memoized function               |
-     *
-     * ```javascript
-     * var fibonacci = memoize(function(n)
-     * {
-     *     return n < 2 ? n : fibonacci(n - 1) + fibonacci(n - 2);
-     * });
-     * ```
      */
 
-    /* module
-     * env: all
-     * test: all
+    /* example
+     * var fibonacci = memoize(function(n) {
+     *     return n < 2 ? n : fibonacci(n - 1) + fibonacci(n - 2);
+     * });
+     */
+
+    /* typescript
+     * export declare function memoize(fn: Function, hashFn?: Function): Function;
      */
 
     /* dependencies
      * has 
      */
 
-    function exports(fn, hashFn) {
-        var memoize = function(key) {
+    exports = function exports(fn, hashFn) {
+        var memoize = function memoize(key) {
             var cache = memoize.cache,
                 address = '' + (hashFn ? hashFn.apply(this, arguments) : key);
-
             if (!has(cache, address)) cache[address] = fn.apply(this, arguments);
-
             return cache[address];
         };
 
         memoize.cache = {};
-
         return memoize;
-    }
+    };
 
     return exports;
-})();
+})({});
 
 /* ------------------------------ isMobile ------------------------------ */
 
 export var isMobile = _.isMobile = (function (exports) {
     /* Check whether client is using a mobile browser using ua.
      *
-     * |Name                    |Type   |Desc                                 |
-     * |------------------------|-------|-------------------------------------|
-     * |[ua=navigator.userAgent]|string |User agent                           |
-     * |return                  |boolean|True if ua belongs to mobile browsers|
-     *
-     * ```javascript
-     * isMobile(navigator.userAgent);
-     * ```
+     * |Name                  |Type   |Desc                                 |
+     * |----------------------|-------|-------------------------------------|
+     * |ua=navigator.userAgent|string |User agent                           |
+     * |return                |boolean|True if ua belongs to mobile browsers|
      */
 
-    /* module
-     * env: all
-     * test: all
+    /* example
+     * isMobile(navigator.userAgent);
+     */
+
+    /* typescript
+     * export declare function isMobile(ua?: string): boolean;
      */
 
     /* dependencies
@@ -2408,10 +2369,8 @@ export var isMobile = _.isMobile = (function (exports) {
 
     var regMobileAll = /(android|bb\d+|meego).+mobile|avantgo|bada\/|blackberry|blazer|compal|elaine|fennec|hiptop|iemobile|ip(hone|od)|iris|kindle|lge |maemo|midp|mmp|mobile.+firefox|netfront|opera m(ob|in)i|palm( os)?|phone|p(ixi|re)\/|plucker|pocket|psp|series(4|6)0|symbian|treo|up\.(browser|link)|vodafone|wap|windows ce|xda|xiino/i,
         regMobileFour = /1207|6310|6590|3gso|4thp|50[1-6]i|770s|802s|a wa|abac|ac(er|oo|s-)|ai(ko|rn)|al(av|ca|co)|amoi|an(ex|ny|yw)|aptu|ar(ch|go)|as(te|us)|attw|au(di|-m|r |s )|avan|be(ck|ll|nq)|bi(lb|rd)|bl(ac|az)|br(e|v)w|bumb|bw-(n|u)|c55\/|capi|ccwa|cdm-|cell|chtm|cldc|cmd-|co(mp|nd)|craw|da(it|ll|ng)|dbte|dc-s|devi|dica|dmob|do(c|p)o|ds(12|-d)|el(49|ai)|em(l2|ul)|er(ic|k0)|esl8|ez([4-7]0|os|wa|ze)|fetc|fly(-|_)|g1 u|g560|gene|gf-5|g-mo|go(\.w|od)|gr(ad|un)|haie|hcit|hd-(m|p|t)|hei-|hi(pt|ta)|hp( i|ip)|hs-c|ht(c(-| |_|a|g|p|s|t)|tp)|hu(aw|tc)|i-(20|go|ma)|i230|iac( |-|\/)|ibro|idea|ig01|ikom|im1k|inno|ipaq|iris|ja(t|v)a|jbro|jemu|jigs|kddi|keji|kgt( |\/)|klon|kpt |kwc-|kyo(c|k)|le(no|xi)|lg( g|\/(k|l|u)|50|54|-[a-w])|libw|lynx|m1-w|m3ga|m50\/|ma(te|ui|xo)|mc(01|21|ca)|m-cr|me(rc|ri)|mi(o8|oa|ts)|mmef|mo(01|02|bi|de|do|t(-| |o|v)|zz)|mt(50|p1|v )|mwbp|mywa|n10[0-2]|n20[2-3]|n30(0|2)|n50(0|2|5)|n7(0(0|1)|10)|ne((c|m)-|on|tf|wf|wg|wt)|nok(6|i)|nzph|o2im|op(ti|wv)|oran|owg1|p800|pan(a|d|t)|pdxg|pg(13|-([1-8]|c))|phil|pire|pl(ay|uc)|pn-2|po(ck|rt|se)|prox|psio|pt-g|qa-a|qc(07|12|21|32|60|-[2-7]|i-)|qtek|r380|r600|raks|rim9|ro(ve|zo)|s55\/|sa(ge|ma|mm|ms|ny|va)|sc(01|h-|oo|p-)|sdk\/|se(c(-|0|1)|47|mc|nd|ri)|sgh-|shar|sie(-|m)|sk-0|sl(45|id)|sm(al|ar|b3|it|t5)|so(ft|ny)|sp(01|h-|v-|v )|sy(01|mb)|t2(18|50)|t6(00|10|18)|ta(gt|lk)|tcl-|tdg-|tel(i|m)|tim-|t-mo|to(pl|sh)|ts(70|m-|m3|m5)|tx-9|up(\.b|g1|si)|utst|v400|v750|veri|vi(rg|te)|vk(40|5[0-3]|-v)|vm40|voda|vulc|vx(52|53|60|61|70|80|81|83|85|98)|w3c(-| )|webc|whit|wi(g |nc|nw)|wmlb|wonu|x700|yas-|your|zeto|zte-/i;
-
     exports = memoize(function(ua) {
         ua = ua || (isBrowser ? navigator.userAgent : '');
-
         return regMobileAll.test(ua) || regMobileFour.test(ua.substr(0, 4));
     });
 
@@ -2427,21 +2386,23 @@ export var prefix = _.prefix = (function (exports) {
      * |------|------|----------------------|
      * |name  |string|Property name         |
      * |return|string|Prefixed property name|
-     * 
+     *
      * ### dash
-     * 
+     *
      * Create a dasherize version.
-     * 
-     * ```javascript
+     */
+
+    /* example
      * prefix('text-emphasis'); // -> 'WebkitTextEmphasis'
      * prefix.dash('text-emphasis'); // -> '-webkit-text-emphasis'
      * prefix('color'); // -> 'color'
-     * ```
      */
 
-    /* module
-     * env: browser
-     * test: browser
+    /* typescript
+     * export declare namespace prefix {
+     *     function dash(name: string): string;
+     * }
+     * export declare function prefix(name: string): string;
      */
 
     /* dependencies
@@ -2451,10 +2412,9 @@ export var prefix = _.prefix = (function (exports) {
     exports = memoize(function(name) {
         name = name.replace(regPrefixes, '');
         name = camelCase(name);
-
         if (has(style, name)) return name;
-
         var i = prefixes.length;
+
         while (i--) {
             var prefixName = prefixes[i] + upperFirst(name);
             if (has(style, prefixName)) return prefixName;
@@ -2462,16 +2422,13 @@ export var prefix = _.prefix = (function (exports) {
 
         return name;
     });
-
     exports.dash = memoize(function(name) {
         var camelCaseResult = exports(name);
-
         return (
             (regPrefixes.test(camelCaseResult) ? '-' : '') +
             kebabCase(camelCaseResult)
         );
     });
-
     var prefixes = ['O', 'ms', 'Moz', 'Webkit'],
         regPrefixes = /^(O)|(ms)|(Moz)|(Webkit)|(-o-)|(-ms-)|(-moz-)|(-webkit-)/g,
         style = document.createElement('p').style;
@@ -2481,7 +2438,7 @@ export var prefix = _.prefix = (function (exports) {
 
 /* ------------------------------ isNaN ------------------------------ */
 
-export var isNaN = _.isNaN = (function () {
+export var isNaN = _.isNaN = (function (exports) {
     /* Check if value is an NaN.
      *
      * |Name  |Type   |Desc                   |
@@ -2490,87 +2447,83 @@ export var isNaN = _.isNaN = (function () {
      * |return|boolean|True if value is an NaN|
      *
      * Undefined is not an NaN, different from global isNaN function.
-     *
-     * ```javascript
-     * isNaN(0); // -> false
-     * isNaN(NaN); // -> true
-     * ```
      */
 
-    /* module
-     * env: all
-     * test: all
+    /* example
+     * isNaN(0); // -> false
+     * isNaN(NaN); // -> true
+     */
+
+    /* typescript
+     * export declare function isNaN(val: any): boolean;
      */
 
     /* dependencies
      * isNum 
      */
 
-    function exports(val) {
+    exports = function exports(val) {
         return isNum(val) && val !== +val;
-    }
+    };
 
     return exports;
-})();
+})({});
 
 /* ------------------------------ isNil ------------------------------ */
 
-export var isNil = _.isNil = (function () {
+export var isNil = _.isNil = (function (exports) {
     /* Check if value is null or undefined, the same as value == null.
-     * 
+     *
      * |Name  |Type   |Desc                              |
      * |------|-------|----------------------------------|
      * |val   |*      |Value to check                    |
      * |return|boolean|True if value is null or undefined|
-     * 
-     * ```javascript
+     */
+
+    /* example
      * isNil(null); // -> true
      * isNil(void 0); // -> true
      * isNil(undefined); // -> true
      * isNil(false); // -> false
      * isNil(0); // -> false
      * isNil([]); // -> false
-     * ```
      */
 
-    /* module
-     * env: all
-     * test: all
+    /* typescript
+     * export declare function isNil(val: any): boolean;
      */
-
-    function exports(val) {
+    exports = function exports(val) {
         return val == null;
-    }
+    };
 
     return exports;
-})();
+})({});
 
 /* ------------------------------ toSrc ------------------------------ */
 
-export var toSrc = _.toSrc = (function () {
+export var toSrc = _.toSrc = (function (exports) {
     /* Convert function to its source code.
-     * 
+     *
      * |Name  |Type    |Desc               |
      * |------|--------|-------------------|
      * |fn    |function|Function to convert|
      * |return|string  |Source code        |
-     * 
-     * ```javascript
-     * toSrc(Math.min); // -> 'function min() { [native code] }'
-     * toSrc(function () {}) // -> 'function () { }'
-     * ```
      */
 
-    /* module
-     * env: all
-     * test: all
+    /* example
+     * toSrc(Math.min); // -> 'function min() { [native code] }'
+     * toSrc(function () {}) // -> 'function () { }'
+     */
+
+    /* typescript
+     * export declare function toSrc(fn: Function): string;
      */
 
     /* dependencies
      * isNil 
      */
 
-    function exports(fn) {
+    exports = function exports(fn) {
         if (isNil(fn)) return '';
 
         try {
@@ -2584,49 +2537,45 @@ export var toSrc = _.toSrc = (function () {
         } catch (e) {}
 
         return '';
-    }
+    };
 
     var fnToStr = Function.prototype.toString;
 
     return exports;
-})();
+})({});
 
 /* ------------------------------ isNative ------------------------------ */
 
-export var isNative = _.isNative = (function () {
+export var isNative = _.isNative = (function (exports) {
     /* Check if value is a native function.
-     * 
+     *
      * |Name  |Type   |Desc                              |
      * |------|-------|----------------------------------|
      * |val   |*      |Value to check                    |
      * |return|boolean|True if value is a native function|
-     * 
-     * ```javascript
-     * isNative(function () {}); // -> false
-     * isNative(Math.min); // -> true
-     * ```
      */
 
-    /* module
-     * env: all
-     * test: all
+    /* example
+     * isNative(function () {}); // -> false
+     * isNative(Math.min); // -> true
+     */
+
+    /* typescript
+     * export declare function isNative(val: any): boolean;
      */
 
     /* dependencies
      * isObj isFn toSrc 
      */
 
-    function exports(val) {
+    exports = function exports(val) {
         if (!isObj(val)) return false;
+        if (isFn(val)) return regIsNative.test(toSrc(val)); // Detect host constructors (Safari > 4; really typed array specific)
 
-        if (isFn(val)) return regIsNative.test(toSrc(val));
-
-        // Detect host constructors (Safari > 4; really typed array specific)
         return regIsHostCtor.test(toSrc(val));
-    }
+    };
 
     var hasOwnProperty = Object.prototype.hasOwnProperty;
-
     var regIsNative = new RegExp(
         '^' +
             toSrc(hasOwnProperty)
@@ -2637,109 +2586,103 @@ export var isNative = _.isNative = (function () {
                 ) +
             '$'
     );
-
     var regIsHostCtor = /^\[object .+?Constructor\]$/;
 
     return exports;
-})();
+})({});
 
 /* ------------------------------ isNull ------------------------------ */
 
-export var isNull = _.isNull = (function () {
+export var isNull = _.isNull = (function (exports) {
     /* Check if value is an Null.
      *
      * |Name  |Type   |Desc                    |
      * |------|-------|------------------------|
      * |val   |*      |Value to check          |
      * |return|boolean|True if value is an Null|
-     *
-     * ```javascript
+     */
+
+    /* example
      * isNull(null); // -> true
-     * ```
      */
 
-    /* module
-     * env: all
-     * test: all
+    /* typescript
+     * export declare function isNull(val: any): boolean;
      */
-
-    function exports(val) {
+    exports = function exports(val) {
         return val === null;
-    }
+    };
 
     return exports;
-})();
+})({});
 
 /* ------------------------------ isRegExp ------------------------------ */
 
-export var isRegExp = _.isRegExp = (function () {
+export var isRegExp = _.isRegExp = (function (exports) {
     /* Check if value is a regular expression.
      *
      * |Name  |Type   |Desc                                 |
      * |------|-------|-------------------------------------|
      * |val   |*      |Value to check                       |
      * |return|boolean|True if value is a regular expression|
-     *
-     * ```javascript
-     * isRegExp(/a/); // -> true
-     * ```
      */
 
-    /* module
-     * env: all
-     * test: all
+    /* example
+     * isRegExp(/a/); // -> true
+     */
+
+    /* typescript
+     * export declare function isRegExp(val: any): boolean;
      */
 
     /* dependencies
      * objToStr 
      */
 
-    function exports(val) {
+    exports = function exports(val) {
         return objToStr(val) === '[object RegExp]';
-    }
+    };
 
     return exports;
-})();
+})({});
 
 /* ------------------------------ loadJs ------------------------------ */
 
-export var loadJs = _.loadJs = (function () {
+export var loadJs = _.loadJs = (function (exports) {
     /* Inject script tag into page with given src value.
      *
      * |Name|Type    |Desc           |
      * |----|--------|---------------|
      * |src |string  |Script source  |
      * |cb  |function|Onload callback|
-     *
-     * ```javascript
-     * loadJs('main.js', function (isLoaded)
-     * {
+     */
+
+    /* example
+     * loadJs('main.js', function (isLoaded) {
      *     // Do something...
      * });
-     * ```
      */
 
-    /* module
-     * env: browser
-     * test: browser
+    /* typescript
+     * export declare function loadJs(src: string, cb?: Function): void;
      */
-
-    function exports(src, cb) {
+    exports = function exports(src, cb) {
         var script = document.createElement('script');
         script.src = src;
+
         script.onload = function() {
             var isNotLoaded =
                 script.readyState &&
                 script.readyState != 'complete' &&
                 script.readyState != 'loaded';
-
             cb && cb(!isNotLoaded);
         };
+
         document.body.appendChild(script);
-    }
+    };
 
     return exports;
-})();
+})({});
 
 /* ------------------------------ repeat ------------------------------ */
 
@@ -2751,22 +2694,19 @@ export var repeat = _.repeat = (function (exports) {
      * |str   |string|String to repeat|
      * |n     |number|Repeat times    |
      * |return|string|Repeated string |
-     *
-     * ```javascript
+     */
+
+    /* example
      * repeat('a', 3); // -> 'aaa'
      * repeat('ab', 2); // -> 'abab'
      * repeat('*', 0); // -> ''
-     * ```
      */
 
-    /* module
-     * env: all
-     * test: all
+    /* typescript
+     * export declare function repeat(str: string, n: number): string;
      */
-
-    exports = function(str, n) {
+    exports = function exports(str, n) {
         var ret = '';
-
         if (n < 1) return '';
 
         while (n > 0) {
@@ -2783,7 +2723,7 @@ export var repeat = _.repeat = (function (exports) {
 
 /* ------------------------------ lpad ------------------------------ */
 
-export var lpad = _.lpad = (function () {
+export var lpad = _.lpad = (function (exports) {
     /* Pad string on the left side if it's shorter than length.
      *
      * |Name   |Type  |Desc                  |
@@ -2792,50 +2732,45 @@ export var lpad = _.lpad = (function () {
      * |len    |number|Padding length        |
      * |[chars]|string|String used as padding|
      * |return |string|Resulted string       |
-     *
-     * ```javascript
+     */
+
+    /* example
      * lpad('a', 5); // -> '    a'
      * lpad('a', 5, '-'); // -> '----a'
      * lpad('abc', 3, '-'); // -> 'abc'
      * lpad('abc', 5, 'ab'); // -> 'ababc'
-     * ```
      */
 
-    /* module
-     * env: all
-     * test: all
+    /* typescript
+     * export declare function lpad(str: string, len: number, chars?: string): string;
      */
 
     /* dependencies
      * repeat toStr 
      */
 
-    function exports(str, len, chars) {
+    exports = function exports(str, len, chars) {
         str = toStr(str);
-
         var strLen = str.length;
-
         chars = chars || ' ';
-
         if (strLen < len) str = (repeat(chars, len - strLen) + str).slice(-len);
-
         return str;
-    }
+    };
 
     return exports;
-})();
+})({});
 
 /* ------------------------------ dateFormat ------------------------------ */
 
-export var dateFormat = _.dateFormat = (function () {
+export var dateFormat = _.dateFormat = (function (exports) {
     /* Simple but extremely useful date format function.
      *
-     * |Name           |Type   |Desc                 |
-     * |---------------|-------|---------------------|
-     * |[date=new Date]|Date   |Date object to format|
-     * |mask           |string |Format mask          |
-     * |[utc=false]    |boolean|UTC or not           |
-     * |[gmt=false]    |boolean|GMT or not           |
+     * |Name         |Type   |Desc                 |
+     * |-------------|-------|---------------------|
+     * |date=new Date|Date   |Date object to format|
+     * |mask         |string |Format mask          |
+     * |utc=false    |boolean|UTC or not           |
+     * |gmt=false    |boolean|GMT or not           |
      *
      * |Mask|Description                                                      |
      * |----|-----------------------------------------------------------------|
@@ -2866,35 +2801,51 @@ export var dateFormat = _.dateFormat = (function () {
      * |o   |GMT/UTC timezone offset, e.g. -0500 or +0230                     |
      * |S   |The date's ordinal suffix (st, nd, rd, or th)                    |
      * |UTC:|Must be the first four characters of the mask                    |
-     *
-     * ```javascript
+     */
+
+    /* example
      * dateFormat('isoDate'); // -> 2016-11-19
      * dateFormat('yyyy-mm-dd HH:MM:ss'); // -> 2016-11-19 19:00:04
      * dateFormat(new Date(), 'yyyy-mm-dd'); // -> 2016-11-19
-     * ```
      */
 
-    /* module
-     * env: all
-     * test: all
+    /* typescript
+     * export declare function dateFormat(
+     *     date: Date,
+     *     mask: string,
+     *     utc?: boolean,
+     *     gmt?: boolean
+     * ): string;
+     * export declare function dateFormat(
+     *     mask: string,
+     *     utc?: boolean,
+     *     gmt?: boolean
+     * ): string;
      */
 
     /* dependencies
      * isStr isDate toStr lpad 
      */
 
-    function exports(date, mask, utc, gmt) {
+    exports = (function(_exports) {
+        function exports(_x, _x2, _x3, _x4) {
+            return _exports.apply(this, arguments);
+        }
+
+        exports.toString = function() {
+            return _exports.toString();
+        };
+
+        return exports;
+    })(function(date, mask, utc, gmt) {
         if (arguments.length === 1 && isStr(date) && !regNum.test(date)) {
             mask = date;
             date = undefined;
         }
 
         date = date || new Date();
-
         if (!isDate(date)) date = new Date(date);
-
         mask = toStr(exports.masks[mask] || mask || exports.masks['default']);
-
         var maskSlice = mask.slice(0, 4);
 
         if (maskSlice === 'UTC:' || maskSlice === 'GMT:') {
@@ -2941,10 +2892,10 @@ export var dateFormat = _.dateFormat = (function () {
                 Z: gmt
                     ? 'GMT'
                     : utc
-                        ? 'UTC'
-                        : (toStr(date).match(regTimezone) || [''])
-                              .pop()
-                              .replace(regTimezoneClip, ''),
+                    ? 'UTC'
+                    : (toStr(date).match(regTimezone) || [''])
+                          .pop()
+                          .replace(regTimezoneClip, ''),
                 o:
                     (o > 0 ? '-' : '+') +
                     padZero(
@@ -2955,13 +2906,11 @@ export var dateFormat = _.dateFormat = (function () {
                     d % 10 > 3 ? 0 : (((d % 100) - (d % 10) != 10) * d) % 10
                 ]
             };
-
         return mask.replace(regToken, function(match) {
             if (match in flags) return flags[match];
-
             return match.slice(1, match.length - 1);
         });
-    }
+    });
 
     function padZero(str, len) {
         return lpad(toStr(str), len || 2, '0');
@@ -2971,7 +2920,6 @@ export var dateFormat = _.dateFormat = (function () {
         regTimezone = /\b(?:[PMCEA][SDP]T|(?:Pacific|Mountain|Central|Eastern|Atlantic) (?:Standard|Daylight|Prevailing) Time|(?:GMT|UTC)(?:[-+]\d{4})?)\b/g,
         regNum = /\d/,
         regTimezoneClip = /[^-+\dA-Z]/g;
-
     exports.masks = {
         default: 'ddd mmm dd yyyy HH:MM:ss',
         shortDate: 'm/d/yy',
@@ -2987,7 +2935,6 @@ export var dateFormat = _.dateFormat = (function () {
         isoUtcDateTime: "UTC:yyyy-mm-dd'T'HH:MM:ss'Z'",
         expiresHeaderFormat: 'ddd, dd mmm yyyy HH:MM:ss Z'
     };
-
     exports.i18n = {
         dayNames: [
             'Sun',
@@ -3034,36 +2981,33 @@ export var dateFormat = _.dateFormat = (function () {
     };
 
     return exports;
-})();
+})({});
 
 /* ------------------------------ ltrim ------------------------------ */
 
-export var ltrim = _.ltrim = (function () {
+export var ltrim = _.ltrim = (function (exports) {
     /* Remove chars or white-spaces from beginning of string.
      *
-     * |Name  |Type        |Desc              |
-     * |------|------------|------------------|
-     * |str   |string      |String to trim    |
-     * |chars |string array|Characters to trim|
-     * |return|string      |Trimmed string    |
-     *
-     * ```javascript
+     * |Name   |Type        |Desc              |
+     * |-------|------------|------------------|
+     * |str    |string      |String to trim    |
+     * |[chars]|string array|Characters to trim|
+     * |return |string      |Trimmed string    |
+     */
+
+    /* example
      * ltrim(' abc  '); // -> 'abc  '
      * ltrim('_abc_', '_'); // -> 'abc_'
      * ltrim('_abc_', ['a', '_']); // -> 'bc_'
-     * ```
      */
 
-    /* module
-     * env: all
-     * test: all
+    /* typescript
+     * export declare function ltrim(str: string, chars?: string | string[]): string;
      */
-
     var regSpace = /^\s+/;
 
-    function exports(str, chars) {
+    exports = function exports(str, chars) {
         if (chars == null) return str.replace(regSpace, '');
-
         var start = 0,
             len = str.length,
             charLen = chars.length,
@@ -3086,49 +3030,47 @@ export var ltrim = _.ltrim = (function () {
         }
 
         return start >= len ? '' : str.substr(start, len);
-    }
+    };
 
     return exports;
-})();
+})({});
 
 /* ------------------------------ matcher ------------------------------ */
 
-export var matcher = _.matcher = (function () {
+export var matcher = _.matcher = (function (exports) {
     /* Return a predicate function that checks if attrs are contained in an object.
      *
      * |Name  |Type    |Desc                              |
      * |------|--------|----------------------------------|
      * |attrs |object  |Object of property values to match|
      * |return|function|New predicate function            |
-     *
-     * ```javascript
-     * var objects = [
+     */
+
+    /* example
+     * const objects = [
      *     {a: 1, b: 2, c: 3 },
      *     {a: 4, b: 5, c: 6 }
      * ];
-     * filter(objects, matcher({a: 4, c: 6 })); // -> [{a: 4, b: 5, c: 6 }]
-     * ```
+     * // filter(objects, matcher({a: 4, c: 6 }));
      */
 
-    /* module
-     * env: all
-     * test: all
+    /* typescript
+     * export declare function matcher(attrs: any): Function;
      */
 
     /* dependencies
      * extendOwn isMatch 
      */
 
-    function exports(attrs) {
+    exports = function exports(attrs) {
         attrs = extendOwn({}, attrs);
-
         return function(obj) {
             return isMatch(obj, attrs);
         };
-    }
+    };
 
     return exports;
-})();
+})({});
 
 /* ------------------------------ safeCb ------------------------------ */
 
@@ -3136,22 +3078,18 @@ export var safeCb = _.safeCb = (function (exports) {
     /* Create callback based on input value.
      */
 
-    /* module
-     * env: all
-     * test: all
+    /* typescript
+     * export declare function safeCb(val?: any, ctx?: any, argCount?: number): Function;
      */
 
     /* dependencies
      * isFn isObj optimizeCb matcher identity 
      */
 
-    exports = function(val, ctx, argCount) {
+    exports = function exports(val, ctx, argCount) {
         if (val == null) return identity;
-
         if (isFn(val)) return optimizeCb(val, ctx, argCount);
-
         if (isObj(val)) return matcher(val);
-
         return function(key) {
             return function(obj) {
                 return obj == null ? undefined : obj[key];
@@ -3164,7 +3102,7 @@ export var safeCb = _.safeCb = (function (exports) {
 
 /* ------------------------------ filter ------------------------------ */
 
-export var filter = _.filter = (function () {
+export var filter = _.filter = (function (exports) {
     /* Iterates over elements of collection, returning an array of all the values that pass a truth test.
      *
      * |Name     |Type    |Desc                                   |
@@ -3173,42 +3111,46 @@ export var filter = _.filter = (function () {
      * |predicate|function|Function invoked per iteration         |
      * |[ctx]    |*       |Predicate context                      |
      * |return   |array   |Array of all values that pass predicate|
-     *
-     * ```javascript
-     * filter([1, 2, 3, 4, 5], function (val)
-     * {
-     *     return val % 2 === 0;
-     * }); // -> [2, 4]
-     * ```
      */
 
-    /* module
-     * env: all
-     * test: all
+    /* example
+     * filter([1, 2, 3, 4, 5], function (val) {
+     *     return val % 2 === 0;
+     * }); // -> [2, 4]
+     */
+
+    /* typescript
+     * export declare function filter<T>(
+     *     list: types.List<T>,
+     *     iterator: types.ListIterator<T, boolean>,
+     *     context?: any
+     * ): T[];
+     * export declare function filter<T>(
+     *     object: types.Dictionary<T>,
+     *     iterator: types.ObjectIterator<T, boolean>,
+     *     context?: any
+     * ): T[];
      */
 
     /* dependencies
-     * safeCb each 
+     * safeCb each types 
      */
 
-    function exports(obj, predicate, ctx) {
+    exports = function exports(obj, predicate, ctx) {
         var ret = [];
-
         predicate = safeCb(predicate, ctx);
-
         each(obj, function(val, idx, list) {
             if (predicate(val, idx, list)) ret.push(val);
         });
-
         return ret;
-    }
+    };
 
     return exports;
-})();
+})({});
 
 /* ------------------------------ evalCss ------------------------------ */
 
-export var evalCss = _.evalCss = (function () {
+export var evalCss = _.evalCss = (function (exports) {
     /* Eval css.
      */
 
@@ -3260,36 +3202,44 @@ export var evalCss = _.evalCss = (function () {
     }
 
     return exports;
-})();
+})({});
 
 /* ------------------------------ map ------------------------------ */
 
-export var map = _.map = (function () {
+export var map = _.map = (function (exports) {
     /* Create an array of values by running each element in collection through iteratee.
      *
-     * |Name    |Type        |Desc                          |
-     * |--------|------------|------------------------------|
-     * |obj     |array object|Collection to iterate over    |
-     * |iteratee|function    |Function invoked per iteration|
-     * |[ctx]   |*           |Function context              |
-     * |return  |array       |New mapped array              |
-     *
-     * ```javascript
-     * map([4, 8], function (n) { return n * n; }); // -> [16, 64]
-     * ```
+     * |Name     |Type        |Desc                          |
+     * |---------|------------|------------------------------|
+     * |object   |array object|Collection to iterate over    |
+     * |iterator |function    |Function invoked per iteration|
+     * |[context]|*           |Function context              |
+     * |return   |array       |New mapped array              |
      */
 
-    /* module
-     * env: all
-     * test: all
+    /* example
+     * map([4, 8], function (n) { return n * n; }); // -> [16, 64]
+     */
+
+    /* typescript
+     * export declare function map<T, TResult>(
+     *     list: types.List<T>,
+     *     iterator: types.ListIterator<T, TResult>,
+     *     context?: any
+     * ): TResult[];
+     * export declare function map<T, TResult>(
+     *     object: types.Dictionary<T>,
+     *     iterator: types.ObjectIterator<T, TResult>,
+     *     context?: any
+     * ): TResult[];
      */
 
     /* dependencies
-     * safeCb keys isArrLike 
+     * safeCb keys isArrLike types 
      */
 
-    function exports(obj, iteratee, ctx) {
-        iteratee = safeCb(iteratee, ctx);
+    exports = function exports(obj, iterator, ctx) {
+        iterator = safeCb(iterator, ctx);
 
         var _keys = !isArrLike(obj) && keys(obj),
             len = (_keys || obj).length,
@@ -3297,62 +3247,61 @@ export var map = _.map = (function () {
 
         for (var i = 0; i < len; i++) {
             var curKey = _keys ? _keys[i] : i;
-            results[i] = iteratee(obj[curKey], curKey, obj);
+            results[i] = iterator(obj[curKey], curKey, obj);
         }
 
         return results;
-    }
+    };
 
     return exports;
-})();
+})({});
 
 /* ------------------------------ decodeUriComponent ------------------------------ */
 
-export var decodeUriComponent = _.decodeUriComponent = (function () {
+export var decodeUriComponent = _.decodeUriComponent = (function (exports) {
     /* Better decodeURIComponent that does not throw if input is invalid.
      *
      * |Name  |Type  |Desc            |
      * |------|------|----------------|
      * |str   |string|String to decode|
      * |return|string|Decoded string  |
-     * 
-     * ```javascript
-     * decodeUriComponent('%%25%'); // -> '%%%'
-     * decodeUriComponent('%E0%A4%A'); // -> '\xE0\xA4%A'
-     * ```
      */
 
-    /* module
-     * env: all
-     * test: all
+    /* example
+     * decodeUriComponent('%%25%'); // -> '%%%'
+     * decodeUriComponent('%E0%A4%A'); // -> '\xE0\xA4%A'
+     */
+
+    /* typescript
+     * export declare function decodeUriComponent(str: string): string;
      */
 
     /* dependencies
      * each ucs2 map utf8 
      */
 
-    function exports(str) {
+    exports = function exports(str) {
         try {
             return decodeURIComponent(str);
         } catch (e) {
             var matches = str.match(regMatcher);
 
+            if (!matches) {
+                return str;
+            }
+
             each(matches, function(match) {
                 str = str.replace(match, decode(match));
             });
-
             return str;
         }
-    }
+    };
 
     function decode(str) {
         str = str.split('%').slice(1);
-
         var bytes = map(str, hexToInt);
-
         str = ucs2.encode(bytes);
         str = utf8.decode(str, true);
-
         return str;
     }
 
@@ -3363,7 +3312,7 @@ export var decodeUriComponent = _.decodeUriComponent = (function () {
     var regMatcher = /(%[a-f0-9]{2})+/gi;
 
     return exports;
-})();
+})({});
 
 /* ------------------------------ cookie ------------------------------ */
 
@@ -3399,24 +3348,38 @@ export var cookie = _.cookie = (function (exports) {
      * |key      |string |Cookie key    |
      * |[options]|object |Cookie options|
      * |return   |exports|Module cookie |
-     *
-     * ```javascript
+     */
+
+    /* example
      * cookie.set('a', '1', {path: '/'});
      * cookie.get('a'); // -> '1'
      * cookie.remove('a');
-     * ```
      */
 
-    /* module
-     * env: browser
-     * test: browser
+    /* typescript
+     * export declare namespace cookie {
+     *     interface IOptions {
+     *         path?: string;
+     *         expires?: number;
+     *         domain?: string;
+     *         secure?: boolean;
+     *     }
+     *     interface ICookie {
+     *         get(key: string, options?: cookie.IOptions): string;
+     *         set(key: string, val: string, options?: cookie.IOptions): ICookie;
+     *         remove(key: string, options?: cookie.IOptions): ICookie;
+     *     }
+     * }
+     * export declare const cookie: cookie.ICookie;
      */
 
     /* dependencies
      * defaults isNum isUndef decodeUriComponent 
      */
 
-    var defOpts = { path: '/' };
+    var defOpts = {
+        path: '/'
+    };
 
     function setCookie(key, val, options) {
         if (!isUndef(val)) {
@@ -3433,7 +3396,6 @@ export var cookie = _.cookie = (function (exports) {
 
             val = encodeURIComponent(val);
             key = encodeURIComponent(key);
-
             document.cookie = [
                 key,
                 '=',
@@ -3443,7 +3405,6 @@ export var cookie = _.cookie = (function (exports) {
                 options.domain && '; domain=' + options.domain,
                 options.secure ? '; secure' : ''
             ].join('');
-
             return exports;
         }
 
@@ -3454,7 +3415,6 @@ export var cookie = _.cookie = (function (exports) {
             var c = cookies[i],
                 parts = c.split('='),
                 name = decodeUriComponent(parts.shift());
-
             c = parts.join('=');
             c = decodeUriComponent(c);
 
@@ -3472,10 +3432,9 @@ export var cookie = _.cookie = (function (exports) {
     exports = {
         get: setCookie,
         set: setCookie,
-        remove: function(key, options) {
+        remove: function remove(key, options) {
             options = options || {};
             options.expires = -1;
-
             return setCookie(key, '', options);
         }
     };
@@ -3485,47 +3444,43 @@ export var cookie = _.cookie = (function (exports) {
 
 /* ------------------------------ toArr ------------------------------ */
 
-export var toArr = _.toArr = (function () {
+export var toArr = _.toArr = (function (exports) {
     /* Convert value to an array.
      *
      * |Name  |Type |Desc            |
      * |------|-----|----------------|
      * |val   |*    |Value to convert|
      * |return|array|Converted array |
-     *
-     * ```javascript
+     */
+
+    /* example
      * toArr({a: 1, b: 2}); // -> [{a: 1, b: 2}]
      * toArr('abc'); // -> ['abc']
      * toArr(1); // -> [1]
      * toArr(null); // -> []
-     * ```
      */
 
-    /* module
-     * env: all
-     * test: all
+    /* typescript
+     * export declare function toArr(val: any): any[];
      */
 
     /* dependencies
      * isArrLike map isArr isStr 
      */
 
-    function exports(val) {
+    exports = function exports(val) {
         if (!val) return [];
-
         if (isArr(val)) return val;
-
         if (isArrLike(val) && !isStr(val)) return map(val);
-
         return [val];
-    }
+    };
 
     return exports;
-})();
+})({});
 
 /* ------------------------------ Class ------------------------------ */
 
-export var Class = _.Class = (function () {
+export var Class = _.Class = (function (exports) {
     /* Create JavaScript class.
      *
      * |Name     |Type    |Desc                             |
@@ -3533,34 +3488,30 @@ export var Class = _.Class = (function () {
      * |methods  |object  |Public methods                   |
      * |[statics]|object  |Static methods                   |
      * |return   |function|Function used to create instances|
-     *
-     * ```javascript
+     */
+
+    /* example
      * var People = Class({
-     *     initialize: function People(name, age)
-     *     {
+     *     initialize: function People(name, age) {
      *         this.name = name;
      *         this.age = age;
      *     },
-     *     introduce: function ()
-     *     {
+     *     introduce: function () {
      *         return 'I am ' + this.name + ', ' + this.age + ' years old.';
      *     }
      * });
      *
      * var Student = People.extend({
-     *     initialize: function Student(name, age, school)
-     *     {
+     *     initialize: function Student(name, age, school) {
      *         this.callSuper(People, 'initialize', arguments);
      *
      *         this.school = school;
      *     },
-     *     introduce: function ()
-     *     {
+     *     introduce: function () {
      *         return this.callSuper(People, 'introduce') + '\n I study at ' + this.school + '.';
      *     }
      * }, {
-     *     is: function (obj)
-     *     {
+     *     is: function (obj) {
      *         return obj instanceof Student;
      *     }
      * });
@@ -3568,31 +3519,42 @@ export var Class = _.Class = (function () {
      * var a = new Student('allen', 17, 'Hogwarts');
      * a.introduce(); // -> 'I am allen, 17 years old. \n I study at Hogwarts.'
      * Student.is(a); // -> true
-     * ```
      */
 
-    /* module
-     * env: all
-     * test: all
+    /* typescript
+     * export declare namespace Class {
+     *     class Base {
+     *         toString(): string;
+     *     }
+     *     class IConstructor extends Base {
+     *         constructor(...args: any[]);
+     *         static extend(methods: any, statics: any): IConstructor;
+     *         static inherits(Class: Function): void;
+     *         static methods(methods: any): IConstructor;
+     *         static statics(statics: any): IConstructor;
+     *         [method: string]: any;
+     *     }
+     * }
+     * export declare function Class(methods: any, statics?: any): Class.IConstructor;
      */
 
     /* dependencies
      * extend toArr inherits safeGet isMiniProgram 
      */
 
-    function exports(methods, statics) {
+    exports = function exports(methods, statics) {
         return Base.extend(methods, statics);
-    }
+    };
 
     function makeClass(parent, methods, statics) {
         statics = statics || {};
         var className =
             methods.className || safeGet(methods, 'initialize.name') || '';
         delete methods.className;
-
         var ctor;
+
         if (isMiniProgram) {
-            ctor = function() {
+            ctor = function ctor() {
                 var args = toArr(arguments);
                 return this.initialize
                     ? this.initialize.apply(this, args) || this
@@ -3617,37 +3579,38 @@ export var Class = _.Class = (function () {
         ctor.extend = function(methods, statics) {
             return makeClass(ctor, methods, statics);
         };
+
         ctor.inherits = function(Class) {
             inherits(ctor, Class);
         };
+
         ctor.methods = function(methods) {
             extend(ctor.prototype, methods);
             return ctor;
         };
+
         ctor.statics = function(statics) {
             extend(ctor, statics);
             return ctor;
         };
 
         ctor.methods(methods).statics(statics);
-
         return ctor;
     }
 
     var Base = (exports.Base = makeClass(Object, {
         className: 'Base',
-        callSuper: function(parent, name, args) {
+        callSuper: function callSuper(parent, name, args) {
             var superMethod = parent.prototype[name];
-
             return superMethod.apply(this, args);
         },
-        toString: function() {
+        toString: function toString() {
             return this.constructor.name;
         }
     }));
 
     return exports;
-})();
+})({});
 
 /* ------------------------------ Enum ------------------------------ */
 
@@ -3663,22 +3626,24 @@ export var Enum = _.Enum = (function (exports) {
      * |Name|Type  |Desc                  |
      * |----|------|----------------------|
      * |obj |object|Pairs of key and value|
-     *
-     * ```javascript
+     */
+
+    /* example
      * var importance = new Enum([
      *     'NONE', 'TRIVIAL', 'REGULAR', 'IMPORTANT', 'CRITICAL'
      * ]);
-     *
-     * if (val === importance.CRITICAL)
-     * {
+     * const val = 1;
+     * if (val === importance.CRITICAL) {
      *     // Do something.
      * }
-     * ```
      */
 
-    /* module
-     * env: all
-     * test: all
+    /* typescript
+     * export declare class Enum {
+     *     size: number;
+     *     constructor(map: string[] | { [member: string]: any });
+     *     [key: string]: any;
+     * }
      */
 
     /* dependencies
@@ -3718,20 +3683,17 @@ export var Enum = _.Enum = (function (exports) {
 
 export var MutationObserver = _.MutationObserver = (function (exports) {
     /* Safe MutationObserver, does nothing if MutationObserver is not supported.
-     * 
-     * ```javascript
-     * var observer = new MutationObserver(function (mutations) 
-     * {
-     *     // Do something.     
-     * });
-     * observer.observe(document.htmlElement);
-     * observer.disconnect();
-     * ```
      */
 
-    /* module
-     * env: browser
-     * test: browser
+    /* example
+     * var observer = new MutationObserver(function (mutations) {
+     *     // Do something.
+     * });
+     * observer.observe(document.documentElement);
+     * observer.disconnect();
+     */
+
+    /* typescript
      */
 
     /* dependencies
@@ -3746,9 +3708,9 @@ export var MutationObserver = _.MutationObserver = (function (exports) {
     if (!exports) {
         exports = Class({
             initialize: function MutationObserver() {},
-            observe: function() {},
-            disconnect: function() {},
-            takeRecords: function() {}
+            observe: function observe() {},
+            disconnect: function disconnect() {},
+            takeRecords: function takeRecords() {}
         });
     }
 
@@ -3781,19 +3743,21 @@ export var Select = _.Select = (function (exports) {
      * |Name|Type    |Desc                                |
      * |----|--------|------------------------------------|
      * |fn  |function|Function to execute for each element|
-     *
-     * ```javascript
-     * var $test = new Select('#test');
-     * $test.find('.test').each(function (idx, element)
-     * {
-     *     // Manipulate dom nodes
-     * });
-     * ```
      */
 
-    /* module
-     * env: browser
-     * test: browser
+    /* example
+     * var $test = new Select('#test');
+     * $test.find('.test').each(function (idx, element) {
+     *     // Manipulate dom nodes
+     * });
+     */
+
+    /* typescript
+     * export declare class Select {
+     *     constructor(selector: string | Element);
+     *     find(selector: string): Select;
+     *     each(fn: Function): Select;
+     * }
      */
 
     /* dependencies
@@ -3802,11 +3766,9 @@ export var Select = _.Select = (function (exports) {
 
     exports = Class({
         className: 'Select',
-        initialize: function(selector) {
+        initialize: function initialize(selector) {
             this.length = 0;
-
             if (!selector) return this;
-
             if (isStr(selector)) return rootSelect.find(selector);
 
             if (selector.nodeType) {
@@ -3814,34 +3776,41 @@ export var Select = _.Select = (function (exports) {
                 this.length = 1;
             }
         },
-        find: function(selector) {
+        find: function find(selector) {
             var ret = new Select();
-
             this.each(function() {
                 mergeArr(ret, this.querySelectorAll(selector));
             });
-
             return ret;
         },
-        each: function(fn) {
+        each: (function(_each) {
+            function each(_x) {
+                return _each.apply(this, arguments);
+            }
+
+            each.toString = function() {
+                return _each.toString();
+            };
+
+            return each;
+        })(function(fn) {
             each(this, function(element, idx) {
                 fn.call(element, idx, element);
             });
-
             return this;
-        }
+        })
     });
-
     var rootSelect = new exports(document);
 
     function mergeArr(first, second) {
         var len = second.length,
             i = first.length;
 
-        for (var j = 0; j < len; j++) first[i++] = second[j];
+        for (var j = 0; j < len; j++) {
+            first[i++] = second[j];
+        }
 
         first.length = i;
-
         return first;
     }
 
@@ -3850,38 +3819,42 @@ export var Select = _.Select = (function (exports) {
 
 /* ------------------------------ $safeEls ------------------------------ */
 
-export var $safeEls = _.$safeEls = (function () {
+export var $safeEls = _.$safeEls = (function (exports) {
     /* Convert value into an array, if it's a string, do querySelector.
      *
      * |Name  |Type                |Desc             |
      * |------|--------------------|-----------------|
      * |value |element array string|Value to convert |
      * |return|array               |Array of elements|
-     *
-     * ```javascript
-     * $safeEls('.test'); // -> Array of elements with test class
-     * ```
      */
 
-    /* module
-     * env: browser
-     * test: browser
+    /* example
+     * $safeEls(document.querySelector('.test'));
+     * $safeEls(document.querySelectorAll('.test'));
+     * $safeEls('.test'); // -> Array of elements with test class
+     */
+
+    /* typescript
+     * export declare namespace $safeEls {
+     *     type El = Element | Element[] | NodeListOf<Element> | string;
+     * }
+     * export declare function $safeEls(value: $safeEls.El): Element[];
      */
 
     /* dependencies
      * isStr toArr Select 
      */
 
-    function exports(val) {
+    exports = function exports(val) {
         return toArr(isStr(val) ? new Select(val) : val);
-    }
+    };
 
     return exports;
-})();
+})({});
 
 /* ------------------------------ $attr ------------------------------ */
 
-export var $attr = _.$attr = (function () {
+export var $attr = _.$attr = (function (exports) {
     /* Element attribute manipulation.
      *
      * Get the value of an attribute for the first element in the set of matched elements.
@@ -3913,8 +3886,9 @@ export var $attr = _.$attr = (function () {
      * |-------|--------------------|----------------------|
      * |element|string array element|Elements to manipulate|
      * |name   |string              |Attribute name        |
-     *
-     * ```javascript
+     */
+
+    /* example
      * $attr('#test', 'attr1', 'test');
      * $attr('#test', 'attr1'); // -> test
      * $attr.remove('#test', 'attr1');
@@ -3922,37 +3896,41 @@ export var $attr = _.$attr = (function () {
      *     'attr1': 'test',
      *     'attr2': 'test'
      * });
-     * ```
      */
 
-    /* module
-     * env: browser
-     * test: browser
+    /* typescript
+     * export declare namespace $attr {
+     *     interface IAttr {
+     *         (element: $safeEls.El, name: string, value: string): void;
+     *         (element: $safeEls.El, attributes: { [name: string]: string }): void;
+     *         (element: $safeEls.El, name: string): string;
+     *         remove(element: $safeEls.El, name: string): void;
+     *     }
+     * }
+     * export declare const $attr: $attr.IAttr;
      */
 
     /* dependencies
      * toArr isObj isStr each isUndef $safeEls 
      */
 
-    function exports(els, name, val) {
+    exports = function exports(els, name, val) {
         els = $safeEls(els);
-
         var isGetter = isUndef(val) && isStr(name);
         if (isGetter) return getAttr(els[0], name);
-
         var attrs = name;
+
         if (!isObj(attrs)) {
             attrs = {};
             attrs[name] = val;
         }
 
         setAttr(els, attrs);
-    }
+    };
 
     exports.remove = function(els, names) {
         els = $safeEls(els);
         names = toArr(names);
-
         each(els, function(node) {
             each(names, function(name) {
                 node.removeAttribute(name);
@@ -3973,47 +3951,11 @@ export var $attr = _.$attr = (function () {
     }
 
     return exports;
-})();
-
-/* ------------------------------ $data ------------------------------ */
-
-export var $data = _.$data = (function () {
-    /* Wrapper of $attr, adds data- prefix to keys.
-     *
-     * ```javascript
-     * $data('#test', 'attr1', 'eustia');
-     * ```
-     */
-
-    /* module
-     * env: browser
-     * test: browser
-     */
-
-    /* dependencies
-     * $attr isStr isObj each 
-     */
-
-    function exports(nodes, name, val) {
-        var dataName = name;
-
-        if (isStr(name)) dataName = 'data-' + name;
-        if (isObj(name)) {
-            dataName = {};
-            each(name, function(val, key) {
-                dataName['data-' + key] = val;
-            });
-        }
-
-        return $attr(nodes, dataName, val);
-    }
-
-    return exports;
-})();
+})({});
 
 /* ------------------------------ $css ------------------------------ */
 
-export var $css = _.$css = (function () {
+export var $css = _.$css = (function (exports) {
     /* Element css manipulation.
      *
      * Get the computed style properties for the first element in the set of matched elements.
@@ -4036,40 +3978,43 @@ export var $css = _.$css = (function () {
      * |----------|--------------------|--------------------------------|
      * |element   |string array element|Elements to manipulate          |
      * |properties|object              |Object of css-value pairs to set|
-     *
-     * ```javascript
+     */
+
+    /* example
      * $css('#test', {
-     *     'color': '#fff',
-     *     'background': 'black'
+     *     color: '#fff',
+     *     background: 'black'
      * });
      * $css('#test', 'display', 'block');
      * $css('#test', 'color'); // -> #fff
-     * ```
      */
 
-    /* module
-     * env: browser
-     * test: browser
+    /* typescript
+     * export declare function $css(element: $safeEls.El, name: string): string;
+     * export declare function $css(element: $safeEls.El, name: string, value: string): void;
+     * export declare function $css(
+     *     element: $safeEls.El,
+     *     properties: { [name: string]: string }
+     * ): void;
      */
 
     /* dependencies
      * isStr isObj kebabCase isUndef contain isNum $safeEls prefix 
      */
 
-    function exports(nodes, name, val) {
+    exports = function exports(nodes, name, val) {
         nodes = $safeEls(nodes);
-
         var isGetter = isUndef(val) && isStr(name);
         if (isGetter) return getCss(nodes[0], name);
-
         var css = name;
+
         if (!isObj(css)) {
             css = {};
             css[name] = val;
         }
 
         setCss(nodes, css);
-    }
+    };
 
     function getCss(node, name) {
         return (
@@ -4101,12 +4046,53 @@ export var $css = _.$css = (function () {
 
     function addPx(key, val) {
         var needPx = isNum(val) && !contain(cssNumProps, kebabCase(key));
-
         return needPx ? val + 'px' : val;
     }
 
     return exports;
-})();
+})({});
+
+/* ------------------------------ $data ------------------------------ */
+
+export var $data = _.$data = (function (exports) {
+    /* Wrapper of $attr, adds data- prefix to keys.
+     */
+
+    /* example
+     * $data('#test', 'attr1', 'eustia');
+     */
+
+    /* typescript
+     * export declare namespace $data {
+     *     interface IData {
+     *         (element: $safeEls.El, name: string, value: string): void;
+     *         (element: $safeEls.El, attributes: { [name: string]: string }): void;
+     *         (element: $safeEls.El, name: string): string;
+     *     }
+     * }
+     * export declare const $data: $data.IData;
+     */
+
+    /* dependencies
+     * $attr isStr isObj each $safeEls 
+     */
+
+    exports = function exports(nodes, name, val) {
+        var dataName = name;
+        if (isStr(name)) dataName = 'data-' + name;
+
+        if (isObj(name)) {
+            dataName = {};
+            each(name, function(val, key) {
+                dataName['data-' + key] = val;
+            });
+        }
+
+        return $attr(nodes, dataName, val);
+    };
+
+    return exports;
+})({});
 
 /* ------------------------------ $insert ------------------------------ */
 
@@ -4133,8 +4119,9 @@ export var $insert = _.$insert = (function (exports) {
      * |-------|--------------------|----------------------|
      * |element|string array element|Elements to manipulate|
      * |content|string              |Html strings          |
-     *
-     * ```javascript
+     */
+
+    /* example
      * // <div id="test"><div class="mark"></div></div>
      * $insert.before('#test', '<div>licia</div>');
      * // -> <div>licia</div><div id="test"><div class="mark"></div></div>
@@ -4144,12 +4131,20 @@ export var $insert = _.$insert = (function (exports) {
      * // -> <div id="test"><div>licia</div><div class="mark"></div></div>
      * $insert.append('#test', '<div>licia</div>');
      * // -> <div id="test"><div class="mark"></div><div>licia</div></div>
-     * ```
      */
 
-    /* module
-     * env: browser
-     * test: browser
+    /* typescript
+     * export declare namespace $insert {
+     *     interface IInsert {
+     *         (element: $safeEls.El, content: string): void;
+     *     }
+     * }
+     * export declare const $insert: {
+     *     before: $insert.IInsert;
+     *     after: $insert.IInsert;
+     *     append: $insert.IInsert;
+     *     prepend: $insert.IInsert;
+     * };
      */
 
     /* dependencies
@@ -4166,7 +4161,6 @@ export var $insert = _.$insert = (function (exports) {
     function insertFactory(type) {
         return function(nodes, val) {
             nodes = $safeEls(nodes);
-
             each(nodes, function(node) {
                 node.insertAdjacentHTML(type, val);
             });
@@ -4178,44 +4172,48 @@ export var $insert = _.$insert = (function (exports) {
 
 /* ------------------------------ $offset ------------------------------ */
 
-export var $offset = _.$offset = (function () {
+export var $offset = _.$offset = (function (exports) {
     /* Get the position of the element in document.
      *
      * |Name   |Type                |Desc                  |
      * |-------|--------------------|----------------------|
      * |element|string array element|Elements to get offset|
-     *
-     * ```javascript
-     * $offset('#test'); // -> {left: 0, top: 0, width: 0, height: 0}
-     * ```
      */
 
-    /* module
-     * env: browser
-     * test: browser
+    /* example
+     * $offset('#test'); // -> {left: 0, top: 0, width: 0, height: 0}
+     */
+
+    /* typescript
+     * export declare namespace $offset {
+     *     interface IOffset {
+     *         left: number;
+     *         top: number;
+     *         width: number;
+     *         height: number;
+     *     }
+     * }
+     * export declare function $offset(element: $safeEls.El): $offset.IOffset;
      */
 
     /* dependencies
      * $safeEls 
      */
 
-    function exports(els) {
+    exports = function exports(els) {
         els = $safeEls(els);
-
         var el = els[0];
-
         var clientRect = el.getBoundingClientRect();
-
         return {
             left: clientRect.left + window.pageXOffset,
             top: clientRect.top + window.pageYOffset,
             width: Math.round(clientRect.width),
             height: Math.round(clientRect.height)
         };
-    }
+    };
 
     return exports;
-})();
+})({});
 
 /* ------------------------------ $property ------------------------------ */
 
@@ -4237,16 +4235,25 @@ export var $property = _.$property = (function (exports) {
      *
      * Get the current value of the first element in the set of matched elements or
      * set the value of every matched element.
-     *
-     * ```javascript
-     * $property.html('#test', 'licia');
-     * $property.html('#test'); // -> licia
-     * ```
      */
 
-    /* module
-     * env: browser
-     * test: browser
+    /* example
+     * $property.html('#test', 'licia');
+     * $property.html('#test'); // -> licia
+     */
+
+    /* typescript
+     * export declare namespace $property {
+     *     interface IProperty {
+     *         (element: $safeEls.El, value: string): void;
+     *         (element: $safeEls.El): string;
+     *     }
+     * }
+     * export declare const $property: {
+     *     html: $property.IProperty;
+     *     val: $property.IProperty;
+     *     text: $property.IProperty;
+     * };
      */
 
     /* dependencies
@@ -4262,9 +4269,7 @@ export var $property = _.$property = (function (exports) {
     function propFactory(name) {
         return function(nodes, val) {
             nodes = $safeEls(nodes);
-
             if (isUndef(val)) return nodes[0][name];
-
             each(nodes, function(node) {
                 node[name] = val;
             });
@@ -4276,72 +4281,67 @@ export var $property = _.$property = (function (exports) {
 
 /* ------------------------------ $remove ------------------------------ */
 
-export var $remove = _.$remove = (function () {
+export var $remove = _.$remove = (function (exports) {
     /* Remove the set of matched elements from the DOM.
      *
      * |Name   |Type                |Desc              |
      * |-------|--------------------|------------------|
      * |element|string array element|Elements to delete|
-     *
-     * ```javascript
-     * $remove('#test');
-     * ```
      */
 
-    /* module
-     * env: browser
-     * test: browser
+    /* example
+     * $remove('#test');
+     */
+
+    /* typescript
+     * export declare function $remove(element: $safeEls.El);
      */
 
     /* dependencies
      * each $safeEls 
      */
 
-    function exports(els) {
+    exports = function exports(els) {
         els = $safeEls(els);
-
         each(els, function(el) {
             var parent = el.parentNode;
-
             if (parent) parent.removeChild(el);
         });
-    }
+    };
 
     return exports;
-})();
+})({});
 
 /* ------------------------------ $show ------------------------------ */
 
-export var $show = _.$show = (function () {
+export var $show = _.$show = (function (exports) {
     /* Show elements.
      *
      * |Name   |Type                |Desc            |
      * |-------|--------------------|----------------|
      * |element|string array element|Elements to show|
-     *
-     * ```javascript
-     * $show('#test');
-     * ```
      */
 
-    /* module
-     * env: browser
-     * test: browser
+    /* example
+     * $show('#test');
+     */
+
+    /* typescript
+     * export declare function $show(element: $safeEls.El): void;
      */
 
     /* dependencies
      * each $safeEls 
      */
 
-    function exports(els) {
+    exports = function exports(els) {
         els = $safeEls(els);
-
         each(els, function(el) {
             if (isHidden(el)) {
                 el.style.display = getDefDisplay(el.nodeName);
             }
         });
-    }
+    };
 
     function isHidden(el) {
         return getComputedStyle(el, '').getPropertyValue('display') == 'none';
@@ -4365,7 +4365,7 @@ export var $show = _.$show = (function () {
     }
 
     return exports;
-})();
+})({});
 
 /* ------------------------------ delegate ------------------------------ */
 
@@ -4386,21 +4386,22 @@ export var delegate = _.delegate = (function (exports) {
      * ### remove
      *
      * Remove event delegation.
-     *
-     * ```javascript
+     */
+
+    /* example
      * var container = document.getElementById('container');
-     * function clickHandler()
-     * {
+     * function clickHandler() {
      *     // Do something...
      * }
      * delegate.add(container, 'click', '.children', clickHandler);
      * delegate.remove(container, 'click', '.children', clickHandler);
-     * ```
      */
 
-    /* module
-     * env: browser
-     * test: browser
+    /* typescript
+     * export declare const delegate: {
+     *     add(el: Element, type: string, selector: string, cb: Function): void;
+     *     remove(el: Element, type: string, selector: string, cb: Function): void;
+     * };
      */
 
     /* dependencies
@@ -4410,6 +4411,7 @@ export var delegate = _.delegate = (function (exports) {
     function retTrue() {
         return true;
     }
+
     function retFalse() {
         return false;
     }
@@ -4418,9 +4420,7 @@ export var delegate = _.delegate = (function (exports) {
         var handlers = this.events[e.type],
             handler,
             handlerQueue = formatHandlers.call(this, e, handlers);
-
         e = new exports.Event(e);
-
         var i = 0,
             j,
             matched,
@@ -4429,6 +4429,7 @@ export var delegate = _.delegate = (function (exports) {
         while ((matched = handlerQueue[i++]) && !e.isPropagationStopped()) {
             e.curTarget = matched.el;
             j = 0;
+
             while (
                 (handler = matched.handlers[j++]) &&
                 !e.isImmediatePropagationStopped()
@@ -4455,18 +4456,26 @@ export var delegate = _.delegate = (function (exports) {
         if (current.nodeType) {
             for (; current !== this; current = current.parentNode || this) {
                 matches = [];
+
                 for (i = 0; i < delegateCount; i++) {
                     handler = handlers[i];
                     selector = handler.selector + ' ';
+
                     if (matches[selector] === undefined) {
                         matches[selector] = contain(
                             this.querySelectorAll(selector),
                             current
                         );
                     }
+
                     if (matches[selector]) matches.push(handler);
                 }
-                if (matches.length) ret.push({ el: current, handlers: matches });
+
+                if (matches.length)
+                    ret.push({
+                        el: current,
+                        handlers: matches
+                    });
             }
         }
 
@@ -4481,13 +4490,12 @@ export var delegate = _.delegate = (function (exports) {
     }
 
     exports = {
-        add: function(el, type, selector, fn) {
+        add: function add(el, type, selector, fn) {
             var handler = {
                     selector: selector,
                     handler: fn
                 },
                 handlers;
-
             if (!el.events) el.events = {};
 
             if (!(handlers = el.events[type])) {
@@ -4506,11 +4514,9 @@ export var delegate = _.delegate = (function (exports) {
                 ? handlers.splice(handlers.delegateCount++, 0, handler)
                 : handlers.push(handler);
         },
-        remove: function(el, type, selector, fn) {
+        remove: function remove(el, type, selector, fn) {
             var events = el.events;
-
             if (!events || !events[type]) return;
-
             var handlers = events[type],
                 i = handlers.length,
                 handler;
@@ -4523,6 +4529,7 @@ export var delegate = _.delegate = (function (exports) {
                     handler.handler == fn
                 ) {
                     handlers.splice(i, 1);
+
                     if (handler.selector) {
                         handlers.delegateCount--;
                     }
@@ -4537,21 +4544,18 @@ export var delegate = _.delegate = (function (exports) {
             isDefaultPrevented: retFalse,
             isPropagationStopped: retFalse,
             isImmediatePropagationStopped: retFalse,
-            preventDefault: function() {
+            preventDefault: function preventDefault() {
                 var e = this.origEvent;
-
                 this.isDefaultPrevented = retTrue;
                 if (e && e.preventDefault) e.preventDefault();
             },
-            stopPropagation: function() {
+            stopPropagation: function stopPropagation() {
                 var e = this.origEvent;
-
                 this.isPropagationStopped = retTrue;
                 if (e && e.stopPropagation) e.stopPropagation();
             },
-            stopImmediatePropagation: function() {
+            stopImmediatePropagation: function stopImmediatePropagation() {
                 var e = this.origEvent;
-
                 this.isImmediatePropagationStopped = retTrue;
                 if (e && e.stopImmediatePropagation) e.stopImmediatePropagation();
                 this.stopPropagation();
@@ -4566,20 +4570,33 @@ export var delegate = _.delegate = (function (exports) {
 
 export var $event = _.$event = (function (exports) {
     /* bind events to certain dom elements.
-     *
-     * ```javascript
-     * function clickHandler()
-     * {
+     */
+
+    /* example
+     * function clickHandler() {
      *     // Do something...
      * }
      * $event.on('#test', 'click', clickHandler);
      * $event.off('#test', 'click', clickHandler);
-     * ```
      */
 
-    /* module
-     * env: browser
-     * test: browser
+    /* typescript
+     * export declare const $event: {
+     *     on(
+     *         element: $safeEls.El,
+     *         event: string,
+     *         selector: string,
+     *         handler: Function
+     *     ): void;
+     *     on(element: $safeEls.El, event: string, handler: Function): void;
+     *     off(
+     *         element: $safeEls.El,
+     *         event: string,
+     *         selector: string,
+     *         handler: Function
+     *     ): void;
+     *     off(element: $safeEls.El, event: string, handler: Function): void;
+     * };
      */
 
     /* dependencies
@@ -4611,29 +4628,28 @@ export var $event = _.$event = (function (exports) {
 
 /* ------------------------------ concat ------------------------------ */
 
-export var concat = _.concat = (function () {
+export var concat = _.concat = (function (exports) {
     /* Concat multiple arrays into a single array.
      *
      * |Name  |Type |Desc              |
      * |------|-----|------------------|
      * |...arr|array|Arrays to concat  |
      * |return|array|Concatenated array|
-     *
-     * ```javascript
-     * concat([1, 2], [3], [4, 5]); // -> [1, 2, 3, 4, 5]
-     * ```
      */
 
-    /* module
-     * env: all
-     * test: all
+    /* example
+     * concat([1, 2], [3], [4, 5]); // -> [1, 2, 3, 4, 5]
+     */
+
+    /* typescript
+     * export declare function concat(...args: Array<any[]>): any[];
      */
 
     /* dependencies
      * toArr 
      */
 
-    function exports() {
+    exports = function exports() {
         var args = toArr(arguments),
             ret = [];
 
@@ -4642,39 +4658,42 @@ export var concat = _.concat = (function () {
         }
 
         return ret;
-    }
+    };
 
     return exports;
-})();
+})({});
 
 /* ------------------------------ mapObj ------------------------------ */
 
-export var mapObj = _.mapObj = (function () {
+export var mapObj = _.mapObj = (function (exports) {
     /* Map for objects.
      *
-     * |Name    |Type    |Desc                          |
-     * |--------|--------|------------------------------|
-     * |obj     |object  |Object to iterate over        |
-     * |iteratee|function|Function invoked per iteration|
-     * |[ctx]   |*       |Function context              |
-     * |return  |object  |New mapped object             |
-     *
-     * ```javascript
-     * mapObj({a: 1, b: 2}, function (val, key) { return val + 1 }); // -> {a: 2, b: 3}
-     * ```
+     * |Name     |Type    |Desc                          |
+     * |---------|--------|------------------------------|
+     * |object   |object  |Object to iterate over        |
+     * |iterator |function|Function invoked per iteration|
+     * |[context]|*       |Function context              |
+     * |return   |object  |New mapped object             |
      */
 
-    /* module
-     * env: all
-     * test: all
+    /* example
+     * mapObj({a: 1, b: 2}, function (val, key) { return val + 1 }); // -> {a: 2, b: 3}
+     */
+
+    /* typescript
+     * export declare function mapObj<T, TResult>(
+     *     object: types.Dictionary<T>,
+     *     iterator: types.ObjectIterator<T, TResult>,
+     *     context?: any
+     * ): types.Dictionary<TResult>;
      */
 
     /* dependencies
-     * safeCb keys 
+     * safeCb keys types 
      */
 
-    function exports(obj, iteratee, ctx) {
-        iteratee = safeCb(iteratee, ctx);
+    exports = function exports(obj, iterator, ctx) {
+        iterator = safeCb(iterator, ctx);
 
         var _keys = keys(obj),
             len = _keys.length,
@@ -4682,42 +4701,51 @@ export var mapObj = _.mapObj = (function () {
 
         for (var i = 0; i < len; i++) {
             var curKey = _keys[i];
-            ret[curKey] = iteratee(obj[curKey], curKey, obj);
+            ret[curKey] = iterator(obj[curKey], curKey, obj);
         }
 
         return ret;
-    }
+    };
 
     return exports;
-})();
+})({});
 
 /* ------------------------------ cloneDeep ------------------------------ */
 
-export var cloneDeep = _.cloneDeep = (function () {
+export var cloneDeep = _.cloneDeep = (function (exports) {
     /* Recursively clone value.
      *
      * |Name  |Type|Desc             |
      * |------|----|-----------------|
      * |val   |*   |Value to clone   |
      * |return|*   |Deep cloned Value|
-     *
-     * ```javascript
+     */
+
+    /* example
      * var obj = [{a: 1}, {a: 2}];
      * var obj2 = cloneDeep(obj);
      * console.log(obj[0] === obj2[1]); // -> false
-     * ```
      */
 
-    /* module
-     * env: all
-     * test: all
+    /* typescript
+     * export declare function cloneDeep<T>(val: T): T;
      */
 
     /* dependencies
      * isObj isFn isArr mapObj 
      */
 
-    function exports(obj) {
+    exports = (function(_exports) {
+        function exports(_x) {
+            return _exports.apply(this, arguments);
+        }
+
+        exports.toString = function() {
+            return _exports.toString();
+        };
+
+        return exports;
+    })(function(obj) {
         if (isArr(obj)) {
             return obj.map(function(val) {
                 return exports(val);
@@ -4731,14 +4759,14 @@ export var cloneDeep = _.cloneDeep = (function () {
         }
 
         return obj;
-    }
+    });
 
     return exports;
-})();
+})({});
 
 /* ------------------------------ some ------------------------------ */
 
-export var some = _.some = (function () {
+export var some = _.some = (function (exports) {
     /* Check if predicate return truthy for any element.
      *
      * |Name     |Type        |Desc                                          |
@@ -4747,25 +4775,32 @@ export var some = _.some = (function () {
      * |predicate|function    |Function to invoked per iteration             |
      * |ctx      |*           |Predicate context                             |
      * |return   |boolean     |True if any element passes the predicate check|
-     *
-     * ```javascript
-     * some([2, 5], function (val)
-     * {
-     *     return val % 2 === 0;
-     * }); // -> true
-     * ```
      */
 
-    /* module
-     * env: all
-     * test: all
+    /* example
+     * some([2, 5], function (val) {
+     *     return val % 2 === 0;
+     * }); // -> true
+     */
+
+    /* typescript
+     * export declare function some<T>(
+     *     list: types.List<T>,
+     *     iterator?: types.ListIterator<T, boolean>,
+     *     context?: any
+     * ): boolean;
+     * export declare function some<T>(
+     *     object: types.Dictionary<T>,
+     *     iterator?: types.ObjectIterator<T, boolean>,
+     *     context?: any
+     * ): boolean;
      */
 
     /* dependencies
-     * safeCb isArrLike keys 
+     * safeCb isArrLike keys types 
      */
 
-    function exports(obj, predicate, ctx) {
+    exports = function exports(obj, predicate, ctx) {
         predicate = safeCb(predicate, ctx);
 
         var _keys = !isArrLike(obj) && keys(obj),
@@ -4777,10 +4812,10 @@ export var some = _.some = (function () {
         }
 
         return false;
-    }
+    };
 
     return exports;
-})();
+})({});
 
 /* ------------------------------ $class ------------------------------ */
 
@@ -4822,9 +4857,10 @@ export var $class = _.$class = (function (exports) {
      * |Name   |Type                |Desc                  |
      * |-------|--------------------|----------------------|
      * |element|string array element|Elements to manipulate|
-     * |names  |string              |Class names to remove |
-     *
-     * ```javascript
+     * |name   |string              |Class names to remove |
+     */
+
+    /* example
      * $class.add('#test', 'class1');
      * $class.add('#test', ['class1', 'class2']);
      * $class.has('#test', 'class1'); // -> true
@@ -4832,12 +4868,15 @@ export var $class = _.$class = (function (exports) {
      * $class.has('#test', 'class1'); // -> false
      * $class.toggle('#test', 'class1');
      * $class.has('#test', 'class1'); // -> true
-     * ```
      */
 
-    /* module
-     * env: browser
-     * test: browser
+    /* typescript
+     * export declare const $class: {
+     *     add(element: $safeEls.El, name: string | string[]): void;
+     *     has(element: $safeEls.El, name: string): boolean;
+     *     toggle(element: $safeEls.El, name: string): void;
+     *     remove(element: $safeEls.El, name: string): void;
+     * };
      */
 
     /* dependencies
@@ -4845,43 +4884,35 @@ export var $class = _.$class = (function (exports) {
      */
 
     exports = {
-        add: function(els, name) {
+        add: function add(els, name) {
             els = $safeEls(els);
             var names = safeName(name);
-
             each(els, function(el) {
                 var classList = [];
-
                 each(names, function(name) {
                     if (!exports.has(el, name)) classList.push(name);
                 });
-
                 if (classList.length !== 0)
                     el.className += ' ' + classList.join(' ');
             });
         },
-        has: function(els, name) {
+        has: function has(els, name) {
             els = $safeEls(els);
-
             var regName = new RegExp('(^|\\s)' + name + '(\\s|$)');
-
             return some(els, function(el) {
                 return regName.test(el.className);
             });
         },
-        toggle: function(els, name) {
+        toggle: function toggle(els, name) {
             els = $safeEls(els);
-
             each(els, function(el) {
                 if (!exports.has(el, name)) return exports.add(el, name);
-
                 exports.remove(el, name);
             });
         },
-        remove: function(els, name) {
+        remove: function remove(els, name) {
             els = $safeEls(els);
             var names = safeName(name);
-
             each(els, function(el) {
                 each(names, function(name) {
                     el.classList.remove(name);
@@ -4899,7 +4930,7 @@ export var $class = _.$class = (function (exports) {
 
 /* ------------------------------ $ ------------------------------ */
 
-export var $ = _.$ = (function () {
+export var $ = _.$ = (function (exports) {
     /* jQuery like style dom manipulator.
      *
      * ### Available methods
@@ -4907,157 +4938,184 @@ export var $ = _.$ = (function () {
      * offset, hide, show, first, last, get, eq, on, off, html, text, val, css, attr,
      * data, rmAttr, remove, addClass, rmClass, toggleClass, hasClass, append, prepend,
      * before, after
-     *
-     * ```javascript
+     */
+
+    /* example
      * var $btn = $('#btn');
      * $btn.html('eustia');
      * $btn.addClass('btn');
      * $btn.show();
-     * $btn.on('click', function ()
-     * {
+     * $btn.on('click', function () {
      *     // Do something...
      * });
-     * ```
      */
 
-    /* module
-     * env: browser
-     * test: browser
+    /* typescript
+     * export declare namespace $ {
+     *     class $ extends Select {
+     *         find(selector: string): $;
+     *         each(fn: Function): $;
+     *         offset(): $offset.IOffset;
+     *         hide(): $;
+     *         show(): $;
+     *         first(): $;
+     *         last(): $;
+     *         get(index: number): Element;
+     *         eq(index: number): Element;
+     *         on(event: string, selector: string, handler: Function): $;
+     *         on(event: string, handler: Function): $;
+     *         off(event: string, selector: string, handler: Function): $;
+     *         off(event: string, handler: Function): $;
+     *         html(): string;
+     *         html(value: string): $;
+     *         text(): string;
+     *         text(value: string): $;
+     *         val(): string;
+     *         val(value: string): $;
+     *         css(name: string): string;
+     *         css(name: string, value: string): $;
+     *         css(properties: { [name: string]: string }): $;
+     *         attr(name: string): string;
+     *         attr(name: string, value: string): $;
+     *         attr(attributes: { [name: string]: string }): $;
+     *         data(name: string): string;
+     *         data(name: string, value: string): $;
+     *         data(attributes: { [name: string]: string }): $;
+     *         rmAttr(name: string): $;
+     *         remove(): $;
+     *         addClass(name: string | string[]): $;
+     *         rmClass(name: string): $;
+     *         toggleClass(name: string): $;
+     *         hasClass(name: string): boolean;
+     *         parent(): $;
+     *         append(content: string): $;
+     *         prepend(content: string): $;
+     *         before(content: string): $;
+     *         after(content: string): $;
+     *     }
+     * }
+     * declare function $(selector: string | Element): $.$;
      */
 
     /* dependencies
      * Select $offset $show $css $attr $property last $remove $data $event $class $insert isUndef isStr 
      */
 
-    function exports(selector) {
+    exports = function exports(selector) {
         return new Select(selector);
-    }
+    };
 
     Select.methods({
-        offset: function() {
+        offset: function offset() {
             return $offset(this);
         },
-        hide: function() {
+        hide: function hide() {
             return this.css('display', 'none');
         },
-        show: function() {
+        show: function show() {
             $show(this);
-
             return this;
         },
-        first: function() {
+        first: function first() {
             return exports(this[0]);
         },
-        last: function() {
+        last: (function(_last) {
+            function last() {
+                return _last.apply(this, arguments);
+            }
+
+            last.toString = function() {
+                return _last.toString();
+            };
+
+            return last;
+        })(function() {
             return exports(last(this));
-        },
-        get: function(idx) {
+        }),
+        get: function get(idx) {
             return this[idx];
         },
-        eq: function(idx) {
+        eq: function eq(idx) {
             return exports(this[idx]);
         },
-        on: function(event, selector, handler) {
+        on: function on(event, selector, handler) {
             $event.on(this, event, selector, handler);
-
             return this;
         },
-        off: function(event, selector, handler) {
+        off: function off(event, selector, handler) {
             $event.off(this, event, selector, handler);
-
             return this;
         },
-        html: function(val) {
+        html: function html(val) {
             var result = $property.html(this, val);
-
             if (isUndef(val)) return result;
-
             return this;
         },
-        text: function(val) {
+        text: function text(val) {
             var result = $property.text(this, val);
-
             if (isUndef(val)) return result;
-
             return this;
         },
-        val: function(val) {
-            var result = $property.val(this, val);
-
-            if (isUndef(val)) return result;
-
+        val: function val(_val) {
+            var result = $property.val(this, _val);
+            if (isUndef(_val)) return result;
             return this;
         },
-        css: function(name, val) {
+        css: function css(name, val) {
             var result = $css(this, name, val);
-
             if (isGetter(name, val)) return result;
-
             return this;
         },
-        attr: function(name, val) {
+        attr: function attr(name, val) {
             var result = $attr(this, name, val);
-
             if (isGetter(name, val)) return result;
-
             return this;
         },
-        data: function(name, val) {
+        data: function data(name, val) {
             var result = $data(this, name, val);
-
             if (isGetter(name, val)) return result;
-
             return this;
         },
-        rmAttr: function(name) {
+        rmAttr: function rmAttr(name) {
             $attr.remove(this, name);
-
             return this;
         },
-        remove: function() {
+        remove: function remove() {
             $remove(this);
-
             return this;
         },
-        addClass: function(name) {
+        addClass: function addClass(name) {
             $class.add(this, name);
-
             return this;
         },
-        rmClass: function(name) {
+        rmClass: function rmClass(name) {
             $class.remove(this, name);
-
             return this;
         },
-        toggleClass: function(name) {
+        toggleClass: function toggleClass(name) {
             $class.toggle(this, name);
-
             return this;
         },
-        hasClass: function(name) {
+        hasClass: function hasClass(name) {
             return $class.has(this, name);
         },
-        parent: function() {
+        parent: function parent() {
             return exports(this[0].parentNode);
         },
-        append: function(val) {
+        append: function append(val) {
             $insert.append(this, val);
-
             return this;
         },
-        prepend: function(val) {
+        prepend: function prepend(val) {
             $insert.prepend(this, val);
-
             return this;
         },
-        before: function(val) {
+        before: function before(val) {
             $insert.before(this, val);
-
             return this;
         },
-        after: function(val) {
+        after: function after(val) {
             $insert.after(this, val);
-
             return this;
         }
     });
@@ -5067,7 +5125,7 @@ export var $ = _.$ = (function () {
     }
 
     return exports;
-})();
+})({});
 
 /* ------------------------------ memStorage ------------------------------ */
 
@@ -5075,16 +5133,15 @@ export var memStorage = _.memStorage = (function (exports) {
     /* Memory-backed implementation of the Web Storage API.
      *
      * A replacement for environments where localStorage or sessionStorage is not available.
-     *
-     * ```javascript
-     * var localStorage = window.localStorage || memStorage;
-     * localStorage.setItem('test', 'licia');
-     * ```
      */
 
-    /* module
-     * env: all
-     * test: all
+    /* example
+     * var localStorage = window.localStorage || memStorage;
+     * localStorage.setItem('test', 'licia');
+     */
+
+    /* typescript
+     * export declare const memStorage: typeof window.localStorage;
      */
 
     /* dependencies
@@ -5092,43 +5149,43 @@ export var memStorage = _.memStorage = (function (exports) {
      */
 
     exports = {
-        getItem: function(key) {
+        getItem: function getItem(key) {
             return (API_KEYS[key] ? cloak[key] : this[key]) || null;
         },
-        setItem: function(key, val) {
+        setItem: function setItem(key, val) {
             API_KEYS[key] ? (cloak[key] = val) : (this[key] = val);
         },
-        removeItem: function(key) {
+        removeItem: function removeItem(key) {
             API_KEYS[key] ? delete cloak[key] : delete this[key];
         },
-        key: function(i) {
+        key: function key(i) {
             var keys = enumerableKeys();
-
             return i >= 0 && i < keys.length ? keys[i] : null;
         },
-        clear: function() {
+        clear: function clear() {
             var keys = uncloakedKeys();
-
             /* eslint-disable no-cond-assign */
-            for (var i = 0, key; (key = keys[i]); i++) delete this[key];
+
+            for (var i = 0, key; (key = keys[i]); i++) {
+                delete this[key];
+            }
 
             keys = cloakedKeys();
-
             /* eslint-disable no-cond-assign */
-            for (i = 0; (key = keys[i]); i++) delete cloak[key];
+
+            for (i = 0; (key = keys[i]); i++) {
+                delete cloak[key];
+            }
         }
     };
-
     Object.defineProperty(exports, 'length', {
         enumerable: false,
         configurable: true,
-        get: function() {
+        get: function get() {
             return enumerableKeys().length;
         }
     });
-
     var cloak = {};
-
     var API_KEYS = {
         getItem: 1,
         setItem: 1,
@@ -5157,7 +5214,7 @@ export var memStorage = _.memStorage = (function (exports) {
 
 /* ------------------------------ safeStorage ------------------------------ */
 
-export var safeStorage = _.safeStorage = (function () {
+export var safeStorage = _.safeStorage = (function (exports) {
     /* Safe localStorage and sessionStorage.
      */
 
@@ -5195,40 +5252,41 @@ export var safeStorage = _.safeStorage = (function () {
     }
 
     return exports;
-})();
+})({});
 
 /* ------------------------------ meta ------------------------------ */
 
-export var meta = _.meta = (function () {
+export var meta = _.meta = (function (exports) {
     /* Document meta manipulation, turn name and content into key value pairs.
      *
      * Get meta content with given name. If name is omitted, all pairs will be return.
-     * 
+     *
      * |Name  |Type        |Desc        |
      * |------|------------|------------|
      * |[name]|string array|Meta name   |
      * |return|string      |Meta content|
-     * 
+     *
      * Set meta content.
-     * 
+     *
      * |Name   |Type  |Desc        |
      * |-------|------|------------|
      * |name   |string|Meta name   |
      * |content|string|Meta content|
-     * 
+     *
      * |Name |Type  |Desc                        |
      * |-----|------|----------------------------|
      * |metas|object|Object of name content pairs|
-     * 
+     *
      * ### remove
-     * 
+     *
      * Remove metas.
-     * 
+     *
      * |Name|Type        |Desc     |
      * |----|------------|---------|
      * |name|string array|Meta name|
-     * 
-     * ```javascript
+     */
+
+    /* example
      * // <meta name="a" content="1"/> <meta name="b" content="2"/> <meta name="c" content="3"/>
      * meta(); // -> {a: '1', b: '2', c: '3'}
      * meta('a'); // -> '1'
@@ -5241,35 +5299,39 @@ export var meta = _.meta = (function () {
      * });
      * meta.remove('d');
      * meta.remove(['e', 'f']);
-     * ```
      */
 
-    /* module
-     * env: browser
-     * test: browser
+    /* typescript
+     * export declare namespace meta {
+     *     function remove(nameList: string | string[]): void;
+     * }
+     * export declare function meta(): {};
+     * export declare function meta(key: string): string;
+     * export declare function meta(keys: string[]): {};
+     * export declare function meta(key, value): void;
+     * export declare function meta(pairs: {}): void;
      */
 
     /* dependencies
      * each isStr isUndef contain isArr isObj toArr 
      */
 
-    function exports(name, content) {
+    exports = function exports(name, content) {
         if (isUndef(name)) return getAllMeta();
-
         var isGetter = (isStr(name) && isUndef(content)) || isArr(name);
         if (isGetter) return getMeta(name);
-
         var metas = name;
+
         if (!isObj(metas)) {
             metas = {};
             metas[name] = content;
         }
+
         setMeta(metas);
-    }
+    };
 
     exports.remove = function(nameList) {
         nameList = toArr(nameList);
-
         each(nameList, function(name) {
             var meta = selectMeta(name);
             if (meta) doc.head.removeChild(meta);
@@ -5280,26 +5342,21 @@ export var meta = _.meta = (function () {
 
     function getAllMeta() {
         var ret = {};
-
         metaEach(function(name, content) {
             ret[name] = content;
         });
-
         return ret;
     }
 
     function getMeta(name) {
         if (isStr(name)) {
             var meta = selectMeta(name);
-
             if (meta) return meta.getAttribute('content');
         } else {
             var ret = {};
-
             metaEach(function(key, val) {
                 if (contain(name, key)) ret[key] = val;
             });
-
             return ret;
         }
     }
@@ -5308,7 +5365,6 @@ export var meta = _.meta = (function () {
         each(metas, function(content, name) {
             var meta = selectMeta(name);
             if (meta) return meta.setAttribute('content', content);
-
             meta = doc.createElement('meta');
             meta.setAttribute('name', name);
             meta.setAttribute('content', content);
@@ -5318,13 +5374,10 @@ export var meta = _.meta = (function () {
 
     function metaEach(fn) {
         var metaList = doc.querySelectorAll('meta');
-
         each(metaList, function(meta) {
             var name = meta.getAttribute('name'),
                 content = meta.getAttribute('content');
-
             if (!name || !content) return;
-
             fn(name, content);
         });
     }
@@ -5334,7 +5387,7 @@ export var meta = _.meta = (function () {
     }
 
     return exports;
-})();
+})({});
 
 /* ------------------------------ toNum ------------------------------ */
 
@@ -5345,22 +5398,21 @@ export var toNum = _.toNum = (function (exports) {
      * |------|------|----------------|
      * |val   |*     |Value to process|
      * |return|number|Resulted number |
-     *
-     * ```javascript
-     * toNum('5'); // -> 5
-     * ```
      */
 
-    /* module
-     * env: all
-     * test: all
+    /* example
+     * toNum('5'); // -> 5
+     */
+
+    /* typescript
+     * export declare function toNum(val: any): number;
      */
 
     /* dependencies
      * isNum isObj isFn isStr 
      */
 
-    exports = function(val) {
+    exports = function exports(val) {
         if (isNum(val)) return val;
 
         if (isObj(val)) {
@@ -5369,7 +5421,6 @@ export var toNum = _.toNum = (function (exports) {
         }
 
         if (!isStr(val)) return val === 0 ? val : +val;
-
         return +val;
     };
 
@@ -5378,50 +5429,48 @@ export var toNum = _.toNum = (function (exports) {
 
 /* ------------------------------ ms ------------------------------ */
 
-export var ms = _.ms = (function () {
+export var ms = _.ms = (function (exports) {
     /* Convert time string formats to milliseconds.
      *
      * Turn time string into milliseconds.
-     * 
+     *
      * |Name  |Type  |Desc         |
      * |------|------|-------------|
      * |str   |string|String format|
      * |return|number|Milliseconds |
-     * 
+     *
      * Turn milliseconds into time string.
-     * 
+     *
      * |Name  |Type  |Desc         |
      * |------|------|-------------|
      * |num   |number|Milliseconds |
      * |return|string|String format|
-     * 
-     * ```javascript
-     * ms('1s'); // -> 1000 
-     * ms('1m'); // -> 60000 
-     * ms('1.5h'); // -> 5400000 
+     */
+
+    /* example
+     * ms('1s'); // -> 1000
+     * ms('1m'); // -> 60000
+     * ms('1.5h'); // -> 5400000
      * ms('1d'); // -> 86400000
      * ms('1y'); // -> 31557600000
      * ms('1000'); // -> 1000
      * ms(1500); // -> '1.5s'
      * ms(60000); // -> '1m'
-     * ```
      */
 
-    /* module
-     * env: all
-     * test: all
+    /* typescript
+     * export declare function ms(str: string): number;
+     * export declare function ms(num: number): string;
      */
 
     /* dependencies
      * toNum isStr 
      */
 
-    function exports(str) {
+    exports = function exports(str) {
         if (isStr(str)) {
             var match = str.match(regStrTime);
-
             if (!match) return 0;
-
             return toNum(match[1]) * factor[match[2] || 'ms'];
         } else {
             var num = str,
@@ -5436,7 +5485,7 @@ export var ms = _.ms = (function () {
 
             return +(num / factor[suffix]).toFixed(2) + suffix;
         }
-    }
+    };
 
     var factor = {
         ms: 1,
@@ -5446,92 +5495,88 @@ export var ms = _.ms = (function () {
     factor.h = factor.m * 60;
     factor.d = factor.h * 24;
     factor.y = factor.d * 365.25;
-
     var suffixList = ['y', 'd', 'h', 'm', 's'];
-
     var regStrTime = /^((?:\d+)?\.?\d+) *(s|m|h|d|y)?$/;
 
     return exports;
-})();
+})({});
 
 /* ------------------------------ toInt ------------------------------ */
 
-export var toInt = _.toInt = (function () {
+export var toInt = _.toInt = (function (exports) {
     /* Convert value to an integer.
      *
      * |Name  |Type  |Desc             |
      * |------|------|-----------------|
      * |val   |*     |Value to convert |
      * |return|number|Converted integer|
-     *
-     * ```javascript
-     * toInt(1.1); // -> 1
-     * toInt(undefined); // -> 0
-     * ```
      */
 
-    /* module
-     * env: all
-     * test: all
+    /* example
+     * toInt(1.1); // -> 1
+     * toInt(undefined); // -> 0
+     */
+
+    /* typescript
+     * export declare function toInt(val: any): number;
      */
 
     /* dependencies
      * toNum 
      */
 
-    function exports(val) {
+    exports = function exports(val) {
         if (!val) return val === 0 ? val : 0;
-
         val = toNum(val);
-
         return val - (val % 1);
-    }
+    };
 
     return exports;
-})();
+})({});
 
 /* ------------------------------ detectBrowser ------------------------------ */
 
-export var detectBrowser = _.detectBrowser = (function () {
+export var detectBrowser = _.detectBrowser = (function (exports) {
     /* Detect browser info using ua.
      *
-     * |Name                    |Type  |Desc                              |
-     * |------------------------|------|----------------------------------|
-     * |[ua=navigator.userAgent]|string|Browser userAgent                 |
-     * |return                  |object|Object containing name and version|
-     * 
-     * Browsers supported: ie, chrome, edge, firefox, opera, safari, ios(mobile safari), android(android browser)
+     * |Name                  |Type  |Desc                              |
+     * |----------------------|------|----------------------------------|
+     * |ua=navigator.userAgent|string|Browser userAgent                 |
+     * |return                |object|Object containing name and version|
      *
-     * ```javascript
-     * var browser = detectBrowser();
-     * if (browser.name === 'ie' && browser.version < 9) 
-     * {
-     *     // Do something about old IE...
-     * }
-     * ```
+     * Browsers supported: ie, chrome, edge, firefox, opera, safari, ios(mobile safari), android(android browser)
      */
 
-    /* module
-     * env: all
-     * test: all
+    /* example
+     * var browser = detectBrowser();
+     * if (browser.name === 'ie' && browser.version < 9) {
+     *     // Do something about old IE...
+     * }
+     */
+
+    /* typescript
+     * export declare namespace detectBrowser {
+     *     interface IBrowser {
+     *         name: string;
+     *         version: number;
+     *     }
+     * }
+     * export declare function detectBrowser(ua?: string): detectBrowser.IBrowser;
      */
 
     /* dependencies
      * isBrowser toInt keys 
      */
 
-    function exports(ua) {
+    exports = function exports(ua) {
         ua = ua || (isBrowser ? navigator.userAgent : '');
         ua = ua.toLowerCase();
-
         var ieVer = getVer(ua, 'msie ');
-
         if (ieVer)
             return {
                 version: ieVer,
                 name: 'ie'
             };
-
         if (regIe11.test(ua))
             return {
                 version: 11,
@@ -5541,13 +5586,9 @@ export var detectBrowser = _.detectBrowser = (function () {
         for (var i = 0, len = browsers.length; i < len; i++) {
             var name = browsers[i],
                 match = ua.match(regBrowsers[name]);
-
             if (match == null) continue;
-
             var version = toInt(match[1].split('.')[0]);
-
             if (name === 'opera') version = getVer(ua, 'version/') || version;
-
             return {
                 name: name,
                 version: version
@@ -5558,7 +5599,7 @@ export var detectBrowser = _.detectBrowser = (function () {
             name: 'unknown',
             version: -1
         };
-    }
+    };
 
     var regBrowsers = {
         edge: /edge\/([0-9._]+)/,
@@ -5569,23 +5610,39 @@ export var detectBrowser = _.detectBrowser = (function () {
         safari: /version\/([0-9._]+).*safari/,
         chrome: /(?!chrom.*opr)chrom(?:e|ium)\/([0-9.]+)(:?\s|$)/
     };
-
     var regIe11 = /trident\/7\./,
         browsers = keys(regBrowsers);
 
     function getVer(ua, mark) {
         var idx = ua.indexOf(mark);
-
         if (idx > -1)
             return toInt(ua.substring(idx + mark.length, ua.indexOf('.', idx)));
     }
 
     return exports;
-})();
+})({});
 
 /* ------------------------------ nextTick ------------------------------ */
 
 export var nextTick = _.nextTick = (function (exports) {
+    function _typeof(obj) {
+        if (typeof Symbol === 'function' && typeof Symbol.iterator === 'symbol') {
+            _typeof = function _typeof(obj) {
+                return typeof obj;
+            };
+        } else {
+            _typeof = function _typeof(obj) {
+                return obj &&
+                    typeof Symbol === 'function' &&
+                    obj.constructor === Symbol &&
+                    obj !== Symbol.prototype
+                    ? 'symbol'
+                    : typeof obj;
+            };
+        }
+        return _typeof(obj);
+    }
+
     /* Next tick for both node and browser.
      *
      * |Name|Type    |Desc            |
@@ -5595,28 +5652,29 @@ export var nextTick = _.nextTick = (function (exports) {
      * Use process.nextTick if available.
      *
      * Otherwise setImmediate or setTimeout is used as fallback.
-     *
-     * ```javascript
-     * nextTick(function ()
-     * {
+     */
+
+    /* example
+     * nextTick(function () {
      *     // Do something...
      * });
-     * ```
      */
 
-    /* module
-     * env: all
-     * test: all
+    /* typescript
+     * export declare function nextTick(cb: Function): void;
      */
-
-    if (typeof process === 'object' && process.nextTick) {
+    if (
+        (typeof process === 'undefined' ? 'undefined' : _typeof(process)) ===
+            'object' &&
+        process.nextTick
+    ) {
         exports = process.nextTick;
     } else if (typeof setImmediate === 'function') {
-        exports = function(cb) {
+        exports = function exports(cb) {
             setImmediate(ensureCallable(cb));
         };
     } else {
-        exports = function(cb) {
+        exports = function exports(cb) {
             setTimeout(ensureCallable(cb), 0);
         };
     }
@@ -5624,7 +5682,6 @@ export var nextTick = _.nextTick = (function (exports) {
     function ensureCallable(fn) {
         if (typeof fn !== 'function')
             throw new TypeError(fn + ' is not a function');
-
         return fn;
     }
 
@@ -5635,17 +5692,15 @@ export var nextTick = _.nextTick = (function (exports) {
 
 export var now = _.now = (function (exports) {
     /* Gets the number of milliseconds that have elapsed since the Unix epoch.
-     *
-     * ```javascript
+     */
+
+    /* example
      * now(); // -> 1468826678701
-     * ```
      */
 
-    /* module
-     * env: all
-     * test: all
+    /* typescript
+     * export declare function now(): number;
      */
-
     exports =
         Date.now ||
         function() {
@@ -5657,58 +5712,59 @@ export var now = _.now = (function (exports) {
 
 /* ------------------------------ restArgs ------------------------------ */
 
-export var restArgs = _.restArgs = (function () {
+export var restArgs = _.restArgs = (function (exports) {
     /* This accumulates the arguments passed into an array, after a given index.
      *
-     * |Name      |Type    |Desc                                   |
-     * |----------|--------|---------------------------------------|
-     * |function  |function|Function that needs rest parameters    |
-     * |startIndex|number  |The start index to accumulates         |
-     * |return    |function|Generated function with rest parameters|
-     *
-     * ```javascript
+     * |Name        |Type    |Desc                                   |
+     * |------------|--------|---------------------------------------|
+     * |function    |function|Function that needs rest parameters    |
+     * |[startIndex]|number  |The start index to accumulates         |
+     * |return      |function|Generated function with rest parameters|
+     */
+
+    /* example
      * var paramArr = restArgs(function (rest) { return rest });
      * paramArr(1, 2, 3, 4); // -> [1, 2, 3, 4]
-     * ```
      */
 
-    /* module
-     * env: all
-     * test: all
+    /* typescript
+     * export declare function restArgs(fn: Function, startIndex?: number): Function;
      */
-
-    function exports(fn, startIdx) {
+    exports = function exports(fn, startIdx) {
         startIdx = startIdx == null ? fn.length - 1 : +startIdx;
-
         return function() {
             var len = Math.max(arguments.length - startIdx, 0),
                 rest = new Array(len),
                 i;
 
-            for (i = 0; i < len; i++) rest[i] = arguments[i + startIdx];
+            for (i = 0; i < len; i++) {
+                rest[i] = arguments[i + startIdx];
+            } // Call runs faster than apply.
 
-            // Call runs faster than apply.
             switch (startIdx) {
                 case 0:
                     return fn.call(this, rest);
+
                 case 1:
                     return fn.call(this, arguments[0], rest);
+
                 case 2:
                     return fn.call(this, arguments[0], arguments[1], rest);
             }
 
             var args = new Array(startIdx + 1);
 
-            for (i = 0; i < startIdx; i++) args[i] = arguments[i];
+            for (i = 0; i < startIdx; i++) {
+                args[i] = arguments[i];
+            }
 
             args[startIdx] = rest;
-
             return fn.apply(this, args);
         };
-    }
+    };
 
     return exports;
-})();
+})({});
 
 /* ------------------------------ partial ------------------------------ */
 
@@ -5720,16 +5776,15 @@ export var partial = _.partial = (function (exports) {
      * |fn         |function|Function to partially apply arguments to|
      * |...partials|*       |Arguments to be partially applied       |
      * |return     |function|New partially applied function          |
-     *
-     * ```javascript
-     * var sub5 = partial(function (a, b) { return b - a }, 5);
-     * sub(20); // -> 15
-     * ```
      */
 
-    /* module
-     * env: all
-     * test: all
+    /* example
+     * var sub5 = partial(function (a, b) { return b - a }, 5);
+     * sub5(20); // -> 15
+     */
+
+    /* typescript
+     * export declare function partial(fn: Function, ...partials: any[]): Function;
      */
 
     /* dependencies
@@ -5739,10 +5794,8 @@ export var partial = _.partial = (function (exports) {
     exports = restArgs(function(fn, partials) {
         return function() {
             var args = [];
-
             args = args.concat(partials);
             args = args.concat(toArr(arguments));
-
             return fn.apply(this, args);
         };
     });
@@ -5759,18 +5812,17 @@ export var once = _.once = (function (exports) {
      * |------|--------|-----------------------|
      * |fn    |function|Function to restrict   |
      * |return|function|New restricted function|
-     *
-     * ```javascript
+     */
+
+    /* example
      * function init() {};
      * var initOnce = once(init);
      * initOnce();
      * initOnce(); // -> init is invoked once
-     * ```
      */
 
-    /* module
-     * env: all
-     * test: all
+    /* typescript
+     * export declare function once(fn: Function): Function;
      */
 
     /* dependencies
@@ -5820,18 +5872,25 @@ export var Emitter = _.Emitter = (function (exports) {
      * |Name|Type  |Desc           |
      * |----|------|---------------|
      * |obj |object|Object to mixin|
-     *
-     * ```javascript
+     */
+
+    /* example
      * var event = new Emitter();
      * event.on('test', function () { console.log('test') });
      * event.emit('test'); // Logs out 'test'.
      * Emitter.mixin({});
-     * ```
      */
 
-    /* module
-     * env: all
-     * test: all
+    /* typescript
+     * export declare namespace Emitter {
+     *     function mixin(obj: any): any;
+     * }
+     * export declare class Emitter {
+     *     on(event: string, listener: Function): Emitter;
+     *     off(event: string, listener: Function): Emitter;
+     *     once(event: string, listener: Function): Emitter;
+     *     emit(event: string): Emitter;
+     * }
      */
 
     /* dependencies
@@ -5843,13 +5902,14 @@ export var Emitter = _.Emitter = (function (exports) {
             initialize: function Emitter() {
                 this._events = this._events || {};
             },
-            on: function(event, listener) {
+            on: function on(event, listener) {
                 this._events[event] = this._events[event] || [];
+
                 this._events[event].push(listener);
 
                 return this;
             },
-            off: function(event, listener) {
+            off: function off(event, listener) {
                 if (!has(this._events, event)) return;
 
                 this._events[event].splice(
@@ -5859,16 +5919,23 @@ export var Emitter = _.Emitter = (function (exports) {
 
                 return this;
             },
-            once: function(event, listener) {
+            once: (function(_once) {
+                function once(_x, _x2) {
+                    return _once.apply(this, arguments);
+                }
+
+                once.toString = function() {
+                    return _once.toString();
+                };
+
+                return once;
+            })(function(event, listener) {
                 this.on(event, once(listener));
-
                 return this;
-            },
-            emit: function(event) {
+            }),
+            emit: function emit(event) {
                 if (!has(this._events, event)) return;
-
                 var args = slice(arguments, 1);
-
                 each(
                     this._events[event],
                     function(val) {
@@ -5876,16 +5943,14 @@ export var Emitter = _.Emitter = (function (exports) {
                     },
                     this
                 );
-
                 return this;
             }
         },
         {
-            mixin: function(obj) {
+            mixin: function mixin(obj) {
                 each(['on', 'off', 'once', 'emit'], function(val) {
                     obj[val] = exports.prototype[val];
                 });
-
                 obj._events = obj._events || {};
             }
         }
@@ -5900,57 +5965,67 @@ export var Logger = _.Logger = (function (exports) {
     /* Simple logger with level filter.
      *
      * ### constructor
-     * 
-     * |Name         |Type  |Desc        |
-     * |-------------|------|------------|
-     * |name         |string|Logger name |
-     * |[level=DEBUG]|number|Logger level|
-     * 
+     *
+     * |Name       |Type  |Desc        |
+     * |-----------|------|------------|
+     * |name       |string|Logger name |
+     * |level=DEBUG|number|Logger level|
+     *
      * ### setLevel
-     * 
+     *
+     * Set level.
+     *
      * |Name |Type         |Desc        |
      * |-----|-------------|------------|
      * |level|number string|Logger level|
-     * 
+     *
      * ### getLevel
-     * 
+     *
      * Get current level.
-     * 
+     *
      * ### trace, debug, info, warn, error
-     * 
+     *
      * Logging methods.
-     * 
+     *
      * ### Log Levels
-     * 
+     *
      * TRACE, DEBUG, INFO, WARN, ERROR and SILENT.
-     * 
-     * ```javascript
-     * var logger = new Logger('licia', Logger.level.ERROR);
-     * logger.trace('test');
-     * 
-     * // Format output.
-     * logger.formatter = function (type, argList)
-     * {
-     *     argList.push(new Date().getTime());
-     * 
-     *     return argList;
-     * };
-     * 
-     * logger.on('all', function (type, argList) 
-     * {
-     *     // It's not affected by log level.
-     * });
-     * 
-     * logger.on('debug', function (argList) 
-     * {
-     *     // Affected by log level.
-     * });
-     * ```
      */
 
-    /* module
-     * env: all
-     * test: all
+    /* example
+     * var logger = new Logger('licia', Logger.level.ERROR);
+     * logger.trace('test');
+     *
+     * // Format output.
+     * logger.formatter = function (type, argList) {
+     *     argList.push(new Date().getTime());
+     *
+     *     return argList;
+     * };
+     *
+     * logger.on('all', function (type, argList) {
+     *     // It's not affected by log level.
+     * });
+     *
+     * logger.on('debug', function (argList) {
+     *     // Affected by log level.
+     * });
+     */
+
+    /* typescript
+     * export declare class Logger extends Emitter {
+     *     name: string;
+     *     formatter(type: string, argList: any[]): any[];
+     *     constructor(name: string, level?: string | number);
+     *     setLevel(level: string | number): Logger;
+     *     getLevel(): number;
+     *     trace(...args: any[]): Logger;
+     *     debug(...args: any[]): Logger;
+     *     info(...args: any[]): Logger;
+     *     warn(...args: any[]): Logger;
+     *     error(...args: any[]): Logger;
+     *     static level: Enum;
+     * }
      */
 
     /* dependencies
@@ -5961,53 +6036,50 @@ export var Logger = _.Logger = (function (exports) {
         {
             initialize: function Logger(name, level) {
                 this.name = name;
-
                 this.setLevel(isUndef(level) ? exports.level.DEBUG : level);
                 this.callSuper(Emitter, 'initialize', arguments);
             },
-            setLevel: function(level) {
+            setLevel: function setLevel(level) {
                 if (isStr(level)) {
                     level = exports.level[level.toUpperCase()];
                     if (level) this._level = level;
                     return this;
                 }
-                if (isNum(level)) this._level = level;
 
+                if (isNum(level)) this._level = level;
                 return this;
             },
-            getLevel: function() {
+            getLevel: function getLevel() {
                 return this._level;
             },
-            formatter: function(type, argList) {
+            formatter: function formatter(type, argList) {
                 return argList;
             },
-            trace: function() {
+            trace: function trace() {
                 return this._log('trace', arguments);
             },
-            debug: function() {
+            debug: function debug() {
                 return this._log('debug', arguments);
             },
-            info: function() {
+            info: function info() {
                 return this._log('info', arguments);
             },
-            warn: function() {
+            warn: function warn() {
                 return this._log('warn', arguments);
             },
-            error: function() {
+            error: function error() {
                 return this._log('error', arguments);
             },
-            _log: function(type, argList) {
+            _log: function _log(type, argList) {
                 argList = toArr(argList);
                 if (argList.length === 0) return this;
-
                 this.emit('all', type, clone(argList));
-
                 if (exports.level[type.toUpperCase()] < this._level) return this;
                 this.emit(type, clone(argList));
                 /* eslint-disable no-console */
+
                 var consoleMethod = type === 'debug' ? console.log : console[type];
                 consoleMethod.apply(console, this.formatter(type, argList));
-
                 return this;
             }
         },
@@ -6034,83 +6106,90 @@ export var Store = _.Store = (function (exports) {
      * Extend from Emitter.
      *
      * ### constructor
-     * 
+     *
      * |Name|Type  |Desc        |
      * |----|------|------------|
      * |data|object|Initial data|
-     * 
+     *
      * ### set
-     * 
+     *
      * Set value.
-     * 
+     *
      * |Name|Type  |Desc        |
      * |----|------|------------|
      * |key |string|Value key   |
      * |val |*     |Value to set|
-     * 
+     *
      * Set values.
-     * 
+     *
      * |Name|Type  |Desc           |
      * |----|------|---------------|
      * |vals|object|Key value pairs|
-     * 
+     *
      * This emit a change event whenever is called.
-     * 
+     *
      * ### get
-     * 
+     *
      * Get value.
-     * 
+     *
      * |Name  |Type  |Desc              |
      * |------|------|------------------|
      * |key   |string|Value key         |
      * |return|*     |Value of given key|
-     * 
+     *
      * Get values.
-     * 
+     *
      * |Name  |Type  |Desc           |
      * |------|------|---------------|
      * |keys  |array |Array of keys  |
      * |return|object|Key value pairs|
-     * 
+     *
      * ### remove
-     * 
+     *
      * Remove value.
-     * 
+     *
      * |Name|Type        |Desc         |
      * |----|------------|-------------|
      * |key |string array|Key to remove|
-     * 
+     *
      * ### clear
-     * 
+     *
      * Clear all data.
-     * 
+     *
      * ### each
-     * 
+     *
      * Iterate over values.
-     * 
+     *
      * |Name|Type    |Desc                           |
      * |----|--------|-------------------------------|
      * |fn  |function|Function invoked per interation|
-     * 
-     * ```javascript
+     */
+
+    /* example
      * var store = new Store('test');
      * store.set('user', {name: 'licia'});
      * store.get('user').name; // -> 'licia'
      * store.clear();
-     * store.each(function (val, key) 
-     * {
+     * store.each(function (val, key) {
      *     // Do something.
      * });
-     * store.on('change', function (key, newVal, oldVal) 
-     * {
+     * store.on('change', function (key, newVal, oldVal) {
      *     // It triggers whenever set is called.
      * });
-     * ```
      */
 
-    /* module
-     * env: all
-     * test: all
+    /* typescript
+     * export declare class Store extends Emitter {
+     *     constructor(data?: {});
+     *     set(key: string, val: any): void;
+     *     set(vals: {}): void;
+     *     get(key: string): any;
+     *     get(keys: string[]): {};
+     *     remove(key: string): void;
+     *     remove(keys: string[]): void;
+     *     clear(): void;
+     *     each(fn: (...args: any[]) => void): void;
+     * }
      */
 
     /* dependencies
@@ -6123,7 +6202,7 @@ export var Store = _.Store = (function (exports) {
             this._data = data || {};
             this.save(this._data);
         },
-        set: function(key, val) {
+        set: function set(key, val) {
             var data;
 
             if (isStr(key)) {
@@ -6134,48 +6213,49 @@ export var Store = _.Store = (function (exports) {
             }
 
             var self = this;
-
             each(data, function(val, key) {
                 var oldVal = self._data[key];
                 self._data[key] = val;
                 self.emit('change', key, val, oldVal);
             });
-
             this.save(this._data);
         },
-        get: function(key) {
+        get: function get(key) {
             var data = this._data;
-
             if (isStr(key)) return data[key];
-
             var ret = {};
             each(key, function(val) {
                 ret[val] = data[val];
             });
-
             return ret;
         },
-        remove: function(key) {
+        remove: function remove(key) {
             key = toArr(key);
-
             var data = this._data;
-
             each(key, function(val) {
                 delete data[val];
             });
-
             this.save(data);
         },
-        clear: function() {
+        clear: function clear() {
             this._data = {};
-
             this.save(this._data);
         },
-        each: function(fn) {
+        each: (function(_each) {
+            function each(_x) {
+                return _each.apply(this, arguments);
+            }
+
+            each.toString = function() {
+                return _each.toString();
+            };
+
+            return each;
+        })(function(fn) {
             each(this._data, fn);
-        },
+        }),
         // This methods exists to be overwritten.
-        save: function(data) {
+        save: function save(data) {
             this._data = data;
         }
     });
@@ -6191,27 +6271,30 @@ export var orientation = _.orientation = (function (exports) {
      * ### on
      *
      * Bind change event.
-     *  
-     * ### off 
-     * 
+     *
+     * ### off
+     *
      * Unbind change event.
-     * 
+     *
      * ### get
-     * 
+     *
      * Get current orientation(landscape or portrait).
-     * 
-     * ```javascript
-     * orientation.on('change', function (direction) 
-     * {
+     */
+
+    /* example
+     * orientation.on('change', function (direction) {
      *     console.log(direction); // -> 'portrait'
      * });
      * orientation.get(); // -> 'landscape'
-     * ```
      */
 
-    /* module
-     * env: browser
-     * test: browser
+    /* typescript
+     * export declare namespace orientation {
+     *     interface IOrientation extends Emitter {
+     *         get(): string;
+     *     }
+     * }
+     * export declare const orientation: orientation.IOrientation;
      */
 
     /* dependencies
@@ -6219,9 +6302,8 @@ export var orientation = _.orientation = (function (exports) {
      */
 
     var screen = window.screen;
-
     exports = {
-        get: function() {
+        get: function get() {
             if (screen) {
                 var orientation = safeGet(screen, 'orientation.type');
                 if (orientation) return orientation.split('-').shift();
@@ -6232,9 +6314,7 @@ export var orientation = _.orientation = (function (exports) {
                 : 'portrait';
         }
     };
-
     Emitter.mixin(exports);
-
     window.addEventListener(
         'orientationchange',
         function() {
@@ -6252,19 +6332,18 @@ export var orientation = _.orientation = (function (exports) {
 
 export var perfNow = _.perfNow = (function (exports) {
     /* High resolution time up to microsecond precision.
-     *
-     * ```javascript
-     * var start = perfNow();
-     * 
-     * // Do something.
-     * 
-     * console.log(perfNow() - start);
-     * ```
      */
 
-    /* module
-     * env: all
-     * test: all
+    /* example
+     * var start = perfNow();
+     *
+     * // Do something.
+     *
+     * console.log(perfNow() - start);
+     */
+
+    /* typescript
+     * export declare function perfNow(): number;
      */
 
     /* dependencies
@@ -6276,21 +6355,24 @@ export var perfNow = _.perfNow = (function (exports) {
         loadTime;
 
     if (performance && performance.now) {
-        exports = function() {
+        exports = function exports() {
             return performance.now();
         };
     } else if (process && process.hrtime) {
-        var getNanoSeconds = function() {
+        var getNanoSeconds = function getNanoSeconds() {
             var hr = process.hrtime();
             return hr[0] * 1e9 + hr[1];
         };
+
         loadTime = getNanoSeconds() - process.uptime() * 1e9;
-        exports = function() {
+
+        exports = function exports() {
             return (getNanoSeconds() - loadTime) / 1e6;
         };
     } else {
         loadTime = now();
-        exports = function() {
+
+        exports = function exports() {
             return now() - loadTime;
         };
     }
@@ -6300,7 +6382,7 @@ export var perfNow = _.perfNow = (function (exports) {
 
 /* ------------------------------ pxToNum ------------------------------ */
 
-export var pxToNum = _.pxToNum = (function () {
+export var pxToNum = _.pxToNum = (function (exports) {
     /* Turn string like '0px' to number.
      */
 
@@ -6313,32 +6395,31 @@ export var pxToNum = _.pxToNum = (function () {
     }
 
     return exports;
-})();
+})({});
 
 /* ------------------------------ rmCookie ------------------------------ */
 
-export var rmCookie = _.rmCookie = (function () {
+export var rmCookie = _.rmCookie = (function (exports) {
     /* Loop through all possible path and domain to remove cookie.
      *
      * |Name|Type  |Desc      |
      * |----|------|----------|
      * |key |string|Cookie key|
-     * 
-     * ```javascript
-     * rmCookie('test');
-     * ```
      */
 
-    /* module
-     * env: browser
-     * test: browser
+    /* example
+     * rmCookie('test');
+     */
+
+    /* typescript
+     * export declare function rmCookie(key: string): void;
      */
 
     /* dependencies
      * cookie 
      */
 
-    function exports(key) {
+    exports = function exports(key) {
         var location = window.location,
             hostname = location.hostname,
             pathname = location.pathname,
@@ -6347,72 +6428,87 @@ export var rmCookie = _.rmCookie = (function () {
             domain = '',
             pathLen = pathNames.length,
             path;
-
         if (del()) return;
 
         for (var i = hostNames.length - 1; i >= 0; i--) {
             var hostName = hostNames[i];
             if (hostName === '') continue;
             domain = domain === '' ? hostName : hostName + '.' + domain;
-
             path = '/';
-            if (del({ domain: domain, path: path }) || del({ domain: domain }))
+            if (
+                del({
+                    domain: domain,
+                    path: path
+                }) ||
+                del({
+                    domain: domain
+                })
+            )
                 return;
 
             for (var j = 0; j < pathLen; j++) {
                 var pathName = pathNames[j];
                 if (pathName === '') continue;
-
                 path += pathName;
-                if (del({ domain: domain, path: path }) || del({ path: path }))
+                if (
+                    del({
+                        domain: domain,
+                        path: path
+                    }) ||
+                    del({
+                        path: path
+                    })
+                )
                     return;
-
                 path += '/';
-                if (del({ domain: domain, path: path }) || del({ path: path }))
+                if (
+                    del({
+                        domain: domain,
+                        path: path
+                    }) ||
+                    del({
+                        path: path
+                    })
+                )
                     return;
             }
         }
 
         function del(options) {
             options = options || {};
-
             cookie.remove(key, options);
-
             return !cookie.get(key);
         }
-    }
+    };
 
     return exports;
-})();
+})({});
 
 /* ------------------------------ rtrim ------------------------------ */
 
-export var rtrim = _.rtrim = (function () {
+export var rtrim = _.rtrim = (function (exports) {
     /* Remove chars or white-spaces from end of string.
      *
-     * |Name  |Type        |Desc              |
-     * |------|------------|------------------|
-     * |str   |string      |String to trim    |
-     * |chars |string array|Characters to trim|
-     * |return|string      |Trimmed string    |
-     *
-     * ```javascript
+     * |Name   |Type        |Desc              |
+     * |-------|------------|------------------|
+     * |str    |string      |String to trim    |
+     * |[chars]|string array|Characters to trim|
+     * |return |string      |Trimmed string    |
+     */
+
+    /* example
      * rtrim(' abc  '); // -> ' abc'
      * rtrim('_abc_', '_'); // -> '_abc'
      * rtrim('_abc_', ['c', '_']); // -> '_ab'
-     * ```
      */
 
-    /* module
-     * env: all
-     * test: all
+    /* typescript
+     * export declare function rtrim(str: string, chars?: string | string[]): string;
      */
-
     var regSpace = /\s+$/;
 
-    function exports(str, chars) {
+    exports = function exports(str, chars) {
         if (chars == null) return str.replace(regSpace, '');
-
         var end = str.length - 1,
             charLen = chars.length,
             found = true,
@@ -6434,14 +6530,14 @@ export var rtrim = _.rtrim = (function () {
         }
 
         return end >= 0 ? str.substring(0, end + 1) : '';
-    }
+    };
 
     return exports;
-})();
+})({});
 
 /* ------------------------------ trim ------------------------------ */
 
-export var trim = _.trim = (function () {
+export var trim = _.trim = (function (exports) {
     /* Remove chars or white-spaces from beginning end of string.
      *
      * |Name  |Type        |Desc              |
@@ -6449,17 +6545,16 @@ export var trim = _.trim = (function () {
      * |str   |string      |String to trim    |
      * |chars |string array|Characters to trim|
      * |return|string      |Trimmed string    |
-     *
-     * ```javascript
+     */
+
+    /* example
      * trim(' abc  '); // -> 'abc'
      * trim('_abc_', '_'); // -> 'abc'
      * trim('_abc_', ['a', 'c', '_']); // -> 'b'
-     * ```
      */
 
-    /* module
-     * env: all
-     * test: all
+    /* typescript
+     * export declare function trim(str: string, chars?: string | string[]): string;
      */
 
     /* dependencies
@@ -6468,18 +6563,17 @@ export var trim = _.trim = (function () {
 
     var regSpace = /^\s+|\s+$/g;
 
-    function exports(str, chars) {
+    exports = function exports(str, chars) {
         if (chars == null) return str.replace(regSpace, '');
-
         return ltrim(rtrim(str, chars), chars);
-    }
+    };
 
     return exports;
-})();
+})({});
 
 /* ------------------------------ getFileName ------------------------------ */
 
-export var getFileName = _.getFileName = (function () {
+export var getFileName = _.getFileName = (function (exports) {
     /* Extract file name from url.
      */
 
@@ -6496,7 +6590,7 @@ export var getFileName = _.getFileName = (function () {
     }
 
     return exports;
-})();
+})({});
 
 /* ------------------------------ query ------------------------------ */
 
@@ -6520,17 +6614,19 @@ export var query = _.query = (function (exports) {
      * |------|------|------------|
      * |obj   |object|Query object|
      * |return|string|Query string|
-     *
-     * ```javascript
+     */
+
+    /* example
      * query.parse('foo=bar&eruda=true'); // -> {foo: 'bar', eruda: 'true'}
      * query.stringify({foo: 'bar', eruda: 'true'}); // -> 'foo=bar&eruda=true'
      * query.parse('name=eruda&name=eustia'); // -> {name: ['eruda', 'eustia']}
-     * ```
      */
 
-    /* module
-     * env: all
-     * test: all
+    /* typescript
+     * export declare const query: {
+     *     parse(str: string): any;
+     *     stringify(object: any): string;
+     * };
      */
 
     /* dependencies
@@ -6538,17 +6634,13 @@ export var query = _.query = (function (exports) {
      */
 
     exports = {
-        parse: function(str) {
+        parse: function parse(str) {
             var ret = {};
-
             str = trim(str).replace(regIllegalChars, '');
-
             each(str.split('&'), function(param) {
                 var parts = param.split('=');
-
                 var key = parts.shift(),
                     val = parts.length > 0 ? parts.join('=') : null;
-
                 key = decodeURIComponent(key);
                 val = decodeURIComponent(val);
 
@@ -6560,15 +6652,13 @@ export var query = _.query = (function (exports) {
                     ret[key] = [ret[key], val];
                 }
             });
-
             return ret;
         },
-        stringify: function(obj, arrKey) {
+        stringify: function stringify(obj, arrKey) {
             return filter(
                 map(obj, function(val, key) {
                     if (isObj(val) && isEmpty(val)) return '';
                     if (isArr(val)) return exports.stringify(val, key);
-
                     return (
                         (arrKey
                             ? encodeURIComponent(arrKey)
@@ -6583,7 +6673,6 @@ export var query = _.query = (function (exports) {
             ).join('&');
         }
     };
-
     var regIllegalChars = /^(\?|#|&)/g;
 
     return exports;
@@ -6612,7 +6701,7 @@ export var Url = _.Url = (function (exports) {
      *
      * |Name  |Type  |Desc        |
      * |------|------|------------|
-     * |names |object|query object|
+     * |query |object|query object|
      * |return|Url   |this        |
      *
      * ### rmQuery
@@ -6654,33 +6743,60 @@ export var Url = _.Url = (function (exports) {
      * |pathname|URL path                                                                              |
      * |query   |Parsed object containing query string                                                 |
      * |hash    |The "fragment" portion of the URL including the pound-sign (#)                        |
-     *
-     * ```javascript
+     */
+
+    /* example
      * var url = new Url('http://example.com:8080?eruda=true');
      * console.log(url.port); // -> '8080'
      * url.query.foo = 'bar';
      * url.rmQuery('eruda');
-     * utl.toString(); // -> 'http://example.com:8080/?foo=bar'
-     * ```
+     * url.toString(); // -> 'http://example.com:8080/?foo=bar'
      */
 
-    /* module
-     * env: all
-     * test: all
+    /* typescript
+     * export declare namespace Url {
+     *     interface IUrl {
+     *         protocol: string;
+     *         auth: string;
+     *         hostname: string;
+     *         hash: string;
+     *         query: any;
+     *         port: string;
+     *         pathname: string;
+     *         slashes: boolean;
+     *     }
+     * }
+     * export declare class Url {
+     *     protocol: string;
+     *     auth: string;
+     *     hostname: string;
+     *     hash: string;
+     *     query: any;
+     *     port: string;
+     *     pathname: string;
+     *     slashes: boolean;
+     *     constructor(url: string);
+     *     setQuery(name: string, value: string): Url;
+     *     setQuery(query: { [name: string]: string }): Url;
+     *     rmQuery(name: string | string[]): Url;
+     *     toString(): string;
+     *     static parse(url: string): Url.IUrl;
+     *     static stringify(object: Url.IUrl): string;
+     * }
      */
 
     /* dependencies
-     * Class extend trim query isEmpty each isArr toArr isBrowser 
+     * Class extend trim query isEmpty each isArr toArr isBrowser isObj 
      */
 
     exports = Class(
         {
             className: 'Url',
-            initialize: function(url) {
+            initialize: function initialize(url) {
                 if (!url && isBrowser) url = window.location.href;
                 extend(this, exports.parse(url || ''));
             },
-            setQuery: function(name, val) {
+            setQuery: function setQuery(name, val) {
                 var query = this.query;
 
                 if (isObj(name)) {
@@ -6693,22 +6809,20 @@ export var Url = _.Url = (function (exports) {
 
                 return this;
             },
-            rmQuery: function(name) {
+            rmQuery: function rmQuery(name) {
                 var query = this.query;
-
                 if (!isArr(name)) name = toArr(name);
                 each(name, function(key) {
                     delete query[key];
                 });
-
                 return this;
             },
-            toString: function() {
+            toString: function toString() {
                 return exports.stringify(this);
             }
         },
         {
-            parse: function(url) {
+            parse: function parse(url) {
                 var ret = {
                         protocol: '',
                         auth: '',
@@ -6720,8 +6834,8 @@ export var Url = _.Url = (function (exports) {
                         slashes: false
                     },
                     rest = trim(url);
-
                 var proto = rest.match(regProto);
+
                 if (proto) {
                     proto = proto[0];
                     ret.protocol = proto.toLowerCase();
@@ -6730,6 +6844,7 @@ export var Url = _.Url = (function (exports) {
 
                 if (proto) {
                     var slashes = rest.substr(0, 2) === '//';
+
                     if (slashes) {
                         rest = rest.slice(2);
                         ret.slashes = true;
@@ -6738,6 +6853,7 @@ export var Url = _.Url = (function (exports) {
 
                 if (slashes) {
                     var hostEnd = -1;
+
                     for (var i = 0, len = hostEndingChars.length; i < len; i++) {
                         var pos = rest.indexOf(hostEndingChars[i]);
                         if (pos !== -1 && (hostEnd === -1 || pos < hostEnd))
@@ -6746,7 +6862,6 @@ export var Url = _.Url = (function (exports) {
 
                     var host = rest.slice(0, hostEnd);
                     rest = rest.slice(hostEnd);
-
                     var atSign = host.lastIndexOf('@');
 
                     if (atSign !== -1) {
@@ -6756,6 +6871,7 @@ export var Url = _.Url = (function (exports) {
 
                     ret.hostname = host;
                     var port = host.match(regPort);
+
                     if (port) {
                         port = port[0];
                         if (port !== ':') ret.port = port.substr(1);
@@ -6778,10 +6894,9 @@ export var Url = _.Url = (function (exports) {
                 }
 
                 ret.pathname = rest || '/';
-
                 return ret;
             },
-            stringify: function(obj) {
+            stringify: function stringify(obj) {
                 var ret =
                     obj.protocol +
                     (obj.slashes ? '//' : '') +
@@ -6789,15 +6904,12 @@ export var Url = _.Url = (function (exports) {
                     obj.hostname +
                     (obj.port ? ':' + obj.port : '') +
                     obj.pathname;
-
                 if (!isEmpty(obj.query)) ret += '?' + query.stringify(obj.query);
                 if (obj.hash) ret += obj.hash;
-
                 return ret;
             }
         }
     );
-
     var regProto = /^([a-z0-9.+-]+:)/i,
         regPort = /:[0-9]*$/,
         hostEndingChars = ['/', '?', '#'];
@@ -6807,7 +6919,7 @@ export var Url = _.Url = (function (exports) {
 
 /* ------------------------------ ajax ------------------------------ */
 
-export var ajax = _.ajax = (function () {
+export var ajax = _.ajax = (function (exports) {
     /* Perform an asynchronous HTTP request.
      *
      * |Name   |Type  |Desc        |
@@ -6818,6 +6930,7 @@ export var ajax = _.ajax = (function () {
      *
      * |Name                                         |Type         |Desc                       |
      * |---------------------------------------------|-------------|---------------------------|
+     * |type=get                                     |type         |Request type               |
      * |url                                          |string       |Request url                |
      * |data                                         |string object|Request data               |
      * |dataType=json                                |string       |Response type(json, xml)   |
@@ -6841,38 +6954,58 @@ export var ajax = _.ajax = (function () {
      * |[data]  |string object|Request data    |
      * |success |function     |Success callback|
      * |dataType|function     |Response type   |
-     *
-     * ```javascript
+     */
+
+    /* example
      * ajax({
      *     url: 'http://example.com',
      *     data: {test: 'true'},
-     *     error: function () {},
-     *     success: function (data)
-     *     {
+     *     error() {},
+     *     success(data) {
      *         // ...
      *     },
      *     dataType: 'json'
      * });
      *
-     * ajax.get('http://example.com', {}, function (data)
-     * {
+     * ajax.get('http://example.com', {}, function (data) {
      *     // ...
      * });
-     * ```
      */
 
-    /* module
-     * env: browser
-     * test: manual
+    /* typescript
+     * export declare namespace ajax {
+     *     interface IOptions {
+     *         url: string;
+     *         data?: string | {};
+     *         dataType?: string;
+     *         contentType?: string;
+     *         success?: Function;
+     *         error?: Function;
+     *         complete?: Function;
+     *         timeout?: number;
+     *     }
+     *     function get(url: string, data: any, success: Function, dataType?: string): XMLHttpRequest;
+     *     function post(url: string, data: any, success: Function, dataType?: string): XMLHttpRequest;
+     * }
+     * export declare function ajax(options: ajax.IOptions): XMLHttpRequest;
      */
 
     /* dependencies
      * isFn noop defaults isObj query 
      */
 
-    function exports(options) {
-        defaults(options, exports.setting);
+    exports = (function(_exports) {
+        function exports(_x) {
+            return _exports.apply(this, arguments);
+        }
 
+        exports.toString = function() {
+            return _exports.toString();
+        };
+
+        return exports;
+    })(function(options) {
+        defaults(options, exports.setting);
         var type = options.type,
             url = options.url,
             data = options.data,
@@ -6886,19 +7019,19 @@ export var ajax = _.ajax = (function () {
 
         xhr.onreadystatechange = function() {
             if (xhr.readyState !== 4) return;
-
             clearTimeout(abortTimeout);
-
             var result;
-
             var status = xhr.status;
+
             if ((status >= 200 && status < 300) || status === 304) {
                 result = xhr.responseText;
                 if (dataType === 'xml') result = xhr.responseXML;
+
                 try {
                     if (dataType === 'json') result = JSON.parse(result);
                     /* eslint-disable no-empty */
                 } catch (e) {}
+
                 success(result, xhr);
             } else {
                 error(xhr);
@@ -6927,10 +7060,10 @@ export var ajax = _.ajax = (function () {
                 complete(xhr);
             }, timeout);
         }
-        xhr.send(type === 'GET' ? null : data);
 
+        xhr.send(type === 'GET' ? null : data);
         return xhr;
-    }
+    });
 
     exports.setting = {
         type: 'GET',
@@ -6940,7 +7073,7 @@ export var ajax = _.ajax = (function () {
         dataType: 'json',
         contentType: 'application/x-www-form-urlencoded',
         data: {},
-        xhr: function() {
+        xhr: function xhr() {
             return new XMLHttpRequest();
         },
         timeout: 0
@@ -6953,7 +7086,6 @@ export var ajax = _.ajax = (function () {
     exports.post = function() {
         var options = parseArgs.apply(null, arguments);
         options.type = 'POST';
-
         return exports(options);
     };
 
@@ -6973,93 +7105,88 @@ export var ajax = _.ajax = (function () {
     }
 
     return exports;
-})();
+})({});
 
 /* ------------------------------ type ------------------------------ */
 
-export var type = _.type = (function () {
+export var type = _.type = (function (exports) {
     /* Determine the internal JavaScript [[Class]] of an object.
      *
      * |Name  |Type  |Desc                      |
      * |------|------|--------------------------|
      * |val   |*     |Value to get type         |
      * |return|string|Type of object, lowercased|
-     *
-     * ```javascript
+     */
+
+    /* example
      * type(5); // -> 'number'
      * type({}); // -> 'object'
      * type(function () {}); // -> 'function'
      * type([]); // -> 'array'
-     * ```
      */
 
-    /* module
-     * env: all
-     * test: all
+    /* typescript
+     * export declare function type(val: any): string;
      */
 
     /* dependencies
      * objToStr isNaN 
      */
 
-    function exports(val) {
+    exports = function exports(val) {
         if (val === null) return 'null';
         if (val === undefined) return 'undefined';
         if (isNaN(val)) return 'nan';
-
         var ret = objToStr(val).match(regObj);
-
         if (!ret) return '';
-
         return ret[1].toLowerCase();
-    }
+    };
 
     var regObj = /^\[object\s+(.*?)]$/;
 
     return exports;
-})();
+})({});
 
 /* ------------------------------ stringify ------------------------------ */
 
-export var stringify = _.stringify = (function () {
+export var stringify = _.stringify = (function (exports) {
     /* JSON stringify with support for circular object, function etc.
      *
      * Undefined is treated as null value.
-     *  
+     *
      * |Name  |Type  |Desc               |
      * |------|------|-------------------|
      * |obj   |object|Object to stringify|
      * |spaces|number|Indent spaces      |
      * |return|string|Stringified object |
-     * 
-     * ```javascript
-     * stringify({a: function () {}}); // -> '{"a":"[Function function () {}]"}'
-     * var obj = {a: 1};
-     * obj.b = obj;
-     * stringify(obj); // -> '{"a":1,"b":"[Circular ~]"}'
-     * ```
      */
 
-    /* module
-     * env: all
-     * test: all
+    /* example
+     * stringify({a: function () {}}); // -> '{"a":"[Function function () {}]"}'
+     * var obj = {a: 1, b: {}};
+     * obj.b = obj;
+     * stringify(obj); // -> '{"a":1,"b":"[Circular ~]"}'
+     */
+
+    /* typescript
+     * export declare function stringify(obj: any, spaces?: number): string;
      */
 
     /* dependencies
      * type upperFirst toStr isUndef isFn isRegExp 
      */
 
-    function exports(obj, spaces) {
+    exports = function exports(obj, spaces) {
         return JSON.stringify(obj, serializer(), spaces);
-    }
+    };
 
     function serializer() {
         var stack = [],
             keys = [];
-
         return function(key, val) {
             if (stack.length > 0) {
                 var pos = stack.indexOf(this);
+
                 if (pos > -1) {
                     stack.splice(pos + 1);
                     keys.splice(pos, Infinity, key);
@@ -7069,6 +7196,7 @@ export var stringify = _.stringify = (function () {
                 }
 
                 var valPos = stack.indexOf(val);
+
                 if (valPos > -1) {
                     if (stack[0] === val) {
                         val = '[Circular ~]';
@@ -7092,31 +7220,32 @@ export var stringify = _.stringify = (function () {
     }
 
     return exports;
-})();
+})({});
 
 /* ------------------------------ LocalStore ------------------------------ */
 
 export var LocalStore = _.LocalStore = (function (exports) {
     /* LocalStorage wrapper.
-     * 
+     *
      * Extend from Store.
-     * 
+     *
      * ### constructor
-     * 
+     *
      * |Name|Type  |Desc                  |
      * |----|------|----------------------|
      * |name|string|LocalStorage item name|
      * |data|object|Default data          |
-     * 
-     * ```javascript
-     * var store = new LocalStore('licia');
-     * store.set('name', 'licia');
-     * ```
      */
 
-    /* module
-     * env: browser
-     * test: browser
+    /* example
+     * var store = new LocalStore('licia');
+     * store.set('name', 'licia');
+     */
+
+    /* typescript
+     * export declare class LocalStore extends Store {
+     *     constructor(name: string, data?: {});
+     * }
      */
 
     /* dependencies
@@ -7124,22 +7253,23 @@ export var LocalStore = _.LocalStore = (function (exports) {
      */
 
     var localStorage = safeStorage('local');
-
     exports = Store.extend({
         initialize: function LocalStore(name, data) {
             this._name = name;
-
+            data = data || {};
             var localData = localStorage.getItem(name);
+
             try {
                 localData = JSON.parse(localData);
             } catch (e) {
                 localData = {};
             }
+
             if (!isObj(localData)) localData = {};
             data = defaults(localData, data);
             this.callSuper(Store, 'initialize', [data]);
         },
-        save: function(data) {
+        save: function save(data) {
             if (isEmpty(data)) return localStorage.removeItem(this._name);
             localStorage.setItem(this._name, stringify(data));
         }
@@ -7150,64 +7280,59 @@ export var LocalStore = _.LocalStore = (function (exports) {
 
 /* ------------------------------ stripHtmlTag ------------------------------ */
 
-export var stripHtmlTag = _.stripHtmlTag = (function () {
+export var stripHtmlTag = _.stripHtmlTag = (function (exports) {
     /* Strip html tags from a string.
      *
      * |Name  |Type  |Desc           |
      * |------|------|---------------|
      * |str   |string|String to strip|
      * |return|string|Resulted string|
-     *
-     * ```javascript
+     */
+
+    /* example
      * stripHtmlTag('<p>Hello</p>'); // -> 'Hello'
-     * ```
      */
 
-    /* module
-     * env: all
-     * test: all
+    /* typescript
+     * export declare function stripHtmlTag(str: string): string;
      */
-
     var regHtmlTag = /<[^>]*>/g;
 
-    function exports(str) {
+    exports = function exports(str) {
         return str.replace(regHtmlTag, '');
-    }
+    };
 
     return exports;
-})();
+})({});
 
 /* ------------------------------ tryIt ------------------------------ */
 
-export var tryIt = _.tryIt = (function () {
+export var tryIt = _.tryIt = (function (exports) {
     /* Run function in a try catch.
-     * 
+     *
      * |Name|Type    |Desc                 |
      * |----|--------|---------------------|
      * |fn  |function|Function to try catch|
      * |[cb]|function|Callback             |
-     * 
-     * ```javascript
-     * tryIt(function () 
-     * {
-     *     // Do something that might cause an error.
-     * }, function (err, result) 
-     * {
-     *     if (err) console.log(err);
-     * });
-     * ```
      */
 
-    /* module
-     * env: all
-     * test: all
+    /* example
+     * tryIt(function () {
+     *     // Do something that might cause an error.
+     * }, function (err, result) {
+     *     if (err) console.log(err);
+     * });
+     */
+
+    /* typescript
+     * export declare function tryIt(fn: Function, cb?: Function): void;
      */
 
     /* dependencies
      * noop 
      */
 
-    function exports(fn, cb) {
+    exports = function exports(fn, cb) {
         cb = cb || noop;
 
         try {
@@ -7216,45 +7341,42 @@ export var tryIt = _.tryIt = (function () {
             cb(e);
             return;
         }
-    }
+    };
 
     return exports;
-})();
+})({});
 
 /* ------------------------------ uniqId ------------------------------ */
 
-export var uniqId = _.uniqId = (function () {
+export var uniqId = _.uniqId = (function (exports) {
     /* Generate a globally-unique id.
      *
-     * |Name  |Type  |Desc              |
-     * |------|------|------------------|
-     * |prefix|string|Id prefix         |
-     * |return|string|Globally-unique id|
-     *
-     * ```javascript
+     * |Name    |Type  |Desc              |
+     * |--------|------|------------------|
+     * |[prefix]|string|Id prefix         |
+     * |return  |string|Globally-unique id|
+     */
+
+    /* example
      * uniqId('eusita_'); // -> 'eustia_xxx'
-     * ```
      */
 
-    /* module
-     * env: all
-     * test: all
+    /* typescript
+     * export declare function uniqId(prefix?: string): string;
      */
-
     var idCounter = 0;
 
-    function exports(prefix) {
+    exports = function exports(prefix) {
         var id = ++idCounter + '';
-
         return prefix ? prefix + id : id;
-    }
+    };
 
     return exports;
-})();
+})({});
 
 /* ------------------------------ unique ------------------------------ */
 
-export var unique = _.unique = (function () {
+export var unique = _.unique = (function (exports) {
     /* Create duplicate-free version of an array.
      *
      * |Name     |Type    |Desc                         |
@@ -7262,24 +7384,25 @@ export var unique = _.unique = (function () {
      * |arr      |array   |Array to inspect             |
      * |[compare]|function|Function for comparing values|
      * |return   |array   |New duplicate free array     |
-     *
-     * ```javascript
-     * unique([1, 2, 3, 1]); // -> [1, 2, 3]
-     * ```
      */
 
-    /* module
-     * env: all
-     * test: all
+    /* example
+     * unique([1, 2, 3, 1]); // -> [1, 2, 3]
+     */
+
+    /* typescript
+     * export declare function unique(
+     *     arr: any[],
+     *     compare?: (a: any, b: any) => boolean | number
+     * ): any[];
      */
 
     /* dependencies
      * filter 
      */
 
-    function exports(arr, compare) {
+    exports = function exports(arr, compare) {
         compare = compare || isEqual;
-
         return filter(arr, function(item, idx, arr) {
             var len = arr.length;
 
@@ -7289,103 +7412,91 @@ export var unique = _.unique = (function () {
 
             return true;
         });
-    }
+    };
 
     function isEqual(a, b) {
         return a === b;
     }
 
     return exports;
-})();
+})({});
 
 /* ------------------------------ viewportScale ------------------------------ */
 
-export var viewportScale = _.viewportScale = (function () {
+export var viewportScale = _.viewportScale = (function (exports) {
     /* Get viewport scale.
-     * 
-     * ```javascript
-     * viewportScale(); // -> 3
-     * ```
      */
 
-    /* module
-     * env: browser
-     * test: browser
+    /* example
+     * viewportScale(); // -> 3
+     */
+
+    /* typescript
+     * export declare function viewportScale(): number;
      */
 
     /* dependencies
      * meta clamp trim each map isNaN 
      */
 
-    function exports() {
+    exports = function exports() {
         var viewport = meta('viewport');
-
         if (!viewport) return 1;
-
         viewport = map(viewport.split(','), function(val) {
             return trim(val);
         });
-
         var minScale = 0.25,
             maxScale = 5,
             initialScale = 1;
-
         each(viewport, function(val) {
             val = val.split('=');
-
             var key = val[0];
             val = val[1];
-
             if (key === 'initial-scale') initialScale = +val;
             if (key === 'maximum-scale') maxScale = +val;
             if (key === 'minimum-scale') minScale = +val;
         });
+        var ret = clamp(initialScale, minScale, maxScale); // Some will use ';' to be the separator, need to avoid the wrong result.
 
-        var ret = clamp(initialScale, minScale, maxScale);
-
-        // Some will use ';' to be the separator, need to avoid the wrong result.
         if (isNaN(ret)) return 1;
-
         return ret;
-    }
+    };
 
     return exports;
-})();
+})({});
 
 /* ------------------------------ wrap ------------------------------ */
 
-export var wrap = _.wrap = (function () {
+export var wrap = _.wrap = (function (exports) {
     /* Wrap the function inside a wrapper function, passing it as the first argument.
      *
      * |Name   |Type    |Desc            |
      * |-------|--------|----------------|
-     * |fn     |*       |Function to wrap|
+     * |fn     |function|Function to wrap|
      * |wrapper|function|Wrapper function|
      * |return |function|New function    |
-     *
-     * ```javascript
-     * var p = wrap(escape, function(fn, text)
-     * {
+     */
+
+    /* example
+     * var p = wrap(escape, function(fn, text) {
      *     return '<p>' + fn(text) + '</p>';
      * });
      * p('You & Me'); // -> '<p>You &amp; Me</p>'
-     * ```
      */
 
-    /* module
-     * env: all
-     * test: all
+    /* typescript
+     * export declare function wrap(fn: Function, wrapper: Function): Function;
      */
 
     /* dependencies
      * partial 
      */
 
-    function exports(fn, wrapper) {
+    exports = function exports(fn, wrapper) {
         return partial(wrapper, fn);
-    }
+    };
 
     return exports;
-})();
+})({});
 
 export default _;
\ No newline at end of file
diff --git a/test/util.js b/test/util.js
index 20d90df..ac107a4 100644
--- a/test/util.js
+++ b/test/util.js
@@ -10,6 +10,7 @@
     } else { root.util = factory(); }
 }(this, function ()
 {
+    /* eslint-disable */
     "use strict";
 
     var _ = {};
@@ -18,27 +19,43 @@
 
     /* ------------------------------ noop ------------------------------ */
 
-    var noop = _.noop = (function () {
+    var noop = _.noop = (function (exports) {
         /* A no-operation function.
-         *
-         * ```javascript
+         */
+
+        /* example
          * noop(); // Does nothing
-         * ```
          */
 
-        /* module
-         * env: all
-         * test: all
+        /* typescript
+         * export declare function noop(): void;
          */
-
-        function exports() {}
+        exports = function exports() {};
 
         return exports;
-    })();
+    })({});
 
     /* ------------------------------ isObj ------------------------------ */
 
-    var isObj = _.isObj = (function () {
+    var isObj = _.isObj = (function (exports) {
+        function _typeof(obj) {
+            if (typeof Symbol === 'function' && typeof Symbol.iterator === 'symbol') {
+                _typeof = function _typeof(obj) {
+                    return typeof obj;
+                };
+            } else {
+                _typeof = function _typeof(obj) {
+                    return obj &&
+                        typeof Symbol === 'function' &&
+                        obj.constructor === Symbol &&
+                        obj !== Symbol.prototype
+                        ? 'symbol'
+                        : typeof obj;
+                };
+            }
+            return _typeof(obj);
+        }
+
         /* Check if value is the language type of Object.
          *
          * |Name  |Type   |Desc                      |
@@ -47,30 +64,28 @@
          * |return|boolean|True if value is an object|
          *
          * [Language Spec](http://www.ecma-international.org/ecma-262/6.0/#sec-ecmascript-language-types)
-         *
-         * ```javascript
+         */
+
+        /* example
          * isObj({}); // -> true
          * isObj([]); // -> true
-         * ```
          */
 
-        /* module
-         * env: all
-         * test: all
+        /* typescript
+         * export declare function isObj(val: any): boolean;
          */
-
-        function exports(val) {
-            var type = typeof val;
+        exports = function exports(val) {
+            var type = _typeof(val);
 
             return !!val && (type === 'function' || type === 'object');
-        }
+        };
 
         return exports;
-    })();
+    })({});
 
     /* ------------------------------ allKeys ------------------------------ */
 
-    var allKeys = _.allKeys = (function () {
+    var allKeys = _.allKeys = (function (exports) {
         /* Retrieve all the names of object's own and inherited properties.
          *
          * |Name  |Type  |Desc                       |
@@ -78,59 +93,57 @@
          * |obj   |object|Object to query            |
          * |return|array |Array of all property names|
          *
-         * > Members of Object's prototype won't be retrieved.
-         *
-         * ```javascript
+         * Members of Object's prototype won't be retrieved.
+         */
+
+        /* example
          * var obj = Object.create({zero: 0});
          * obj.one = 1;
          * allKeys(obj) // -> ['zero', 'one']
-         * ```
          */
 
-        /* module
-         * env: all
-         * test: all
+        /* typescript
+         * export declare function allKeys(obj: any): string[];
          */
-
-        function exports(obj) {
+        exports = function exports(obj) {
             var ret = [],
                 key;
 
-            for (key in obj) ret.push(key);
+            for (key in obj) {
+                ret.push(key);
+            }
 
             return ret;
-        }
+        };
 
         return exports;
-    })();
+    })({});
 
     /* ------------------------------ isUndef ------------------------------ */
 
-    var isUndef = _.isUndef = (function () {
+    var isUndef = _.isUndef = (function (exports) {
         /* Check if value is undefined.
          *
          * |Name  |Type   |Desc                      |
          * |------|-------|--------------------------|
          * |val   |*      |Value to check            |
          * |return|boolean|True if value is undefined|
-         *
-         * ```javascript
+         */
+
+        /* example
          * isUndef(void 0); // -> true
          * isUndef(null); // -> false
-         * ```
          */
 
-        /* module
-         * env: all
-         * test: all
+        /* typescript
+         * export declare function isUndef(val: any): boolean;
          */
-
-        function exports(val) {
+        exports = function exports(val) {
             return val === void 0;
-        }
+        };
 
         return exports;
-    })();
+    })({});
 
     /* ------------------------------ ucs2 ------------------------------ */
 
@@ -138,54 +151,53 @@
         /* UCS-2 encoding and decoding.
          *
          * ### encode
-         * 
+         *
          * Create a string using an array of code point values.
-         * 
+         *
          * |Name  |Type  |Desc                |
          * |------|------|--------------------|
          * |arr   |array |Array of code points|
          * |return|string|Encoded string      |
-         * 
+         *
          * ### decode
-         * 
+         *
          * Create an array of code point values using a string.
-         * 
+         *
          * |Name  |Type  |Desc                |
          * |------|------|--------------------|
          * |str   |string|Input string        |
          * |return|array |Array of code points|
-         * 
-         * ```javascript
+         */
+
+        /* example
          * ucs2.encode([0x61, 0x62, 0x63]); // -> 'abc'
          * ucs2.decode('abc'); // -> [0x61, 0x62, 0x63]
          * '𝌆'.length; // -> 2
          * ucs2.decode('𝌆').length; // -> 1
-         * ```
          */
 
-        /* module
-         * env: all
-         * test: all
+        /* typescript
+         * export declare const ucs2: {
+         *     encode(arr: number[]): string;
+         *     decode(str: string): number[];
+         * };
          */
-
         // https://mathiasbynens.be/notes/javascript-encoding
         exports = {
-            encode: function(arr) {
+            encode: function encode(arr) {
                 return String.fromCodePoint.apply(String, arr);
             },
-            decode: function(str) {
+            decode: function decode(str) {
                 var ret = [];
-
                 var i = 0,
                     len = str.length;
 
                 while (i < len) {
-                    var c = str.charCodeAt(i++);
+                    var c = str.charCodeAt(i++); // A high surrogate
 
-                    // A high surrogate
                     if (c >= 0xd800 && c <= 0xdbff && i < len) {
-                        var tail = str.charCodeAt(i++);
-                        // nextC >= 0xDC00 && nextC <= 0xDFFF
+                        var tail = str.charCodeAt(i++); // nextC >= 0xDC00 && nextC <= 0xDFFF
+
                         if ((tail & 0xfc00) === 0xdc00) {
                             // C = (H - 0xD800) * 0x400 + L - 0xDC00 + 0x10000
                             ret.push(((c & 0x3ff) << 10) + (tail & 0x3ff) + 0x10000);
@@ -211,44 +223,44 @@
         /* UTF-8 encoding and decoding.
          *
          * ### encode
-         * 
+         *
          * Turn any UTF-8 decoded string into UTF-8 encoded string.
-         * 
+         *
          * |Name  |Type  |Desc            |
          * |------|------|----------------|
          * |str   |string|String to encode|
          * |return|string|Encoded string  |
-         * 
+         *
          * ### decode
-         * 
-         * |Name        |Type   |Desc                  |
-         * |------------|-------|----------------------|
-         * |str         |string |String to decode      |
-         * |[safe=false]|boolean|Suppress error if true|
-         * |return      |string |Decoded string        |
-         * 
+         *
          * Turn any UTF-8 encoded string into UTF-8 decoded string.
-         * 
-         * ```javascript
-         * utf8.encode('\uD800\uDC00'); // ->  '\xF0\x90\x80\x80'
-         * utf8.decode('\xF0\x90\x80\x80'); // -> '\uD800\uDC00'
-         * ```
+         *
+         * |Name      |Type   |Desc                  |
+         * |----------|-------|----------------------|
+         * |str       |string |String to decode      |
+         * |safe=false|boolean|Suppress error if true|
+         * |return    |string |Decoded string        |
          */
 
-        /* module
-         * env: all
-         * test: all
+        /* example
+         * utf8.encode('\uD800\uDC00'); // ->  '\xF0\x90\x80\x80'
+         * utf8.decode('\xF0\x90\x80\x80'); // -> '\uD800\uDC00'
+         */
+
+        /* typescript
+         * export declare const utf8: {
+         *     encode(str: string): string;
+         *     decode(str: string, safe?: boolean): string;
+         * };
          */
 
         /* dependencies
          * ucs2 
-         */
+         */ // https://encoding.spec.whatwg.org/#utf-8
 
-        // https://encoding.spec.whatwg.org/#utf-8
         exports = {
-            encode: function(str) {
+            encode: function encode(str) {
                 var codePoints = ucs2.decode(str);
-
                 var byteArr = '';
 
                 for (var i = 0, len = codePoints.length; i < len; i++) {
@@ -266,9 +278,7 @@
                 bytesNeeded = 0;
                 lowerBoundary = 0x80;
                 upperBoundary = 0xbf;
-
                 var codePoints = [];
-
                 var tmp;
 
                 while ((tmp = decodeCodePoint(safe)) !== false) {
@@ -278,7 +288,6 @@
                 return ucs2.encode(codePoints);
             }
         };
-
         var fromCharCode = String.fromCharCode;
 
         function encodeCodePoint(codePoint) {
@@ -289,9 +298,8 @@
 
             var ret = '',
                 count,
-                offset;
+                offset; // U+0080 to U+07FF, inclusive
 
-            // U+0080 to U+07FF, inclusive
             if ((codePoint & 0xfffff800) === 0) {
                 count = 1;
                 offset = 0xc0;
@@ -334,31 +342,30 @@
                 }
 
                 if (byteIdx === byteCount) return false;
-
-                var byte = byteArr[byteIdx];
+                var _byte = byteArr[byteIdx];
                 byteIdx++;
 
                 if (!bytesNeeded) {
                     // 0x00 to 0x7F
-                    if ((byte & 0x80) === 0) {
-                        return byte;
-                    }
-                    // 0xC2 to 0xDF
-                    if ((byte & 0xe0) === 0xc0) {
+                    if ((_byte & 0x80) === 0) {
+                        return _byte;
+                    } // 0xC2 to 0xDF
+
+                    if ((_byte & 0xe0) === 0xc0) {
                         bytesNeeded = 1;
-                        codePoint = byte & 0x1f;
-                    } else if ((byte & 0xf0) === 0xe0) {
+                        codePoint = _byte & 0x1f;
+                    } else if ((_byte & 0xf0) === 0xe0) {
                         // 0xE0 to 0xEF
-                        if (byte === 0xe0) lowerBoundary = 0xa0;
-                        if (byte === 0xed) upperBoundary = 0x9f;
+                        if (_byte === 0xe0) lowerBoundary = 0xa0;
+                        if (_byte === 0xed) upperBoundary = 0x9f;
                         bytesNeeded = 2;
-                        codePoint = byte & 0xf;
-                    } else if ((byte & 0xf8) === 0xf0) {
+                        codePoint = _byte & 0xf;
+                    } else if ((_byte & 0xf8) === 0xf0) {
                         // 0xF0 to 0xF4
-                        if (byte === 0xf0) lowerBoundary = 0x90;
-                        if (byte === 0xf4) upperBoundary = 0x8f;
+                        if (_byte === 0xf0) lowerBoundary = 0x90;
+                        if (_byte === 0xf4) upperBoundary = 0x8f;
                         bytesNeeded = 3;
-                        codePoint = byte & 0x7;
+                        codePoint = _byte & 0x7;
                     } else {
                         if (safe) return goBack();
                         throw new Error('Invalid UTF-8 detected');
@@ -367,29 +374,24 @@
                     continue;
                 }
 
-                if (byte < lowerBoundary || byte > upperBoundary) {
+                if (_byte < lowerBoundary || _byte > upperBoundary) {
                     if (safe) {
                         byteIdx--;
                         return goBack();
                     }
+
                     throw new Error('Invalid continuation byte');
                 }
 
                 lowerBoundary = 0x80;
                 upperBoundary = 0xbf;
-
-                codePoint = (codePoint << 6) | (byte & 0x3f);
-
+                codePoint = (codePoint << 6) | (_byte & 0x3f);
                 bytesSeen++;
-
                 if (bytesSeen !== bytesNeeded) continue;
-
                 var tmp = codePoint;
-
                 codePoint = 0;
                 bytesNeeded = 0;
                 bytesSeen = 0;
-
                 return tmp;
             }
         }
@@ -402,7 +404,6 @@
             bytesSeen = 0;
             lowerBoundary = 0x80;
             upperBoundary = 0xbf;
-
             return byteArr[start];
         }
 
@@ -411,20 +412,19 @@
 
     /* ------------------------------ optimizeCb ------------------------------ */
 
-    var optimizeCb = _.optimizeCb = (function () {
+    var optimizeCb = _.optimizeCb = (function (exports) {
         /* Used for function context binding.
          */
 
-        /* module
-         * env: all
-         * test: all
+        /* typescript
+         * export declare function optimizeCb(fn: Function, ctx: any, argCount?: number): Function;
          */
 
         /* dependencies
          * isUndef 
          */
 
-        function exports(fn, ctx, argCount) {
+        exports = function exports(fn, ctx, argCount) {
             if (isUndef(ctx)) return fn;
 
             switch (argCount == null ? 3 : argCount) {
@@ -432,10 +432,12 @@
                     return function(val) {
                         return fn.call(ctx, val);
                     };
+
                 case 3:
                     return function(val, idx, collection) {
                         return fn.call(ctx, val, idx, collection);
                     };
+
                 case 4:
                     return function(accumulator, val, idx, collection) {
                         return fn.call(ctx, accumulator, val, idx, collection);
@@ -445,44 +447,78 @@
             return function() {
                 return fn.apply(ctx, arguments);
             };
-        }
+        };
 
         return exports;
-    })();
+    })({});
+
+    /* ------------------------------ types ------------------------------ */
+
+    var types = _.types = (function (exports) {
+        /* Used for typescript definitions only.
+         */
+
+        /* typescript
+         * export declare namespace types {
+         *     interface Collection<T> {}
+         *     interface List<T> extends Collection<T> {
+         *         [index: number]: T;
+         *         length: number;
+         *     }
+         *     interface ListIterator<T, TResult> {
+         *         (value: T, index: number, list: List<T>): TResult;
+         *     }
+         *     interface Dictionary<T> extends Collection<T> {
+         *         [index: string]: T;
+         *     }
+         *     interface ObjectIterator<T, TResult> {
+         *         (element: T, key: string, list: Dictionary<T>): TResult;
+         *     }
+         *     interface MemoIterator<T, TResult> {
+         *         (prev: TResult, curr: T, index: number, list: List<T>): TResult;
+         *     }
+         *     interface MemoObjectIterator<T, TResult> {
+         *         (prev: TResult, curr: T, key: string, list: Dictionary<T>): TResult;
+         *     }
+         * }
+         * export declare const types: {}
+         */
+        exports = {};
+
+        return exports;
+    })({});
 
     /* ------------------------------ toStr ------------------------------ */
 
-    var toStr = _.toStr = (function () {
+    var toStr = _.toStr = (function (exports) {
         /* Convert value to a string.
          *
          * |Name  |Type  |Desc            |
          * |------|------|----------------|
          * |val   |*     |Value to convert|
          * |return|string|Resulted string |
-         *
-         * ```javascript
+         */
+
+        /* example
          * toStr(null); // -> ''
          * toStr(1); // -> '1'
          * toStr(false); // -> 'false'
          * toStr([1, 2, 3]); // -> '1,2,3'
-         * ```
          */
 
-        /* module
-         * env: all
-         * test: all
+        /* typescript
+         * export declare function toStr(val: any): string;
          */
-
-        function exports(val) {
+        exports = function exports(val) {
             return val == null ? '' : val.toString();
-        }
+        };
 
         return exports;
-    })();
+    })({});
 
     /* ------------------------------ has ------------------------------ */
 
-    var has = _.has = (function () {
+    var has = _.has = (function (exports) {
         /* Checks if key is a direct property.
          *
          * |Name  |Type   |Desc                            |
@@ -490,118 +526,111 @@
          * |obj   |object |Object to query                 |
          * |key   |string |Path to check                   |
          * |return|boolean|True if key is a direct property|
-         *
-         * ```javascript
+         */
+
+        /* example
          * has({one: 1}, 'one'); // -> true
-         * ```
          */
 
-        /* module
-         * env: all
-         * test: all
+        /* typescript
+         * export declare function has(obj: {}, key: string): boolean;
          */
-
         var hasOwnProp = Object.prototype.hasOwnProperty;
 
-        function exports(obj, key) {
+        exports = function exports(obj, key) {
             return hasOwnProp.call(obj, key);
-        }
+        };
 
         return exports;
-    })();
+    })({});
 
     /* ------------------------------ identity ------------------------------ */
 
-    var identity = _.identity = (function () {
+    var identity = _.identity = (function (exports) {
         /* Return the first argument given.
          *
          * |Name  |Type|Desc       |
          * |------|----|-----------|
          * |val   |*   |Any value  |
          * |return|*   |Given value|
-         *
-         * ```javascript
+         */
+
+        /* example
          * identity('a'); // -> 'a'
-         * ```
          */
 
-        /* module
-         * env: all
-         * test: all
+        /* typescript
+         * export declare function identity<T>(val: T): T;
          */
-
-        function exports(val) {
+        exports = function exports(val) {
             return val;
-        }
+        };
 
         return exports;
-    })();
+    })({});
 
     /* ------------------------------ objToStr ------------------------------ */
 
-    var objToStr = _.objToStr = (function () {
+    var objToStr = _.objToStr = (function (exports) {
         /* Alias of Object.prototype.toString.
          *
          * |Name  |Type  |Desc                                |
          * |------|------|------------------------------------|
-         * |value |*     |Source value                        |
+         * |val   |*     |Source value                        |
          * |return|string|String representation of given value|
-         * 
-         * ```javascript
+         */
+
+        /* example
          * objToStr(5); // -> '[object Number]'
-         * ```
          */
 
-        /* module
-         * env: all
-         * test: all
+        /* typescript
+         * export declare function objToStr(val: any): string;
          */
-
         var ObjToStr = Object.prototype.toString;
 
-        function exports(val) {
+        exports = function exports(val) {
             return ObjToStr.call(val);
-        }
+        };
 
         return exports;
-    })();
+    })({});
 
     /* ------------------------------ isArgs ------------------------------ */
 
-    var isArgs = _.isArgs = (function () {
+    var isArgs = _.isArgs = (function (exports) {
         /* Check if value is classified as an arguments object.
          *
          * |Name  |Type   |Desc                                |
          * |------|-------|------------------------------------|
          * |val   |*      |Value to check                      |
          * |return|boolean|True if value is an arguments object|
-         *
-         * ```javascript
+         */
+
+        /* example
          * (function () {
          *     isArgs(arguments); // -> true
          * })();
-         * ```
          */
 
-        /* module
-         * env: all
-         * test: all
+        /* typescript
+         * export declare function isArgs(val: any): boolean;
          */
 
         /* dependencies
          * objToStr 
          */
 
-        function exports(val) {
+        exports = function exports(val) {
             return objToStr(val) === '[object Arguments]';
-        }
+        };
 
         return exports;
-    })();
+    })({});
 
     /* ------------------------------ isFn ------------------------------ */
 
-    var isFn = _.isFn = (function () {
+    var isFn = _.isFn = (function (exports) {
         /* Check if value is a function.
          *
          * |Name  |Type   |Desc                       |
@@ -610,70 +639,67 @@
          * |return|boolean|True if value is a function|
          *
          * Generator function is also classified as true.
-         *
-         * ```javascript
-         * isFn(function() {}); // -> true
-         * isFn(function*() {}); // -> true
-         * ```
          */
 
-        /* module
-         * env: all
-         * test: all
+        /* example
+         * isFn(function() {}); // -> true
+         * isFn(function*() {}); // -> true
+         */
+
+        /* typescript
+         * export declare function isFn(val: any): boolean;
          */
 
         /* dependencies
          * objToStr 
          */
 
-        function exports(val) {
+        exports = function exports(val) {
             var objStr = objToStr(val);
-
             return (
                 objStr === '[object Function]' ||
                 objStr === '[object GeneratorFunction]'
             );
-        }
+        };
 
         return exports;
-    })();
+    })({});
 
     /* ------------------------------ isNum ------------------------------ */
 
-    var isNum = _.isNum = (function () {
+    var isNum = _.isNum = (function (exports) {
         /* Check if value is classified as a Number primitive or object.
          *
          * |Name  |Type   |Desc                                 |
          * |------|-------|-------------------------------------|
          * |val   |*      |Value to check                       |
          * |return|boolean|True if value is correctly classified|
-         * 
-         * ```javascript
+         */
+
+        /* example
          * isNum(5); // -> true
          * isNum(5.1); // -> true
          * isNum({}); // -> false
-         * ```
          */
 
-        /* module
-         * env: all
-         * test: all
+        /* typescript
+         * export declare function isNum(val: any): boolean;
          */
 
         /* dependencies
          * objToStr 
          */
 
-        function exports(val) {
+        exports = function exports(val) {
             return objToStr(val) === '[object Number]';
-        }
+        };
 
         return exports;
-    })();
+    })({});
 
     /* ------------------------------ isArrLike ------------------------------ */
 
-    var isArrLike = _.isArrLike = (function () {
+    var isArrLike = _.isArrLike = (function (exports) {
         /* Check if value is array-like.
          *
          * |Name  |Type   |Desc                       |
@@ -681,18 +707,17 @@
          * |val   |*      |Value to check             |
          * |return|boolean|True if value is array like|
          *
-         * > Function returns false.
-         *
-         * ```javascript
+         * Function returns false.
+         */
+
+        /* example
          * isArrLike('test'); // -> true
          * isArrLike(document.body.children); // -> true;
          * isArrLike([1, 2, 3]); // -> true
-         * ```
          */
 
-        /* module
-         * env: all
-         * test: all
+        /* typescript
+         * export declare function isArrLike(val: any): boolean;
          */
 
         /* dependencies
@@ -701,16 +726,14 @@
 
         var MAX_ARR_IDX = Math.pow(2, 53) - 1;
 
-        function exports(val) {
+        exports = function exports(val) {
             if (!val) return false;
-
             var len = val.length;
-
             return isNum(len) && len >= 0 && len <= MAX_ARR_IDX && !isFn(val);
-        }
+        };
 
         return exports;
-    })();
+    })({});
 
     /* ------------------------------ isArr ------------------------------ */
 
@@ -721,16 +744,15 @@
          * |------|-------|----------------------------------|
          * |val   |*      |Value to check                    |
          * |return|boolean|True if value is an `Array` object|
-         *
-         * ```javascript
-         * isArr([]); // -> true
-         * isArr({}); // -> false
-         * ```
          */
 
-        /* module
-         * env: all
-         * test: all
+        /* example
+         * isArr([]); // -> true
+         * isArr({}); // -> false
+         */
+
+        /* typescript
+         * export declare function isArr(val: any): boolean;
          */
 
         /* dependencies
@@ -749,21 +771,39 @@
     /* ------------------------------ isBrowser ------------------------------ */
 
     var isBrowser = _.isBrowser = (function (exports) {
+        function _typeof(obj) {
+            if (typeof Symbol === 'function' && typeof Symbol.iterator === 'symbol') {
+                _typeof = function _typeof(obj) {
+                    return typeof obj;
+                };
+            } else {
+                _typeof = function _typeof(obj) {
+                    return obj &&
+                        typeof Symbol === 'function' &&
+                        obj.constructor === Symbol &&
+                        obj !== Symbol.prototype
+                        ? 'symbol'
+                        : typeof obj;
+                };
+            }
+            return _typeof(obj);
+        }
+
         /* Check if running in a browser.
-         *
-         * ```javascript
+         */
+
+        /* example
          * console.log(isBrowser); // -> true if running in a browser
-         * ```
          */
 
-        /* module
-         * env: all
-         * test: all
+        /* typescript
+         * export declare const isBrowser: boolean;
          */
-
         exports =
-            typeof window === 'object' &&
-            typeof document === 'object' &&
+            (typeof window === 'undefined' ? 'undefined' : _typeof(window)) ===
+                'object' &&
+            (typeof document === 'undefined' ? 'undefined' : _typeof(document)) ===
+                'object' &&
             document.nodeType === 9;
 
         return exports;
@@ -774,9 +814,8 @@
     var root = _.root = (function (exports) {
         /* Root object reference, `global` in nodeJs, `window` in browser. */
 
-        /* module
-         * env: all
-         * test: all
+        /* typescript
+         * export declare const root: any;
          */
 
         /* dependencies
@@ -790,37 +829,35 @@
 
     /* ------------------------------ detectMocha ------------------------------ */
 
-    var detectMocha = _.detectMocha = (function () {
+    var detectMocha = _.detectMocha = (function (exports) {
         /* Detect if mocha is running.
-         *
-         * ```javascript
-         * detectMocha(); // -> True if mocha is running.
-         * ```
          */
 
-        /* module
-         * env: all
-         * test: all
+        /* example
+         * detectMocha(); // -> True if mocha is running.
+         */
+
+        /* typescript
+         * export declare function detectMocha(): boolean;
          */
 
         /* dependencies
          * root 
          */
 
-        function exports() {
+        exports = function exports() {
             for (var i = 0, len = methods.length; i < len; i++) {
                 var method = methods[i];
-
                 if (typeof root[method] !== 'function') return false;
             }
 
             return true;
-        }
+        };
 
         var methods = ['afterEach', 'after', 'beforeEach', 'before', 'describe', 'it'];
 
         return exports;
-    })();
+    })({});
 
     /* ------------------------------ keys ------------------------------ */
 
@@ -831,15 +868,14 @@
          * |------|------|-----------------------|
          * |obj   |object|Object to query        |
          * |return|array |Array of property names|
-         * 
-         * ```javascript
-         * keys({a: 1}); // -> ['a']
-         * ```
          */
 
-        /* module
-         * env: all
-         * test: all
+        /* example
+         * keys({a: 1}); // -> ['a']
+         */
+
+        /* typescript
+         * export declare function keys(obj: any): string[];
          */
 
         /* dependencies
@@ -849,7 +885,7 @@
         if (Object.keys && !detectMocha()) {
             exports = Object.keys;
         } else {
-            exports = function(obj) {
+            exports = function exports(obj) {
                 var ret = [],
                     key;
 
@@ -866,52 +902,62 @@
 
     /* ------------------------------ each ------------------------------ */
 
-    var each = _.each = (function () {
-        /* Iterate over elements of collection and invokes iteratee for each element.
+    var each = _.each = (function (exports) {
+        /* Iterate over elements of collection and invokes iterator for each element.
          *
          * |Name    |Type        |Desc                          |
          * |--------|------------|------------------------------|
          * |obj     |object array|Collection to iterate over    |
-         * |iteratee|function    |Function invoked per iteration|
+         * |iterator|function    |Function invoked per iteration|
          * |[ctx]   |*           |Function context              |
-         *
-         * ```javascript
-         * each({'a': 1, 'b': 2}, function (val, key) {});
-         * ```
          */
 
-        /* module
-         * env: all
-         * test: all
+        /* example
+         * each({'a': 1, 'b': 2}, function (val, key) {});
+         */
+
+        /* typescript
+         * export declare function each<T>(
+         *     list: types.List<T>,
+         *     iterator: types.ListIterator<T, void>,
+         *     ctx?: any
+         * ): types.List<T>;
+         * export declare function each<T>(
+         *     object: types.Dictionary<T>,
+         *     iterator: types.ObjectIterator<T, void>,
+         *     ctx?: any
+         * ): types.Collection<T>;
          */
 
         /* dependencies
-         * isArrLike keys optimizeCb 
+         * isArrLike keys optimizeCb types 
          */
 
-        function exports(obj, iteratee, ctx) {
-            iteratee = optimizeCb(iteratee, ctx);
-
+        exports = function exports(obj, iterator, ctx) {
+            iterator = optimizeCb(iterator, ctx);
             var i, len;
 
             if (isArrLike(obj)) {
-                for (i = 0, len = obj.length; i < len; i++) iteratee(obj[i], i, obj);
+                for (i = 0, len = obj.length; i < len; i++) {
+                    iterator(obj[i], i, obj);
+                }
             } else {
                 var _keys = keys(obj);
+
                 for (i = 0, len = _keys.length; i < len; i++) {
-                    iteratee(obj[_keys[i]], _keys[i], obj);
+                    iterator(obj[_keys[i]], _keys[i], obj);
                 }
             }
 
             return obj;
-        }
+        };
 
         return exports;
-    })();
+    })({});
 
     /* ------------------------------ createAssigner ------------------------------ */
 
-    var createAssigner = _.createAssigner = (function () {
+    var createAssigner = _.createAssigner = (function (exports) {
         /* Used to create extend, extendOwn and defaults.
          *
          * |Name    |Type    |Desc                          |
@@ -921,33 +967,29 @@
          * |return  |function|Result function, extend...    |
          */
 
-        /* module
-         * env: all
-         * test: all
+        /* typescript
+         * export declare function createAssigner(keysFn: Function, defaults: boolean): Function;
          */
 
         /* dependencies
          * isUndef each 
          */
 
-        function exports(keysFn, defaults) {
+        exports = function exports(keysFn, defaults) {
             return function(obj) {
                 each(arguments, function(src, idx) {
                     if (idx === 0) return;
-
                     var keys = keysFn(src);
-
                     each(keys, function(key) {
                         if (!defaults || isUndef(obj[key])) obj[key] = src[key];
                     });
                 });
-
                 return obj;
             };
-        }
+        };
 
         return exports;
-    })();
+    })({});
 
     /* ------------------------------ defaults ------------------------------ */
 
@@ -959,15 +1001,14 @@
          * |obj   |object|Destination object|
          * |*src  |object|Sources objects   |
          * |return|object|Destination object|
-         *
-         * ```javascript
-         * defaults({name: 'RedHood'}, {name: 'Unknown', age: 24}); // -> {name: 'RedHood', age: 24}
-         * ```
          */
 
-        /* module
-         * env: all
-         * test: all
+        /* example
+         * defaults({name: 'RedHood'}, {name: 'Unknown', age: 24}); // -> {name: 'RedHood', age: 24}
+         */
+
+        /* typescript
+         * export declare function defaults(obj: any, ...src: any[]): any;
          */
 
         /* dependencies
@@ -984,20 +1025,19 @@
     var extendOwn = _.extendOwn = (function (exports) {
         /* Like extend, but only copies own properties over to the destination object.
          *
-         * |Name  |Type  |Desc              |
-         * |------|------|------------------|
-         * |obj   |object|Destination object|
-         * |*src  |object|Sources objects   |
-         * |return|object|Destination object|
-         *
-         * ```javascript
-         * extendOwn({name: 'RedHood'}, {age: 24}); // -> {name: 'RedHood', age: 24}
-         * ```
+         * |Name       |Type  |Desc              |
+         * |-----------|------|------------------|
+         * |destination|object|Destination object|
+         * |...sources |object|Sources objects   |
+         * |return     |object|Destination object|
          */
 
-        /* module
-         * env: all
-         * test: all
+        /* example
+         * extendOwn({name: 'RedHood'}, {age: 24}); // -> {name: 'RedHood', age: 24}
+         */
+
+        /* typescript
+         * export declare function extendOwn(destination: any, ...sources: any[]): any;
          */
 
         /* dependencies
@@ -1011,62 +1051,60 @@
 
     /* ------------------------------ isStr ------------------------------ */
 
-    var isStr = _.isStr = (function () {
+    var isStr = _.isStr = (function (exports) {
         /* Check if value is a string primitive.
          *
          * |Name  |Type   |Desc                               |
          * |------|-------|-----------------------------------|
          * |val   |*      |Value to check                     |
          * |return|boolean|True if value is a string primitive|
-         *
-         * ```javascript
-         * isStr('licia'); // -> true
-         * ```
          */
 
-        /* module
-         * env: all
-         * test: all
+        /* example
+         * isStr('licia'); // -> true
+         */
+
+        /* typescript
+         * export declare function isStr(val: any): boolean;
          */
 
         /* dependencies
          * objToStr 
          */
 
-        function exports(val) {
+        exports = function exports(val) {
             return objToStr(val) === '[object String]';
-        }
+        };
 
         return exports;
-    })();
+    })({});
 
     /* ------------------------------ isEmpty ------------------------------ */
 
-    var isEmpty = _.isEmpty = (function () {
+    var isEmpty = _.isEmpty = (function (exports) {
         /* Check if value is an empty object or array.
          *
          * |Name  |Type   |Desc                  |
          * |------|-------|----------------------|
          * |val   |*      |Value to check        |
          * |return|boolean|True if value is empty|
-         *
-         * ```javascript
+         */
+
+        /* example
          * isEmpty([]); // -> true
          * isEmpty({}); // -> true
          * isEmpty(''); // -> true
-         * ```
          */
 
-        /* module
-         * env: all
-         * test: all
+        /* typescript
+         * export declare function isEmpty(val: any): boolean;
          */
 
         /* dependencies
          * isArrLike isArr isStr isArgs keys 
          */
 
-        function exports(val) {
+        exports = function exports(val) {
             if (val == null) return true;
 
             if (isArrLike(val) && (isArr(val) || isStr(val) || isArgs(val))) {
@@ -1074,14 +1112,14 @@
             }
 
             return keys(val).length === 0;
-        }
+        };
 
         return exports;
-    })();
+    })({});
 
     /* ------------------------------ isMatch ------------------------------ */
 
-    var isMatch = _.isMatch = (function () {
+    var isMatch = _.isMatch = (function (exports) {
         /* Check if keys and values in src are contained in obj.
          *
          * |Name  |Type   |Desc                              |
@@ -1089,27 +1127,25 @@
          * |obj   |object |Object to inspect                 |
          * |src   |object |Object of property values to match|
          * |return|boolean|True if object is match           |
-         *
-         * ```javascript
-         * isMatch({a: 1, b: 2}, {a: 1}); // -> true
-         * ```
          */
 
-        /* module
-         * env: all
-         * test: all
+        /* example
+         * isMatch({a: 1, b: 2}, {a: 1}); // -> true
+         */
+
+        /* typescript
+         * export declare function isMatch(obj: any, src: any): boolean;
          */
 
         /* dependencies
          * keys 
          */
 
-        function exports(obj, src) {
+        exports = function exports(obj, src) {
             var _keys = keys(src),
                 len = _keys.length;
 
             if (obj == null) return !len;
-
             obj = Object(obj);
 
             for (var i = 0; i < len; i++) {
@@ -1118,39 +1154,36 @@
             }
 
             return true;
-        }
+        };
 
         return exports;
-    })();
+    })({});
 
     /* ------------------------------ ltrim ------------------------------ */
 
-    var ltrim = _.ltrim = (function () {
+    var ltrim = _.ltrim = (function (exports) {
         /* Remove chars or white-spaces from beginning of string.
          *
-         * |Name  |Type        |Desc              |
-         * |------|------------|------------------|
-         * |str   |string      |String to trim    |
-         * |chars |string array|Characters to trim|
-         * |return|string      |Trimmed string    |
-         *
-         * ```javascript
+         * |Name   |Type        |Desc              |
+         * |-------|------------|------------------|
+         * |str    |string      |String to trim    |
+         * |[chars]|string array|Characters to trim|
+         * |return |string      |Trimmed string    |
+         */
+
+        /* example
          * ltrim(' abc  '); // -> 'abc  '
          * ltrim('_abc_', '_'); // -> 'abc_'
          * ltrim('_abc_', ['a', '_']); // -> 'bc_'
-         * ```
          */
 
-        /* module
-         * env: all
-         * test: all
+        /* typescript
+         * export declare function ltrim(str: string, chars?: string | string[]): string;
          */
-
         var regSpace = /^\s+/;
 
-        function exports(str, chars) {
+        exports = function exports(str, chars) {
             if (chars == null) return str.replace(regSpace, '');
-
             var start = 0,
                 len = str.length,
                 charLen = chars.length,
@@ -1173,49 +1206,47 @@
             }
 
             return start >= len ? '' : str.substr(start, len);
-        }
+        };
 
         return exports;
-    })();
+    })({});
 
     /* ------------------------------ matcher ------------------------------ */
 
-    var matcher = _.matcher = (function () {
+    var matcher = _.matcher = (function (exports) {
         /* Return a predicate function that checks if attrs are contained in an object.
          *
          * |Name  |Type    |Desc                              |
          * |------|--------|----------------------------------|
          * |attrs |object  |Object of property values to match|
          * |return|function|New predicate function            |
-         *
-         * ```javascript
-         * var objects = [
+         */
+
+        /* example
+         * const objects = [
          *     {a: 1, b: 2, c: 3 },
          *     {a: 4, b: 5, c: 6 }
          * ];
-         * filter(objects, matcher({a: 4, c: 6 })); // -> [{a: 4, b: 5, c: 6 }]
-         * ```
+         * // filter(objects, matcher({a: 4, c: 6 }));
          */
 
-        /* module
-         * env: all
-         * test: all
+        /* typescript
+         * export declare function matcher(attrs: any): Function;
          */
 
         /* dependencies
          * extendOwn isMatch 
          */
 
-        function exports(attrs) {
+        exports = function exports(attrs) {
             attrs = extendOwn({}, attrs);
-
             return function(obj) {
                 return isMatch(obj, attrs);
             };
-        }
+        };
 
         return exports;
-    })();
+    })({});
 
     /* ------------------------------ safeCb ------------------------------ */
 
@@ -1223,22 +1254,18 @@
         /* Create callback based on input value.
          */
 
-        /* module
-         * env: all
-         * test: all
+        /* typescript
+         * export declare function safeCb(val?: any, ctx?: any, argCount?: number): Function;
          */
 
         /* dependencies
          * isFn isObj optimizeCb matcher identity 
          */
 
-        exports = function(val, ctx, argCount) {
+        exports = function exports(val, ctx, argCount) {
             if (val == null) return identity;
-
             if (isFn(val)) return optimizeCb(val, ctx, argCount);
-
             if (isObj(val)) return matcher(val);
-
             return function(key) {
                 return function(obj) {
                     return obj == null ? undefined : obj[key];
@@ -1251,7 +1278,7 @@
 
     /* ------------------------------ filter ------------------------------ */
 
-    var filter = _.filter = (function () {
+    var filter = _.filter = (function (exports) {
         /* Iterates over elements of collection, returning an array of all the values that pass a truth test.
          *
          * |Name     |Type    |Desc                                   |
@@ -1260,41 +1287,45 @@
          * |predicate|function|Function invoked per iteration         |
          * |[ctx]    |*       |Predicate context                      |
          * |return   |array   |Array of all values that pass predicate|
-         *
-         * ```javascript
-         * filter([1, 2, 3, 4, 5], function (val)
-         * {
-         *     return val % 2 === 0;
-         * }); // -> [2, 4]
-         * ```
          */
 
-        /* module
-         * env: all
-         * test: all
+        /* example
+         * filter([1, 2, 3, 4, 5], function (val) {
+         *     return val % 2 === 0;
+         * }); // -> [2, 4]
+         */
+
+        /* typescript
+         * export declare function filter<T>(
+         *     list: types.List<T>,
+         *     iterator: types.ListIterator<T, boolean>,
+         *     context?: any
+         * ): T[];
+         * export declare function filter<T>(
+         *     object: types.Dictionary<T>,
+         *     iterator: types.ObjectIterator<T, boolean>,
+         *     context?: any
+         * ): T[];
          */
 
         /* dependencies
-         * safeCb each 
+         * safeCb each types 
          */
 
-        function exports(obj, predicate, ctx) {
+        exports = function exports(obj, predicate, ctx) {
             var ret = [];
-
             predicate = safeCb(predicate, ctx);
-
             each(obj, function(val, idx, list) {
                 if (predicate(val, idx, list)) ret.push(val);
             });
-
             return ret;
-        }
+        };
 
         return exports;
-    })();
+    })({});
 
     /* ------------------------------ evalCss ------------------------------ */
-    _.evalCss = (function () {
+    _.evalCss = (function (exports) {
         /* Eval css.
          */
 
@@ -1302,80 +1333,88 @@
          * toStr each filter 
          */
 
-        var styleList = [],
-            scale = 1;
+        let styleList = []
+        let scale = 1
 
         function exports(css, container) {
-            css = toStr(css);
+          css = toStr(css)
 
-            for (var i = 0, len = styleList.length; i < len; i++) {
-                if (styleList[i].css === css) return;
-            }
+          for (let i = 0, len = styleList.length; i < len; i++) {
+            if (styleList[i].css === css) return
+          }
 
-            container = container || exports.container || document.head;
-            const el = document.createElement('style');
+          container = container || exports.container || document.head
+          const el = document.createElement('style')
 
-            el.type = 'text/css';
-            container.appendChild(el);
+          el.type = 'text/css'
+          container.appendChild(el)
 
-            let style = { css, el, container };
-            resetStyle(style);
-            styleList.push(style);
+          let style = { css, el, container }
+          resetStyle(style)
+          styleList.push(style)
 
-            return style;
+          return style
         }
 
         exports.setScale = function(s) {
-            scale = s;
-            each(styleList, style => resetStyle(style));
-        };
+          scale = s
+          each(styleList, style => resetStyle(style))
+        }
 
         exports.clear = function() {
-            each(styleList, ({ container, el }) => container.removeChild(el));
-            styleList = [];
-        };
+          each(styleList, ({ container, el }) => container.removeChild(el))
+          styleList = []
+        }
 
         exports.remove = function(style) {
-            styleList = filter(styleList, s => s !== style);
+          styleList = filter(styleList, s => s !== style)
 
-            style.container.removeChild(style.el);
-        };
+          style.container.removeChild(style.el)
+        }
 
         function resetStyle({ css, el }) {
-            el.innerText = css.replace(/(\d+)px/g, ($0, $1) => +$1 * scale + 'px');
+          el.innerText = css.replace(/(\d+)px/g, ($0, $1) => +$1 * scale + 'px')
         }
 
         return exports;
-    })();
+    })({});
 
     /* ------------------------------ map ------------------------------ */
 
-    var map = _.map = (function () {
+    var map = _.map = (function (exports) {
         /* Create an array of values by running each element in collection through iteratee.
          *
-         * |Name    |Type        |Desc                          |
-         * |--------|------------|------------------------------|
-         * |obj     |array object|Collection to iterate over    |
-         * |iteratee|function    |Function invoked per iteration|
-         * |[ctx]   |*           |Function context              |
-         * |return  |array       |New mapped array              |
-         *
-         * ```javascript
-         * map([4, 8], function (n) { return n * n; }); // -> [16, 64]
-         * ```
+         * |Name     |Type        |Desc                          |
+         * |---------|------------|------------------------------|
+         * |object   |array object|Collection to iterate over    |
+         * |iterator |function    |Function invoked per iteration|
+         * |[context]|*           |Function context              |
+         * |return   |array       |New mapped array              |
          */
 
-        /* module
-         * env: all
-         * test: all
+        /* example
+         * map([4, 8], function (n) { return n * n; }); // -> [16, 64]
+         */
+
+        /* typescript
+         * export declare function map<T, TResult>(
+         *     list: types.List<T>,
+         *     iterator: types.ListIterator<T, TResult>,
+         *     context?: any
+         * ): TResult[];
+         * export declare function map<T, TResult>(
+         *     object: types.Dictionary<T>,
+         *     iterator: types.ObjectIterator<T, TResult>,
+         *     context?: any
+         * ): TResult[];
          */
 
         /* dependencies
-         * safeCb keys isArrLike 
+         * safeCb keys isArrLike types 
          */
 
-        function exports(obj, iteratee, ctx) {
-            iteratee = safeCb(iteratee, ctx);
+        exports = function exports(obj, iterator, ctx) {
+            iterator = safeCb(iterator, ctx);
 
             var _keys = !isArrLike(obj) && keys(obj),
                 len = (_keys || obj).length,
@@ -1383,64 +1422,61 @@
 
             for (var i = 0; i < len; i++) {
                 var curKey = _keys ? _keys[i] : i;
-                results[i] = iteratee(obj[curKey], curKey, obj);
+                results[i] = iterator(obj[curKey], curKey, obj);
             }
 
             return results;
-        }
+        };
 
         return exports;
-    })();
+    })({});
 
     /* ------------------------------ decodeUriComponent ------------------------------ */
 
-    var decodeUriComponent = _.decodeUriComponent = (function () {
+    var decodeUriComponent = _.decodeUriComponent = (function (exports) {
         /* Better decodeURIComponent that does not throw if input is invalid.
          *
          * |Name  |Type  |Desc            |
          * |------|------|----------------|
          * |str   |string|String to decode|
          * |return|string|Decoded string  |
-         * 
-         * ```javascript
-         * decodeUriComponent('%%25%'); // -> '%%%'
-         * decodeUriComponent('%E0%A4%A'); // -> '\xE0\xA4%A'
-         * ```
          */
 
-        /* module
-         * env: all
-         * test: all
+        /* example
+         * decodeUriComponent('%%25%'); // -> '%%%'
+         * decodeUriComponent('%E0%A4%A'); // -> '\xE0\xA4%A'
+         */
+
+        /* typescript
+         * export declare function decodeUriComponent(str: string): string;
          */
 
         /* dependencies
          * each ucs2 map utf8 
          */
 
-        function exports(str) {
+        exports = function exports(str) {
             try {
                 return decodeURIComponent(str);
             } catch (e) {
-                var replaceMap = {};
-
                 var matches = str.match(regMatcher);
 
+                if (!matches) {
+                    return str;
+                }
+
                 each(matches, function(match) {
                     str = str.replace(match, decode(match));
                 });
-
                 return str;
             }
-        }
+        };
 
         function decode(str) {
             str = str.split('%').slice(1);
-
             var bytes = map(str, hexToInt);
-
             str = ucs2.encode(bytes);
             str = utf8.decode(str, true);
-
             return str;
         }
 
@@ -1451,7 +1487,7 @@
         var regMatcher = /(%[a-f0-9]{2})+/gi;
 
         return exports;
-    })();
+    })({});
 
     /* ------------------------------ cookie ------------------------------ */
     _.cookie = (function (exports) {
@@ -1486,24 +1522,38 @@
          * |key      |string |Cookie key    |
          * |[options]|object |Cookie options|
          * |return   |exports|Module cookie |
-         *
-         * ```javascript
+         */
+
+        /* example
          * cookie.set('a', '1', {path: '/'});
          * cookie.get('a'); // -> '1'
          * cookie.remove('a');
-         * ```
          */
 
-        /* module
-         * env: browser
-         * test: browser
+        /* typescript
+         * export declare namespace cookie {
+         *     interface IOptions {
+         *         path?: string;
+         *         expires?: number;
+         *         domain?: string;
+         *         secure?: boolean;
+         *     }
+         *     interface ICookie {
+         *         get(key: string, options?: cookie.IOptions): string;
+         *         set(key: string, val: string, options?: cookie.IOptions): ICookie;
+         *         remove(key: string, options?: cookie.IOptions): ICookie;
+         *     }
+         * }
+         * export declare const cookie: cookie.ICookie;
          */
 
         /* dependencies
          * defaults isNum isUndef decodeUriComponent 
          */
 
-        var defOpts = { path: '/' };
+        var defOpts = {
+            path: '/'
+        };
 
         function setCookie(key, val, options) {
             if (!isUndef(val)) {
@@ -1520,7 +1570,6 @@
 
                 val = encodeURIComponent(val);
                 key = encodeURIComponent(key);
-
                 document.cookie = [
                     key,
                     '=',
@@ -1530,7 +1579,6 @@
                     options.domain && '; domain=' + options.domain,
                     options.secure ? '; secure' : ''
                 ].join('');
-
                 return exports;
             }
 
@@ -1541,7 +1589,6 @@
                 var c = cookies[i],
                     parts = c.split('='),
                     name = decodeUriComponent(parts.shift());
-
                 c = parts.join('=');
                 c = decodeUriComponent(c);
 
@@ -1559,10 +1606,9 @@
         exports = {
             get: setCookie,
             set: setCookie,
-            remove: function(key, options) {
+            remove: function remove(key, options) {
                 options = options || {};
                 options.expires = -1;
-
                 return setCookie(key, '', options);
             }
         };
@@ -1572,32 +1618,29 @@
 
     /* ------------------------------ rtrim ------------------------------ */
 
-    var rtrim = _.rtrim = (function () {
+    var rtrim = _.rtrim = (function (exports) {
         /* Remove chars or white-spaces from end of string.
          *
-         * |Name  |Type        |Desc              |
-         * |------|------------|------------------|
-         * |str   |string      |String to trim    |
-         * |chars |string array|Characters to trim|
-         * |return|string      |Trimmed string    |
-         *
-         * ```javascript
+         * |Name   |Type        |Desc              |
+         * |-------|------------|------------------|
+         * |str    |string      |String to trim    |
+         * |[chars]|string array|Characters to trim|
+         * |return |string      |Trimmed string    |
+         */
+
+        /* example
          * rtrim(' abc  '); // -> ' abc'
          * rtrim('_abc_', '_'); // -> '_abc'
          * rtrim('_abc_', ['c', '_']); // -> '_ab'
-         * ```
          */
 
-        /* module
-         * env: all
-         * test: all
+        /* typescript
+         * export declare function rtrim(str: string, chars?: string | string[]): string;
          */
-
         var regSpace = /\s+$/;
 
-        function exports(str, chars) {
+        exports = function exports(str, chars) {
             if (chars == null) return str.replace(regSpace, '');
-
             var end = str.length - 1,
                 charLen = chars.length,
                 found = true,
@@ -1619,14 +1662,14 @@
             }
 
             return end >= 0 ? str.substring(0, end + 1) : '';
-        }
+        };
 
         return exports;
-    })();
+    })({});
 
     /* ------------------------------ trim ------------------------------ */
 
-    var trim = _.trim = (function () {
+    var trim = _.trim = (function (exports) {
         /* Remove chars or white-spaces from beginning end of string.
          *
          * |Name  |Type        |Desc              |
@@ -1634,17 +1677,16 @@
          * |str   |string      |String to trim    |
          * |chars |string array|Characters to trim|
          * |return|string      |Trimmed string    |
-         *
-         * ```javascript
+         */
+
+        /* example
          * trim(' abc  '); // -> 'abc'
          * trim('_abc_', '_'); // -> 'abc'
          * trim('_abc_', ['a', 'c', '_']); // -> 'b'
-         * ```
          */
 
-        /* module
-         * env: all
-         * test: all
+        /* typescript
+         * export declare function trim(str: string, chars?: string | string[]): string;
          */
 
         /* dependencies
@@ -1653,14 +1695,13 @@
 
         var regSpace = /^\s+|\s+$/g;
 
-        function exports(str, chars) {
+        exports = function exports(str, chars) {
             if (chars == null) return str.replace(regSpace, '');
-
             return ltrim(rtrim(str, chars), chars);
-        }
+        };
 
         return exports;
-    })();
+    })({});
 
     /* ------------------------------ query ------------------------------ */
 
@@ -1684,17 +1725,19 @@
          * |------|------|------------|
          * |obj   |object|Query object|
          * |return|string|Query string|
-         *
-         * ```javascript
+         */
+
+        /* example
          * query.parse('foo=bar&eruda=true'); // -> {foo: 'bar', eruda: 'true'}
          * query.stringify({foo: 'bar', eruda: 'true'}); // -> 'foo=bar&eruda=true'
          * query.parse('name=eruda&name=eustia'); // -> {name: ['eruda', 'eustia']}
-         * ```
          */
 
-        /* module
-         * env: all
-         * test: all
+        /* typescript
+         * export declare const query: {
+         *     parse(str: string): any;
+         *     stringify(object: any): string;
+         * };
          */
 
         /* dependencies
@@ -1702,17 +1745,13 @@
          */
 
         exports = {
-            parse: function(str) {
+            parse: function parse(str) {
                 var ret = {};
-
                 str = trim(str).replace(regIllegalChars, '');
-
                 each(str.split('&'), function(param) {
                     var parts = param.split('=');
-
                     var key = parts.shift(),
                         val = parts.length > 0 ? parts.join('=') : null;
-
                     key = decodeURIComponent(key);
                     val = decodeURIComponent(val);
 
@@ -1724,15 +1763,13 @@
                         ret[key] = [ret[key], val];
                     }
                 });
-
                 return ret;
             },
-            stringify: function(obj, arrKey) {
+            stringify: function stringify(obj, arrKey) {
                 return filter(
                     map(obj, function(val, key) {
                         if (isObj(val) && isEmpty(val)) return '';
                         if (isArr(val)) return exports.stringify(val, key);
-
                         return (
                             (arrKey
                                 ? encodeURIComponent(arrKey)
@@ -1747,14 +1784,13 @@
                 ).join('&');
             }
         };
-
         var regIllegalChars = /^(\?|#|&)/g;
 
         return exports;
     })({});
 
     /* ------------------------------ ajax ------------------------------ */
-    _.ajax = (function () {
+    _.ajax = (function (exports) {
         /* Perform an asynchronous HTTP request.
          *
          * |Name   |Type  |Desc        |
@@ -1763,8 +1799,9 @@
          *
          * Available options:
          *
-         * |Name                                         |Type         |Desc                      |
+         * |Name                                         |Type         |Desc                       |
          * |---------------------------------------------|-------------|---------------------------|
+         * |type=get                                     |type         |Request type               |
          * |url                                          |string       |Request url                |
          * |data                                         |string object|Request data               |
          * |dataType=json                                |string       |Response type(json, xml)   |
@@ -1788,38 +1825,58 @@
          * |[data]  |string object|Request data    |
          * |success |function     |Success callback|
          * |dataType|function     |Response type   |
-         *
-         * ```javascript
+         */
+
+        /* example
          * ajax({
          *     url: 'http://example.com',
          *     data: {test: 'true'},
-         *     error: function () {},
-         *     success: function (data)
-         *     {
+         *     error() {},
+         *     success(data) {
          *         // ...
          *     },
          *     dataType: 'json'
          * });
          *
-         * ajax.get('http://example.com', {}, function (data)
-         * {
+         * ajax.get('http://example.com', {}, function (data) {
          *     // ...
          * });
-         * ```
          */
 
-        /* module
-         * env: browser
-         * test: manual
+        /* typescript
+         * export declare namespace ajax {
+         *     interface IOptions {
+         *         url: string;
+         *         data?: string | {};
+         *         dataType?: string;
+         *         contentType?: string;
+         *         success?: Function;
+         *         error?: Function;
+         *         complete?: Function;
+         *         timeout?: number;
+         *     }
+         *     function get(url: string, data: any, success: Function, dataType?: string): XMLHttpRequest;
+         *     function post(url: string, data: any, success: Function, dataType?: string): XMLHttpRequest;
+         * }
+         * export declare function ajax(options: ajax.IOptions): XMLHttpRequest;
          */
 
         /* dependencies
          * isFn noop defaults isObj query 
          */
 
-        function exports(options) {
-            defaults(options, exports.setting);
+        exports = (function(_exports) {
+            function exports(_x) {
+                return _exports.apply(this, arguments);
+            }
 
+            exports.toString = function() {
+                return _exports.toString();
+            };
+
+            return exports;
+        })(function(options) {
+            defaults(options, exports.setting);
             var type = options.type,
                 url = options.url,
                 data = options.data,
@@ -1833,19 +1890,19 @@
 
             xhr.onreadystatechange = function() {
                 if (xhr.readyState !== 4) return;
-
                 clearTimeout(abortTimeout);
-
                 var result;
-
                 var status = xhr.status;
+
                 if ((status >= 200 && status < 300) || status === 304) {
                     result = xhr.responseText;
                     if (dataType === 'xml') result = xhr.responseXML;
+
                     try {
                         if (dataType === 'json') result = JSON.parse(result);
                         /* eslint-disable no-empty */
                     } catch (e) {}
+
                     success(result, xhr);
                 } else {
                     error(xhr);
@@ -1874,10 +1931,10 @@
                     complete(xhr);
                 }, timeout);
             }
-            xhr.send(type === 'GET' ? null : data);
 
+            xhr.send(type === 'GET' ? null : data);
             return xhr;
-        }
+        });
 
         exports.setting = {
             type: 'GET',
@@ -1887,7 +1944,7 @@
             dataType: 'json',
             contentType: 'application/x-www-form-urlencoded',
             data: {},
-            xhr: function() {
+            xhr: function xhr() {
                 return new XMLHttpRequest();
             },
             timeout: 0
@@ -1900,7 +1957,6 @@
         exports.post = function() {
             var options = parseArgs.apply(null, arguments);
             options.type = 'POST';
-
             return exports(options);
         };
 
@@ -1920,7 +1976,7 @@
         }
 
         return exports;
-    })();
+    })({});
 
     return _;
 }));
\ No newline at end of file