diff --git a/src/lib/stringifyWorker.js b/src/lib/stringifyWorker.js
deleted file mode 100644
index f15f422..0000000
--- a/src/lib/stringifyWorker.js
+++ /dev/null
@@ -1,7 +0,0 @@
-import stringifyAll from 'licia/stringifyAll'
-
-onmessage = function(e) {
-  const [id, obj, options] = e.data
-  const result = stringifyAll(obj, options)
-  postMessage([id, result])
-}
diff --git a/src/lib/themes.js b/src/lib/themes.js
index 716bfd7..7ae725b 100644
--- a/src/lib/themes.js
+++ b/src/lib/themes.js
@@ -1,4 +1,74 @@
-import { extend } from './util'
+import { extend, isArr } from './util'
+
+const keyMap = [
+  'background',
+  'foreground',
+  'selectForeground',
+  'accent',
+  'highlight',
+  'border',
+  'primary',
+  'contrast',
+  'varColor',
+  'stringColor',
+  'keywordColor',
+  'numberColor',
+  'operatorColor',
+  'linkColor',
+  'textColor',
+  'tagNameColor',
+  'functionColor',
+  'attributeNameColor',
+  'commentColor'
+]
+
+const keyMapLen = keyMap.length
+
+function arrToMap(arr) {
+  const ret = {}
+
+  for (let i = 0; i < keyMapLen; i++) {
+    ret[keyMap[i]] = arr[i]
+  }
+
+  return ret
+}
+
+function createDarkTheme(theme) {
+  if (isArr(theme)) theme = arrToMap(theme)
+  if (!theme.darkerBackground) theme.darkerBackground = theme.contrast
+  return extend(
+    {
+      consoleWarnBackground: '#332a00',
+      consoleWarnForeground: '#ffcb6b',
+      consoleWarnBorder: '#650',
+      consoleErrorBackground: '#290000',
+      consoleErrorForeground: '#ff8080',
+      consoleErrorBorder: '#5c0000',
+      light: '#ccc',
+      dark: '#aaa'
+    },
+    theme
+  )
+}
+
+function createLightTheme(theme) {
+  if (isArr(theme)) theme = arrToMap(theme)
+  if (!theme.darkerBackground) theme.darkerBackground = theme.contrast
+  return extend(
+    {
+      consoleWarnBackground: '#fffbe5',
+      consoleWarnForeground: '#5c5c00',
+      consoleWarnBorder: '#fff5c2',
+      consoleErrorBackground: '#fff0f0',
+      consoleErrorForeground: '#f00',
+      consoleErrorBorder: '#ffd6d6',
+      light: '#fff',
+      dark: '#eee'
+    },
+    theme
+  )
+}
 
 export default {
   Light: createLightTheme({
@@ -46,353 +116,319 @@ export default {
     attributeNameColor: '#9bbbdc',
     commentColor: '#747474'
   }),
-  'Material Oceanic': createDarkTheme({
-    background: '#263238',
-    foreground: '#B0BEC5',
-    selectForeground: '#FFFFFF',
-    accent: '#009688',
-    highlight: '#425B67',
-    border: '#2A373E',
-    primary: '#607D8B',
-    contrast: '#1E272C',
-    varColor: '#eeffff',
-    stringColor: '#c3e88d',
-    keywordColor: '#c792ea',
-    numberColor: '#f78c6c',
-    operatorColor: '#89ddff',
-    linkColor: '#80cbc4',
-    textColor: '#B0BEC5',
-    tagNameColor: '#f07178',
-    functionColor: '#82aaff',
-    attributeNameColor: '#ffcb6b',
-    commentColor: '#546e7a'
-  }),
-  'Material Darker': createDarkTheme({
-    background: '#212121',
-    foreground: '#B0BEC5',
-    selectForeground: '#FFFFFF',
-    accent: '#FF9800',
-    highlight: '#3F3F3F',
-    border: '#292929',
-    primary: '#727272',
-    contrast: '#1A1A1A',
-    varColor: '#eeffff',
-    stringColor: '#c3e88d',
-    keywordColor: '#c792ea',
-    numberColor: '#f78c6c',
-    operatorColor: '#89ddff',
-    linkColor: '#80cbc4',
-    textColor: '#B0BEC5',
-    tagNameColor: '#f07178',
-    functionColor: '#82aaff',
-    attributeNameColor: '#ffcb6b',
-    commentColor: '#616161'
-  }),
-  'Material Lighter': createLightTheme({
-    background: '#FAFAFA',
-    foreground: '#546E7A',
-    selectForeground: '#546e7a',
-    accent: '#00BCD4',
-    highlight: '#E7E7E8',
-    border: '#d3e1e8',
-    primary: '#94A7B0',
-    contrast: '#F4F4F4',
-    varColor: '#272727',
-    stringColor: '#91B859',
-    keywordColor: '#7C4DFF',
-    numberColor: '#F76D47',
-    operatorColor: '#39ADB5',
-    linkColor: '#39ADB5',
-    textColor: '#546E7A',
-    tagNameColor: '#E53935',
-    functionColor: '#6182B8',
-    attributeNameColor: '#F6A434',
-    commentColor: '#AABFC9'
-  }),
-  'Material Palenight': createDarkTheme({
-    background: '#292D3E',
-    foreground: '#A6ACCD',
-    selectForeground: '#FFFFFF',
-    accent: '#ab47bc',
-    highlight: '#444267',
-    border: '#2b2a3e',
-    primary: '#676E95',
-    contrast: '#202331',
-    varColor: '#eeffff',
-    stringColor: '#c3e88d',
-    keywordColor: '#c792ea',
-    numberColor: '#f78c6c',
-    operatorColor: '#89ddff',
-    linkColor: '#80cbc4',
-    textColor: '#A6ACCD',
-    tagNameColor: '#f07178',
-    functionColor: '#82aaff',
-    attributeNameColor: '#ffcb6b',
-    commentColor: '#676E95'
-  }),
-  'Material Deep Ocean': createDarkTheme({
-    background: '#0F111A',
-    foreground: '#8F93A2',
-    selectForeground: '#FFFFFF',
-    accent: '#84ffff',
-    highlight: '#1F2233',
-    border: '#41465b',
-    primary: '#4B526D',
-    contrast: '#090B10',
-    varColor: '#eeffff',
-    stringColor: '#c3e88d',
-    keywordColor: '#c792ea',
-    numberColor: '#f78c6c',
-    operatorColor: '#89ddff',
-    linkColor: '#80cbc4',
-    textColor: '#8F93A2',
-    tagNameColor: '#f07178',
-    functionColor: '#82aaff',
-    attributeNameColor: '#ffcb6b',
-    commentColor: '#717CB4'
-  }),
-  'Monokai Pro': createDarkTheme({
-    background: '#2D2A2E',
-    foreground: '#fcfcfa',
-    selectForeground: '#FFFFFF',
-    accent: '#ffd866',
-    highlight: '#5b595c',
-    border: '#423f43',
-    primary: '#939293',
-    contrast: '#221F22',
-    varColor: '#FCFCFA',
-    stringColor: '#FFD866',
-    keywordColor: '#FF6188',
-    numberColor: '#AB9DF2',
-    operatorColor: '#FF6188',
-    linkColor: '#78DCE8',
-    textColor: '#fcfcfa',
-    tagNameColor: '#FF6188',
-    functionColor: '#A9DC76',
-    attributeNameColor: '#78DCE8',
-    commentColor: '#727072'
-  }),
-  Dracula: createDarkTheme({
-    background: '#282A36',
-    foreground: '#F8F8F2',
-    selectForeground: '#8BE9FD',
-    accent: '#FF79C5',
-    highlight: '#6272A4',
-    border: '#21222C',
-    primary: '#6272A4',
-    contrast: '#191A21',
-    varColor: '#F8F8F2',
-    stringColor: '#F1FA8C',
-    keywordColor: '#FF79C6',
-    numberColor: '#BD93F9',
-    operatorColor: '#FF79C6',
-    linkColor: '#F1FA8C',
-    textColor: '#F8F8F2',
-    tagNameColor: '#FF79C6',
-    functionColor: '#50FA78',
-    attributeNameColor: '#50FA7B',
-    commentColor: '#6272A4'
-  }),
-  'Arc Dark': createDarkTheme({
-    background: '#2f343f',
-    foreground: '#D3DAE3',
-    selectForeground: '#FFFFFF',
-    accent: '#42A5F5',
-    highlight: '#3F3F46',
-    border: '#404552',
-    primary: '#8b9eb5',
-    contrast: '#262b33',
-    varColor: '#CF6A4C',
-    stringColor: '#8F9D6A',
-    keywordColor: '#9B859D',
-    numberColor: '#CDA869',
-    operatorColor: '#A7A7A7',
-    linkColor: '#7587A6',
-    textColor: '#D3DAE3',
-    tagNameColor: '#CF6A4C',
-    functionColor: '#7587A6',
-    attributeNameColor: '#F9EE98',
-    commentColor: '#747C84'
-  }),
-  'Atom One Dark': createDarkTheme({
-    background: '#282C34',
-    foreground: '#979FAD',
-    selectForeground: '#FFFFFF',
-    accent: '#2979ff',
-    highlight: '#383D48',
-    border: '#2e3239',
-    primary: '#979FAD',
-    contrast: '#21252B',
-    varColor: '#D19A66',
-    stringColor: '#98C379',
-    keywordColor: '#C679DD',
-    numberColor: '#D19A66',
-    operatorColor: '#61AFEF',
-    linkColor: '#56B6C2',
-    textColor: '#979FAD',
-    tagNameColor: '#F07178',
-    functionColor: '#61AEEF',
-    attributeNameColor: '#E5C17C',
-    commentColor: '#59626F'
-  }),
-  'Atom One Light': createLightTheme({
-    background: '#FAFAFA',
-    foreground: '#232324',
-    selectForeground: '#232324',
-    accent: '#2979ff',
-    highlight: '#EAEAEB',
-    border: '#DBDBDC',
-    primary: '#9D9D9F',
-    contrast: '#FFFFFF',
-    varColor: '#986801',
-    stringColor: '#50A14E',
-    keywordColor: '#A626A4',
-    numberColor: '#986801',
-    operatorColor: '#4078F2',
-    linkColor: '#0184BC',
-    textColor: '#232324',
-    tagNameColor: '#E4564A',
-    functionColor: '#4078F2',
-    attributeNameColor: '#C18401',
-    commentColor: '#A0A1A7'
-  }),
-  'Solarized Dark': createDarkTheme({
-    background: '#002B36',
-    foreground: '#839496',
-    selectForeground: '#FFFFFF',
-    accent: '#d33682',
-    highlight: '#11353F',
-    border: '#0D3640',
-    primary: '#586e75',
-    contrast: '#00252E',
-    varColor: '#268BD2',
-    stringColor: '#2AA198',
-    keywordColor: '#859900',
-    numberColor: '#D33682',
-    operatorColor: '#93A1A1',
-    linkColor: '#268BD2',
-    textColor: '#839496',
-    tagNameColor: '#268BD2',
-    functionColor: '#B58900',
-    attributeNameColor: '#B58900',
-    commentColor: '#657B83'
-  }),
-  'Solarized Light': createLightTheme({
-    background: '#fdf6e3',
-    foreground: '#586e75',
-    selectForeground: '#002b36',
-    accent: '#d33682',
-    highlight: '#F6F0DE',
-    border: '#f7f2e2',
-    primary: '#93a1a1',
-    contrast: '#eee8d5',
-    varColor: '#268BD2',
-    stringColor: '#2AA198',
-    keywordColor: '#859900',
-    numberColor: '#D33682',
-    operatorColor: '#657B83',
-    linkColor: '#268BD2',
-    textColor: '#586e75',
-    tagNameColor: '#268BD2',
-    functionColor: '#B58900',
-    attributeNameColor: '#657B83',
-    commentColor: '#93A1A1'
-  }),
-  Github: createLightTheme({
-    background: '#F7F8FA',
-    foreground: '#5B6168',
-    selectForeground: '#FFFFFF',
-    accent: '#79CB60',
-    highlight: '#CCE5FF',
-    border: '#DFE1E4',
-    primary: '#292D31',
-    contrast: '#FFFFFF',
-    varColor: '#24292E',
-    stringColor: '#032F62',
-    keywordColor: '#D73A49',
-    numberColor: '#005CC5',
-    operatorColor: '#D73A49',
-    linkColor: '#005CC5',
-    textColor: '#5B6168',
-    tagNameColor: '#22863A',
-    functionColor: '#6F42C1',
-    attributeNameColor: '#6F42C1',
-    commentColor: '#6A737D'
-  }),
-  'Night Owl': createDarkTheme({
-    background: '#011627',
-    foreground: '#b0bec5',
-    selectForeground: '#ffffff',
-    accent: '#7e57c2',
-    highlight: '#152C3B',
-    border: '#2a373e',
-    primary: '#607d8b',
-    contrast: '#001424',
-    varColor: '#addb67',
-    stringColor: '#ecc48d',
-    keywordColor: '#c792ea',
-    numberColor: '#f78c6c',
-    operatorColor: '#c792ea',
-    linkColor: '#80CBC4',
-    textColor: '#b0bec5',
-    tagNameColor: '#7fdbca',
-    functionColor: '#82AAFF',
-    attributeNameColor: '#FAD430',
-    commentColor: '#637777'
-  }),
-  'Light Owl': createLightTheme({
-    background: '#FAFAFA',
-    foreground: '#546e7a',
-    selectForeground: '#403f53',
-    accent: '#269386',
-    highlight: '#E0E7EA',
-    border: '#efefef',
-    primary: '#403F53',
-    contrast: '#FAFAFA',
-    varColor: '#0C969B',
-    stringColor: '#c96765',
-    keywordColor: '#994cc3',
-    numberColor: '#aa0982',
-    operatorColor: '#7d818b',
-    linkColor: '#994cc3',
-    textColor: '#546e7a',
-    tagNameColor: '#994cc3',
-    functionColor: '#4876d6',
-    attributeNameColor: '#4876d6',
-    commentColor: '#637777'
-  })
-}
-
-function createDarkTheme(theme) {
-  if (!theme.darkerBackground) theme.darkerBackground = theme.contrast
-  return extend(
-    {
-      consoleWarnBackground: '#332a00',
-      consoleWarnForeground: '#ffcb6b',
-      consoleWarnBorder: '#650',
-      consoleErrorBackground: '#290000',
-      consoleErrorForeground: '#ff8080',
-      consoleErrorBorder: '#5c0000',
-      light: '#ccc',
-      dark: '#aaa'
-    },
-    theme
-  )
-}
-
-function createLightTheme(theme) {
-  if (!theme.darkerBackground) theme.darkerBackground = theme.contrast
-  return extend(
-    {
-      consoleWarnBackground: '#fffbe5',
-      consoleWarnForeground: '#5c5c00',
-      consoleWarnBorder: '#fff5c2',
-      consoleErrorBackground: '#fff0f0',
-      consoleErrorForeground: '#f00',
-      consoleErrorBorder: '#ffd6d6',
-      light: '#fff',
-      dark: '#eee'
-    },
-    theme
-  )
+  'Material Oceanic': createDarkTheme([
+    '#263238',
+    '#B0BEC5',
+    '#FFFFFF',
+    '#009688',
+    '#425B67',
+    '#2A373E',
+    '#607D8B',
+    '#1E272C',
+    '#eeffff',
+    '#c3e88d',
+    '#c792ea',
+    '#f78c6c',
+    '#89ddff',
+    '#80cbc4',
+    '#B0BEC5',
+    '#f07178',
+    '#82aaff',
+    '#ffcb6b',
+    '#546e7a'
+  ]),
+  'Material Darker': createDarkTheme([
+    '#212121',
+    '#B0BEC5',
+    '#FFFFFF',
+    '#FF9800',
+    '#3F3F3F',
+    '#292929',
+    '#727272',
+    '#1A1A1A',
+    '#eeffff',
+    '#c3e88d',
+    '#c792ea',
+    '#f78c6c',
+    '#89ddff',
+    '#80cbc4',
+    '#B0BEC5',
+    '#f07178',
+    '#82aaff',
+    '#ffcb6b',
+    '#616161'
+  ]),
+  'Material Lighter': createLightTheme([
+    '#FAFAFA',
+    '#546E7A',
+    '#546e7a',
+    '#00BCD4',
+    '#E7E7E8',
+    '#d3e1e8',
+    '#94A7B0',
+    '#F4F4F4',
+    '#272727',
+    '#91B859',
+    '#7C4DFF',
+    '#F76D47',
+    '#39ADB5',
+    '#39ADB5',
+    '#546E7A',
+    '#E53935',
+    '#6182B8',
+    '#F6A434',
+    '#AABFC9'
+  ]),
+  'Material Palenight': createDarkTheme([
+    '#292D3E',
+    '#A6ACCD',
+    '#FFFFFF',
+    '#ab47bc',
+    '#444267',
+    '#2b2a3e',
+    '#676E95',
+    '#202331',
+    '#eeffff',
+    '#c3e88d',
+    '#c792ea',
+    '#f78c6c',
+    '#89ddff',
+    '#80cbc4',
+    '#A6ACCD',
+    '#f07178',
+    '#82aaff',
+    '#ffcb6b',
+    '#676E95'
+  ]),
+  'Material Deep Ocean': createDarkTheme([
+    '#0F111A',
+    '#8F93A2',
+    '#FFFFFF',
+    '#84ffff',
+    '#1F2233',
+    '#41465b',
+    '#4B526D',
+    '#090B10',
+    '#eeffff',
+    '#c3e88d',
+    '#c792ea',
+    '#f78c6c',
+    '#89ddff',
+    '#80cbc4',
+    '#8F93A2',
+    '#f07178',
+    '#82aaff',
+    '#ffcb6b',
+    '#717CB4'
+  ]),
+  'Monokai Pro': createDarkTheme([
+    '#2D2A2E',
+    '#fcfcfa',
+    '#FFFFFF',
+    '#ffd866',
+    '#5b595c',
+    '#423f43',
+    '#939293',
+    '#221F22',
+    '#FCFCFA',
+    '#FFD866',
+    '#FF6188',
+    '#AB9DF2',
+    '#FF6188',
+    '#78DCE8',
+    '#fcfcfa',
+    '#FF6188',
+    '#A9DC76',
+    '#78DCE8',
+    '#727072'
+  ]),
+  Dracula: createDarkTheme([
+    '#282A36',
+    '#F8F8F2',
+    '#8BE9FD',
+    '#FF79C5',
+    '#6272A4',
+    '#21222C',
+    '#6272A4',
+    '#191A21',
+    '#F8F8F2',
+    '#F1FA8C',
+    '#FF79C6',
+    '#BD93F9',
+    '#FF79C6',
+    '#F1FA8C',
+    '#F8F8F2',
+    '#FF79C6',
+    '#50FA78',
+    '#50FA7B',
+    '#6272A4'
+  ]),
+  'Arc Dark': createDarkTheme([
+    '#2f343f',
+    '#D3DAE3',
+    '#FFFFFF',
+    '#42A5F5',
+    '#3F3F46',
+    '#404552',
+    '#8b9eb5',
+    '#262b33',
+    '#CF6A4C',
+    '#8F9D6A',
+    '#9B859D',
+    '#CDA869',
+    '#A7A7A7',
+    '#7587A6',
+    '#D3DAE3',
+    '#CF6A4C',
+    '#7587A6',
+    '#F9EE98',
+    '#747C84'
+  ]),
+  'Atom One Dark': createDarkTheme([
+    '#282C34',
+    '#979FAD',
+    '#FFFFFF',
+    '#2979ff',
+    '#383D48',
+    '#2e3239',
+    '#979FAD',
+    '#21252B',
+    '#D19A66',
+    '#98C379',
+    '#C679DD',
+    '#D19A66',
+    '#61AFEF',
+    '#56B6C2',
+    '#979FAD',
+    '#F07178',
+    '#61AEEF',
+    '#E5C17C',
+    '#59626F'
+  ]),
+  'Atom One Light': createLightTheme([
+    '#FAFAFA',
+    '#232324',
+    '#232324',
+    '#2979ff',
+    '#EAEAEB',
+    '#DBDBDC',
+    '#9D9D9F',
+    '#FFFFFF',
+    '#986801',
+    '#50A14E',
+    '#A626A4',
+    '#986801',
+    '#4078F2',
+    '#0184BC',
+    '#232324',
+    '#E4564A',
+    '#4078F2',
+    '#C18401',
+    '#A0A1A7'
+  ]),
+  'Solarized Dark': createDarkTheme([
+    '#002B36',
+    '#839496',
+    '#FFFFFF',
+    '#d33682',
+    '#11353F',
+    '#0D3640',
+    '#586e75',
+    '#00252E',
+    '#268BD2',
+    '#2AA198',
+    '#859900',
+    '#D33682',
+    '#93A1A1',
+    '#268BD2',
+    '#839496',
+    '#268BD2',
+    '#B58900',
+    '#B58900',
+    '#657B83'
+  ]),
+  'Solarized Light': createLightTheme([
+    '#fdf6e3',
+    '#586e75',
+    '#002b36',
+    '#d33682',
+    '#F6F0DE',
+    '#f7f2e2',
+    '#93a1a1',
+    '#eee8d5',
+    '#268BD2',
+    '#2AA198',
+    '#859900',
+    '#D33682',
+    '#657B83',
+    '#268BD2',
+    '#586e75',
+    '#268BD2',
+    '#B58900',
+    '#657B83',
+    '#93A1A1'
+  ]),
+  Github: createLightTheme([
+    '#F7F8FA',
+    '#5B6168',
+    '#FFFFFF',
+    '#79CB60',
+    '#CCE5FF',
+    '#DFE1E4',
+    '#292D31',
+    '#FFFFFF',
+    '#24292E',
+    '#032F62',
+    '#D73A49',
+    '#005CC5',
+    '#D73A49',
+    '#005CC5',
+    '#5B6168',
+    '#22863A',
+    '#6F42C1',
+    '#6F42C1',
+    '#6A737D'
+  ]),
+  'Night Owl': createDarkTheme([
+    '#011627',
+    '#b0bec5',
+    '#ffffff',
+    '#7e57c2',
+    '#152C3B',
+    '#2a373e',
+    '#607d8b',
+    '#001424',
+    '#addb67',
+    '#ecc48d',
+    '#c792ea',
+    '#f78c6c',
+    '#c792ea',
+    '#80CBC4',
+    '#b0bec5',
+    '#7fdbca',
+    '#82AAFF',
+    '#FAD430',
+    '#637777'
+  ]),
+  'Light Owl': createLightTheme([
+    '#FAFAFA',
+    '#546e7a',
+    '#403f53',
+    '#269386',
+    '#E0E7EA',
+    '#efefef',
+    '#403F53',
+    '#FAFAFA',
+    '#0C969B',
+    '#c96765',
+    '#994cc3',
+    '#aa0982',
+    '#7d818b',
+    '#994cc3',
+    '#546e7a',
+    '#994cc3',
+    '#4876d6',
+    '#4876d6',
+    '#637777'
+  ])
 }