diff --git a/.eslintignore b/.eslintignore
new file mode 100644
index 000000000..42cfd773e
--- /dev/null
+++ b/.eslintignore
@@ -0,0 +1,3 @@
+/lib
+/docs
+defaultConfig.js
diff --git a/.eslintrc b/.eslintrc
new file mode 100644
index 000000000..ff4ccca48
--- /dev/null
+++ b/.eslintrc
@@ -0,0 +1,26 @@
+{
+  "env": {
+    "jest": true
+  },
+  "parserOptions": {
+    "ecmaVersion": 6,
+    "sourceType": "module"
+  },
+  "extends": ["eslint-config-postcss", "prettier"],
+  "plugins": ["prettier"],
+  "rules": {
+    "prettier/prettier": [
+      "error",
+      {
+        "semi": false,
+        "singleQuote": true,
+        "printWidth": 100,
+        "tabWidth": 2,
+        "useTabs": false,
+        "trailingComma": "es5",
+        "bracketSpacing": true,
+        "parser": "flow"
+      }
+    ]
+  }
+}
diff --git a/__tests__/applyAtRule.test.js b/__tests__/applyAtRule.test.js
index 1829a3f9d..90bc8e0cf 100644
--- a/__tests__/applyAtRule.test.js
+++ b/__tests__/applyAtRule.test.js
@@ -2,20 +2,20 @@ import postcss from 'postcss'
 import plugin from '../src/lib/substituteClassApplyAtRules'
 
 function run(input, opts = () => {}) {
-    return postcss([plugin(opts)]).process(input)
+  return postcss([plugin(opts)]).process(input)
 }
 
 test("it copies a class's declarations into itself", () => {
-    const output = '.a { color: red; } .b { color: red; }'
+  const output = '.a { color: red; } .b { color: red; }'
 
-    return run('.a { color: red; } .b { @apply .a; }').then(result => {
-        expect(result.css).toEqual(output)
-        expect(result.warnings().length).toBe(0)
-    })
+  return run('.a { color: red; } .b { @apply .a; }').then(result => {
+    expect(result.css).toEqual(output)
+    expect(result.warnings().length).toBe(0)
+  })
 })
 
 test("it doesn't copy a media query definition into itself", () => {
-    const output = `.a {
+  const output = `.a {
             color: red;
         }
 
@@ -27,8 +27,8 @@ test("it doesn't copy a media query definition into itself", () => {
             color: red;
         }`
 
-    return run(
-        `.a {
+  return run(
+    `.a {
             color: red;
         }
 
@@ -38,15 +38,15 @@ test("it doesn't copy a media query definition into itself", () => {
 
         .b {
             @apply .a;
-        }`)
-    .then(result => {
-        expect(result.css).toEqual(output)
-        expect(result.warnings().length).toBe(0)
-    })
+        }`
+  ).then(result => {
+    expect(result.css).toEqual(output)
+    expect(result.warnings().length).toBe(0)
+  })
 })
 
 test('it fails if the class does not exist', () => {
-    run('.b { @apply .a; }').catch(error => {
-        expect(error.reason).toEqual('No .a class found.')
-    })
+  run('.b { @apply .a; }').catch(error => {
+    expect(error.reason).toEqual('No .a class found.')
+  })
 })
diff --git a/__tests__/configFunction.test.js b/__tests__/configFunction.test.js
index 11f93876a..32d2a5a3d 100644
--- a/__tests__/configFunction.test.js
+++ b/__tests__/configFunction.test.js
@@ -5,7 +5,7 @@ function run(input, opts = {}) {
   return postcss([plugin(() => opts)]).process(input)
 }
 
-test("it looks up values in the config using dot notation", () => {
+test('it looks up values in the config using dot notation', () => {
   const input = `
     .banana { color: config('colors.yellow'); }
   `
@@ -17,14 +17,14 @@ test("it looks up values in the config using dot notation", () => {
   return run(input, {
     colors: {
       yellow: '#f7cc50',
-    }
+    },
   }).then(result => {
     expect(result.css).toEqual(output)
     expect(result.warnings().length).toBe(0)
   })
 })
 
-test("quotes are optional around the lookup path", () => {
+test('quotes are optional around the lookup path', () => {
   const input = `
     .banana { color: config(colors.yellow); }
   `
@@ -36,14 +36,14 @@ test("quotes are optional around the lookup path", () => {
   return run(input, {
     colors: {
       yellow: '#f7cc50',
-    }
+    },
   }).then(result => {
     expect(result.css).toEqual(output)
     expect(result.warnings().length).toBe(0)
   })
 })
 
-test("a default value can be provided", () => {
+test('a default value can be provided', () => {
   const input = `
     .cookieMonster { color: config('colors.blue', #0000ff); }
   `
@@ -55,14 +55,14 @@ test("a default value can be provided", () => {
   return run(input, {
     colors: {
       yellow: '#f7cc50',
-    }
+    },
   }).then(result => {
     expect(result.css).toEqual(output)
     expect(result.warnings().length).toBe(0)
   })
 })
 
-test("quotes are preserved around default values", () => {
+test('quotes are preserved around default values', () => {
   const input = `
     .heading { font-family: config('fonts.sans', "Helvetica Neue"); }
   `
@@ -73,8 +73,8 @@ test("quotes are preserved around default values", () => {
 
   return run(input, {
     fonts: {
-      serif: "Constantia",
-    }
+      serif: 'Constantia',
+    },
   }).then(result => {
     expect(result.css).toEqual(output)
     expect(result.warnings().length).toBe(0)
diff --git a/__tests__/defineClass.test.js b/__tests__/defineClass.test.js
index 9d14286d5..cb8fe09b5 100644
--- a/__tests__/defineClass.test.js
+++ b/__tests__/defineClass.test.js
@@ -1,6 +1,3 @@
-import postcss from 'postcss'
-import fs from 'fs'
-import _ from 'lodash'
 import c from '../src/util/collapseWhitespace'
 import defineClass from '../src/util/defineClass'
 
@@ -8,21 +5,23 @@ import defineClass from '../src/util/defineClass'
  * Tests
  */
 it('creates a proper single-word class with rules', () => {
-  let output = defineClass('flex', {display: 'flex'})
+  let output = defineClass('flex', { display: 'flex' })
   expect(c(output.toString())).toEqual(`.flex { display: flex }`)
 })
 
 it('does not modify the case of selector names', () => {
-  let output = defineClass('inlineBlock', {display: 'inline-block'})
+  let output = defineClass('inlineBlock', { display: 'inline-block' })
   expect(c(output.toString())).toEqual(`.inlineBlock { display: inline-block }`)
 })
 
 it('does not modify the case of property names', () => {
-  let output = defineClass('smooth', {'-webkit-font-smoothing': 'antialiased'})
+  let output = defineClass('smooth', {
+    '-webkit-font-smoothing': 'antialiased',
+  })
   expect(c(output.toString())).toEqual(`.smooth { -webkit-font-smoothing: antialiased }`)
 })
 
 it('escapes non-standard characters in selectors', () => {
-  let output = defineClass('w-1/4', {'width': '25%'})
+  let output = defineClass('w-1/4', { width: '25%' })
   expect(c(output.toString())).toEqual(`.w-1\\/4 { width: 25% }`)
 })
diff --git a/__tests__/defineClasses.test.js b/__tests__/defineClasses.test.js
index c33bdc9af..4c6087440 100644
--- a/__tests__/defineClasses.test.js
+++ b/__tests__/defineClasses.test.js
@@ -1,6 +1,3 @@
-import postcss from 'postcss'
-import fs from 'fs'
-import _ from 'lodash'
 import c from '../src/util/collapseWhitespace'
 import defineClasses from '../src/util/defineClasses'
 
@@ -9,7 +6,7 @@ import defineClasses from '../src/util/defineClasses'
  */
 it('it generates a set of helper classes from a config', () => {
   let output = defineClasses({
-    'flex': {
+    flex: {
       display: 'flex',
     },
     'inline-flex': {
diff --git a/__tests__/focusableAtRule.test.js b/__tests__/focusableAtRule.test.js
index 04fb8ba64..2241105cf 100644
--- a/__tests__/focusableAtRule.test.js
+++ b/__tests__/focusableAtRule.test.js
@@ -5,7 +5,7 @@ function run(input, opts = () => {}) {
   return postcss([plugin(opts)]).process(input)
 }
 
-test("it adds a focusable variant to each nested class definition", () => {
+test('it adds a focusable variant to each nested class definition', () => {
   const input = `
     @focusable {
       .banana { color: yellow; }
diff --git a/__tests__/hoverableAtRule.test.js b/__tests__/hoverableAtRule.test.js
index afcd5096f..b52d02ed4 100644
--- a/__tests__/hoverableAtRule.test.js
+++ b/__tests__/hoverableAtRule.test.js
@@ -5,7 +5,7 @@ function run(input, opts = () => {}) {
   return postcss([plugin(opts)]).process(input)
 }
 
-test("it adds a hoverable variant to each nested class definition", () => {
+test('it adds a hoverable variant to each nested class definition', () => {
   const input = `
     @hoverable {
       .banana { color: yellow; }
diff --git a/__tests__/sanity.test.js b/__tests__/sanity.test.js
index d452f6257..ece253709 100644
--- a/__tests__/sanity.test.js
+++ b/__tests__/sanity.test.js
@@ -12,7 +12,10 @@ it('generates the right CSS', () => {
   return postcss([tailwind()])
     .process(input)
     .then(result => {
-      const expected = fs.readFileSync(path.resolve(`${__dirname}/fixtures/tailwind-output.css`), 'utf8')
+      const expected = fs.readFileSync(
+        path.resolve(`${__dirname}/fixtures/tailwind-output.css`),
+        'utf8'
+      )
 
       expect(result.css).toBe(expected)
     })
diff --git a/package.json b/package.json
index 272c02ed4..8ad351686 100644
--- a/package.json
+++ b/package.json
@@ -20,7 +20,8 @@
     "babelify": "babel src --out-dir lib",
     "prepare": "npm run babelify && babel-node src/build.js",
     "watch": "nodemon -e js,css --watch src --exec 'babel-node src/build.js'",
-    "test": "jest"
+    "style": "eslint .",
+    "test": "jest && eslint ."
   },
   "devDependencies": {
     "autoprefixer": "^7.1.6",
@@ -32,7 +33,12 @@
     "babel-preset-stage-2": "^6.24.1",
     "babel-preset-stage-3": "^6.24.1",
     "clean-css": "^4.1.9",
+    "eslint": "^4.10.0",
+    "eslint-config-postcss": "^2.0.2",
+    "eslint-config-prettier": "^2.7.0",
+    "eslint-plugin-prettier": "^2.3.1",
     "jest": "^20.0.4",
+    "prettier": "^1.7.4",
     "rimraf": "^2.6.1"
   },
   "dependencies": {
@@ -44,9 +50,7 @@
     "postcss-functions": "^3.0.0",
     "stylefmt": "^6.0.0"
   },
-  "browserslist": [
-    "> 1%"
-  ],
+  "browserslist": ["> 1%"],
   "babel": {
     "presets": [
       [
diff --git a/src/build.js b/src/build.js
index c52e67416..47ac46069 100644
--- a/src/build.js
+++ b/src/build.js
@@ -8,10 +8,9 @@ function buildDistFile(filename) {
     console.log(`Processing ./css/${filename}.css...`)
 
     fs.readFile(`./css/${filename}.css`, (err, css) => {
-      return postcss([
-          tailwind(),
-          require('autoprefixer'),
-        ])
+      if (err) throw err
+
+      return postcss([tailwind(), require('autoprefixer')])
         .process(css, {
           from: `./css/${filename}.css`,
           to: `./dist/${filename}.css`,
@@ -46,4 +45,3 @@ Promise.all([
 ]).then(() => {
   console.log('Finished Building Tailwind!')
 })
-
diff --git a/src/cli.js b/src/cli.js
index ba65aeaa6..60a488f9d 100755
--- a/src/cli.js
+++ b/src/cli.js
@@ -1,19 +1,19 @@
 #!/usr/bin/env node
+/* eslint-disable no-process-exit */
 
-import fs from 'fs-extra'
-import _ from 'lodash'
 import path from 'path'
-import postcss from 'postcss'
-import defaultConfig from '../defaultConfig'
-import program from 'commander'
+import fs from 'fs-extra'
 import tailwind from '..'
+import postcss from 'postcss'
+import process from 'process'
+import program from 'commander'
 
 function loadConfig(configPath) {
   if (configPath === undefined) {
     return undefined
   }
 
-  if (! fs.existsSync(path.resolve(configPath))) {
+  if (!fs.existsSync(path.resolve(configPath))) {
     console.error(`Config file [${configPath}] does not exist.`)
     process.exit(1)
   }
@@ -23,11 +23,11 @@ function loadConfig(configPath) {
 
 function writeStrategy(options) {
   if (options.output === undefined) {
-    return (output) => {
+    return output => {
       process.stdout.write(output)
     }
   }
-  return (output) => {
+  return output => {
     fs.outputFileSync(options.output, output)
   }
 }
@@ -46,16 +46,17 @@ function buildTailwind(inputFile, config, write) {
     .catch(error => console.log(error))
 }
 
-const packageJson = require(path.resolve(__dirname + '/../package.json'))
+const packageJson = require(path.resolve(__dirname, '/../package.json'))
 
 program.version(packageJson.version).usage('<command> [<args>]')
 
-program.command('init [filename]')
+program
+  .command('init [filename]')
   .usage('[options] [filename]')
-  .action(function (filename = 'tailwind.js') {
+  .action((filename = 'tailwind.js') => {
     let destination = path.resolve(filename)
-    
-    if (! path.extname(filename).includes('.js')) {
+
+    if (!path.extname(filename).includes('.js')) {
       destination += '.js'
     }
 
@@ -64,40 +65,40 @@ program.command('init [filename]')
       process.exit(1)
     }
 
-    const output = fs.readFileSync(path.resolve(__dirname + '/../defaultConfig.js'), 'utf8')
+    const output = fs.readFileSync(path.resolve(__dirname, '/../defaultConfig.js'), 'utf8')
     fs.outputFileSync(destination, output.replace('// var defaultConfig', 'var defaultConfig'))
     process.exit()
   })
 
-program.command('build')
+program
+  .command('build')
   .usage('[options] <file ...>')
   .option('-c, --config [path]', 'Path to config file')
   .option('-o, --output [path]', 'Output file')
-  .action(function (file, options) {
+  .action((file, options) => {
     let inputFile = program.args[0]
 
-    if (! inputFile) {
+    if (!inputFile) {
       console.error('No input file given!')
       process.exit(1)
     }
 
-    buildTailwind(inputFile, loadConfig(options.config), writeStrategy(options))
-      .then(function () {
-        process.exit()
-      })
+    buildTailwind(inputFile, loadConfig(options.config), writeStrategy(options)).then(() => {
+      process.exit()
+    })
   })
 
-program.command('*', null, {
-    noHelp: true
+program
+  .command('*', null, {
+    noHelp: true,
   })
-  .action(function () {
+  .action(() => {
     program.help()
   })
 
-
 program.parse(process.argv)
 
-if (program.args.length === 0 ) {
+if (program.args.length === 0) {
   program.help()
   process.exit()
 }
diff --git a/src/generators/backgroundColors.js b/src/generators/backgroundColors.js
index 1e33cc1e9..9e8cef23c 100644
--- a/src/generators/backgroundColors.js
+++ b/src/generators/backgroundColors.js
@@ -2,10 +2,12 @@ import _ from 'lodash'
 import defineClass from '../util/defineClass'
 import hoverable from '../util/hoverable'
 
-export default function ({ backgroundColors }) {
-  return hoverable(_.map(backgroundColors, (color, className) => {
-    return defineClass(`bg-${className}`, {
-      'background-color': color,
+export default function({ backgroundColors }) {
+  return hoverable(
+    _.map(backgroundColors, (color, className) => {
+      return defineClass(`bg-${className}`, {
+        'background-color': color,
+      })
     })
-  }))
+  )
 }
diff --git a/src/generators/borderColors.js b/src/generators/borderColors.js
index c7e327ef9..5f1d72b98 100644
--- a/src/generators/borderColors.js
+++ b/src/generators/borderColors.js
@@ -2,10 +2,12 @@ import _ from 'lodash'
 import defineClass from '../util/defineClass'
 import hoverable from '../util/hoverable'
 
-export default function ({ borderColors }) {
-  return hoverable(_.map(_.omit(borderColors, 'default'), (color, className) => {
-    return defineClass(`border-${className}`, {
-      'border-color': color,
+export default function({ borderColors }) {
+  return hoverable(
+    _.map(_.omit(borderColors, 'default'), (color, className) => {
+      return defineClass(`border-${className}`, {
+        'border-color': color,
+      })
     })
-  }))
+  )
 }
diff --git a/src/generators/borderWidths.js b/src/generators/borderWidths.js
index f5ef2eab2..57de0440f 100644
--- a/src/generators/borderWidths.js
+++ b/src/generators/borderWidths.js
@@ -1,11 +1,10 @@
 import _ from 'lodash'
-import defineClass from '../util/defineClass'
 import defineClasses from '../util/defineClasses'
 
 function defaultBorder(width, color) {
   return defineClasses({
-    'border': {
-      'border': `${width} solid ${color}`,
+    border: {
+      border: `${width} solid ${color}`,
     },
     'border-t': {
       'border-top': `${width} solid ${color}`,
@@ -23,11 +22,11 @@ function defaultBorder(width, color) {
 }
 
 function sizedBorder(size, width, color) {
-  const style = width == 0 ? '0' : `${width} solid ${color}`
+  const style = width == 0 ? '0' : `${width} solid ${color}` // eslint-disable-line eqeqeq
 
   return defineClasses({
     [`border-${size}`]: {
-      'border': `${style}`,
+      border: `${style}`,
     },
     [`border-t-${size}`]: {
       'border-top': `${style}`,
diff --git a/src/generators/container.js b/src/generators/container.js
index 3774dd912..3742e2e61 100644
--- a/src/generators/container.js
+++ b/src/generators/container.js
@@ -1,9 +1,10 @@
+/* eslint-disable no-shadow */
 import _ from 'lodash'
 import postcss from 'postcss'
 import defineClass from '../util/defineClass'
 
 function extractMinWidths(breakpoints) {
-  return _.flatMap(breakpoints, (breakpoints) => {
+  return _.flatMap(breakpoints, breakpoints => {
     if (_.isString(breakpoints)) {
       breakpoints = { min: breakpoints }
     }
@@ -12,32 +13,37 @@ function extractMinWidths(breakpoints) {
       breakpoints = [breakpoints]
     }
 
-    return _(breakpoints).filter((breakpoint) => {
-      return _.has(breakpoint, 'min') || _.has(breakpoint, 'min-width')
-    }).map((breakpoint) => {
-      return _.get(breakpoint, 'min-width', breakpoint.min)
-    }).value()
+    return _(breakpoints)
+      .filter(breakpoint => {
+        return _.has(breakpoint, 'min') || _.has(breakpoint, 'min-width')
+      })
+      .map(breakpoint => {
+        return _.get(breakpoint, 'min-width', breakpoint.min)
+      })
+      .value()
   })
 }
 
-export default function ({ screens }) {
+export default function({ screens }) {
   const minWidths = extractMinWidths(screens)
 
-  const atRules = _.map(minWidths, (minWidth) => {
+  const atRules = _.map(minWidths, minWidth => {
     const atRule = postcss.atRule({
       name: 'media',
       params: `(min-width: ${minWidth})`,
     })
-    atRule.append(defineClass('container', {
-      'max-width': minWidth
-    }))
+    atRule.append(
+      defineClass('container', {
+        'max-width': minWidth,
+      })
+    )
     return atRule
   })
 
   return [
     defineClass('container', {
-      width: '100%'
+      width: '100%',
     }),
-    ...atRules
+    ...atRules,
   ]
 }
diff --git a/src/generators/cursor.js b/src/generators/cursor.js
index 9d2f71a5f..c33bf7310 100644
--- a/src/generators/cursor.js
+++ b/src/generators/cursor.js
@@ -2,8 +2,8 @@ import defineClasses from '../util/defineClasses'
 
 export default function() {
   return defineClasses({
-    'cursor-auto': { 'cursor': 'auto' },
-    'cursor-pointer': { 'cursor': 'pointer' },
-    'cursor-not-allowed': { 'cursor': 'not-allowed' },
+    'cursor-auto': { cursor: 'auto' },
+    'cursor-pointer': { cursor: 'pointer' },
+    'cursor-not-allowed': { cursor: 'not-allowed' },
   })
 }
diff --git a/src/generators/display.js b/src/generators/display.js
index a47e80462..93f04f169 100644
--- a/src/generators/display.js
+++ b/src/generators/display.js
@@ -2,26 +2,26 @@ import defineClasses from '../util/defineClasses'
 
 export default function() {
   return defineClasses({
-    'block': {
-      'display': 'block',
+    block: {
+      display: 'block',
     },
     'inline-block': {
-      'display': 'inline-block',
+      display: 'inline-block',
     },
-    'inline': {
-      'display': 'inline',
+    inline: {
+      display: 'inline',
     },
-    'table': {
-      'display': 'table',
+    table: {
+      display: 'table',
     },
     'table-row': {
-      'display': 'table-row',
+      display: 'table-row',
     },
     'table-cell': {
-      'display': 'table-cell',
+      display: 'table-cell',
     },
-    'hidden': {
-      'display': 'none',
+    hidden: {
+      display: 'none',
     },
   })
 }
diff --git a/src/generators/flex.js b/src/generators/flex.js
index f60e05b8a..10e26c30d 100644
--- a/src/generators/flex.js
+++ b/src/generators/flex.js
@@ -2,11 +2,11 @@ import defineClasses from '../util/defineClasses'
 
 export default function() {
   return defineClasses({
-    'flex': {
-      'display': 'flex',
+    flex: {
+      display: 'flex',
     },
     'inline-flex': {
-      'display': 'inline-flex',
+      display: 'inline-flex',
     },
     'flex-row': {
       'flex-direction': 'row',
@@ -90,16 +90,16 @@ export default function() {
       'align-content': 'space-around',
     },
     'flex-1': {
-      'flex': '1',
+      flex: '1',
     },
     'flex-auto': {
-      'flex': 'auto',
+      flex: 'auto',
     },
     'flex-initial': {
-      'flex': 'initial',
+      flex: 'initial',
     },
     'flex-none': {
-      'flex': 'none',
+      flex: 'none',
     },
     'flex-grow': {
       'flex-grow': '1',
diff --git a/src/generators/floats.js b/src/generators/floats.js
index 475ed94fb..e7707e783 100644
--- a/src/generators/floats.js
+++ b/src/generators/floats.js
@@ -3,16 +3,18 @@ import postcss from 'postcss'
 import defineClasses from '../util/defineClasses'
 
 export default function() {
-  return _.concat(defineClasses({
-      'float-right': { 'float': 'right' },
-      'float-left': { 'float': 'left' },
-      'float-none': { 'float': 'none' },
-    }), postcss.parse(`
+  return _.concat(
+    defineClasses({
+      'float-right': { float: 'right' },
+      'float-left': { float: 'left' },
+      'float-none': { float: 'none' },
+    }),
+    postcss.parse(`
       .clearfix:after {
         content: "";
         display: table;
         clear: both;
       }
     `).nodes
-  );
+  )
 }
diff --git a/src/generators/forms.js b/src/generators/forms.js
index 2ed4a3be4..b97b7f1e2 100644
--- a/src/generators/forms.js
+++ b/src/generators/forms.js
@@ -2,6 +2,6 @@ import defineClasses from '../util/defineClasses'
 
 export default function() {
   return defineClasses({
-    'appearance-none': { 'appearance': 'none' },
+    'appearance-none': { appearance: 'none' },
   })
 }
diff --git a/src/generators/lists.js b/src/generators/lists.js
index e7ce05a18..2f68e8f62 100644
--- a/src/generators/lists.js
+++ b/src/generators/lists.js
@@ -4,8 +4,8 @@ export default function() {
   return defineClasses({
     'list-reset': {
       'list-style': 'none',
-      'margin': '0',
-      'padding': '0',
+      margin: '0',
+      padding: '0',
     },
   })
 }
diff --git a/src/generators/opacity.js b/src/generators/opacity.js
index 382d2baec..31379145a 100644
--- a/src/generators/opacity.js
+++ b/src/generators/opacity.js
@@ -1,10 +1,10 @@
 import _ from 'lodash'
 import defineClass from '../util/defineClass'
 
-export default function ({ opacity }) {
+export default function({ opacity }) {
   return _.map(opacity, (value, modifier) => {
     return defineClass(`opacity-${modifier}`, {
-      'opacity': value,
+      opacity: value,
     })
   })
 }
diff --git a/src/generators/overflow.js b/src/generators/overflow.js
index 6ca9feebe..0346171d0 100644
--- a/src/generators/overflow.js
+++ b/src/generators/overflow.js
@@ -6,8 +6,14 @@ export default function() {
     'overflow-hidden': { overflow: 'hidden' },
     'overflow-visible': { overflow: 'visible' },
     'overflow-scroll': { overflow: 'scroll' },
-    'overflow-x-scroll': { 'overflow-x': 'auto', '-ms-overflow-style': '-ms-autohiding-scrollbar' },
-    'overflow-y-scroll': { 'overflow-y': 'auto', '-ms-overflow-style': '-ms-autohiding-scrollbar' },
+    'overflow-x-scroll': {
+      'overflow-x': 'auto',
+      '-ms-overflow-style': '-ms-autohiding-scrollbar',
+    },
+    'overflow-y-scroll': {
+      'overflow-y': 'auto',
+      '-ms-overflow-style': '-ms-autohiding-scrollbar',
+    },
     'scrolling-touch': { '-webkit-overflow-scrolling': 'touch' },
     'scrolling-auto': { '-webkit-overflow-scrolling': 'auto' },
   })
diff --git a/src/generators/position.js b/src/generators/position.js
index ad3809f92..2bc9bf186 100644
--- a/src/generators/position.js
+++ b/src/generators/position.js
@@ -2,16 +2,23 @@ import defineClasses from '../util/defineClasses'
 
 export default function() {
   return defineClasses({
-    'static': { position: 'static' },
-    'fixed': { position: 'fixed' },
-    'absolute': { position: 'absolute' },
-    'relative': { position: 'relative' },
+    static: { position: 'static' },
+    fixed: { position: 'fixed' },
+    absolute: { position: 'absolute' },
+    relative: { position: 'relative' },
     'pin-t': { top: 0 },
     'pin-r': { right: 0 },
     'pin-b': { bottom: 0 },
     'pin-l': { left: 0 },
     'pin-y': { top: 0, bottom: 0 },
     'pin-x': { right: 0, left: 0 },
-    'pin': { top: 0, right: 0, bottom: 0, left: 0, width: '100%', height: '100%' },
+    pin: {
+      top: 0,
+      right: 0,
+      bottom: 0,
+      left: 0,
+      width: '100%',
+      height: '100%',
+    },
   })
 }
diff --git a/src/generators/resize.js b/src/generators/resize.js
index cc97bb529..711e3f684 100644
--- a/src/generators/resize.js
+++ b/src/generators/resize.js
@@ -2,8 +2,8 @@ import defineClasses from '../util/defineClasses'
 
 export default function() {
   return defineClasses({
-    'resize-none': { 'resize': 'none' },
-    'resize-y': { 'resize': 'vertical' },
-    'resize-x': { 'resize': 'horizontal' },
+    'resize-none': { resize: 'none' },
+    'resize-y': { resize: 'vertical' },
+    'resize-x': { resize: 'horizontal' },
   })
 }
diff --git a/src/generators/rounded.js b/src/generators/rounded.js
index 48135d12d..b251725a2 100644
--- a/src/generators/rounded.js
+++ b/src/generators/rounded.js
@@ -24,9 +24,12 @@ function sideVariants() {
 }
 
 module.exports = function({ borderRadius }) {
-  return _(borderRadius).map((radius, modifier) => {
-    return defineClass(modifier === 'default' ? 'rounded' : `rounded-${modifier}`, {
-      'border-radius': radius,
+  return _(borderRadius)
+    .map((radius, modifier) => {
+      return defineClass(modifier === 'default' ? 'rounded' : `rounded-${modifier}`, {
+        'border-radius': radius,
+      })
     })
-  }).concat(sideVariants()).value()
+    .concat(sideVariants())
+    .value()
 }
diff --git a/src/generators/shadows.js b/src/generators/shadows.js
index c9a5bdc94..b16de5bbb 100644
--- a/src/generators/shadows.js
+++ b/src/generators/shadows.js
@@ -1,7 +1,7 @@
 import _ from 'lodash'
 import defineClass from '../util/defineClass'
 
-export default function({shadows}) {
+export default function({ shadows }) {
   return _.map(shadows, (shadow, modifier) => {
     return defineClass(modifier === 'default' ? 'shadow' : `shadow-${modifier}`, {
       'box-shadow': shadow,
diff --git a/src/generators/sizing.js b/src/generators/sizing.js
index f4d8180f1..16c83d86d 100644
--- a/src/generators/sizing.js
+++ b/src/generators/sizing.js
@@ -4,7 +4,7 @@ import defineClass from '../util/defineClass'
 function defineWidths(widths) {
   return _.map(widths, (size, modifer) => {
     return defineClass(`w-${modifer}`, {
-      'width': `${size}`,
+      width: `${size}`,
     })
   })
 }
@@ -28,7 +28,7 @@ function defineMaxWidths(widths) {
 function defineHeights(heights) {
   return _.map(heights, (size, modifer) => {
     return defineClass(`h-${modifer}`, {
-      'height': `${size}`,
+      height: `${size}`,
     })
   })
 }
@@ -49,7 +49,7 @@ function defineMaxHeights(heights) {
   })
 }
 
-export default function (config) {
+export default function(config) {
   return _.flatten([
     defineWidths(config.width),
     defineMinWidths(config.minWidth),
diff --git a/src/generators/spacing.js b/src/generators/spacing.js
index bd0ebdde2..eb68ddab3 100644
--- a/src/generators/spacing.js
+++ b/src/generators/spacing.js
@@ -25,7 +25,7 @@ function definePadding(padding) {
         'padding-bottom': `${size}`,
       },
       [`p-${modifier}`]: {
-        'padding': `${size}`,
+        padding: `${size}`,
       },
     })
   })
@@ -55,7 +55,7 @@ function defineMargin(margin) {
         'margin-bottom': `${size}`,
       },
       [`m-${modifier}`]: {
-        'margin': `${size}`,
+        margin: `${size}`,
       },
     })
   })
@@ -87,13 +87,13 @@ function defineNegativeMargin(negativeMargin) {
         'margin-bottom': `${size}`,
       },
       [`-m-${modifier}`]: {
-        'margin': `${size}`,
+        margin: `${size}`,
       },
     })
   })
 }
 
-export default function ({ padding, margin, negativeMargin }) {
+export default function({ padding, margin, negativeMargin }) {
   return _.flatten([
     definePadding(padding),
     defineMargin(margin),
@@ -119,7 +119,7 @@ export default function ({ padding, margin, negativeMargin }) {
         'margin-bottom': 'auto',
       },
       'm-auto': {
-        'margin': 'auto',
+        margin: 'auto',
       },
     }),
     defineNegativeMargin(negativeMargin),
diff --git a/src/generators/textColors.js b/src/generators/textColors.js
index 7ead0593f..05443d7ef 100644
--- a/src/generators/textColors.js
+++ b/src/generators/textColors.js
@@ -2,10 +2,12 @@ import _ from 'lodash'
 import defineClass from '../util/defineClass'
 import hoverable from '../util/hoverable'
 
-export default function ({ textColors }) {
-  return hoverable(_.map(textColors, (color, modifier) => {
-    return defineClass(`text-${modifier}`, {
-      'color': color,
+export default function({ textColors }) {
+  return hoverable(
+    _.map(textColors, (color, modifier) => {
+      return defineClass(`text-${modifier}`, {
+        color,
+      })
     })
-  }))
+  )
 }
diff --git a/src/generators/textFonts.js b/src/generators/textFonts.js
index 85accaabf..d2a3bf308 100644
--- a/src/generators/textFonts.js
+++ b/src/generators/textFonts.js
@@ -1,7 +1,7 @@
 import _ from 'lodash'
 import defineClass from '../util/defineClass'
 
-export default function ({ fonts }) {
+export default function({ fonts }) {
   return _.map(fonts, (families, font) => {
     if (_.isArray(families)) {
       families = families.join(', ')
diff --git a/src/generators/textLeading.js b/src/generators/textLeading.js
index 3fd79fe82..ce661b93a 100644
--- a/src/generators/textLeading.js
+++ b/src/generators/textLeading.js
@@ -1,7 +1,7 @@
 import _ from 'lodash'
 import defineClass from '../util/defineClass'
 
-export default function ({ leading }) {
+export default function({ leading }) {
   return _.map(leading, (value, modifier) => {
     return defineClass(`leading-${modifier}`, {
       'line-height': `${value}`,
diff --git a/src/generators/textSizes.js b/src/generators/textSizes.js
index 1e6afd506..447e0db7c 100644
--- a/src/generators/textSizes.js
+++ b/src/generators/textSizes.js
@@ -1,7 +1,7 @@
 import _ from 'lodash'
 import defineClass from '../util/defineClass'
 
-export default function ({ textSizes }) {
+export default function({ textSizes }) {
   return _.map(textSizes, (size, modifier) => {
     return defineClass(`text-${modifier}`, {
       'font-size': `${size}`,
diff --git a/src/generators/textStyle.js b/src/generators/textStyle.js
index 2b8a16ca1..39658d3a2 100644
--- a/src/generators/textStyle.js
+++ b/src/generators/textStyle.js
@@ -1,30 +1,29 @@
-import _ from 'lodash'
 import defineClasses from '../util/defineClasses'
 import hoverable from '../util/hoverable'
 
 export default function() {
   return hoverable(
     defineClasses({
-      'italic': { 'font-style': 'italic' },
-      'roman': { 'font-style': 'normal' },
+      italic: { 'font-style': 'italic' },
+      roman: { 'font-style': 'normal' },
 
-      'uppercase': { 'text-transform': 'uppercase' },
-      'lowercase': { 'text-transform': 'lowercase' },
-      'capitalize': { 'text-transform': 'capitalize' },
+      uppercase: { 'text-transform': 'uppercase' },
+      lowercase: { 'text-transform': 'lowercase' },
+      capitalize: { 'text-transform': 'capitalize' },
       'normal-case': { 'text-transform': 'none' },
 
-      'underline': { 'text-decoration': 'underline' },
+      underline: { 'text-decoration': 'underline' },
       'line-through': { 'text-decoration': 'line-through' },
       'no-underline': { 'text-decoration': 'none' },
 
-      'antialiased': {
+      antialiased: {
         '-webkit-font-smoothing': 'antialiased',
-        '-moz-osx-font-smoothing': 'grayscale'
+        '-moz-osx-font-smoothing': 'grayscale',
       },
       'subpixel-antialiased': {
         '-webkit-font-smoothing': 'auto',
-        '-moz-osx-font-smoothing': 'auto'
-      }
+        '-moz-osx-font-smoothing': 'auto',
+      },
     })
   )
 }
diff --git a/src/generators/textTracking.js b/src/generators/textTracking.js
index e36eef651..696ee34c3 100644
--- a/src/generators/textTracking.js
+++ b/src/generators/textTracking.js
@@ -1,7 +1,7 @@
 import _ from 'lodash'
 import defineClass from '../util/defineClass'
 
-export default function ({ tracking }) {
+export default function({ tracking }) {
   return _.map(tracking, (value, modifier) => {
     return defineClass(`tracking-${modifier}`, {
       'letter-spacing': `${value}`,
diff --git a/src/generators/textWeights.js b/src/generators/textWeights.js
index 476878e44..b00489777 100644
--- a/src/generators/textWeights.js
+++ b/src/generators/textWeights.js
@@ -2,10 +2,12 @@ import _ from 'lodash'
 import defineClass from '../util/defineClass'
 import hoverable from '../util/hoverable'
 
-export default function ({ fontWeights }) {
-  return hoverable(_.map(fontWeights, (weight, modifier) => {
-    return defineClass(`font-${modifier}`, {
-      'font-weight': `${weight}`,
+export default function({ fontWeights }) {
+  return hoverable(
+    _.map(fontWeights, (weight, modifier) => {
+      return defineClass(`font-${modifier}`, {
+        'font-weight': `${weight}`,
+      })
     })
-  }))
+  )
 }
diff --git a/src/generators/textWrap.js b/src/generators/textWrap.js
index 9a23805ee..f869c8788 100644
--- a/src/generators/textWrap.js
+++ b/src/generators/textWrap.js
@@ -11,8 +11,8 @@ export default function() {
     'break-words': { 'word-wrap': 'break-word' },
     'break-normal': { 'word-wrap': 'normal' },
 
-    'truncate': {
-      'overflow': 'hidden',
+    truncate: {
+      overflow: 'hidden',
       'text-overflow': 'ellipsis',
       'white-space': 'nowrap',
     },
diff --git a/src/generators/visibility.js b/src/generators/visibility.js
index 82fe72765..7084040bb 100644
--- a/src/generators/visibility.js
+++ b/src/generators/visibility.js
@@ -2,7 +2,7 @@ import defineClasses from '../util/defineClasses'
 
 export default function() {
   return defineClasses({
-    'visible': { 'visibility': 'visible' },
-    'invisible': { 'visibility': 'hidden' },
+    visible: { visibility: 'visible' },
+    invisible: { visibility: 'hidden' },
   })
 }
diff --git a/src/generators/zIndex.js b/src/generators/zIndex.js
index 97b405272..cea79b2f7 100644
--- a/src/generators/zIndex.js
+++ b/src/generators/zIndex.js
@@ -1,7 +1,7 @@
 import _ from 'lodash'
 import defineClass from '../util/defineClass'
 
-export default function ({ zIndex }) {
+export default function({ zIndex }) {
   return _.map(zIndex, (value, modifier) => {
     return defineClass(`z-${modifier}`, {
       'z-index': value,
diff --git a/src/index.js b/src/index.js
index f0899fe77..bf8fb76aa 100644
--- a/src/index.js
+++ b/src/index.js
@@ -1,4 +1,3 @@
-import fs from 'fs'
 import path from 'path'
 
 import _ from 'lodash'
@@ -15,10 +14,10 @@ import substituteResponsiveAtRules from './lib/substituteResponsiveAtRules'
 import substituteScreenAtRules from './lib/substituteScreenAtRules'
 import substituteClassApplyAtRules from './lib/substituteClassApplyAtRules'
 
-const plugin = postcss.plugin('tailwind', (config) => {
+const plugin = postcss.plugin('tailwind', config => {
   const plugins = []
 
-  if (! _.isUndefined(config)) {
+  if (!_.isUndefined(config)) {
     plugins.push(registerConfigAsDependency(path.resolve(config)))
   }
 
@@ -31,20 +30,23 @@ const plugin = postcss.plugin('tailwind', (config) => {
     return require(path.resolve(config))
   }
 
-  return postcss(...plugins, ...[
-    substitutePreflightAtRule(lazyConfig),
-    evaluateTailwindFunctions(lazyConfig),
-    generateUtilities(lazyConfig),
-    substituteHoverableAtRules(lazyConfig),
-    substituteFocusableAtRules(lazyConfig),
-    substituteResponsiveAtRules(lazyConfig),
-    substituteScreenAtRules(lazyConfig),
-    substituteClassApplyAtRules(lazyConfig),
-    stylefmt,
-  ])
+  return postcss(
+    ...plugins,
+    ...[
+      substitutePreflightAtRule(lazyConfig),
+      evaluateTailwindFunctions(lazyConfig),
+      generateUtilities(lazyConfig),
+      substituteHoverableAtRules(lazyConfig),
+      substituteFocusableAtRules(lazyConfig),
+      substituteResponsiveAtRules(lazyConfig),
+      substituteScreenAtRules(lazyConfig),
+      substituteClassApplyAtRules(lazyConfig),
+      stylefmt,
+    ]
+  )
 })
 
-plugin.defaultConfig = function () {
+plugin.defaultConfig = function() {
   return _.cloneDeep(require('../defaultConfig'))
 }
 
diff --git a/src/lib/evaluateTailwindFunctions.js b/src/lib/evaluateTailwindFunctions.js
index 2e00ed9c1..307baf3c3 100644
--- a/src/lib/evaluateTailwindFunctions.js
+++ b/src/lib/evaluateTailwindFunctions.js
@@ -6,9 +6,9 @@ export default function(config) {
 
   return functions({
     functions: {
-      config: function (path, defaultValue) {
+      config: (path, defaultValue) => {
         return _.get(options, _.trim(path, `'"`), defaultValue)
-      }
-    }
+      },
+    },
   })
 }
diff --git a/src/lib/registerConfigAsDependency.js b/src/lib/registerConfigAsDependency.js
index 589db20ed..95dcc657c 100644
--- a/src/lib/registerConfigAsDependency.js
+++ b/src/lib/registerConfigAsDependency.js
@@ -1,15 +1,17 @@
 import fs from 'fs'
 
 export default function(configFile) {
-  if (! fs.existsSync(configFile)) {
+  if (!fs.existsSync(configFile)) {
     throw new Error(`Specified Tailwind config file "${configFile}" doesn't exist.`)
   }
 
-  return function (css, opts) {
-    opts.messages = [{
-      type: 'dependency',
-      file: configFile,
-      parent: css.source.input.file,
-    }]
+  return function(css, opts) {
+    opts.messages = [
+      {
+        type: 'dependency',
+        file: configFile,
+        parent: css.source.input.file,
+      },
+    ]
   }
 }
diff --git a/src/lib/substituteClassApplyAtRules.js b/src/lib/substituteClassApplyAtRules.js
index ff3568c4d..11aaf3f98 100644
--- a/src/lib/substituteClassApplyAtRules.js
+++ b/src/lib/substituteClassApplyAtRules.js
@@ -1,18 +1,17 @@
-import postcss from 'postcss'
 import _ from 'lodash'
+import postcss from 'postcss'
 import findMixin from '../util/findMixin'
 import escapeClassName from '../util/escapeClassName'
 
 function normalizeClassNames(classNames) {
-  return classNames.map((className) => {
+  return classNames.map(className => {
     return `.${escapeClassName(_.trimStart(className, '.'))}`
   })
 }
 
-export default function(config) {
-  return function (css) {
-    const options = config()
-    css.walkRules(function(rule) {
+export default function() {
+  return function(css) {
+    css.walkRules(rule => {
       rule.walkAtRules('apply', atRule => {
         const mixins = normalizeClassNames(postcss.list.space(atRule.params))
 
diff --git a/src/lib/substituteFocusableAtRules.js b/src/lib/substituteFocusableAtRules.js
index 10cf04e2f..5fe48c825 100644
--- a/src/lib/substituteFocusableAtRules.js
+++ b/src/lib/substituteFocusableAtRules.js
@@ -1,20 +1,12 @@
-import _ from 'lodash'
-import postcss from 'postcss'
 import cloneNodes from '../util/cloneNodes'
 
-export default function(config) {
-  return function (css) {
-    const options = config()
-
+export default function() {
+  return function(css) {
     css.walkAtRules('focusable', atRule => {
-
       atRule.walkRules(rule => {
         // Might be wise to error if the rule has multiple selectors,
         // or weird compound selectors like .bg-blue>p>h1
-        rule.selectors =  [
-          rule.selector,
-          `.focus\\:${rule.selector.slice(1)}:focus`
-        ]
+        rule.selectors = [rule.selector, `.focus\\:${rule.selector.slice(1)}:focus`]
       })
 
       atRule.before(cloneNodes(atRule.nodes))
diff --git a/src/lib/substituteHoverableAtRules.js b/src/lib/substituteHoverableAtRules.js
index abe432d70..0fe0d10e6 100644
--- a/src/lib/substituteHoverableAtRules.js
+++ b/src/lib/substituteHoverableAtRules.js
@@ -1,20 +1,12 @@
-import _ from 'lodash'
-import postcss from 'postcss'
 import cloneNodes from '../util/cloneNodes'
 
-export default function(config) {
-  return function (css) {
-    const options = config()
-
+export default function() {
+  return function(css) {
     css.walkAtRules('hoverable', atRule => {
-
       atRule.walkRules(rule => {
         // Might be wise to error if the rule has multiple selectors,
         // or weird compound selectors like .bg-blue>p>h1
-        rule.selectors =  [
-          rule.selector,
-          `.hover\\:${rule.selector.slice(1)}:hover`
-        ]
+        rule.selectors = [rule.selector, `.hover\\:${rule.selector.slice(1)}:hover`]
       })
 
       atRule.before(cloneNodes(atRule.nodes))
diff --git a/src/lib/substitutePreflightAtRule.js b/src/lib/substitutePreflightAtRule.js
index 62e01a49a..24060c3b8 100644
--- a/src/lib/substitutePreflightAtRule.js
+++ b/src/lib/substitutePreflightAtRule.js
@@ -1,14 +1,14 @@
 import fs from 'fs'
 import postcss from 'postcss'
 
-export default function(config) {
-  return function (css) {
-    const options = config()
-
+export default function() {
+  return function(css) {
     css.walkAtRules('tailwind', atRule => {
       if (atRule.params === 'preflight') {
-          atRule.before(postcss.parse(fs.readFileSync(`${__dirname}/../../css/preflight.css`, 'utf8')))
-          atRule.remove()
+        atRule.before(
+          postcss.parse(fs.readFileSync(`${__dirname}/../../css/preflight.css`, 'utf8'))
+        )
+        atRule.remove()
       }
     })
   }
diff --git a/src/lib/substituteResponsiveAtRules.js b/src/lib/substituteResponsiveAtRules.js
index 9f2ec7b76..a7baf1729 100644
--- a/src/lib/substituteResponsiveAtRules.js
+++ b/src/lib/substituteResponsiveAtRules.js
@@ -3,9 +3,8 @@ import postcss from 'postcss'
 import cloneNodes from '../util/cloneNodes'
 import buildMediaQuery from '../util/buildMediaQuery'
 
-
 export default function(config) {
-  return function (css) {
+  return function(css) {
     const screens = config().screens
     const rules = []
 
diff --git a/src/lib/substituteScreenAtRules.js b/src/lib/substituteScreenAtRules.js
index 951492e8f..bc8cc7da4 100644
--- a/src/lib/substituteScreenAtRules.js
+++ b/src/lib/substituteScreenAtRules.js
@@ -1,17 +1,14 @@
 import _ from 'lodash'
-import postcss from 'postcss'
-import cloneNodes from '../util/cloneNodes'
 import buildMediaQuery from '../util/buildMediaQuery'
 
 export default function(config) {
   return function(css) {
     const options = config()
-    const rules = []
 
     css.walkAtRules('screen', atRule => {
       const screen = atRule.params
 
-      if (! _.has(options.screens, screen)) {
+      if (!_.has(options.screens, screen)) {
         throw atRule.error(`No \`${screen}\` screen found.`)
       }
 
diff --git a/src/util/buildMediaQuery.js b/src/util/buildMediaQuery.js
index ad6cff6ea..cbac0a024 100644
--- a/src/util/buildMediaQuery.js
+++ b/src/util/buildMediaQuery.js
@@ -9,21 +9,25 @@ export default function buildMediaQuery(screens) {
     screens = [screens]
   }
 
-  return _(screens).map((screen) => {
-    if (_.has(screen, 'raw')) {
-      return screen.raw
-    }
+  return _(screens)
+    .map(screen => {
+      if (_.has(screen, 'raw')) {
+        return screen.raw
+      }
 
-    return _(screen).map((value, feature) => {
-      feature = _.get(
-        {
-          min: 'min-width',
-          max: 'max-width',
-        },
-        feature,
-        feature
-      )
-      return `(${feature}: ${value})`
-    }).join(' and ')
-  }).join(', ')
+      return _(screen)
+        .map((value, feature) => {
+          feature = _.get(
+            {
+              min: 'min-width',
+              max: 'max-width',
+            },
+            feature,
+            feature
+          )
+          return `(${feature}: ${value})`
+        })
+        .join(' and ')
+    })
+    .join(', ')
 }
diff --git a/src/util/defineClass.js b/src/util/defineClass.js
index 5a21d4687..8ccb3aa69 100644
--- a/src/util/defineClass.js
+++ b/src/util/defineClass.js
@@ -10,7 +10,9 @@ export default function(className, properties) {
     })
   })
 
-  return postcss.rule({
-    selector: `.${escapeClassName(className)}`,
-  }).append(decls)
+  return postcss
+    .rule({
+      selector: `.${escapeClassName(className)}`,
+    })
+    .append(decls)
 }
diff --git a/src/util/defineClasses.js b/src/util/defineClasses.js
index 6a60751d7..4f80aef30 100644
--- a/src/util/defineClasses.js
+++ b/src/util/defineClasses.js
@@ -1,4 +1,3 @@
-import postcss from 'postcss'
 import _ from 'lodash'
 import defineClass from './defineClass'
 
diff --git a/src/util/escapeClassName.js b/src/util/escapeClassName.js
index 052a4de8b..3c2f93738 100644
--- a/src/util/escapeClassName.js
+++ b/src/util/escapeClassName.js
@@ -1,3 +1,3 @@
 export default function escapeClassName(className) {
-    return className.replace(/([^A-Za-z0-9\-])/g, "\\$1")
+  return className.replace(/([^A-Za-z0-9\-])/g, '\\$1')
 }
diff --git a/src/util/findMixin.js b/src/util/findMixin.js
index b07372a4e..1460ea812 100644
--- a/src/util/findMixin.js
+++ b/src/util/findMixin.js
@@ -4,7 +4,7 @@ export default function findMixin(css, mixin, onError) {
   const matches = []
 
   css.walkRules(rule => {
-    if (rule.selectors.includes(mixin) && rule.parent.type == 'root') {
+    if (rule.selectors.includes(mixin) && rule.parent.type === 'root') {
       matches.push(rule)
     }
   })
diff --git a/src/util/focusable.js b/src/util/focusable.js
index 34996202b..5f05af1a0 100644
--- a/src/util/focusable.js
+++ b/src/util/focusable.js
@@ -2,7 +2,9 @@ import postcss from 'postcss'
 import cloneNodes from './cloneNodes'
 
 export default function focusable(rules) {
-  return postcss.atRule({
-    name: 'focusable',
-  }).append(cloneNodes(rules))
+  return postcss
+    .atRule({
+      name: 'focusable',
+    })
+    .append(cloneNodes(rules))
 }
diff --git a/src/util/hoverable.js b/src/util/hoverable.js
index afe4ea1c8..ad76b8a35 100644
--- a/src/util/hoverable.js
+++ b/src/util/hoverable.js
@@ -2,7 +2,9 @@ import postcss from 'postcss'
 import cloneNodes from './cloneNodes'
 
 export default function hoverable(rules) {
-  return postcss.atRule({
-    name: 'hoverable',
-  }).append(cloneNodes(rules))
+  return postcss
+    .atRule({
+      name: 'hoverable',
+    })
+    .append(cloneNodes(rules))
 }
diff --git a/src/util/responsive.js b/src/util/responsive.js
index eb9fa1e4f..67c905645 100644
--- a/src/util/responsive.js
+++ b/src/util/responsive.js
@@ -2,7 +2,9 @@ import postcss from 'postcss'
 import cloneNodes from './cloneNodes'
 
 export default function responsive(rules) {
-  return postcss.atRule({
-    name: 'responsive',
-  }).append(cloneNodes(rules))
+  return postcss
+    .atRule({
+      name: 'responsive',
+    })
+    .append(cloneNodes(rules))
 }
diff --git a/yarn.lock b/yarn.lock
index 4dcfb387d..216fbc36f 100644
--- a/yarn.lock
+++ b/yarn.lock
@@ -23,10 +23,24 @@ acorn-globals@^3.1.0:
   dependencies:
     acorn "^4.0.4"
 
+acorn-jsx@^3.0.0:
+  version "3.0.1"
+  resolved "https://registry.yarnpkg.com/acorn-jsx/-/acorn-jsx-3.0.1.tgz#afdf9488fb1ecefc8348f6fb22f464e32a58b36b"
+  dependencies:
+    acorn "^3.0.4"
+
+acorn@^3.0.4:
+  version "3.3.0"
+  resolved "https://registry.yarnpkg.com/acorn/-/acorn-3.3.0.tgz#45e37fb39e8da3f25baee3ff5369e2bb5f22017a"
+
 acorn@^4.0.4:
   version "4.0.13"
   resolved "https://registry.yarnpkg.com/acorn/-/acorn-4.0.13.tgz#105495ae5361d697bd195c825192e1ad7f253787"
 
+acorn@^5.1.1:
+  version "5.2.1"
+  resolved "https://registry.yarnpkg.com/acorn/-/acorn-5.2.1.tgz#317ac7821826c22c702d66189ab8359675f135d7"
+
 ajv-keywords@^1.0.0:
   version "1.5.1"
   resolved "https://registry.yarnpkg.com/ajv-keywords/-/ajv-keywords-1.5.1.tgz#314dd0a4b3368fad3dfcdc54ede6171b886daf3c"
@@ -38,6 +52,15 @@ ajv@^4.7.0, ajv@^4.9.1:
     co "^4.6.0"
     json-stable-stringify "^1.0.1"
 
+ajv@^5.2.0:
+  version "5.3.0"
+  resolved "https://registry.yarnpkg.com/ajv/-/ajv-5.3.0.tgz#4414ff74a50879c208ee5fdc826e32c303549eda"
+  dependencies:
+    co "^4.6.0"
+    fast-deep-equal "^1.0.0"
+    fast-json-stable-stringify "^2.0.0"
+    json-schema-traverse "^0.3.0"
+
 align-text@^0.1.1, align-text@^0.1.3:
   version "0.1.4"
   resolved "https://registry.yarnpkg.com/align-text/-/align-text-0.1.4.tgz#0cd90a561093f35d0a99256c22b7069433fad117"
@@ -60,6 +83,10 @@ ansi-escapes@^1.4.0:
   version "1.4.0"
   resolved "https://registry.yarnpkg.com/ansi-escapes/-/ansi-escapes-1.4.0.tgz#d3a8a83b319aa67793662b13e761c7911422306e"
 
+ansi-escapes@^3.0.0:
+  version "3.0.0"
+  resolved "https://registry.yarnpkg.com/ansi-escapes/-/ansi-escapes-3.0.0.tgz#ec3e8b4e9f8064fc02c3ac9b65f1c275bda8ef92"
+
 ansi-regex@^2.0.0, ansi-regex@^2.1.1:
   version "2.1.1"
   resolved "https://registry.yarnpkg.com/ansi-regex/-/ansi-regex-2.1.1.tgz#c3b33ab5ee360d86e0e628f0468ae7ef27d654df"
@@ -229,7 +256,7 @@ babel-cli@^6.6.5:
   optionalDependencies:
     chokidar "^1.6.1"
 
-babel-code-frame@^6.26.0:
+babel-code-frame@^6.22.0, babel-code-frame@^6.26.0:
   version "6.26.0"
   resolved "https://registry.yarnpkg.com/babel-code-frame/-/babel-code-frame-6.26.0.tgz#63fd43f7dc1e3bb7ce35947db8fe369a3f58c74b"
   dependencies:
@@ -983,6 +1010,16 @@ builtin-modules@^1.0.0:
   version "1.1.1"
   resolved "https://registry.yarnpkg.com/builtin-modules/-/builtin-modules-1.1.1.tgz#270f076c5a72c02f5b65a47df94c5fe3a278892f"
 
+caller-path@^0.1.0:
+  version "0.1.0"
+  resolved "https://registry.yarnpkg.com/caller-path/-/caller-path-0.1.0.tgz#94085ef63581ecd3daa92444a8fe94e82577751f"
+  dependencies:
+    callsites "^0.2.0"
+
+callsites@^0.2.0:
+  version "0.2.0"
+  resolved "https://registry.yarnpkg.com/callsites/-/callsites-0.2.0.tgz#afab96262910a7f33c19a5775825c69f34e350ca"
+
 callsites@^2.0.0:
   version "2.0.0"
   resolved "https://registry.yarnpkg.com/callsites/-/callsites-2.0.0.tgz#06eb84f00eea413da86affefacbffb36093b3c50"
@@ -1047,17 +1084,17 @@ chalk@^1.0.0, chalk@^1.1.1, chalk@^1.1.3:
     strip-ansi "^3.0.0"
     supports-color "^2.0.0"
 
-chalk@^2.0.1, chalk@^2.1.0:
-  version "2.1.0"
-  resolved "https://registry.yarnpkg.com/chalk/-/chalk-2.1.0.tgz#ac5becf14fa21b99c6c92ca7a7d7cfd5b17e743e"
+chalk@^2.0.0, chalk@^2.3.0:
+  version "2.3.0"
+  resolved "https://registry.yarnpkg.com/chalk/-/chalk-2.3.0.tgz#b5ea48efc9c1793dccc9b4767c93914d3f2d52ba"
   dependencies:
     ansi-styles "^3.1.0"
     escape-string-regexp "^1.0.5"
     supports-color "^4.0.0"
 
-chalk@^2.3.0:
-  version "2.3.0"
-  resolved "https://registry.yarnpkg.com/chalk/-/chalk-2.3.0.tgz#b5ea48efc9c1793dccc9b4767c93914d3f2d52ba"
+chalk@^2.0.1, chalk@^2.1.0:
+  version "2.1.0"
+  resolved "https://registry.yarnpkg.com/chalk/-/chalk-2.1.0.tgz#ac5becf14fa21b99c6c92ca7a7d7cfd5b17e743e"
   dependencies:
     ansi-styles "^3.1.0"
     escape-string-regexp "^1.0.5"
@@ -1096,6 +1133,16 @@ cli-boxes@^1.0.0:
   version "1.0.0"
   resolved "https://registry.yarnpkg.com/cli-boxes/-/cli-boxes-1.0.0.tgz#4fa917c3e59c94a004cd61f8ee509da651687143"
 
+cli-cursor@^2.1.0:
+  version "2.1.0"
+  resolved "https://registry.yarnpkg.com/cli-cursor/-/cli-cursor-2.1.0.tgz#b35dac376479facc3e94747d41d0d0f5238ffcb5"
+  dependencies:
+    restore-cursor "^2.0.0"
+
+cli-width@^2.0.0:
+  version "2.2.0"
+  resolved "https://registry.yarnpkg.com/cli-width/-/cli-width-2.2.0.tgz#ff19ede8a9a5e579324147b0c11f0fbcbabed639"
+
 cliui@^2.1.0:
   version "2.1.0"
   resolved "https://registry.yarnpkg.com/cliui/-/cliui-2.1.0.tgz#4b475760ff80264c762c3a1719032e91c7fea0d1"
@@ -1170,6 +1217,14 @@ concat-map@0.0.1:
   version "0.0.1"
   resolved "https://registry.yarnpkg.com/concat-map/-/concat-map-0.0.1.tgz#d8a96bd77fd68df7793a73036a3ba0d5405d477b"
 
+concat-stream@^1.6.0:
+  version "1.6.0"
+  resolved "https://registry.yarnpkg.com/concat-stream/-/concat-stream-1.6.0.tgz#0aac662fd52be78964d5532f694784e70110acf7"
+  dependencies:
+    inherits "^2.0.3"
+    readable-stream "^2.2.2"
+    typedarray "^0.0.6"
+
 configstore@^3.0.0:
   version "3.1.1"
   resolved "https://registry.yarnpkg.com/configstore/-/configstore-3.1.1.tgz#094ee662ab83fad9917678de114faaea8fcdca90"
@@ -1219,7 +1274,7 @@ create-error-class@^3.0.0:
   dependencies:
     capture-stack-trace "^1.0.0"
 
-cross-spawn@^5.0.1:
+cross-spawn@^5.0.1, cross-spawn@^5.1.0:
   version "5.1.0"
   resolved "https://registry.yarnpkg.com/cross-spawn/-/cross-spawn-5.1.0.tgz#e8bd0efee58fcff6f8f94510a0a554bbfa235449"
   dependencies:
@@ -1295,6 +1350,12 @@ debug@^2.2.0, debug@^2.6.0, debug@^2.6.3, debug@^2.6.8:
   dependencies:
     ms "2.0.0"
 
+debug@^3.0.1:
+  version "3.1.0"
+  resolved "https://registry.yarnpkg.com/debug/-/debug-3.1.0.tgz#5bb5a0672628b64149566ba16819e61518c67261"
+  dependencies:
+    ms "2.0.0"
+
 decamelize@^1.0.0, decamelize@^1.1.1, decamelize@^1.1.2:
   version "1.2.0"
   resolved "https://registry.yarnpkg.com/decamelize/-/decamelize-1.2.0.tgz#f6534d15148269b20352e7bee26f501f9a191290"
@@ -1358,6 +1419,13 @@ diff@^3.2.0:
   version "3.3.1"
   resolved "https://registry.yarnpkg.com/diff/-/diff-3.3.1.tgz#aa8567a6eed03c531fc89d3f711cd0e5259dec75"
 
+doctrine@^2.0.0:
+  version "2.0.0"
+  resolved "https://registry.yarnpkg.com/doctrine/-/doctrine-2.0.0.tgz#c73d8d2909d22291e1a007a395804da8b665fe63"
+  dependencies:
+    esutils "^2.0.2"
+    isarray "^1.0.0"
+
 doiuse@^2.4.1:
   version "2.6.0"
   resolved "https://registry.yarnpkg.com/doiuse/-/doiuse-2.6.0.tgz#1892d10b61a9a356addbf2b614933e81f8bb3834"
@@ -1468,6 +1536,79 @@ escodegen@^1.6.1:
   optionalDependencies:
     source-map "~0.5.6"
 
+eslint-config-postcss@^2.0.2:
+  version "2.0.2"
+  resolved "https://registry.yarnpkg.com/eslint-config-postcss/-/eslint-config-postcss-2.0.2.tgz#cae1c6093ced7850894a5b85fbe1d1e232b72afb"
+
+eslint-config-prettier@^2.7.0:
+  version "2.7.0"
+  resolved "https://registry.yarnpkg.com/eslint-config-prettier/-/eslint-config-prettier-2.7.0.tgz#7bbfef66ad783277836f4ea556e68b9bcc9da4d0"
+  dependencies:
+    get-stdin "^5.0.1"
+
+eslint-plugin-prettier@^2.3.1:
+  version "2.3.1"
+  resolved "https://registry.yarnpkg.com/eslint-plugin-prettier/-/eslint-plugin-prettier-2.3.1.tgz#e7a746c67e716f335274b88295a9ead9f544e44d"
+  dependencies:
+    fast-diff "^1.1.1"
+    jest-docblock "^21.0.0"
+
+eslint-scope@^3.7.1:
+  version "3.7.1"
+  resolved "https://registry.yarnpkg.com/eslint-scope/-/eslint-scope-3.7.1.tgz#3d63c3edfda02e06e01a452ad88caacc7cdcb6e8"
+  dependencies:
+    esrecurse "^4.1.0"
+    estraverse "^4.1.1"
+
+eslint@^4.10.0:
+  version "4.10.0"
+  resolved "https://registry.yarnpkg.com/eslint/-/eslint-4.10.0.tgz#f25d0d7955c81968c2309aa5c9a229e045176bb7"
+  dependencies:
+    ajv "^5.2.0"
+    babel-code-frame "^6.22.0"
+    chalk "^2.1.0"
+    concat-stream "^1.6.0"
+    cross-spawn "^5.1.0"
+    debug "^3.0.1"
+    doctrine "^2.0.0"
+    eslint-scope "^3.7.1"
+    espree "^3.5.1"
+    esquery "^1.0.0"
+    estraverse "^4.2.0"
+    esutils "^2.0.2"
+    file-entry-cache "^2.0.0"
+    functional-red-black-tree "^1.0.1"
+    glob "^7.1.2"
+    globals "^9.17.0"
+    ignore "^3.3.3"
+    imurmurhash "^0.1.4"
+    inquirer "^3.0.6"
+    is-resolvable "^1.0.0"
+    js-yaml "^3.9.1"
+    json-stable-stringify "^1.0.1"
+    levn "^0.3.0"
+    lodash "^4.17.4"
+    minimatch "^3.0.2"
+    mkdirp "^0.5.1"
+    natural-compare "^1.4.0"
+    optionator "^0.8.2"
+    path-is-inside "^1.0.2"
+    pluralize "^7.0.0"
+    progress "^2.0.0"
+    require-uncached "^1.0.3"
+    semver "^5.3.0"
+    strip-ansi "^4.0.0"
+    strip-json-comments "~2.0.1"
+    table "^4.0.1"
+    text-table "~0.2.0"
+
+espree@^3.5.1:
+  version "3.5.1"
+  resolved "https://registry.yarnpkg.com/espree/-/espree-3.5.1.tgz#0c988b8ab46db53100a1954ae4ba995ddd27d87e"
+  dependencies:
+    acorn "^5.1.1"
+    acorn-jsx "^3.0.0"
+
 esprima@^3.1.3:
   version "3.1.3"
   resolved "https://registry.yarnpkg.com/esprima/-/esprima-3.1.3.tgz#fdca51cee6133895e3c88d535ce49dbff62a4633"
@@ -1476,7 +1617,20 @@ esprima@^4.0.0:
   version "4.0.0"
   resolved "https://registry.yarnpkg.com/esprima/-/esprima-4.0.0.tgz#4499eddcd1110e0b218bacf2fa7f7f59f55ca804"
 
-estraverse@^4.2.0:
+esquery@^1.0.0:
+  version "1.0.0"
+  resolved "https://registry.yarnpkg.com/esquery/-/esquery-1.0.0.tgz#cfba8b57d7fba93f17298a8a006a04cda13d80fa"
+  dependencies:
+    estraverse "^4.0.0"
+
+esrecurse@^4.1.0:
+  version "4.2.0"
+  resolved "https://registry.yarnpkg.com/esrecurse/-/esrecurse-4.2.0.tgz#fa9568d98d3823f9a41d91e902dcab9ea6e5b163"
+  dependencies:
+    estraverse "^4.1.0"
+    object-assign "^4.0.1"
+
+estraverse@^4.0.0, estraverse@^4.1.0, estraverse@^4.1.1, estraverse@^4.2.0:
   version "4.2.0"
   resolved "https://registry.yarnpkg.com/estraverse/-/estraverse-4.2.0.tgz#0dee3fed31fcd469618ce7342099fc1afa0bdb13"
 
@@ -1536,6 +1690,14 @@ extend@~3.0.0:
   version "3.0.1"
   resolved "https://registry.yarnpkg.com/extend/-/extend-3.0.1.tgz#a755ea7bc1adfcc5a31ce7e762dbaadc5e636444"
 
+external-editor@^2.0.4:
+  version "2.0.5"
+  resolved "https://registry.yarnpkg.com/external-editor/-/external-editor-2.0.5.tgz#52c249a3981b9ba187c7cacf5beb50bf1d91a6bc"
+  dependencies:
+    iconv-lite "^0.4.17"
+    jschardet "^1.4.2"
+    tmp "^0.0.33"
+
 extglob@^0.3.1:
   version "0.3.2"
   resolved "https://registry.yarnpkg.com/extglob/-/extglob-0.3.2.tgz#2e18ff3d2f49ab2765cec9023f011daa8d8349a1"
@@ -1546,6 +1708,18 @@ extsprintf@1.3.0, extsprintf@^1.2.0:
   version "1.3.0"
   resolved "https://registry.yarnpkg.com/extsprintf/-/extsprintf-1.3.0.tgz#96918440e3041a7a414f8c52e3c574eb3c3e1e05"
 
+fast-deep-equal@^1.0.0:
+  version "1.0.0"
+  resolved "https://registry.yarnpkg.com/fast-deep-equal/-/fast-deep-equal-1.0.0.tgz#96256a3bc975595eb36d82e9929d060d893439ff"
+
+fast-diff@^1.1.1:
+  version "1.1.2"
+  resolved "https://registry.yarnpkg.com/fast-diff/-/fast-diff-1.1.2.tgz#4b62c42b8e03de3f848460b639079920695d0154"
+
+fast-json-stable-stringify@^2.0.0:
+  version "2.0.0"
+  resolved "https://registry.yarnpkg.com/fast-json-stable-stringify/-/fast-json-stable-stringify-2.0.0.tgz#d5142c0caee6b1189f87d3a76111064f86c8bbf2"
+
 fast-levenshtein@~2.0.4:
   version "2.0.6"
   resolved "https://registry.yarnpkg.com/fast-levenshtein/-/fast-levenshtein-2.0.6.tgz#3d8a5c66883a16a30ca8643e851f19baa7797917"
@@ -1562,6 +1736,12 @@ fb-watchman@^2.0.0:
   dependencies:
     bser "^2.0.0"
 
+figures@^2.0.0:
+  version "2.0.0"
+  resolved "https://registry.yarnpkg.com/figures/-/figures-2.0.0.tgz#3ab1a2d2a62c8bfb431a0c94cb797a2fce27c962"
+  dependencies:
+    escape-string-regexp "^1.0.5"
+
 file-entry-cache@^2.0.0:
   version "2.0.0"
   resolved "https://registry.yarnpkg.com/file-entry-cache/-/file-entry-cache-2.0.0.tgz#c392990c3e684783d838b8c84a45d8a048458361"
@@ -1696,6 +1876,10 @@ function-bind@^1.0.2, function-bind@^1.1.1, function-bind@~1.1.0:
   version "1.1.1"
   resolved "https://registry.yarnpkg.com/function-bind/-/function-bind-1.1.1.tgz#a56899d3ea3c9bab874bb9773b7c5ede92f4895d"
 
+functional-red-black-tree@^1.0.1:
+  version "1.0.1"
+  resolved "https://registry.yarnpkg.com/functional-red-black-tree/-/functional-red-black-tree-1.0.1.tgz#1b0ab3bd553b2a0d6399d29c0e3ea0b252078327"
+
 gather-stream@^1.0.0:
   version "1.0.0"
   resolved "https://registry.yarnpkg.com/gather-stream/-/gather-stream-1.0.0.tgz#b33994af457a8115700d410f317733cbe7a0904b"
@@ -1721,7 +1905,7 @@ get-stdin@^4.0.1:
   version "4.0.1"
   resolved "https://registry.yarnpkg.com/get-stdin/-/get-stdin-4.0.1.tgz#b968c6b0a04384324902e8bf1a5df32579a450fe"
 
-get-stdin@^5.0.0:
+get-stdin@^5.0.0, get-stdin@^5.0.1:
   version "5.0.1"
   resolved "https://registry.yarnpkg.com/get-stdin/-/get-stdin-5.0.1.tgz#122e161591e21ff4c52530305693f20e6393a398"
 
@@ -1759,7 +1943,7 @@ glob@^7.0.3, glob@^7.0.5, glob@^7.1.1, glob@^7.1.2, glob@~7.1.2:
     once "^1.3.0"
     path-is-absolute "^1.0.0"
 
-globals@^9.18.0:
+globals@^9.17.0, globals@^9.18.0:
   version "9.18.0"
   resolved "https://registry.yarnpkg.com/globals/-/globals-9.18.0.tgz#aa3896b3e69b487f17e31ed2143d69a8e30c2d8a"
 
@@ -1903,6 +2087,10 @@ iconv-lite@0.4.13:
   version "0.4.13"
   resolved "https://registry.yarnpkg.com/iconv-lite/-/iconv-lite-0.4.13.tgz#1f88aba4ab0b1508e8312acc39345f36e992e2f2"
 
+iconv-lite@^0.4.17:
+  version "0.4.19"
+  resolved "https://registry.yarnpkg.com/iconv-lite/-/iconv-lite-0.4.19.tgz#f7468f60135f5e5dad3399c0a81be9a1603a082b"
+
 ignore-by-default@^1.0.1:
   version "1.0.1"
   resolved "https://registry.yarnpkg.com/ignore-by-default/-/ignore-by-default-1.0.1.tgz#48ca6d72f6c6a3af00a9ad4ae6876be3889e2b09"
@@ -1911,6 +2099,10 @@ ignore@^3.2.0:
   version "3.3.5"
   resolved "https://registry.yarnpkg.com/ignore/-/ignore-3.3.5.tgz#c4e715455f6073a8d7e5dae72d2fc9d71663dba6"
 
+ignore@^3.3.3:
+  version "3.3.7"
+  resolved "https://registry.yarnpkg.com/ignore/-/ignore-3.3.7.tgz#612289bfb3c220e186a58118618d5be8c1bab021"
+
 import-lazy@^2.1.0:
   version "2.1.0"
   resolved "https://registry.yarnpkg.com/import-lazy/-/import-lazy-2.1.0.tgz#05698e3d45c88e8d7e9d92cb0584e77f096f3e43"
@@ -1936,7 +2128,7 @@ inflight@^1.0.4:
     once "^1.3.0"
     wrappy "1"
 
-inherits@2, inherits@^2.0.1, inherits@~2.0.0, inherits@~2.0.1, inherits@~2.0.3:
+inherits@2, inherits@^2.0.1, inherits@^2.0.3, inherits@~2.0.0, inherits@~2.0.1, inherits@~2.0.3:
   version "2.0.3"
   resolved "https://registry.yarnpkg.com/inherits/-/inherits-2.0.3.tgz#633c2c83e3da42a502f52466022480f4208261de"
 
@@ -1944,6 +2136,25 @@ ini@~1.3.0:
   version "1.3.4"
   resolved "https://registry.yarnpkg.com/ini/-/ini-1.3.4.tgz#0537cb79daf59b59a1a517dff706c86ec039162e"
 
+inquirer@^3.0.6:
+  version "3.3.0"
+  resolved "https://registry.yarnpkg.com/inquirer/-/inquirer-3.3.0.tgz#9dd2f2ad765dcab1ff0443b491442a20ba227dc9"
+  dependencies:
+    ansi-escapes "^3.0.0"
+    chalk "^2.0.0"
+    cli-cursor "^2.1.0"
+    cli-width "^2.0.0"
+    external-editor "^2.0.4"
+    figures "^2.0.0"
+    lodash "^4.3.0"
+    mute-stream "0.0.7"
+    run-async "^2.2.0"
+    rx-lite "^4.0.8"
+    rx-lite-aggregates "^4.0.8"
+    string-width "^2.1.0"
+    strip-ansi "^4.0.0"
+    through "^2.3.6"
+
 invariant@^2.2.2:
   version "2.2.2"
   resolved "https://registry.yarnpkg.com/invariant/-/invariant-2.2.2.tgz#9e1f56ac0acdb6bf303306f338be3b204ae60360"
@@ -2084,6 +2295,10 @@ is-primitive@^2.0.0:
   version "2.0.0"
   resolved "https://registry.yarnpkg.com/is-primitive/-/is-primitive-2.0.0.tgz#207bab91638499c07b2adf240a41a87210034575"
 
+is-promise@^2.1.0:
+  version "2.1.0"
+  resolved "https://registry.yarnpkg.com/is-promise/-/is-promise-2.1.0.tgz#79a2a9ece7f096e80f36d2b2f3bc16c1ff4bf3fa"
+
 is-redirect@^1.0.0:
   version "1.0.0"
   resolved "https://registry.yarnpkg.com/is-redirect/-/is-redirect-1.0.0.tgz#1d03dded53bd8db0f30c26e4f95d36fc7c87dc24"
@@ -2098,6 +2313,12 @@ is-regexp@^1.0.0:
   version "1.0.0"
   resolved "https://registry.yarnpkg.com/is-regexp/-/is-regexp-1.0.0.tgz#fd2d883545c46bac5a633e7b9a09e87fa2cb5069"
 
+is-resolvable@^1.0.0:
+  version "1.0.0"
+  resolved "https://registry.yarnpkg.com/is-resolvable/-/is-resolvable-1.0.0.tgz#8df57c61ea2e3c501408d100fb013cf8d6e0cc62"
+  dependencies:
+    tryit "^1.0.1"
+
 is-retry-allowed@^1.0.0:
   version "1.1.0"
   resolved "https://registry.yarnpkg.com/is-retry-allowed/-/is-retry-allowed-1.1.0.tgz#11a060568b67339444033d0125a61a20d564fb34"
@@ -2126,7 +2347,7 @@ isarray@0.0.1:
   version "0.0.1"
   resolved "https://registry.yarnpkg.com/isarray/-/isarray-0.0.1.tgz#8a18acfca9a8f4177e09abfc6038939b05d1eedf"
 
-isarray@1.0.0, isarray@~1.0.0:
+isarray@1.0.0, isarray@^1.0.0, isarray@~1.0.0:
   version "1.0.0"
   resolved "https://registry.yarnpkg.com/isarray/-/isarray-1.0.0.tgz#bb935d48582cba168c06834957a54a3e07124f11"
 
@@ -2274,6 +2495,10 @@ jest-docblock@^20.0.3:
   version "20.0.3"
   resolved "https://registry.yarnpkg.com/jest-docblock/-/jest-docblock-20.0.3.tgz#17bea984342cc33d83c50fbe1545ea0efaa44712"
 
+jest-docblock@^21.0.0:
+  version "21.2.0"
+  resolved "https://registry.yarnpkg.com/jest-docblock/-/jest-docblock-21.2.0.tgz#51529c3b30d5fd159da60c27ceedc195faf8d414"
+
 jest-environment-jsdom@^20.0.3:
   version "20.0.3"
   resolved "https://registry.yarnpkg.com/jest-environment-jsdom/-/jest-environment-jsdom-20.0.3.tgz#048a8ac12ee225f7190417713834bb999787de99"
@@ -2433,10 +2658,21 @@ js-yaml@^3.4.3, js-yaml@^3.7.0:
     argparse "^1.0.7"
     esprima "^4.0.0"
 
+js-yaml@^3.9.1:
+  version "3.10.0"
+  resolved "https://registry.yarnpkg.com/js-yaml/-/js-yaml-3.10.0.tgz#2e78441646bd4682e963f22b6e92823c309c62dc"
+  dependencies:
+    argparse "^1.0.7"
+    esprima "^4.0.0"
+
 jsbn@~0.1.0:
   version "0.1.1"
   resolved "https://registry.yarnpkg.com/jsbn/-/jsbn-0.1.1.tgz#a5e654c2e5a2deb5f201d96cefbca80c0ef2f513"
 
+jschardet@^1.4.2:
+  version "1.6.0"
+  resolved "https://registry.yarnpkg.com/jschardet/-/jschardet-1.6.0.tgz#c7d1a71edcff2839db2f9ec30fc5d5ebd3c1a678"
+
 jsdom@^9.12.0:
   version "9.12.0"
   resolved "https://registry.yarnpkg.com/jsdom/-/jsdom-9.12.0.tgz#e8c546fffcb06c00d4833ca84410fed7f8a097d4"
@@ -2469,6 +2705,10 @@ jsesc@~0.5.0:
   version "0.5.0"
   resolved "https://registry.yarnpkg.com/jsesc/-/jsesc-0.5.0.tgz#e7dee66e35d6fc16f710fe91d5cf69f70f08911d"
 
+json-schema-traverse@^0.3.0:
+  version "0.3.1"
+  resolved "https://registry.yarnpkg.com/json-schema-traverse/-/json-schema-traverse-0.3.1.tgz#349a6d44c53a51de89b40805c5d5e59b417d3340"
+
 json-schema@0.2.3:
   version "0.2.3"
   resolved "https://registry.yarnpkg.com/json-schema/-/json-schema-0.2.3.tgz#b480c892e59a2f05954ce727bd3f2a4e882f9e13"
@@ -2562,7 +2802,7 @@ leven@^2.1.0:
   version "2.1.0"
   resolved "https://registry.yarnpkg.com/leven/-/leven-2.1.0.tgz#c2e7a9f772094dee9d34202ae8acce4687875580"
 
-levn@~0.3.0:
+levn@^0.3.0, levn@~0.3.0:
   version "0.3.0"
   resolved "https://registry.yarnpkg.com/levn/-/levn-0.3.0.tgz#3b09924edf9f083c0490fdd4c0bc4421e04764ee"
   dependencies:
@@ -2652,7 +2892,7 @@ lodash.restparam@^3.0.0:
   version "3.6.1"
   resolved "https://registry.yarnpkg.com/lodash.restparam/-/lodash.restparam-3.6.1.tgz#936a4e309ef330a7645ed4145986c85ae5b20805"
 
-lodash@^4.0.0, lodash@^4.1.0, lodash@^4.14.0, lodash@^4.17.4:
+lodash@^4.0.0, lodash@^4.1.0, lodash@^4.14.0, lodash@^4.17.4, lodash@^4.3.0:
   version "4.17.4"
   resolved "https://registry.yarnpkg.com/lodash/-/lodash-4.17.4.tgz#78203a4d1c328ae1d86dca6460e369b57f4055ae"
 
@@ -2767,6 +3007,10 @@ mime-types@^2.1.12, mime-types@~2.1.7:
   dependencies:
     mime-db "~1.30.0"
 
+mimic-fn@^1.0.0:
+  version "1.1.0"
+  resolved "https://registry.yarnpkg.com/mimic-fn/-/mimic-fn-1.1.0.tgz#e667783d92e89dbd342818b5230b9d62a672ad18"
+
 minimatch@^3.0.0, minimatch@^3.0.2, minimatch@^3.0.3, minimatch@^3.0.4:
   version "3.0.4"
   resolved "https://registry.yarnpkg.com/minimatch/-/minimatch-3.0.4.tgz#5166e286457f03306064be5497e8dbb0c3d32083"
@@ -2804,6 +3048,10 @@ multimatch@^2.0.0:
     arrify "^1.0.0"
     minimatch "^3.0.0"
 
+mute-stream@0.0.7:
+  version "0.0.7"
+  resolved "https://registry.yarnpkg.com/mute-stream/-/mute-stream-0.0.7.tgz#3075ce93bc21b8fab43e1bc4da7e8115ed1e7bab"
+
 nan@^2.3.0:
   version "2.7.0"
   resolved "https://registry.yarnpkg.com/nan/-/nan-2.7.0.tgz#d95bf721ec877e08db276ed3fc6eb78f9083ad46"
@@ -2951,6 +3199,12 @@ onecolor@^3.0.4:
   version "3.0.4"
   resolved "https://registry.yarnpkg.com/onecolor/-/onecolor-3.0.4.tgz#75a46f80da6c7aaa5b4daae17a47198bd9652494"
 
+onetime@^2.0.0:
+  version "2.0.1"
+  resolved "https://registry.yarnpkg.com/onetime/-/onetime-2.0.1.tgz#067428230fd67443b2794b22bba528b6867962d4"
+  dependencies:
+    mimic-fn "^1.0.0"
+
 optimist@^0.6.1:
   version "0.6.1"
   resolved "https://registry.yarnpkg.com/optimist/-/optimist-0.6.1.tgz#da3ea74686fa21a19a111c326e90eb15a0196686"
@@ -2958,7 +3212,7 @@ optimist@^0.6.1:
     minimist "~0.0.1"
     wordwrap "~0.0.2"
 
-optionator@^0.8.1:
+optionator@^0.8.1, optionator@^0.8.2:
   version "0.8.2"
   resolved "https://registry.yarnpkg.com/optionator/-/optionator-0.8.2.tgz#364c5e409d3f4d6301d6c0b4c05bba50180aeb64"
   dependencies:
@@ -2979,7 +3233,7 @@ os-locale@^1.4.0:
   dependencies:
     lcid "^1.0.0"
 
-os-tmpdir@^1.0.0, os-tmpdir@^1.0.1:
+os-tmpdir@^1.0.0, os-tmpdir@^1.0.1, os-tmpdir@~1.0.2:
   version "1.0.2"
   resolved "https://registry.yarnpkg.com/os-tmpdir/-/os-tmpdir-1.0.2.tgz#bbe67406c79aa85c5cfec766fe5734555dfa1274"
 
@@ -3058,7 +3312,7 @@ path-is-absolute@^1.0.0, path-is-absolute@^1.0.1:
   version "1.0.1"
   resolved "https://registry.yarnpkg.com/path-is-absolute/-/path-is-absolute-1.0.1.tgz#174b9268735534ffbc7ace6bf53a5a9e1b5c5f5f"
 
-path-is-inside@^1.0.1:
+path-is-inside@^1.0.1, path-is-inside@^1.0.2:
   version "1.0.2"
   resolved "https://registry.yarnpkg.com/path-is-inside/-/path-is-inside-1.0.2.tgz#365417dede44430d1c11af61027facf074bdfc53"
 
@@ -3115,6 +3369,10 @@ plur@^2.0.0, plur@^2.1.2:
   dependencies:
     irregular-plurals "^1.0.0"
 
+pluralize@^7.0.0:
+  version "7.0.0"
+  resolved "https://registry.yarnpkg.com/pluralize/-/pluralize-7.0.0.tgz#298b89df8b93b0221dbf421ad2b1b1ea23fc6777"
+
 postcss-functions@^3.0.0:
   version "3.0.0"
   resolved "https://registry.yarnpkg.com/postcss-functions/-/postcss-functions-3.0.0.tgz#0e94d01444700a481de20de4d55fb2640564250e"
@@ -3224,6 +3482,10 @@ preserve@^0.2.0:
   version "0.2.0"
   resolved "https://registry.yarnpkg.com/preserve/-/preserve-0.2.0.tgz#815ed1f6ebc65926f865b310c0713bcb3315ce4b"
 
+prettier@^1.7.4:
+  version "1.7.4"
+  resolved "https://registry.yarnpkg.com/prettier/-/prettier-1.7.4.tgz#5e8624ae9363c80f95ec644584ecdf55d74f93fa"
+
 pretty-format@^20.0.3:
   version "20.0.3"
   resolved "https://registry.yarnpkg.com/pretty-format/-/pretty-format-20.0.3.tgz#020e350a560a1fe1a98dc3beb6ccffb386de8b14"
@@ -3239,6 +3501,10 @@ process-nextick-args@~1.0.6:
   version "1.0.7"
   resolved "https://registry.yarnpkg.com/process-nextick-args/-/process-nextick-args-1.0.7.tgz#150e20b756590ad3f91093f25a4f2ad8bff30ba3"
 
+progress@^2.0.0:
+  version "2.0.0"
+  resolved "https://registry.yarnpkg.com/progress/-/progress-2.0.0.tgz#8a1be366bf8fc23db2bd23f10c6fe920b4389d1f"
+
 prr@~0.0.0:
   version "0.0.0"
   resolved "https://registry.yarnpkg.com/prr/-/prr-0.0.0.tgz#1a84b85908325501411853d0081ee3fa86e2926a"
@@ -3316,7 +3582,7 @@ readable-stream@^1.0.33, readable-stream@~1.1.9:
     isarray "0.0.1"
     string_decoder "~0.10.x"
 
-readable-stream@^2.0.2, readable-stream@^2.0.6, readable-stream@^2.1.4:
+readable-stream@^2.0.2, readable-stream@^2.0.6, readable-stream@^2.1.4, readable-stream@^2.2.2:
   version "2.3.3"
   resolved "https://registry.yarnpkg.com/readable-stream/-/readable-stream-2.3.3.tgz#368f2512d79f9d46fdfc71349ae7878bbc1eb95c"
   dependencies:
@@ -3458,6 +3724,17 @@ require-main-filename@^1.0.1:
   version "1.0.1"
   resolved "https://registry.yarnpkg.com/require-main-filename/-/require-main-filename-1.0.1.tgz#97f717b69d48784f5f526a6c5aa8ffdda055a4d1"
 
+require-uncached@^1.0.3:
+  version "1.0.3"
+  resolved "https://registry.yarnpkg.com/require-uncached/-/require-uncached-1.0.3.tgz#4e0d56d6c9662fd31e43011c4b95aa49955421d3"
+  dependencies:
+    caller-path "^0.1.0"
+    resolve-from "^1.0.0"
+
+resolve-from@^1.0.0:
+  version "1.0.1"
+  resolved "https://registry.yarnpkg.com/resolve-from/-/resolve-from-1.0.1.tgz#26cbfe935d1aeeeabb29bc3fe5aeb01e93d44226"
+
 resolve-from@^3.0.0:
   version "3.0.0"
   resolved "https://registry.yarnpkg.com/resolve-from/-/resolve-from-3.0.0.tgz#b22c7af7d9d6881bc8b6e653335eebcb0a188748"
@@ -3472,6 +3749,13 @@ resolve@^1.3.2, resolve@~1.4.0:
   dependencies:
     path-parse "^1.0.5"
 
+restore-cursor@^2.0.0:
+  version "2.0.0"
+  resolved "https://registry.yarnpkg.com/restore-cursor/-/restore-cursor-2.0.0.tgz#9f7ee287f82fd326d4fd162923d62129eee0dfaf"
+  dependencies:
+    onetime "^2.0.0"
+    signal-exit "^3.0.2"
+
 resumer@~0.0.0:
   version "0.0.0"
   resolved "https://registry.yarnpkg.com/resumer/-/resumer-0.0.0.tgz#f1e8f461e4064ba39e82af3cdc2a8c893d076759"
@@ -3490,6 +3774,22 @@ rimraf@2, rimraf@^2.2.8, rimraf@^2.5.1, rimraf@^2.6.1:
   dependencies:
     glob "^7.0.5"
 
+run-async@^2.2.0:
+  version "2.3.0"
+  resolved "https://registry.yarnpkg.com/run-async/-/run-async-2.3.0.tgz#0371ab4ae0bdd720d4166d7dfda64ff7a445a6c0"
+  dependencies:
+    is-promise "^2.1.0"
+
+rx-lite-aggregates@^4.0.8:
+  version "4.0.8"
+  resolved "https://registry.yarnpkg.com/rx-lite-aggregates/-/rx-lite-aggregates-4.0.8.tgz#753b87a89a11c95467c4ac1626c4efc4e05c67be"
+  dependencies:
+    rx-lite "*"
+
+rx-lite@*, rx-lite@^4.0.8:
+  version "4.0.8"
+  resolved "https://registry.yarnpkg.com/rx-lite/-/rx-lite-4.0.8.tgz#0b1e11af8bc44836f04a6407e92da42467b79444"
+
 safe-buffer@^5.0.1, safe-buffer@~5.1.0, safe-buffer@~5.1.1:
   version "5.1.1"
   resolved "https://registry.yarnpkg.com/safe-buffer/-/safe-buffer-5.1.1.tgz#893312af69b2123def71f57889001671eeb2c853"
@@ -3663,7 +3963,7 @@ string-width@^1.0.1, string-width@^1.0.2:
     is-fullwidth-code-point "^1.0.0"
     strip-ansi "^3.0.0"
 
-string-width@^2.0.0:
+string-width@^2.0.0, string-width@^2.1.0:
   version "2.1.1"
   resolved "https://registry.yarnpkg.com/string-width/-/string-width-2.1.1.tgz#ab93f27a8dc13d28cac815c462143a6d9012ae9e"
   dependencies:
@@ -3920,7 +4220,7 @@ test-exclude@^4.1.1:
     read-pkg-up "^1.0.1"
     require-main-filename "^1.0.1"
 
-text-table@^0.2.0:
+text-table@^0.2.0, text-table@~0.2.0:
   version "0.2.0"
   resolved "https://registry.yarnpkg.com/text-table/-/text-table-0.2.0.tgz#7f5ee823ae805207c00af2df4a84ec3fcfa570b4"
 
@@ -3935,7 +4235,7 @@ through2@^0.6.1, through2@^0.6.3, through2@~0.6.1:
     readable-stream ">=1.0.33-1 <1.1.0-0"
     xtend ">=4.0.0 <4.1.0-0"
 
-through@2, "through@>=2.2.7 <3", through@~2.3, through@~2.3.1, through@~2.3.4, through@~2.3.8:
+through@2, "through@>=2.2.7 <3", through@^2.3.6, through@~2.3, through@~2.3.1, through@~2.3.4, through@~2.3.8:
   version "2.3.8"
   resolved "https://registry.yarnpkg.com/through/-/through-2.3.8.tgz#0dd4c9ffaabc357960b1b724115d7e0e86a2e1f5"
 
@@ -3943,6 +4243,12 @@ timed-out@^4.0.0:
   version "4.0.1"
   resolved "https://registry.yarnpkg.com/timed-out/-/timed-out-4.0.1.tgz#f32eacac5a175bea25d7fab565ab3ed8741ef56f"
 
+tmp@^0.0.33:
+  version "0.0.33"
+  resolved "https://registry.yarnpkg.com/tmp/-/tmp-0.0.33.tgz#6d34335889768d21b2bcda0aa277ced3b1bfadf9"
+  dependencies:
+    os-tmpdir "~1.0.2"
+
 tmpl@1.0.x:
   version "1.0.4"
   resolved "https://registry.yarnpkg.com/tmpl/-/tmpl-1.0.4.tgz#23640dd7b42d00433911140820e5cf440e521dd1"
@@ -3975,6 +4281,10 @@ trim-right@^1.0.1:
   version "1.0.1"
   resolved "https://registry.yarnpkg.com/trim-right/-/trim-right-1.0.1.tgz#cb2e1203067e0c8de1f614094b9fe45704ea6003"
 
+tryit@^1.0.1:
+  version "1.0.3"
+  resolved "https://registry.yarnpkg.com/tryit/-/tryit-1.0.3.tgz#393be730a9446fd1ead6da59a014308f36c289cb"
+
 tunnel-agent@^0.6.0:
   version "0.6.0"
   resolved "https://registry.yarnpkg.com/tunnel-agent/-/tunnel-agent-0.6.0.tgz#27a5dea06b36b04a0a9966774b290868f0fc40fd"
@@ -3991,6 +4301,10 @@ type-check@~0.3.2:
   dependencies:
     prelude-ls "~1.1.2"
 
+typedarray@^0.0.6:
+  version "0.0.6"
+  resolved "https://registry.yarnpkg.com/typedarray/-/typedarray-0.0.6.tgz#867ac74e3864187b1d3d47d996a78ec5c8830777"
+
 uglify-js@^2.6:
   version "2.8.29"
   resolved "https://registry.yarnpkg.com/uglify-js/-/uglify-js-2.8.29.tgz#29c5733148057bb4e1f75df35b7a9cb72e6a59dd"