my-idlers/node_modules/autoprefixer/data/prefixes.js

let unpack = require('caniuse-lite').feature

function browsersSort (a, b) {
  a = a.split(' ')
  b = b.split(' ')
  if (a[0] > b[0]) {
    return 1
  } else if (a[0] < b[0]) {
    return -1
  } else {
    return Math.sign(parseFloat(a[1]) - parseFloat(b[1]))
  }
}

// Convert Can I Use data
function f (data, opts, callback) {
  data = unpack(data)

  if (!callback) {
    ;[callback, opts] = [opts, {}]
  }

  let match = opts.match || /\sx($|\s)/
  let need = []

  for (let browser in data.stats) {
    let versions = data.stats[browser]
    for (let version in versions) {
      let support = versions[version]
      if (support.match(match)) {
        need.push(browser + ' ' + version)
      }
    }
  }

  callback(need.sort(browsersSort))
}

// Add data for all properties
let result = {}

function prefix (names, data) {
  for (let name of names) {
    result[name] = Object.assign({}, data)
  }
}

function add (names, data) {
  for (let name of names) {
    result[name].browsers = result[name].browsers
      .concat(data.browsers)
      .sort(browsersSort)
  }
}

module.exports = result

// Border Radius
f(require('caniuse-lite/data/features/border-radius'), browsers =>
  prefix(
    [
      'border-radius',
      'border-top-left-radius',
      'border-top-right-radius',
      'border-bottom-right-radius',
      'border-bottom-left-radius'
    ],
    {
      mistakes: ['-khtml-', '-ms-', '-o-'],
      feature: 'border-radius',
      browsers
    }
  )
)

// Box Shadow
f(require('caniuse-lite/data/features/css-boxshadow'), browsers =>
  prefix(['box-shadow'], {
    mistakes: ['-khtml-'],
    feature: 'css-boxshadow',
    browsers
  })
)

// Animation
f(require('caniuse-lite/data/features/css-animation'), browsers =>
  prefix(
    [
      'animation',
      'animation-name',
      'animation-duration',
      'animation-delay',
      'animation-direction',
      'animation-fill-mode',
      'animation-iteration-count',
      'animation-play-state',
      'animation-timing-function',
      '@keyframes'
    ],
    {
      mistakes: ['-khtml-', '-ms-'],
      feature: 'css-animation',
      browsers
    }
  )
)

// Transition
f(require('caniuse-lite/data/features/css-transitions'), browsers =>
  prefix(
    [
      'transition',
      'transition-property',
      'transition-duration',
      'transition-delay',
      'transition-timing-function'
    ],
    {
      mistakes: ['-khtml-', '-ms-'],
      browsers,
      feature: 'css-transitions'
    }
  )
)

// Transform 2D
f(require('caniuse-lite/data/features/transforms2d'), browsers =>
  prefix(['transform', 'transform-origin'], {
    feature: 'transforms2d',
    browsers
  })
)

// Transform 3D
let transforms3d = require('caniuse-lite/data/features/transforms3d')

f(transforms3d, browsers => {
  prefix(['perspective', 'perspective-origin'], {
    feature: 'transforms3d',
    browsers
  })
  return prefix(['transform-style'], {
    mistakes: ['-ms-', '-o-'],
    browsers,
    feature: 'transforms3d'
  })
})

f(transforms3d, { match: /y\sx|y\s#2/ }, browsers =>
  prefix(['backface-visibility'], {
    mistakes: ['-ms-', '-o-'],
    feature: 'transforms3d',
    browsers
  })
)

// Gradients
let gradients = require('caniuse-lite/data/features/css-gradients')

f(gradients, { match: /y\sx/ }, browsers =>
  prefix(
    [
      'linear-gradient',
      'repeating-linear-gradient',
      'radial-gradient',
      'repeating-radial-gradient'
    ],
    {
      props: [
        'background',
        'background-image',
        'border-image',
        'mask',
        'list-style',
        'list-style-image',
        'content',
        'mask-image'
      ],
      mistakes: ['-ms-'],
      feature: 'css-gradients',
      browsers
    }
  )
)

f(gradients, { match: /a\sx/ }, browsers => {
  browsers = browsers.map(i => {
    if (/firefox|op/.test(i)) {
      return i
    } else {
      return `${i} old`
    }
  })
  return add(
    [
      'linear-gradient',
      'repeating-linear-gradient',
      'radial-gradient',
      'repeating-radial-gradient'
    ],
    {
      feature: 'css-gradients',
      browsers
    }
  )
})

// Box sizing
f(require('caniuse-lite/data/features/css3-boxsizing'), browsers =>
  prefix(['box-sizing'], {
    feature: 'css3-boxsizing',
    browsers
  })
)

// Filter Effects
f(require('caniuse-lite/data/features/css-filters'), browsers =>
  prefix(['filter'], {
    feature: 'css-filters',
    browsers
  })
)

// filter() function
f(require('caniuse-lite/data/features/css-filter-function'), browsers =>
  prefix(['filter-function'], {
    props: [
      'background',
      'background-image',
      'border-image',
      'mask',
      'list-style',
      'list-style-image',
      'content',
      'mask-image'
    ],
    feature: 'css-filter-function',
    browsers
  })
)

// Backdrop-filter
let backdrop = require('caniuse-lite/data/features/css-backdrop-filter')
f(backdrop, { match: /y\sx|y\s#2/ }, browsers =>
  prefix(['backdrop-filter'], {
    feature: 'css-backdrop-filter',
    browsers
  })
)

// element() function
f(require('caniuse-lite/data/features/css-element-function'), browsers =>
  prefix(['element'], {
    props: [
      'background',
      'background-image',
      'border-image',
      'mask',
      'list-style',
      'list-style-image',
      'content',
      'mask-image'
    ],
    feature: 'css-element-function',
    browsers
  })
)

// Multicolumns
f(require('caniuse-lite/data/features/multicolumn'), browsers => {
  prefix(
    [
      'columns',
      'column-width',
      'column-gap',
      'column-rule',
      'column-rule-color',
      'column-rule-width',
      'column-count',
      'column-rule-style',
      'column-span',
      'column-fill'
    ],
    {
      feature: 'multicolumn',
      browsers
    }
  )

  let noff = browsers.filter(i => !/firefox/.test(i))
  prefix(['break-before', 'break-after', 'break-inside'], {
    feature: 'multicolumn',
    browsers: noff
  })
})

// User select
f(require('caniuse-lite/data/features/user-select-none'), browsers =>
  prefix(['user-select'], {
    mistakes: ['-khtml-'],
    feature: 'user-select-none',
    browsers
  })
)

// Flexible Box Layout
let flexbox = require('caniuse-lite/data/features/flexbox')
f(flexbox, { match: /a\sx/ }, browsers => {
  browsers = browsers.map(i => {
    if (/ie|firefox/.test(i)) {
      return i
    } else {
      return `${i} 2009`
    }
  })
  prefix(['display-flex', 'inline-flex'], {
    props: ['display'],
    feature: 'flexbox',
    browsers
  })
  prefix(['flex', 'flex-grow', 'flex-shrink', 'flex-basis'], {
    feature: 'flexbox',
    browsers
  })
  prefix(
    [
      'flex-direction',
      'flex-wrap',
      'flex-flow',
      'justify-content',
      'order',
      'align-items',
      'align-self',
      'align-content'
    ],
    {
      feature: 'flexbox',
      browsers
    }
  )
})

f(flexbox, { match: /y\sx/ }, browsers => {
  add(['display-flex', 'inline-flex'], {
    feature: 'flexbox',
    browsers
  })
  add(['flex', 'flex-grow', 'flex-shrink', 'flex-basis'], {
    feature: 'flexbox',
    browsers
  })
  add(
    [
      'flex-direction',
      'flex-wrap',
      'flex-flow',
      'justify-content',
      'order',
      'align-items',
      'align-self',
      'align-content'
    ],
    {
      feature: 'flexbox',
      browsers
    }
  )
})

// calc() unit
f(require('caniuse-lite/data/features/calc'), browsers =>
  prefix(['calc'], {
    props: ['*'],
    feature: 'calc',
    browsers
  })
)

// Background options
f(require('caniuse-lite/data/features/background-img-opts'), browsers =>
  prefix(['background-origin', 'background-size'], {
    feature: 'background-img-opts',
    browsers
  })
)

// background-clip: text
f(require('caniuse-lite/data/features/background-clip-text'), browsers =>
  prefix(['background-clip'], {
    feature: 'background-clip-text',
    browsers
  })
)

// Font feature settings
f(require('caniuse-lite/data/features/font-feature'), browsers =>
  prefix(
    [
      'font-feature-settings',
      'font-variant-ligatures',
      'font-language-override'
    ],
    {
      feature: 'font-feature',
      browsers
    }
  )
)

// CSS font-kerning property
f(require('caniuse-lite/data/features/font-kerning'), browsers =>
  prefix(['font-kerning'], {
    feature: 'font-kerning',
    browsers
  })
)

// Border image
f(require('caniuse-lite/data/features/border-image'), browsers =>
  prefix(['border-image'], {
    feature: 'border-image',
    browsers
  })
)

// Selection selector
f(require('caniuse-lite/data/features/css-selection'), browsers =>
  prefix(['::selection'], {
    selector: true,
    feature: 'css-selection',
    browsers
  })
)

// Placeholder selector
f(require('caniuse-lite/data/features/css-placeholder'), browsers => {
  prefix(['::placeholder'], {
    selector: true,
    feature: 'css-placeholder',
    browsers: browsers.concat(['ie 10 old', 'ie 11 old', 'firefox 18 old'])
  })
})

// Placeholder-shown selector
f(require('caniuse-lite/data/features/css-placeholder-shown'), browsers => {
  prefix([':placeholder-shown'], {
    selector: true,
    feature: 'css-placeholder-shown',
    browsers
  })
})

// Hyphenation
f(require('caniuse-lite/data/features/css-hyphens'), browsers =>
  prefix(['hyphens'], {
    feature: 'css-hyphens',
    browsers
  })
)

// Fullscreen selector
let fullscreen = require('caniuse-lite/data/features/fullscreen')

f(fullscreen, browsers =>
  prefix([':fullscreen'], {
    selector: true,
    feature: 'fullscreen',
    browsers
  })
)

f(fullscreen, { match: /x(\s#2|$)/ }, browsers =>
  prefix(['::backdrop'], {
    selector: true,
    feature: 'fullscreen',
    browsers
  })
)

// Tab size
f(require('caniuse-lite/data/features/css3-tabsize'), browsers =>
  prefix(['tab-size'], {
    feature: 'css3-tabsize',
    browsers
  })
)

// Intrinsic & extrinsic sizing
let intrinsic = require('caniuse-lite/data/features/intrinsic-width')

let sizeProps = [
  'width',
  'min-width',
  'max-width',
  'height',
  'min-height',
  'max-height',
  'inline-size',
  'min-inline-size',
  'max-inline-size',
  'block-size',
  'min-block-size',
  'max-block-size',
  'grid',
  'grid-template',
  'grid-template-rows',
  'grid-template-columns',
  'grid-auto-columns',
  'grid-auto-rows'
]

f(intrinsic, browsers =>
  prefix(['max-content', 'min-content'], {
    props: sizeProps,
    feature: 'intrinsic-width',
    browsers
  })
)

f(intrinsic, { match: /x|\s#4/ }, browsers =>
  prefix(['fill', 'fill-available', 'stretch'], {
    props: sizeProps,
    feature: 'intrinsic-width',
    browsers
  })
)

f(intrinsic, { match: /x|\s#5/ }, browsers =>
  prefix(['fit-content'], {
    props: sizeProps,
    feature: 'intrinsic-width',
    browsers
  })
)

// Zoom cursors
f(require('caniuse-lite/data/features/css3-cursors-newer'), browsers =>
  prefix(['zoom-in', 'zoom-out'], {
    props: ['cursor'],
    feature: 'css3-cursors-newer',
    browsers
  })
)

// Grab cursors
f(require('caniuse-lite/data/features/css3-cursors-grab'), browsers =>
  prefix(['grab', 'grabbing'], {
    props: ['cursor'],
    feature: 'css3-cursors-grab',
    browsers
  })
)

// Sticky position
f(require('caniuse-lite/data/features/css-sticky'), browsers =>
  prefix(['sticky'], {
    props: ['position'],
    feature: 'css-sticky',
    browsers
  })
)

// Pointer Events
f(require('caniuse-lite/data/features/pointer'), browsers =>
  prefix(['touch-action'], {
    feature: 'pointer',
    browsers
  })
)

// Text decoration
let decoration = require('caniuse-lite/data/features/text-decoration')

f(decoration, browsers =>
  prefix(
    [
      'text-decoration-style',
      'text-decoration-color',
      'text-decoration-line',
      'text-decoration'
    ],
    {
      feature: 'text-decoration',
      browsers
    }
  )
)

f(decoration, { match: /x.*#[235]/ }, browsers =>
  prefix(['text-decoration-skip', 'text-decoration-skip-ink'], {
    feature: 'text-decoration',
    browsers
  })
)

// Text Size Adjust
f(require('caniuse-lite/data/features/text-size-adjust'), browsers =>
  prefix(['text-size-adjust'], {
    feature: 'text-size-adjust',
    browsers
  })
)

// CSS Masks
f(require('caniuse-lite/data/features/css-masks'), browsers => {
  prefix(
    [
      'mask-clip',
      'mask-composite',
      'mask-image',
      'mask-origin',
      'mask-repeat',
      'mask-border-repeat',
      'mask-border-source'
    ],
    {
      feature: 'css-masks',
      browsers
    }
  )
  prefix(
    [
      'mask',
      'mask-position',
      'mask-size',
      'mask-border',
      'mask-border-outset',
      'mask-border-width',
      'mask-border-slice'
    ],
    {
      feature: 'css-masks',
      browsers
    }
  )
})

// CSS clip-path property
f(require('caniuse-lite/data/features/css-clip-path'), browsers =>
  prefix(['clip-path'], {
    feature: 'css-clip-path',
    browsers
  })
)

// Fragmented Borders and Backgrounds
f(require('caniuse-lite/data/features/css-boxdecorationbreak'), browsers =>
  prefix(['box-decoration-break'], {
    feature: 'css-boxdecorationbreak',
    browsers
  })
)

// CSS3 object-fit/object-position
f(require('caniuse-lite/data/features/object-fit'), browsers =>
  prefix(['object-fit', 'object-position'], {
    feature: 'object-fit',
    browsers
  })
)

// CSS Shapes
f(require('caniuse-lite/data/features/css-shapes'), browsers =>
  prefix(['shape-margin', 'shape-outside', 'shape-image-threshold'], {
    feature: 'css-shapes',
    browsers
  })
)

// CSS3 text-overflow
f(require('caniuse-lite/data/features/text-overflow'), browsers =>
  prefix(['text-overflow'], {
    feature: 'text-overflow',
    browsers
  })
)

// Viewport at-rule
f(require('caniuse-lite/data/features/css-deviceadaptation'), browsers =>
  prefix(['@viewport'], {
    feature: 'css-deviceadaptation',
    browsers
  })
)

// Resolution Media Queries
let resolut = require('caniuse-lite/data/features/css-media-resolution')
f(resolut, { match: /( x($| )|a #2)/ }, browsers =>
  prefix(['@resolution'], {
    feature: 'css-media-resolution',
    browsers
  })
)

// CSS text-align-last
f(require('caniuse-lite/data/features/css-text-align-last'), browsers =>
  prefix(['text-align-last'], {
    feature: 'css-text-align-last',
    browsers
  })
)

// Crisp Edges Image Rendering Algorithm
let crispedges = require('caniuse-lite/data/features/css-crisp-edges')

f(crispedges, { match: /y x|a x #1/ }, browsers =>
  prefix(['pixelated'], {
    props: ['image-rendering'],
    feature: 'css-crisp-edges',
    browsers
  })
)

f(crispedges, { match: /a x #2/ }, browsers =>
  prefix(['image-rendering'], {
    feature: 'css-crisp-edges',
    browsers
  })
)

// Logical Properties
let logicalProps = require('caniuse-lite/data/features/css-logical-props')

f(logicalProps, browsers =>
  prefix(
    [
      'border-inline-start',
      'border-inline-end',
      'margin-inline-start',
      'margin-inline-end',
      'padding-inline-start',
      'padding-inline-end'
    ],
    {
      feature: 'css-logical-props',
      browsers
    }
  )
)

f(logicalProps, { match: /x\s#2/ }, browsers =>
  prefix(
    [
      'border-block-start',
      'border-block-end',
      'margin-block-start',
      'margin-block-end',
      'padding-block-start',
      'padding-block-end'
    ],
    {
      feature: 'css-logical-props',
      browsers
    }
  )
)

// CSS appearance
let appearance = require('caniuse-lite/data/features/css-appearance')
f(appearance, { match: /#2|x/ }, browsers =>
  prefix(['appearance'], {
    feature: 'css-appearance',
    browsers
  })
)

// CSS Scroll snap points
f(require('caniuse-lite/data/features/css-snappoints'), browsers =>
  prefix(
    [
      'scroll-snap-type',
      'scroll-snap-coordinate',
      'scroll-snap-destination',
      'scroll-snap-points-x',
      'scroll-snap-points-y'
    ],
    {
      feature: 'css-snappoints',
      browsers
    }
  )
)

// CSS Regions
f(require('caniuse-lite/data/features/css-regions'), browsers =>
  prefix(['flow-into', 'flow-from', 'region-fragment'], {
    feature: 'css-regions',
    browsers
  })
)

// CSS image-set
f(require('caniuse-lite/data/features/css-image-set'), browsers =>
  prefix(['image-set'], {
    props: [
      'background',
      'background-image',
      'border-image',
      'cursor',
      'mask',
      'mask-image',
      'list-style',
      'list-style-image',
      'content'
    ],
    feature: 'css-image-set',
    browsers
  })
)

// Writing Mode
let writingMode = require('caniuse-lite/data/features/css-writing-mode')
f(writingMode, { match: /a|x/ }, browsers =>
  prefix(['writing-mode'], {
    feature: 'css-writing-mode',
    browsers
  })
)

// Cross-Fade Function
f(require('caniuse-lite/data/features/css-cross-fade'), browsers =>
  prefix(['cross-fade'], {
    props: [
      'background',
      'background-image',
      'border-image',
      'mask',
      'list-style',
      'list-style-image',
      'content',
      'mask-image'
    ],
    feature: 'css-cross-fade',
    browsers
  })
)

// Read Only selector
f(require('caniuse-lite/data/features/css-read-only-write'), browsers =>
  prefix([':read-only', ':read-write'], {
    selector: true,
    feature: 'css-read-only-write',
    browsers
  })
)

// Text Emphasize
f(require('caniuse-lite/data/features/text-emphasis'), browsers =>
  prefix(
    [
      'text-emphasis',
      'text-emphasis-position',
      'text-emphasis-style',
      'text-emphasis-color'
    ],
    {
      feature: 'text-emphasis',
      browsers
    }
  )
)

// CSS Grid Layout
let grid = require('caniuse-lite/data/features/css-grid')

f(grid, browsers => {
  prefix(['display-grid', 'inline-grid'], {
    props: ['display'],
    feature: 'css-grid',
    browsers
  })
  prefix(
    [
      'grid-template-columns',
      'grid-template-rows',
      'grid-row-start',
      'grid-column-start',
      'grid-row-end',
      'grid-column-end',
      'grid-row',
      'grid-column',
      'grid-area',
      'grid-template',
      'grid-template-areas',
      'place-self'
    ],
    {
      feature: 'css-grid',
      browsers
    }
  )
})

f(grid, { match: /a x/ }, browsers =>
  prefix(['grid-column-align', 'grid-row-align'], {
    feature: 'css-grid',
    browsers
  })
)

// CSS text-spacing
f(require('caniuse-lite/data/features/css-text-spacing'), browsers =>
  prefix(['text-spacing'], {
    feature: 'css-text-spacing',
    browsers
  })
)

// :any-link selector
f(require('caniuse-lite/data/features/css-any-link'), browsers =>
  prefix([':any-link'], {
    selector: true,
    feature: 'css-any-link',
    browsers
  })
)

// unicode-bidi
let bidi = require('caniuse-lite/data/features/css-unicode-bidi')

f(bidi, browsers =>
  prefix(['isolate'], {
    props: ['unicode-bidi'],
    feature: 'css-unicode-bidi',
    browsers
  })
)

f(bidi, { match: /y x|a x #2/ }, browsers =>
  prefix(['plaintext'], {
    props: ['unicode-bidi'],
    feature: 'css-unicode-bidi',
    browsers
  })
)

f(bidi, { match: /y x/ }, browsers =>
  prefix(['isolate-override'], {
    props: ['unicode-bidi'],
    feature: 'css-unicode-bidi',
    browsers
  })
)

// overscroll-behavior selector
let over = require('caniuse-lite/data/features/css-overscroll-behavior')
f(over, { match: /a #1/ }, browsers =>
  prefix(['overscroll-behavior'], {
    feature: 'css-overscroll-behavior',
    browsers
  })
)

// color-adjust
f(require('caniuse-lite/data/features/css-color-adjust'), browsers =>
  prefix(['color-adjust'], {
    feature: 'css-color-adjust',
    browsers
  })
)

// text-orientation
f(require('caniuse-lite/data/features/css-text-orientation'), browsers =>
  prefix(['text-orientation'], {
    feature: 'css-text-orientation',
    browsers
  })
)