1323 lines
		
	
	
		
			37 KiB
		
	
	
	
		
			JavaScript
		
	
	
	
	
	
			
		
		
	
	
			1323 lines
		
	
	
		
			37 KiB
		
	
	
	
		
			JavaScript
		
	
	
	
	
	
var bbm = require('baseline-browser-mapping')
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var jsReleases = require('node-releases/data/processed/envs.json')
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var agents = require('caniuse-lite/dist/unpacker/agents').agents
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var e2c = require('electron-to-chromium/versions')
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var jsEOL = require('node-releases/data/release-schedule/release-schedule.json')
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var path = require('path')
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var BrowserslistError = require('./error')
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var env = require('./node')
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var parseWithoutCache = require('./parse') // Will load browser.js in webpack
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var YEAR = 365.259641 * 24 * 60 * 60 * 1000
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var ANDROID_EVERGREEN_FIRST = '37'
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var OP_MOB_BLINK_FIRST = 14
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// Helpers
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function isVersionsMatch(versionA, versionB) {
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  return (versionA + '.').indexOf(versionB + '.') === 0
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}
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function isEolReleased(name) {
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  var version = name.slice(1)
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  return browserslist.nodeVersions.some(function (i) {
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    return isVersionsMatch(i, version)
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  })
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}
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function normalize(versions) {
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  return versions.filter(function (version) {
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    return typeof version === 'string'
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  })
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}
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function normalizeElectron(version) {
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  var versionToUse = version
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  if (version.split('.').length === 3) {
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    versionToUse = version.split('.').slice(0, -1).join('.')
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  }
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  return versionToUse
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}
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function nameMapper(name) {
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  return function mapName(version) {
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    return name + ' ' + version
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  }
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}
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function getMajor(version) {
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  return parseInt(version.split('.')[0])
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}
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function getMajorVersions(released, number) {
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  if (released.length === 0) return []
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  var majorVersions = uniq(released.map(getMajor))
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  var minimum = majorVersions[majorVersions.length - number]
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  if (!minimum) {
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    return released
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  }
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  var selected = []
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  for (var i = released.length - 1; i >= 0; i--) {
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    if (minimum > getMajor(released[i])) break
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    selected.unshift(released[i])
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  }
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  return selected
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}
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function uniq(array) {
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  var filtered = []
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  for (var i = 0; i < array.length; i++) {
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    if (filtered.indexOf(array[i]) === -1) filtered.push(array[i])
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  }
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  return filtered
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}
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function fillUsage(result, name, data) {
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  for (var i in data) {
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    result[name + ' ' + i] = data[i]
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  }
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}
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function generateFilter(sign, version) {
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  version = parseFloat(version)
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  if (sign === '>') {
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    return function (v) {
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      return parseLatestFloat(v) > version
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    }
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  } else if (sign === '>=') {
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    return function (v) {
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      return parseLatestFloat(v) >= version
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    }
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  } else if (sign === '<') {
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    return function (v) {
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      return parseFloat(v) < version
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    }
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  } else {
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    return function (v) {
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      return parseFloat(v) <= version
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    }
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  }
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  function parseLatestFloat(v) {
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    return parseFloat(v.split('-')[1] || v)
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  }
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}
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function generateSemverFilter(sign, version) {
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  version = version.split('.').map(parseSimpleInt)
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  version[1] = version[1] || 0
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  version[2] = version[2] || 0
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  if (sign === '>') {
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    return function (v) {
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      v = v.split('.').map(parseSimpleInt)
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      return compareSemver(v, version) > 0
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    }
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  } else if (sign === '>=') {
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    return function (v) {
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      v = v.split('.').map(parseSimpleInt)
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      return compareSemver(v, version) >= 0
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    }
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  } else if (sign === '<') {
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    return function (v) {
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      v = v.split('.').map(parseSimpleInt)
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      return compareSemver(version, v) > 0
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    }
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  } else {
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    return function (v) {
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      v = v.split('.').map(parseSimpleInt)
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      return compareSemver(version, v) >= 0
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    }
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  }
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}
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function parseSimpleInt(x) {
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  return parseInt(x)
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}
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function compare(a, b) {
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  if (a < b) return -1
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  if (a > b) return +1
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  return 0
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}
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function compareSemver(a, b) {
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  return (
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    compare(parseInt(a[0]), parseInt(b[0])) ||
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    compare(parseInt(a[1] || '0'), parseInt(b[1] || '0')) ||
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    compare(parseInt(a[2] || '0'), parseInt(b[2] || '0'))
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  )
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}
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// this follows the npm-like semver behavior
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function semverFilterLoose(operator, range) {
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  range = range.split('.').map(parseSimpleInt)
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  if (typeof range[1] === 'undefined') {
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    range[1] = 'x'
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  }
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  // ignore any patch version because we only return minor versions
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  // range[2] = 'x'
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  switch (operator) {
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    case '<=':
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      return function (version) {
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        version = version.split('.').map(parseSimpleInt)
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        return compareSemverLoose(version, range) <= 0
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      }
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    case '>=':
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    default:
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      return function (version) {
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        version = version.split('.').map(parseSimpleInt)
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        return compareSemverLoose(version, range) >= 0
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      }
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  }
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}
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// this follows the npm-like semver behavior
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function compareSemverLoose(version, range) {
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  if (version[0] !== range[0]) {
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    return version[0] < range[0] ? -1 : +1
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  }
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  if (range[1] === 'x') {
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    return 0
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  }
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  if (version[1] !== range[1]) {
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    return version[1] < range[1] ? -1 : +1
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  }
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  return 0
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}
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function resolveVersion(data, version) {
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  if (data.versions.indexOf(version) !== -1) {
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    return version
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  } else if (browserslist.versionAliases[data.name][version]) {
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    return browserslist.versionAliases[data.name][version]
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  } else {
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    return false
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  }
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}
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function normalizeVersion(data, version) {
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  var resolved = resolveVersion(data, version)
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  if (resolved) {
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    return resolved
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  } else if (data.versions.length === 1) {
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    return data.versions[0]
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  } else {
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    return false
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  }
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}
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function filterByYear(since, context) {
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  since = since / 1000
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  return Object.keys(agents).reduce(function (selected, name) {
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    var data = byName(name, context)
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    if (!data) return selected
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    var versions = Object.keys(data.releaseDate).filter(function (v) {
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      var date = data.releaseDate[v]
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      return date !== null && date >= since
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    })
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    return selected.concat(versions.map(nameMapper(data.name)))
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  }, [])
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}
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function cloneData(data) {
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  return {
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    name: data.name,
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    versions: data.versions,
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    released: data.released,
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    releaseDate: data.releaseDate
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  }
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}
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function byName(name, context) {
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  name = name.toLowerCase()
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  name = browserslist.aliases[name] || name
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  if (context.mobileToDesktop && browserslist.desktopNames[name]) {
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    var desktop = browserslist.data[browserslist.desktopNames[name]]
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    if (name === 'android') {
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      return normalizeAndroidData(cloneData(browserslist.data[name]), desktop)
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    } else {
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      var cloned = cloneData(desktop)
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      cloned.name = name
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      return cloned
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    }
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  }
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  return browserslist.data[name]
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}
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function normalizeAndroidVersions(androidVersions, chromeVersions) {
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  var iFirstEvergreen = chromeVersions.indexOf(ANDROID_EVERGREEN_FIRST)
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  return androidVersions
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    .filter(function (version) {
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      return /^(?:[2-4]\.|[34]$)/.test(version)
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    })
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    .concat(chromeVersions.slice(iFirstEvergreen))
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}
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function copyObject(obj) {
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  var copy = {}
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  for (var key in obj) {
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    copy[key] = obj[key]
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  }
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  return copy
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}
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function normalizeAndroidData(android, chrome) {
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  android.released = normalizeAndroidVersions(android.released, chrome.released)
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  android.versions = normalizeAndroidVersions(android.versions, chrome.versions)
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  android.releaseDate = copyObject(android.releaseDate)
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  android.released.forEach(function (v) {
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    if (android.releaseDate[v] === undefined) {
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      android.releaseDate[v] = chrome.releaseDate[v]
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    }
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  })
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  return android
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}
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function checkName(name, context) {
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  var data = byName(name, context)
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  if (!data) throw new BrowserslistError('Unknown browser ' + name)
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  return data
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}
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function unknownQuery(query) {
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  return new BrowserslistError(
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    'Unknown browser query `' +
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      query +
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      '`. ' +
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      'Maybe you are using old Browserslist or made typo in query.'
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  )
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}
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// Adjusts last X versions queries for some mobile browsers,
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// where caniuse data jumps from a legacy version to the latest
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function filterJumps(list, name, nVersions, context) {
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  var jump = 1
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  switch (name) {
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    case 'android':
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      if (context.mobileToDesktop) return list
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      var released = browserslist.data.chrome.released
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      jump = released.length - released.indexOf(ANDROID_EVERGREEN_FIRST)
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      break
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    case 'op_mob':
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      var latest = browserslist.data.op_mob.released.slice(-1)[0]
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      jump = getMajor(latest) - OP_MOB_BLINK_FIRST + 1
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      break
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    default:
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      return list
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  }
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  if (nVersions <= jump) {
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    return list.slice(-1)
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  }
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  return list.slice(jump - 1 - nVersions)
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}
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function isSupported(flags, withPartial) {
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  return (
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    typeof flags === 'string' &&
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    (flags.indexOf('y') >= 0 || (withPartial && flags.indexOf('a') >= 0))
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  )
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}
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function resolve(queries, context) {
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  return parseQueries(queries).reduce(function (result, node, index) {
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    if (node.not && index === 0) {
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      throw new BrowserslistError(
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        'Write any browsers query (for instance, `defaults`) ' +
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          'before `' +
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          node.query +
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          '`'
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      )
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    }
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    var type = QUERIES[node.type]
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    var array = type.select.call(browserslist, context, node).map(function (j) {
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      var parts = j.split(' ')
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      if (parts[1] === '0') {
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        return parts[0] + ' ' + byName(parts[0], context).versions[0]
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      } else {
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        return j
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      }
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    })
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    if (node.compose === 'and') {
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      if (node.not) {
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        return result.filter(function (j) {
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          return array.indexOf(j) === -1
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        })
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      } else {
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        return result.filter(function (j) {
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          return array.indexOf(j) !== -1
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        })
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      }
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    } else {
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						|
      if (node.not) {
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        var filter = {}
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						|
        array.forEach(function (j) {
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          filter[j] = true
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        })
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						|
        return result.filter(function (j) {
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          return !filter[j]
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        })
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      }
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						|
      return result.concat(array)
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    }
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						|
  }, [])
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}
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function prepareOpts(opts) {
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						|
  if (typeof opts === 'undefined') opts = {}
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 | 
						|
  if (typeof opts.path === 'undefined') {
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    opts.path = path.resolve ? path.resolve('.') : '.'
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  }
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  return opts
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}
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function prepareQueries(queries, opts) {
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						|
  if (typeof queries === 'undefined' || queries === null) {
 | 
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    var config = browserslist.loadConfig(opts)
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						|
    if (config) {
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      queries = config
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    } else {
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      queries = browserslist.defaults
 | 
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    }
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  }
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 | 
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  return queries
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}
 | 
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 | 
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function checkQueries(queries) {
 | 
						|
  if (!(typeof queries === 'string' || Array.isArray(queries))) {
 | 
						|
    throw new BrowserslistError(
 | 
						|
      'Browser queries must be an array or string. Got ' + typeof queries + '.'
 | 
						|
    )
 | 
						|
  }
 | 
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}
 | 
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var cache = {}
 | 
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var parseCache = {}
 | 
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 | 
						|
function browserslist(queries, opts) {
 | 
						|
  opts = prepareOpts(opts)
 | 
						|
  queries = prepareQueries(queries, opts)
 | 
						|
  checkQueries(queries)
 | 
						|
 | 
						|
  var needsPath = parseQueries(queries).some(function (node) {
 | 
						|
    return QUERIES[node.type].needsPath
 | 
						|
  })
 | 
						|
  var context = {
 | 
						|
    ignoreUnknownVersions: opts.ignoreUnknownVersions,
 | 
						|
    dangerousExtend: opts.dangerousExtend,
 | 
						|
    mobileToDesktop: opts.mobileToDesktop,
 | 
						|
    env: opts.env
 | 
						|
  }
 | 
						|
  // Removing to avoid using context.path without marking query as needsPath
 | 
						|
  if (needsPath) {
 | 
						|
    context.path = opts.path
 | 
						|
  }
 | 
						|
 | 
						|
  env.oldDataWarning(browserslist.data)
 | 
						|
  var stats = env.getStat(opts, browserslist.data)
 | 
						|
  if (stats) {
 | 
						|
    context.customUsage = {}
 | 
						|
    for (var browser in stats) {
 | 
						|
      fillUsage(context.customUsage, browser, stats[browser])
 | 
						|
    }
 | 
						|
  }
 | 
						|
 | 
						|
  var cacheKey = JSON.stringify([queries, context])
 | 
						|
  if (cache[cacheKey]) return cache[cacheKey]
 | 
						|
 | 
						|
  var result = uniq(resolve(queries, context)).sort(function (name1, name2) {
 | 
						|
    name1 = name1.split(' ')
 | 
						|
    name2 = name2.split(' ')
 | 
						|
    if (name1[0] === name2[0]) {
 | 
						|
      // assumptions on caniuse data
 | 
						|
      // 1) version ranges never overlaps
 | 
						|
      // 2) if version is not a range, it never contains `-`
 | 
						|
      var version1 = name1[1].split('-')[0]
 | 
						|
      var version2 = name2[1].split('-')[0]
 | 
						|
      return compareSemver(version2.split('.'), version1.split('.'))
 | 
						|
    } else {
 | 
						|
      return compare(name1[0], name2[0])
 | 
						|
    }
 | 
						|
  })
 | 
						|
  if (!env.env.BROWSERSLIST_DISABLE_CACHE) {
 | 
						|
    cache[cacheKey] = result
 | 
						|
  }
 | 
						|
  return result
 | 
						|
}
 | 
						|
 | 
						|
function parseQueries(queries) {
 | 
						|
  var cacheKey = JSON.stringify(queries)
 | 
						|
  if (cacheKey in parseCache) return parseCache[cacheKey]
 | 
						|
  var result = parseWithoutCache(QUERIES, queries)
 | 
						|
  if (!env.env.BROWSERSLIST_DISABLE_CACHE) {
 | 
						|
    parseCache[cacheKey] = result
 | 
						|
  }
 | 
						|
  return result
 | 
						|
}
 | 
						|
 | 
						|
function loadCustomUsage(context, config) {
 | 
						|
  var stats = env.loadStat(context, config, browserslist.data)
 | 
						|
  if (stats) {
 | 
						|
    context.customUsage = {}
 | 
						|
    for (var browser in stats) {
 | 
						|
      fillUsage(context.customUsage, browser, stats[browser])
 | 
						|
    }
 | 
						|
  }
 | 
						|
  if (!context.customUsage) {
 | 
						|
    throw new BrowserslistError('Custom usage statistics was not provided')
 | 
						|
  }
 | 
						|
  return context.customUsage
 | 
						|
}
 | 
						|
 | 
						|
browserslist.parse = function (queries, opts) {
 | 
						|
  opts = prepareOpts(opts)
 | 
						|
  queries = prepareQueries(queries, opts)
 | 
						|
  checkQueries(queries)
 | 
						|
  return parseQueries(queries)
 | 
						|
}
 | 
						|
 | 
						|
// Will be filled by Can I Use data below
 | 
						|
browserslist.cache = {}
 | 
						|
browserslist.data = {}
 | 
						|
browserslist.usage = {
 | 
						|
  global: {},
 | 
						|
  custom: null
 | 
						|
}
 | 
						|
 | 
						|
// Default browsers query
 | 
						|
browserslist.defaults = ['> 0.5%', 'last 2 versions', 'Firefox ESR', 'not dead']
 | 
						|
 | 
						|
// Browser names aliases
 | 
						|
browserslist.aliases = {
 | 
						|
  fx: 'firefox',
 | 
						|
  ff: 'firefox',
 | 
						|
  ios: 'ios_saf',
 | 
						|
  explorer: 'ie',
 | 
						|
  blackberry: 'bb',
 | 
						|
  explorermobile: 'ie_mob',
 | 
						|
  operamini: 'op_mini',
 | 
						|
  operamobile: 'op_mob',
 | 
						|
  chromeandroid: 'and_chr',
 | 
						|
  firefoxandroid: 'and_ff',
 | 
						|
  ucandroid: 'and_uc',
 | 
						|
  qqandroid: 'and_qq'
 | 
						|
}
 | 
						|
 | 
						|
// Can I Use only provides a few versions for some browsers (e.g. and_chr).
 | 
						|
// Fallback to a similar browser for unknown versions
 | 
						|
// Note op_mob is not included as its chromium versions are not in sync with Opera desktop
 | 
						|
browserslist.desktopNames = {
 | 
						|
  and_chr: 'chrome',
 | 
						|
  and_ff: 'firefox',
 | 
						|
  ie_mob: 'ie',
 | 
						|
  android: 'chrome' // has extra processing logic
 | 
						|
}
 | 
						|
 | 
						|
// Aliases to work with joined versions like `ios_saf 7.0-7.1`
 | 
						|
browserslist.versionAliases = {}
 | 
						|
 | 
						|
browserslist.clearCaches = env.clearCaches
 | 
						|
browserslist.parseConfig = env.parseConfig
 | 
						|
browserslist.readConfig = env.readConfig
 | 
						|
browserslist.findConfigFile = env.findConfigFile
 | 
						|
browserslist.findConfig = env.findConfig
 | 
						|
browserslist.loadConfig = env.loadConfig
 | 
						|
 | 
						|
browserslist.coverage = function (browsers, stats) {
 | 
						|
  var data
 | 
						|
  if (typeof stats === 'undefined') {
 | 
						|
    data = browserslist.usage.global
 | 
						|
  } else if (stats === 'my stats') {
 | 
						|
    var opts = {}
 | 
						|
    opts.path = path.resolve ? path.resolve('.') : '.'
 | 
						|
    var customStats = env.getStat(opts)
 | 
						|
    if (!customStats) {
 | 
						|
      throw new BrowserslistError('Custom usage statistics was not provided')
 | 
						|
    }
 | 
						|
    data = {}
 | 
						|
    for (var browser in customStats) {
 | 
						|
      fillUsage(data, browser, customStats[browser])
 | 
						|
    }
 | 
						|
  } else if (typeof stats === 'string') {
 | 
						|
    if (stats.length > 2) {
 | 
						|
      stats = stats.toLowerCase()
 | 
						|
    } else {
 | 
						|
      stats = stats.toUpperCase()
 | 
						|
    }
 | 
						|
    env.loadCountry(browserslist.usage, stats, browserslist.data)
 | 
						|
    data = browserslist.usage[stats]
 | 
						|
  } else {
 | 
						|
    if ('dataByBrowser' in stats) {
 | 
						|
      stats = stats.dataByBrowser
 | 
						|
    }
 | 
						|
    data = {}
 | 
						|
    for (var name in stats) {
 | 
						|
      for (var version in stats[name]) {
 | 
						|
        data[name + ' ' + version] = stats[name][version]
 | 
						|
      }
 | 
						|
    }
 | 
						|
  }
 | 
						|
 | 
						|
  return browsers.reduce(function (all, i) {
 | 
						|
    var usage = data[i]
 | 
						|
    if (usage === undefined) {
 | 
						|
      usage = data[i.replace(/ \S+$/, ' 0')]
 | 
						|
    }
 | 
						|
    return all + (usage || 0)
 | 
						|
  }, 0)
 | 
						|
}
 | 
						|
 | 
						|
function nodeQuery(context, node) {
 | 
						|
  var matched = browserslist.nodeVersions.filter(function (i) {
 | 
						|
    return isVersionsMatch(i, node.version)
 | 
						|
  })
 | 
						|
  if (matched.length === 0) {
 | 
						|
    if (context.ignoreUnknownVersions) {
 | 
						|
      return []
 | 
						|
    } else {
 | 
						|
      throw new BrowserslistError(
 | 
						|
        'Unknown version ' + node.version + ' of Node.js'
 | 
						|
      )
 | 
						|
    }
 | 
						|
  }
 | 
						|
  return ['node ' + matched[matched.length - 1]]
 | 
						|
}
 | 
						|
 | 
						|
function sinceQuery(context, node) {
 | 
						|
  var year = parseInt(node.year)
 | 
						|
  var month = parseInt(node.month || '01') - 1
 | 
						|
  var day = parseInt(node.day || '01')
 | 
						|
  return filterByYear(Date.UTC(year, month, day, 0, 0, 0), context)
 | 
						|
}
 | 
						|
 | 
						|
function bbmTransform(bbmVersions) {
 | 
						|
  var browsers = {
 | 
						|
    chrome: 'chrome',
 | 
						|
    chrome_android: 'and_chr',
 | 
						|
    edge: 'edge',
 | 
						|
    firefox: 'firefox',
 | 
						|
    firefox_android: 'and_ff',
 | 
						|
    safari: 'safari',
 | 
						|
    safari_ios: 'ios_saf',
 | 
						|
    webview_android: 'android',
 | 
						|
    samsunginternet_android: 'samsung',
 | 
						|
    opera_android: 'op_mob',
 | 
						|
    opera: 'opera',
 | 
						|
    qq_android: 'and_qq',
 | 
						|
    uc_android: 'and_uc',
 | 
						|
    kai_os: 'kaios'
 | 
						|
  }
 | 
						|
 | 
						|
  return bbmVersions
 | 
						|
    .filter(function (version) {
 | 
						|
      return Object.keys(browsers).indexOf(version.browser) !== -1
 | 
						|
    })
 | 
						|
    .map(function (version) {
 | 
						|
      return browsers[version.browser] + ' >= ' + version.version
 | 
						|
    })
 | 
						|
}
 | 
						|
 | 
						|
function coverQuery(context, node) {
 | 
						|
  var coverage = parseFloat(node.coverage)
 | 
						|
  var usage = browserslist.usage.global
 | 
						|
  if (node.place) {
 | 
						|
    if (node.place.match(/^my\s+stats$/i)) {
 | 
						|
      if (!context.customUsage) {
 | 
						|
        throw new BrowserslistError('Custom usage statistics was not provided')
 | 
						|
      }
 | 
						|
      usage = context.customUsage
 | 
						|
    } else {
 | 
						|
      var place
 | 
						|
      if (node.place.length === 2) {
 | 
						|
        place = node.place.toUpperCase()
 | 
						|
      } else {
 | 
						|
        place = node.place.toLowerCase()
 | 
						|
      }
 | 
						|
      env.loadCountry(browserslist.usage, place, browserslist.data)
 | 
						|
      usage = browserslist.usage[place]
 | 
						|
    }
 | 
						|
  } else if (node.config) {
 | 
						|
    usage = loadCustomUsage(context, node.config)
 | 
						|
  }
 | 
						|
  var versions = Object.keys(usage).sort(function (a, b) {
 | 
						|
    return usage[b] - usage[a]
 | 
						|
  })
 | 
						|
  var covered = 0
 | 
						|
  var result = []
 | 
						|
  var version
 | 
						|
  for (var i = 0; i < versions.length; i++) {
 | 
						|
    version = versions[i]
 | 
						|
    if (usage[version] === 0) break
 | 
						|
    covered += usage[version]
 | 
						|
    result.push(version)
 | 
						|
    if (covered >= coverage) break
 | 
						|
  }
 | 
						|
  return result
 | 
						|
}
 | 
						|
 | 
						|
var QUERIES = {
 | 
						|
  last_major_versions: {
 | 
						|
    matches: ['versions'],
 | 
						|
    regexp: /^last\s+(\d+)\s+major\s+versions?$/i,
 | 
						|
    select: function (context, node) {
 | 
						|
      return Object.keys(agents).reduce(function (selected, name) {
 | 
						|
        var data = byName(name, context)
 | 
						|
        if (!data) return selected
 | 
						|
        var list = getMajorVersions(data.released, node.versions)
 | 
						|
        list = list.map(nameMapper(data.name))
 | 
						|
        list = filterJumps(list, data.name, node.versions, context)
 | 
						|
        return selected.concat(list)
 | 
						|
      }, [])
 | 
						|
    }
 | 
						|
  },
 | 
						|
  last_versions: {
 | 
						|
    matches: ['versions'],
 | 
						|
    regexp: /^last\s+(\d+)\s+versions?$/i,
 | 
						|
    select: function (context, node) {
 | 
						|
      return Object.keys(agents).reduce(function (selected, name) {
 | 
						|
        var data = byName(name, context)
 | 
						|
        if (!data) return selected
 | 
						|
        var list = data.released.slice(-node.versions)
 | 
						|
        list = list.map(nameMapper(data.name))
 | 
						|
        list = filterJumps(list, data.name, node.versions, context)
 | 
						|
        return selected.concat(list)
 | 
						|
      }, [])
 | 
						|
    }
 | 
						|
  },
 | 
						|
  last_electron_major_versions: {
 | 
						|
    matches: ['versions'],
 | 
						|
    regexp: /^last\s+(\d+)\s+electron\s+major\s+versions?$/i,
 | 
						|
    select: function (context, node) {
 | 
						|
      var validVersions = getMajorVersions(Object.keys(e2c), node.versions)
 | 
						|
      return validVersions.map(function (i) {
 | 
						|
        return 'chrome ' + e2c[i]
 | 
						|
      })
 | 
						|
    }
 | 
						|
  },
 | 
						|
  last_node_major_versions: {
 | 
						|
    matches: ['versions'],
 | 
						|
    regexp: /^last\s+(\d+)\s+node\s+major\s+versions?$/i,
 | 
						|
    select: function (context, node) {
 | 
						|
      return getMajorVersions(browserslist.nodeVersions, node.versions).map(
 | 
						|
        function (version) {
 | 
						|
          return 'node ' + version
 | 
						|
        }
 | 
						|
      )
 | 
						|
    }
 | 
						|
  },
 | 
						|
  last_browser_major_versions: {
 | 
						|
    matches: ['versions', 'browser'],
 | 
						|
    regexp: /^last\s+(\d+)\s+(\w+)\s+major\s+versions?$/i,
 | 
						|
    select: function (context, node) {
 | 
						|
      var data = checkName(node.browser, context)
 | 
						|
      var validVersions = getMajorVersions(data.released, node.versions)
 | 
						|
      var list = validVersions.map(nameMapper(data.name))
 | 
						|
      list = filterJumps(list, data.name, node.versions, context)
 | 
						|
      return list
 | 
						|
    }
 | 
						|
  },
 | 
						|
  last_electron_versions: {
 | 
						|
    matches: ['versions'],
 | 
						|
    regexp: /^last\s+(\d+)\s+electron\s+versions?$/i,
 | 
						|
    select: function (context, node) {
 | 
						|
      return Object.keys(e2c)
 | 
						|
        .slice(-node.versions)
 | 
						|
        .map(function (i) {
 | 
						|
          return 'chrome ' + e2c[i]
 | 
						|
        })
 | 
						|
    }
 | 
						|
  },
 | 
						|
  last_node_versions: {
 | 
						|
    matches: ['versions'],
 | 
						|
    regexp: /^last\s+(\d+)\s+node\s+versions?$/i,
 | 
						|
    select: function (context, node) {
 | 
						|
      return browserslist.nodeVersions
 | 
						|
        .slice(-node.versions)
 | 
						|
        .map(function (version) {
 | 
						|
          return 'node ' + version
 | 
						|
        })
 | 
						|
    }
 | 
						|
  },
 | 
						|
  last_browser_versions: {
 | 
						|
    matches: ['versions', 'browser'],
 | 
						|
    regexp: /^last\s+(\d+)\s+(\w+)\s+versions?$/i,
 | 
						|
    select: function (context, node) {
 | 
						|
      var data = checkName(node.browser, context)
 | 
						|
      var list = data.released.slice(-node.versions).map(nameMapper(data.name))
 | 
						|
      list = filterJumps(list, data.name, node.versions, context)
 | 
						|
      return list
 | 
						|
    }
 | 
						|
  },
 | 
						|
  unreleased_versions: {
 | 
						|
    matches: [],
 | 
						|
    regexp: /^unreleased\s+versions$/i,
 | 
						|
    select: function (context) {
 | 
						|
      return Object.keys(agents).reduce(function (selected, name) {
 | 
						|
        var data = byName(name, context)
 | 
						|
        if (!data) return selected
 | 
						|
        var list = data.versions.filter(function (v) {
 | 
						|
          return data.released.indexOf(v) === -1
 | 
						|
        })
 | 
						|
        list = list.map(nameMapper(data.name))
 | 
						|
        return selected.concat(list)
 | 
						|
      }, [])
 | 
						|
    }
 | 
						|
  },
 | 
						|
  unreleased_electron_versions: {
 | 
						|
    matches: [],
 | 
						|
    regexp: /^unreleased\s+electron\s+versions?$/i,
 | 
						|
    select: function () {
 | 
						|
      return []
 | 
						|
    }
 | 
						|
  },
 | 
						|
  unreleased_browser_versions: {
 | 
						|
    matches: ['browser'],
 | 
						|
    regexp: /^unreleased\s+(\w+)\s+versions?$/i,
 | 
						|
    select: function (context, node) {
 | 
						|
      var data = checkName(node.browser, context)
 | 
						|
      return data.versions
 | 
						|
        .filter(function (v) {
 | 
						|
          return data.released.indexOf(v) === -1
 | 
						|
        })
 | 
						|
        .map(nameMapper(data.name))
 | 
						|
    }
 | 
						|
  },
 | 
						|
  last_years: {
 | 
						|
    matches: ['years'],
 | 
						|
    regexp: /^last\s+((\d+\.)?\d+)\s+years?$/i,
 | 
						|
    select: function (context, node) {
 | 
						|
      return filterByYear(Date.now() - YEAR * node.years, context)
 | 
						|
    }
 | 
						|
  },
 | 
						|
  since_y: {
 | 
						|
    matches: ['year'],
 | 
						|
    regexp: /^since (\d+)$/i,
 | 
						|
    select: sinceQuery
 | 
						|
  },
 | 
						|
  since_y_m: {
 | 
						|
    matches: ['year', 'month'],
 | 
						|
    regexp: /^since (\d+)-(\d+)$/i,
 | 
						|
    select: sinceQuery
 | 
						|
  },
 | 
						|
  since_y_m_d: {
 | 
						|
    matches: ['year', 'month', 'day'],
 | 
						|
    regexp: /^since (\d+)-(\d+)-(\d+)$/i,
 | 
						|
    select: sinceQuery
 | 
						|
  },
 | 
						|
  baseline: {
 | 
						|
    matches: ['year', 'availability', 'date', 'downstream', 'kaios'],
 | 
						|
    // Matches:
 | 
						|
    //   baseline 2024
 | 
						|
    //   baseline newly available
 | 
						|
    //   baseline widely available
 | 
						|
    //   baseline widely available on 2024-06-01
 | 
						|
    //   ...with downstream
 | 
						|
    //   ...including kaios
 | 
						|
    regexp:
 | 
						|
      /^baseline\s+(?:(\d+)|(newly|widely)\s+available(?:\s+on\s+(\d{4}-\d{2}-\d{2}))?)?(\s+with\s+downstream)?(\s+including\s+kaios)?$/i,
 | 
						|
    select: function (context, node) {
 | 
						|
      var baselineVersions
 | 
						|
      var includeDownstream = !!node.downstream
 | 
						|
      var includeKaiOS = !!node.kaios
 | 
						|
      if (node.availability === 'newly' && node.date) {
 | 
						|
        throw new BrowserslistError(
 | 
						|
          'Using newly available with a date is not supported, please use "widely available on YYYY-MM-DD" and add 30 months to the date you specified.'
 | 
						|
        )
 | 
						|
      }
 | 
						|
      if (node.year) {
 | 
						|
        baselineVersions = bbm.getCompatibleVersions({
 | 
						|
          targetYear: node.year,
 | 
						|
          includeDownstreamBrowsers: includeDownstream,
 | 
						|
          includeKaiOS: includeKaiOS
 | 
						|
        })
 | 
						|
      } else if (node.date) {
 | 
						|
        baselineVersions = bbm.getCompatibleVersions({
 | 
						|
          widelyAvailableOnDate: node.date,
 | 
						|
          includeDownstreamBrowsers: includeDownstream,
 | 
						|
          includeKaiOS: includeKaiOS
 | 
						|
        })
 | 
						|
      } else if (node.availability === 'newly') {
 | 
						|
        var future30months = new Date().setMonth(new Date().getMonth() + 30)
 | 
						|
        baselineVersions = bbm.getCompatibleVersions({
 | 
						|
          widelyAvailableOnDate: future30months,
 | 
						|
          includeDownstreamBrowsers: includeDownstream,
 | 
						|
          includeKaiOS: includeKaiOS
 | 
						|
        })
 | 
						|
      } else {
 | 
						|
        baselineVersions = bbm.getCompatibleVersions({
 | 
						|
          includeDownstreamBrowsers: includeDownstream,
 | 
						|
          includeKaiOS: includeKaiOS
 | 
						|
        })
 | 
						|
      }
 | 
						|
      return resolve(bbmTransform(baselineVersions), context)
 | 
						|
    }
 | 
						|
  },
 | 
						|
  popularity: {
 | 
						|
    matches: ['sign', 'popularity'],
 | 
						|
    regexp: /^(>=?|<=?)\s*(\d+|\d+\.\d+|\.\d+)%$/,
 | 
						|
    select: function (context, node) {
 | 
						|
      var popularity = parseFloat(node.popularity)
 | 
						|
      var usage = browserslist.usage.global
 | 
						|
      return Object.keys(usage).reduce(function (result, version) {
 | 
						|
        if (node.sign === '>') {
 | 
						|
          if (usage[version] > popularity) {
 | 
						|
            result.push(version)
 | 
						|
          }
 | 
						|
        } else if (node.sign === '<') {
 | 
						|
          if (usage[version] < popularity) {
 | 
						|
            result.push(version)
 | 
						|
          }
 | 
						|
        } else if (node.sign === '<=') {
 | 
						|
          if (usage[version] <= popularity) {
 | 
						|
            result.push(version)
 | 
						|
          }
 | 
						|
        } else if (usage[version] >= popularity) {
 | 
						|
          result.push(version)
 | 
						|
        }
 | 
						|
        return result
 | 
						|
      }, [])
 | 
						|
    }
 | 
						|
  },
 | 
						|
  popularity_in_my_stats: {
 | 
						|
    matches: ['sign', 'popularity'],
 | 
						|
    regexp: /^(>=?|<=?)\s*(\d+|\d+\.\d+|\.\d+)%\s+in\s+my\s+stats$/,
 | 
						|
    select: function (context, node) {
 | 
						|
      var popularity = parseFloat(node.popularity)
 | 
						|
      if (!context.customUsage) {
 | 
						|
        throw new BrowserslistError('Custom usage statistics was not provided')
 | 
						|
      }
 | 
						|
      var usage = context.customUsage
 | 
						|
      return Object.keys(usage).reduce(function (result, version) {
 | 
						|
        var percentage = usage[version]
 | 
						|
        if (percentage == null) {
 | 
						|
          return result
 | 
						|
        }
 | 
						|
 | 
						|
        if (node.sign === '>') {
 | 
						|
          if (percentage > popularity) {
 | 
						|
            result.push(version)
 | 
						|
          }
 | 
						|
        } else if (node.sign === '<') {
 | 
						|
          if (percentage < popularity) {
 | 
						|
            result.push(version)
 | 
						|
          }
 | 
						|
        } else if (node.sign === '<=') {
 | 
						|
          if (percentage <= popularity) {
 | 
						|
            result.push(version)
 | 
						|
          }
 | 
						|
        } else if (percentage >= popularity) {
 | 
						|
          result.push(version)
 | 
						|
        }
 | 
						|
        return result
 | 
						|
      }, [])
 | 
						|
    }
 | 
						|
  },
 | 
						|
  popularity_in_config_stats: {
 | 
						|
    matches: ['sign', 'popularity', 'config'],
 | 
						|
    regexp: /^(>=?|<=?)\s*(\d+|\d+\.\d+|\.\d+)%\s+in\s+(\S+)\s+stats$/,
 | 
						|
    select: function (context, node) {
 | 
						|
      var popularity = parseFloat(node.popularity)
 | 
						|
      var usage = loadCustomUsage(context, node.config)
 | 
						|
      return Object.keys(usage).reduce(function (result, version) {
 | 
						|
        var percentage = usage[version]
 | 
						|
        if (percentage == null) {
 | 
						|
          return result
 | 
						|
        }
 | 
						|
 | 
						|
        if (node.sign === '>') {
 | 
						|
          if (percentage > popularity) {
 | 
						|
            result.push(version)
 | 
						|
          }
 | 
						|
        } else if (node.sign === '<') {
 | 
						|
          if (percentage < popularity) {
 | 
						|
            result.push(version)
 | 
						|
          }
 | 
						|
        } else if (node.sign === '<=') {
 | 
						|
          if (percentage <= popularity) {
 | 
						|
            result.push(version)
 | 
						|
          }
 | 
						|
        } else if (percentage >= popularity) {
 | 
						|
          result.push(version)
 | 
						|
        }
 | 
						|
        return result
 | 
						|
      }, [])
 | 
						|
    }
 | 
						|
  },
 | 
						|
  popularity_in_place: {
 | 
						|
    matches: ['sign', 'popularity', 'place'],
 | 
						|
    regexp: /^(>=?|<=?)\s*(\d+|\d+\.\d+|\.\d+)%\s+in\s+((alt-)?\w\w)$/,
 | 
						|
    select: function (context, node) {
 | 
						|
      var popularity = parseFloat(node.popularity)
 | 
						|
      var place = node.place
 | 
						|
      if (place.length === 2) {
 | 
						|
        place = place.toUpperCase()
 | 
						|
      } else {
 | 
						|
        place = place.toLowerCase()
 | 
						|
      }
 | 
						|
      env.loadCountry(browserslist.usage, place, browserslist.data)
 | 
						|
      var usage = browserslist.usage[place]
 | 
						|
      return Object.keys(usage).reduce(function (result, version) {
 | 
						|
        var percentage = usage[version]
 | 
						|
        if (percentage == null) {
 | 
						|
          return result
 | 
						|
        }
 | 
						|
 | 
						|
        if (node.sign === '>') {
 | 
						|
          if (percentage > popularity) {
 | 
						|
            result.push(version)
 | 
						|
          }
 | 
						|
        } else if (node.sign === '<') {
 | 
						|
          if (percentage < popularity) {
 | 
						|
            result.push(version)
 | 
						|
          }
 | 
						|
        } else if (node.sign === '<=') {
 | 
						|
          if (percentage <= popularity) {
 | 
						|
            result.push(version)
 | 
						|
          }
 | 
						|
        } else if (percentage >= popularity) {
 | 
						|
          result.push(version)
 | 
						|
        }
 | 
						|
        return result
 | 
						|
      }, [])
 | 
						|
    }
 | 
						|
  },
 | 
						|
  cover: {
 | 
						|
    matches: ['coverage'],
 | 
						|
    regexp: /^cover\s+(\d+|\d+\.\d+|\.\d+)%$/i,
 | 
						|
    select: coverQuery
 | 
						|
  },
 | 
						|
  cover_in: {
 | 
						|
    matches: ['coverage', 'place'],
 | 
						|
    regexp: /^cover\s+(\d+|\d+\.\d+|\.\d+)%\s+in\s+(my\s+stats|(alt-)?\w\w)$/i,
 | 
						|
    select: coverQuery
 | 
						|
  },
 | 
						|
  cover_config: {
 | 
						|
    matches: ['coverage', 'config'],
 | 
						|
    regexp: /^cover\s+(\d+|\d+\.\d+|\.\d+)%\s+in\s+(\S+)\s+stats$/i,
 | 
						|
    select: coverQuery
 | 
						|
  },
 | 
						|
  supports: {
 | 
						|
    matches: ['supportType', 'feature'],
 | 
						|
    regexp: /^(?:(fully|partially)\s+)?supports\s+([\w-]+)$/,
 | 
						|
    select: function (context, node) {
 | 
						|
      env.loadFeature(browserslist.cache, node.feature)
 | 
						|
      var withPartial = node.supportType !== 'fully'
 | 
						|
      var features = browserslist.cache[node.feature]
 | 
						|
      var result = []
 | 
						|
      for (var name in features) {
 | 
						|
        var data = byName(name, context)
 | 
						|
        // Only check desktop when latest released mobile has support
 | 
						|
        var iMax = data.released.length - 1
 | 
						|
        while (iMax >= 0) {
 | 
						|
          if (data.released[iMax] in features[name]) break
 | 
						|
          iMax--
 | 
						|
        }
 | 
						|
        var checkDesktop =
 | 
						|
          context.mobileToDesktop &&
 | 
						|
          name in browserslist.desktopNames &&
 | 
						|
          isSupported(features[name][data.released[iMax]], withPartial)
 | 
						|
        data.versions.forEach(function (version) {
 | 
						|
          var flags = features[name][version]
 | 
						|
          if (flags === undefined && checkDesktop) {
 | 
						|
            flags = features[browserslist.desktopNames[name]][version]
 | 
						|
          }
 | 
						|
          if (isSupported(flags, withPartial)) {
 | 
						|
            result.push(name + ' ' + version)
 | 
						|
          }
 | 
						|
        })
 | 
						|
      }
 | 
						|
      return result
 | 
						|
    }
 | 
						|
  },
 | 
						|
  electron_range: {
 | 
						|
    matches: ['from', 'to'],
 | 
						|
    regexp: /^electron\s+([\d.]+)\s*-\s*([\d.]+)$/i,
 | 
						|
    select: function (context, node) {
 | 
						|
      var fromToUse = normalizeElectron(node.from)
 | 
						|
      var toToUse = normalizeElectron(node.to)
 | 
						|
      var from = parseFloat(node.from)
 | 
						|
      var to = parseFloat(node.to)
 | 
						|
      if (!e2c[fromToUse]) {
 | 
						|
        throw new BrowserslistError('Unknown version ' + from + ' of electron')
 | 
						|
      }
 | 
						|
      if (!e2c[toToUse]) {
 | 
						|
        throw new BrowserslistError('Unknown version ' + to + ' of electron')
 | 
						|
      }
 | 
						|
      return Object.keys(e2c)
 | 
						|
        .filter(function (i) {
 | 
						|
          var parsed = parseFloat(i)
 | 
						|
          return parsed >= from && parsed <= to
 | 
						|
        })
 | 
						|
        .map(function (i) {
 | 
						|
          return 'chrome ' + e2c[i]
 | 
						|
        })
 | 
						|
    }
 | 
						|
  },
 | 
						|
  node_range: {
 | 
						|
    matches: ['from', 'to'],
 | 
						|
    regexp: /^node\s+([\d.]+)\s*-\s*([\d.]+)$/i,
 | 
						|
    select: function (context, node) {
 | 
						|
      return browserslist.nodeVersions
 | 
						|
        .filter(semverFilterLoose('>=', node.from))
 | 
						|
        .filter(semverFilterLoose('<=', node.to))
 | 
						|
        .map(function (v) {
 | 
						|
          return 'node ' + v
 | 
						|
        })
 | 
						|
    }
 | 
						|
  },
 | 
						|
  browser_range: {
 | 
						|
    matches: ['browser', 'from', 'to'],
 | 
						|
    regexp: /^(\w+)\s+([\d.]+)\s*-\s*([\d.]+)$/i,
 | 
						|
    select: function (context, node) {
 | 
						|
      var data = checkName(node.browser, context)
 | 
						|
      var from = parseFloat(normalizeVersion(data, node.from) || node.from)
 | 
						|
      var to = parseFloat(normalizeVersion(data, node.to) || node.to)
 | 
						|
      function filter(v) {
 | 
						|
        var parsed = parseFloat(v)
 | 
						|
        return parsed >= from && parsed <= to
 | 
						|
      }
 | 
						|
      return data.released.filter(filter).map(nameMapper(data.name))
 | 
						|
    }
 | 
						|
  },
 | 
						|
  electron_ray: {
 | 
						|
    matches: ['sign', 'version'],
 | 
						|
    regexp: /^electron\s*(>=?|<=?)\s*([\d.]+)$/i,
 | 
						|
    select: function (context, node) {
 | 
						|
      var versionToUse = normalizeElectron(node.version)
 | 
						|
      return Object.keys(e2c)
 | 
						|
        .filter(generateFilter(node.sign, versionToUse))
 | 
						|
        .map(function (i) {
 | 
						|
          return 'chrome ' + e2c[i]
 | 
						|
        })
 | 
						|
    }
 | 
						|
  },
 | 
						|
  node_ray: {
 | 
						|
    matches: ['sign', 'version'],
 | 
						|
    regexp: /^node\s*(>=?|<=?)\s*([\d.]+)$/i,
 | 
						|
    select: function (context, node) {
 | 
						|
      return browserslist.nodeVersions
 | 
						|
        .filter(generateSemverFilter(node.sign, node.version))
 | 
						|
        .map(function (v) {
 | 
						|
          return 'node ' + v
 | 
						|
        })
 | 
						|
    }
 | 
						|
  },
 | 
						|
  browser_ray: {
 | 
						|
    matches: ['browser', 'sign', 'version'],
 | 
						|
    regexp: /^(\w+)\s*(>=?|<=?)\s*([\d.]+)$/,
 | 
						|
    select: function (context, node) {
 | 
						|
      var version = node.version
 | 
						|
      var data = checkName(node.browser, context)
 | 
						|
      var alias = browserslist.versionAliases[data.name][version]
 | 
						|
      if (alias) version = alias
 | 
						|
      return data.released
 | 
						|
        .filter(generateFilter(node.sign, version))
 | 
						|
        .map(function (v) {
 | 
						|
          return data.name + ' ' + v
 | 
						|
        })
 | 
						|
    }
 | 
						|
  },
 | 
						|
  firefox_esr: {
 | 
						|
    matches: [],
 | 
						|
    regexp: /^(firefox|ff|fx)\s+esr$/i,
 | 
						|
    select: function () {
 | 
						|
      return ['firefox 140']
 | 
						|
    }
 | 
						|
  },
 | 
						|
  opera_mini_all: {
 | 
						|
    matches: [],
 | 
						|
    regexp: /(operamini|op_mini)\s+all/i,
 | 
						|
    select: function () {
 | 
						|
      return ['op_mini all']
 | 
						|
    }
 | 
						|
  },
 | 
						|
  electron_version: {
 | 
						|
    matches: ['version'],
 | 
						|
    regexp: /^electron\s+([\d.]+)$/i,
 | 
						|
    select: function (context, node) {
 | 
						|
      var versionToUse = normalizeElectron(node.version)
 | 
						|
      var chrome = e2c[versionToUse]
 | 
						|
      if (!chrome) {
 | 
						|
        throw new BrowserslistError(
 | 
						|
          'Unknown version ' + node.version + ' of electron'
 | 
						|
        )
 | 
						|
      }
 | 
						|
      return ['chrome ' + chrome]
 | 
						|
    }
 | 
						|
  },
 | 
						|
  node_major_version: {
 | 
						|
    matches: ['version'],
 | 
						|
    regexp: /^node\s+(\d+)$/i,
 | 
						|
    select: nodeQuery
 | 
						|
  },
 | 
						|
  node_minor_version: {
 | 
						|
    matches: ['version'],
 | 
						|
    regexp: /^node\s+(\d+\.\d+)$/i,
 | 
						|
    select: nodeQuery
 | 
						|
  },
 | 
						|
  node_patch_version: {
 | 
						|
    matches: ['version'],
 | 
						|
    regexp: /^node\s+(\d+\.\d+\.\d+)$/i,
 | 
						|
    select: nodeQuery
 | 
						|
  },
 | 
						|
  current_node: {
 | 
						|
    matches: [],
 | 
						|
    regexp: /^current\s+node$/i,
 | 
						|
    select: function (context) {
 | 
						|
      return [env.currentNode(resolve, context)]
 | 
						|
    }
 | 
						|
  },
 | 
						|
  maintained_node: {
 | 
						|
    matches: [],
 | 
						|
    regexp: /^maintained\s+node\s+versions$/i,
 | 
						|
    select: function (context) {
 | 
						|
      var now = Date.now()
 | 
						|
      var queries = Object.keys(jsEOL)
 | 
						|
        .filter(function (key) {
 | 
						|
          return (
 | 
						|
            now < Date.parse(jsEOL[key].end) &&
 | 
						|
            now > Date.parse(jsEOL[key].start) &&
 | 
						|
            isEolReleased(key)
 | 
						|
          )
 | 
						|
        })
 | 
						|
        .map(function (key) {
 | 
						|
          return 'node ' + key.slice(1)
 | 
						|
        })
 | 
						|
      return resolve(queries, context)
 | 
						|
    }
 | 
						|
  },
 | 
						|
  phantomjs_1_9: {
 | 
						|
    matches: [],
 | 
						|
    regexp: /^phantomjs\s+1.9$/i,
 | 
						|
    select: function () {
 | 
						|
      return ['safari 5']
 | 
						|
    }
 | 
						|
  },
 | 
						|
  phantomjs_2_1: {
 | 
						|
    matches: [],
 | 
						|
    regexp: /^phantomjs\s+2.1$/i,
 | 
						|
    select: function () {
 | 
						|
      return ['safari 6']
 | 
						|
    }
 | 
						|
  },
 | 
						|
  browser_version: {
 | 
						|
    matches: ['browser', 'version'],
 | 
						|
    regexp: /^(\w+)\s+(tp|[\d.]+)$/i,
 | 
						|
    select: function (context, node) {
 | 
						|
      var version = node.version
 | 
						|
      if (/^tp$/i.test(version)) version = 'TP'
 | 
						|
      var data = checkName(node.browser, context)
 | 
						|
      var alias = normalizeVersion(data, version)
 | 
						|
      if (alias) {
 | 
						|
        version = alias
 | 
						|
      } else {
 | 
						|
        if (version.indexOf('.') === -1) {
 | 
						|
          alias = version + '.0'
 | 
						|
        } else {
 | 
						|
          alias = version.replace(/\.0$/, '')
 | 
						|
        }
 | 
						|
        alias = normalizeVersion(data, alias)
 | 
						|
        if (alias) {
 | 
						|
          version = alias
 | 
						|
        } else if (context.ignoreUnknownVersions) {
 | 
						|
          return []
 | 
						|
        } else {
 | 
						|
          throw new BrowserslistError(
 | 
						|
            'Unknown version ' + version + ' of ' + node.browser
 | 
						|
          )
 | 
						|
        }
 | 
						|
      }
 | 
						|
      return [data.name + ' ' + version]
 | 
						|
    }
 | 
						|
  },
 | 
						|
  browserslist_config: {
 | 
						|
    matches: [],
 | 
						|
    regexp: /^browserslist config$/i,
 | 
						|
    needsPath: true,
 | 
						|
    select: function (context) {
 | 
						|
      return browserslist(undefined, context)
 | 
						|
    }
 | 
						|
  },
 | 
						|
  extends: {
 | 
						|
    matches: ['config'],
 | 
						|
    regexp: /^extends (.+)$/i,
 | 
						|
    needsPath: true,
 | 
						|
    select: function (context, node) {
 | 
						|
      return resolve(env.loadQueries(context, node.config), context)
 | 
						|
    }
 | 
						|
  },
 | 
						|
  defaults: {
 | 
						|
    matches: [],
 | 
						|
    regexp: /^defaults$/i,
 | 
						|
    select: function (context) {
 | 
						|
      return resolve(browserslist.defaults, context)
 | 
						|
    }
 | 
						|
  },
 | 
						|
  dead: {
 | 
						|
    matches: [],
 | 
						|
    regexp: /^dead$/i,
 | 
						|
    select: function (context) {
 | 
						|
      var dead = [
 | 
						|
        'Baidu >= 0',
 | 
						|
        'ie <= 11',
 | 
						|
        'ie_mob <= 11',
 | 
						|
        'bb <= 10',
 | 
						|
        'op_mob <= 12.1',
 | 
						|
        'samsung 4'
 | 
						|
      ]
 | 
						|
      return resolve(dead, context)
 | 
						|
    }
 | 
						|
  },
 | 
						|
  unknown: {
 | 
						|
    matches: [],
 | 
						|
    regexp: /^(\w+)$/i,
 | 
						|
    select: function (context, node) {
 | 
						|
      if (byName(node.query, context)) {
 | 
						|
        throw new BrowserslistError(
 | 
						|
          'Specify versions in Browserslist query for browser ' + node.query
 | 
						|
        )
 | 
						|
      } else {
 | 
						|
        throw unknownQuery(node.query)
 | 
						|
      }
 | 
						|
    }
 | 
						|
  }
 | 
						|
}
 | 
						|
 | 
						|
// Get and convert Can I Use data
 | 
						|
 | 
						|
;(function () {
 | 
						|
  for (var name in agents) {
 | 
						|
    var browser = agents[name]
 | 
						|
    browserslist.data[name] = {
 | 
						|
      name: name,
 | 
						|
      versions: normalize(agents[name].versions),
 | 
						|
      released: normalize(agents[name].versions.slice(0, -3)),
 | 
						|
      releaseDate: agents[name].release_date
 | 
						|
    }
 | 
						|
    fillUsage(browserslist.usage.global, name, browser.usage_global)
 | 
						|
 | 
						|
    browserslist.versionAliases[name] = {}
 | 
						|
    for (var i = 0; i < browser.versions.length; i++) {
 | 
						|
      var full = browser.versions[i]
 | 
						|
      if (!full) continue
 | 
						|
 | 
						|
      if (full.indexOf('-') !== -1) {
 | 
						|
        var interval = full.split('-')
 | 
						|
        for (var j = 0; j < interval.length; j++) {
 | 
						|
          browserslist.versionAliases[name][interval[j]] = full
 | 
						|
        }
 | 
						|
      }
 | 
						|
    }
 | 
						|
  }
 | 
						|
 | 
						|
  browserslist.nodeVersions = jsReleases.map(function (release) {
 | 
						|
    return release.version
 | 
						|
  })
 | 
						|
})()
 | 
						|
 | 
						|
module.exports = browserslist
 |