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							- var jsReleases = require('node-releases/data/processed/envs.json')
 
- var agents = require('caniuse-lite/dist/unpacker/agents').agents
 
- var e2c = require('electron-to-chromium/versions')
 
- var jsEOL = require('node-releases/data/release-schedule/release-schedule.json')
 
- var path = require('path')
 
- var BrowserslistError = require('./error')
 
- var env = require('./node')
 
- var parseWithoutCache = require('./parse') // Will load browser.js in webpack
 
- var YEAR = 365.259641 * 24 * 60 * 60 * 1000
 
- var ANDROID_EVERGREEN_FIRST = '37'
 
- var OP_MOB_BLINK_FIRST = 14
 
- // Helpers
 
- function isVersionsMatch(versionA, versionB) {
 
-   return (versionA + '.').indexOf(versionB + '.') === 0
 
- }
 
- function isEolReleased(name) {
 
-   var version = name.slice(1)
 
-   return browserslist.nodeVersions.some(function (i) {
 
-     return isVersionsMatch(i, version)
 
-   })
 
- }
 
- function normalize(versions) {
 
-   return versions.filter(function (version) {
 
-     return typeof version === 'string'
 
-   })
 
- }
 
- function normalizeElectron(version) {
 
-   var versionToUse = version
 
-   if (version.split('.').length === 3) {
 
-     versionToUse = version.split('.').slice(0, -1).join('.')
 
-   }
 
-   return versionToUse
 
- }
 
- function nameMapper(name) {
 
-   return function mapName(version) {
 
-     return name + ' ' + version
 
-   }
 
- }
 
- function getMajor(version) {
 
-   return parseInt(version.split('.')[0])
 
- }
 
- function getMajorVersions(released, number) {
 
-   if (released.length === 0) return []
 
-   var majorVersions = uniq(released.map(getMajor))
 
-   var minimum = majorVersions[majorVersions.length - number]
 
-   if (!minimum) {
 
-     return released
 
-   }
 
-   var selected = []
 
-   for (var i = released.length - 1; i >= 0; i--) {
 
-     if (minimum > getMajor(released[i])) break
 
-     selected.unshift(released[i])
 
-   }
 
-   return selected
 
- }
 
- function uniq(array) {
 
-   var filtered = []
 
-   for (var i = 0; i < array.length; i++) {
 
-     if (filtered.indexOf(array[i]) === -1) filtered.push(array[i])
 
-   }
 
-   return filtered
 
- }
 
- function fillUsage(result, name, data) {
 
-   for (var i in data) {
 
-     result[name + ' ' + i] = data[i]
 
-   }
 
- }
 
- function generateFilter(sign, version) {
 
-   version = parseFloat(version)
 
-   if (sign === '>') {
 
-     return function (v) {
 
-       return parseLatestFloat(v) > version
 
-     }
 
-   } else if (sign === '>=') {
 
-     return function (v) {
 
-       return parseLatestFloat(v) >= version
 
-     }
 
-   } else if (sign === '<') {
 
-     return function (v) {
 
-       return parseFloat(v) < version
 
-     }
 
-   } else {
 
-     return function (v) {
 
-       return parseFloat(v) <= version
 
-     }
 
-   }
 
-   function parseLatestFloat(v) {
 
-     return parseFloat(v.split('-')[1] || v)
 
-   }
 
- }
 
- function generateSemverFilter(sign, version) {
 
-   version = version.split('.').map(parseSimpleInt)
 
-   version[1] = version[1] || 0
 
-   version[2] = version[2] || 0
 
-   if (sign === '>') {
 
-     return function (v) {
 
-       v = v.split('.').map(parseSimpleInt)
 
-       return compareSemver(v, version) > 0
 
-     }
 
-   } else if (sign === '>=') {
 
-     return function (v) {
 
-       v = v.split('.').map(parseSimpleInt)
 
-       return compareSemver(v, version) >= 0
 
-     }
 
-   } else if (sign === '<') {
 
-     return function (v) {
 
-       v = v.split('.').map(parseSimpleInt)
 
-       return compareSemver(version, v) > 0
 
-     }
 
-   } else {
 
-     return function (v) {
 
-       v = v.split('.').map(parseSimpleInt)
 
-       return compareSemver(version, v) >= 0
 
-     }
 
-   }
 
- }
 
- function parseSimpleInt(x) {
 
-   return parseInt(x)
 
- }
 
- function compare(a, b) {
 
-   if (a < b) return -1
 
-   if (a > b) return +1
 
-   return 0
 
- }
 
- function compareSemver(a, b) {
 
-   return (
 
-     compare(parseInt(a[0]), parseInt(b[0])) ||
 
-     compare(parseInt(a[1] || '0'), parseInt(b[1] || '0')) ||
 
-     compare(parseInt(a[2] || '0'), parseInt(b[2] || '0'))
 
-   )
 
- }
 
- // this follows the npm-like semver behavior
 
- function semverFilterLoose(operator, range) {
 
-   range = range.split('.').map(parseSimpleInt)
 
-   if (typeof range[1] === 'undefined') {
 
-     range[1] = 'x'
 
-   }
 
-   // ignore any patch version because we only return minor versions
 
-   // range[2] = 'x'
 
-   switch (operator) {
 
-     case '<=':
 
-       return function (version) {
 
-         version = version.split('.').map(parseSimpleInt)
 
-         return compareSemverLoose(version, range) <= 0
 
-       }
 
-     case '>=':
 
-     default:
 
-       return function (version) {
 
-         version = version.split('.').map(parseSimpleInt)
 
-         return compareSemverLoose(version, range) >= 0
 
-       }
 
-   }
 
- }
 
- // this follows the npm-like semver behavior
 
- function compareSemverLoose(version, range) {
 
-   if (version[0] !== range[0]) {
 
-     return version[0] < range[0] ? -1 : +1
 
-   }
 
-   if (range[1] === 'x') {
 
-     return 0
 
-   }
 
-   if (version[1] !== range[1]) {
 
-     return version[1] < range[1] ? -1 : +1
 
-   }
 
-   return 0
 
- }
 
- function resolveVersion(data, version) {
 
-   if (data.versions.indexOf(version) !== -1) {
 
-     return version
 
-   } else if (browserslist.versionAliases[data.name][version]) {
 
-     return browserslist.versionAliases[data.name][version]
 
-   } else {
 
-     return false
 
-   }
 
- }
 
- function normalizeVersion(data, version) {
 
-   var resolved = resolveVersion(data, version)
 
-   if (resolved) {
 
-     return resolved
 
-   } else if (data.versions.length === 1) {
 
-     return data.versions[0]
 
-   } else {
 
-     return false
 
-   }
 
- }
 
- function filterByYear(since, context) {
 
-   since = since / 1000
 
-   return Object.keys(agents).reduce(function (selected, name) {
 
-     var data = byName(name, context)
 
-     if (!data) return selected
 
-     var versions = Object.keys(data.releaseDate).filter(function (v) {
 
-       var date = data.releaseDate[v]
 
-       return date !== null && date >= since
 
-     })
 
-     return selected.concat(versions.map(nameMapper(data.name)))
 
-   }, [])
 
- }
 
- function cloneData(data) {
 
-   return {
 
-     name: data.name,
 
-     versions: data.versions,
 
-     released: data.released,
 
-     releaseDate: data.releaseDate
 
-   }
 
- }
 
- function byName(name, context) {
 
-   name = name.toLowerCase()
 
-   name = browserslist.aliases[name] || name
 
-   if (context.mobileToDesktop && browserslist.desktopNames[name]) {
 
-     var desktop = browserslist.data[browserslist.desktopNames[name]]
 
-     if (name === 'android') {
 
-       return normalizeAndroidData(cloneData(browserslist.data[name]), desktop)
 
-     } else {
 
-       var cloned = cloneData(desktop)
 
-       cloned.name = name
 
-       return cloned
 
-     }
 
-   }
 
-   return browserslist.data[name]
 
- }
 
- function normalizeAndroidVersions(androidVersions, chromeVersions) {
 
-   var iFirstEvergreen = chromeVersions.indexOf(ANDROID_EVERGREEN_FIRST)
 
-   return androidVersions
 
-     .filter(function (version) {
 
-       return /^(?:[2-4]\.|[34]$)/.test(version)
 
-     })
 
-     .concat(chromeVersions.slice(iFirstEvergreen))
 
- }
 
- function copyObject(obj) {
 
-   var copy = {}
 
-   for (var key in obj) {
 
-     copy[key] = obj[key]
 
-   }
 
-   return copy
 
- }
 
- function normalizeAndroidData(android, chrome) {
 
-   android.released = normalizeAndroidVersions(android.released, chrome.released)
 
-   android.versions = normalizeAndroidVersions(android.versions, chrome.versions)
 
-   android.releaseDate = copyObject(android.releaseDate)
 
-   android.released.forEach(function (v) {
 
-     if (android.releaseDate[v] === undefined) {
 
-       android.releaseDate[v] = chrome.releaseDate[v]
 
-     }
 
-   })
 
-   return android
 
- }
 
- function checkName(name, context) {
 
-   var data = byName(name, context)
 
-   if (!data) throw new BrowserslistError('Unknown browser ' + name)
 
-   return data
 
- }
 
- function unknownQuery(query) {
 
-   return new BrowserslistError(
 
-     'Unknown browser query `' +
 
-       query +
 
-       '`. ' +
 
-       'Maybe you are using old Browserslist or made typo in query.'
 
-   )
 
- }
 
- // Adjusts last X versions queries for some mobile browsers,
 
- // where caniuse data jumps from a legacy version to the latest
 
- function filterJumps(list, name, nVersions, context) {
 
-   var jump = 1
 
-   switch (name) {
 
-     case 'android':
 
-       if (context.mobileToDesktop) return list
 
-       var released = browserslist.data.chrome.released
 
-       jump = released.length - released.indexOf(ANDROID_EVERGREEN_FIRST)
 
-       break
 
-     case 'op_mob':
 
-       var latest = browserslist.data.op_mob.released.slice(-1)[0]
 
-       jump = getMajor(latest) - OP_MOB_BLINK_FIRST + 1
 
-       break
 
-     default:
 
-       return list
 
-   }
 
-   if (nVersions <= jump) {
 
-     return list.slice(-1)
 
-   }
 
-   return list.slice(jump - 1 - nVersions)
 
- }
 
- function isSupported(flags, withPartial) {
 
-   return (
 
-     typeof flags === 'string' &&
 
-     (flags.indexOf('y') >= 0 || (withPartial && flags.indexOf('a') >= 0))
 
-   )
 
- }
 
- function resolve(queries, context) {
 
-   return parseQueries(queries).reduce(function (result, node, index) {
 
-     if (node.not && index === 0) {
 
-       throw new BrowserslistError(
 
-         'Write any browsers query (for instance, `defaults`) ' +
 
-           'before `' +
 
-           node.query +
 
-           '`'
 
-       )
 
-     }
 
-     var type = QUERIES[node.type]
 
-     var array = type.select.call(browserslist, context, node).map(function (j) {
 
-       var parts = j.split(' ')
 
-       if (parts[1] === '0') {
 
-         return parts[0] + ' ' + byName(parts[0], context).versions[0]
 
-       } else {
 
-         return j
 
-       }
 
-     })
 
-     if (node.compose === 'and') {
 
-       if (node.not) {
 
-         return result.filter(function (j) {
 
-           return array.indexOf(j) === -1
 
-         })
 
-       } else {
 
-         return result.filter(function (j) {
 
-           return array.indexOf(j) !== -1
 
-         })
 
-       }
 
-     } else {
 
-       if (node.not) {
 
-         var filter = {}
 
-         array.forEach(function (j) {
 
-           filter[j] = true
 
-         })
 
-         return result.filter(function (j) {
 
-           return !filter[j]
 
-         })
 
-       }
 
-       return result.concat(array)
 
-     }
 
-   }, [])
 
- }
 
- function prepareOpts(opts) {
 
-   if (typeof opts === 'undefined') opts = {}
 
-   if (typeof opts.path === 'undefined') {
 
-     opts.path = path.resolve ? path.resolve('.') : '.'
 
-   }
 
-   return opts
 
- }
 
- function prepareQueries(queries, opts) {
 
-   if (typeof queries === 'undefined' || queries === null) {
 
-     var config = browserslist.loadConfig(opts)
 
-     if (config) {
 
-       queries = config
 
-     } else {
 
-       queries = browserslist.defaults
 
-     }
 
-   }
 
-   return queries
 
- }
 
- function checkQueries(queries) {
 
-   if (!(typeof queries === 'string' || Array.isArray(queries))) {
 
-     throw new BrowserslistError(
 
-       'Browser queries must be an array or string. Got ' + typeof queries + '.'
 
-     )
 
-   }
 
- }
 
- var cache = {}
 
- var parseCache = {}
 
- 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
 
- }
 
- 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 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]
 
-     }
 
-   }
 
-   var versions = Object.keys(usage).sort(function (a, b) {
 
-     return usage[b] - usage[a]
 
-   })
 
-   var coveraged = 0
 
-   var result = []
 
-   var version
 
-   for (var i = 0; i < versions.length; i++) {
 
-     version = versions[i]
 
-     if (usage[version] === 0) break
 
-     coveraged += usage[version]
 
-     result.push(version)
 
-     if (coveraged >= 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
 
-   },
 
-   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 stats = env.loadStat(context, node.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')
 
-       }
 
-       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_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
 
-   },
 
-   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 128']
 
-     }
 
-   },
 
-   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
 
 
  |