672 lines
18 KiB
JavaScript
672 lines
18 KiB
JavaScript
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var path = require('path')
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var e2c = require('electron-to-chromium/versions')
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var agents = require('caniuse-lite/dist/unpacker/agents').agents
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var region = require('caniuse-lite/dist/unpacker/region').default
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var BrowserslistError = require('./error')
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var env = require('./node') // Will load browser.js in webpack
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var FLOAT_RANGE = /^\d+(\.\d+)?(-\d+(\.\d+)?)*$/
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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 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 minimum = getMajor(released[released.length - 1]) - parseInt(number) + 1
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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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// Helpers
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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 parseFloat(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 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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}
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function compareStrings (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 normalizeVersion (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 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 loadCountryStatistics (country) {
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country = country.replace(/[^\w-]/g, '')
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if (!browserslist.usage[country]) {
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var usage = { }
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// eslint-disable-next-line security/detect-non-literal-require
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var compressed = require('caniuse-lite/data/regions/' + country + '.js')
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var data = region(compressed)
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for (var i in data) {
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fillUsage(usage, i, data[i])
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}
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browserslist.usage[country] = usage
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}
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}
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function filterByYear (since) {
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return Object.keys(agents).reduce(function (selected, name) {
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var data = byName(name)
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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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return data.releaseDate[v] >= 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 byName (name) {
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name = name.toLowerCase()
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name = browserslist.aliases[name] || name
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return browserslist.data[name]
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}
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function checkName (name) {
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var data = byName(name)
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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 resolve (queries, context) {
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return queries.reduce(function (result, selection, index) {
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selection = selection.trim()
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if (selection === '') return result
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var isExclude = selection.indexOf('not ') === 0
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if (isExclude) {
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if (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 `' + selection + '`')
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}
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selection = selection.slice(4)
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}
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for (var i = 0; i < QUERIES.length; i++) {
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var type = QUERIES[i]
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var match = selection.match(type.regexp)
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if (match) {
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var args = [context].concat(match.slice(1))
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var array = type.select.apply(browserslist, args)
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if (isExclude) {
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array = array.concat(array.map(function (j) {
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return j.replace(/\s\d+/, ' 0')
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}))
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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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return result.concat(array)
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}
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}
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throw new BrowserslistError('Unknown browser query `' + selection + '`')
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}, [])
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}
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/**
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* Return array of browsers by selection queries.
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*
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* @param {(string|string[])} [queries=browserslist.defaults] Browser queries.
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* @param {object} opts Options.
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* @param {string} [opts.path="."] Path to processed file.
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* It will be used to find config files.
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* @param {string} [opts.env="development"] Processing environment.
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* It will be used to take right
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* queries from config file.
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* @param {string} [opts.config] Path to config file with queries.
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* @param {object} [opts.stats] Custom browser usage statistics
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* for "> 1% in my stats" query.
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* @return {string[]} Array with browser names in Can I Use.
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*
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* @example
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* browserslist('IE >= 10, IE 8') //=> ['ie 11', 'ie 10', 'ie 8']
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*/
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function browserslist (queries, opts) {
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if (typeof opts === 'undefined') opts = { }
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if (!opts.hasOwnProperty('path')) {
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opts.path = path.resolve ? path.resolve('.') : '.'
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}
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if (typeof queries === 'undefined' || queries === null) {
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var config = env.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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if (typeof queries === 'string') {
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queries = queries.split(/,\s*/)
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}
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if (!Array.isArray(queries)) {
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throw new BrowserslistError(
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'Browser queries must be an array. Got ' + typeof queries + '.')
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}
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var context = { dangerousExtend: opts.dangerousExtend }
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var stats = env.getStat(opts)
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if (stats) {
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if ('dataByBrowser' in stats) {
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stats = stats.dataByBrowser
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}
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context.customUsage = { }
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for (var browser in stats) {
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fillUsage(context.customUsage, browser, stats[browser])
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}
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}
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var result = resolve(queries, context).map(function (i) {
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var parts = i.split(' ')
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var name = parts[0]
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var version = parts[1]
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if (version === '0') {
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return name + ' ' + byName(name).versions[0]
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} else {
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return i
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}
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}).sort(function (name1, name2) {
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name1 = name1.split(' ')
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name2 = name2.split(' ')
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if (name1[0] === name2[0]) {
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if (FLOAT_RANGE.test(name1[1]) && FLOAT_RANGE.test(name2[1])) {
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return parseFloat(name2[1]) - parseFloat(name1[1])
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} else {
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return compareStrings(name2[1], name1[1])
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}
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} else {
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return compareStrings(name1[0], name2[0])
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}
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})
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return uniq(result)
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}
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// Will be filled by Can I Use data below
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browserslist.data = { }
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browserslist.usage = {
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global: { },
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custom: null
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}
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// Default browsers query
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browserslist.defaults = [
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'> 1%',
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'last 2 versions',
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'Firefox ESR'
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]
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// Browser names aliases
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browserslist.aliases = {
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fx: 'firefox',
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ff: 'firefox',
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ios: 'ios_saf',
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explorer: 'ie',
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blackberry: 'bb',
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explorermobile: 'ie_mob',
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operamini: 'op_mini',
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operamobile: 'op_mob',
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chromeandroid: 'and_chr',
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firefoxandroid: 'and_ff',
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ucandroid: 'and_uc',
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qqandroid: 'and_qq'
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}
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// Aliases to work with joined versions like `ios_saf 7.0-7.1`
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browserslist.versionAliases = { }
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browserslist.clearCaches = env.clearCaches
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browserslist.parseConfig = env.parseConfig
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browserslist.readConfig = env.readConfig
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browserslist.findConfig = env.findConfig
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/**
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* Return browsers market coverage.
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*
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* @param {string[]} browsers Browsers names in Can I Use.
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* @param {string} [country="global"] Which country statistics should be used.
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*
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* @return {number} Total market coverage for all selected browsers.
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*
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* @example
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* browserslist.coverage(browserslist('> 1% in US'), 'US') //=> 83.1
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*/
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browserslist.coverage = function (browsers, country) {
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if (country && country !== 'global') {
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if (country.length > 2) {
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country = country.toLowerCase()
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} else {
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country = country.toUpperCase()
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}
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loadCountryStatistics(country)
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} else {
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country = 'global'
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}
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return browsers.reduce(function (all, i) {
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var usage = browserslist.usage[country][i]
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if (usage === undefined) {
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usage = browserslist.usage[country][i.replace(/ [\d.]+$/, ' 0')]
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}
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return all + (usage || 0)
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}, 0)
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}
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var QUERIES = [
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{
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regexp: /^last\s+(\d+)\s+major versions?$/i,
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select: function (context, versions) {
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return Object.keys(agents).reduce(function (selected, name) {
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var data = byName(name)
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if (!data) return selected
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var array = getMajorVersions(data.released, versions)
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array = array.map(nameMapper(data.name))
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return selected.concat(array)
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}, [])
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}
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},
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{
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regexp: /^last\s+(\d+)\s+versions?$/i,
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select: function (context, versions) {
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return Object.keys(agents).reduce(function (selected, name) {
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var data = byName(name)
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if (!data) return selected
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var array = data.released.slice(-versions)
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array = array.map(nameMapper(data.name))
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return selected.concat(array)
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}, [])
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}
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},
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{
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regexp: /^last\s+(\d+)\s+electron\s+major versions?$/i,
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select: function (context, versions) {
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var validVersions = getMajorVersions(Object.keys(e2c).reverse(), versions)
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return validVersions.map(function (i) {
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return 'chrome ' + e2c[i]
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})
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}
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},
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{
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regexp: /^last\s+(\d+)\s+(\w+)\s+major versions?$/i,
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select: function (context, versions, name) {
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var data = checkName(name)
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var validVersions = getMajorVersions(data.released, versions)
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return validVersions.map(nameMapper(data.name))
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}
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},
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{
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regexp: /^last\s+(\d+)\s+electron\s+versions?$/i,
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select: function (context, versions) {
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return Object.keys(e2c).reverse().slice(-versions).map(function (i) {
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return 'chrome ' + e2c[i]
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})
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}
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},
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{
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regexp: /^last\s+(\d+)\s+(\w+)\s+versions?$/i,
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select: function (context, versions, name) {
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var data = checkName(name)
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return data.released.slice(-versions).map(nameMapper(data.name))
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}
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},
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{
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regexp: /^unreleased\s+versions$/i,
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select: function () {
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return Object.keys(agents).reduce(function (selected, name) {
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var data = byName(name)
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if (!data) return selected
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var array = data.versions.filter(function (v) {
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return data.released.indexOf(v) === -1
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})
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|
|
||
|
|
array = array.map(nameMapper(data.name))
|
||
|
|
return selected.concat(array)
|
||
|
|
}, [])
|
||
|
|
}
|
||
|
|
},
|
||
|
|
{
|
||
|
|
regexp: /^unreleased\s+electron\s+versions?$/i,
|
||
|
|
select: function () {
|
||
|
|
return []
|
||
|
|
}
|
||
|
|
},
|
||
|
|
{
|
||
|
|
regexp: /^unreleased\s+(\w+)\s+versions?$/i,
|
||
|
|
select: function (context, name) {
|
||
|
|
var data = checkName(name)
|
||
|
|
return data.versions.filter(function (v) {
|
||
|
|
return data.released.indexOf(v) === -1
|
||
|
|
}).map(nameMapper(data.name))
|
||
|
|
}
|
||
|
|
},
|
||
|
|
{
|
||
|
|
regexp: /^last\s+(\d+)\s+years?$/i,
|
||
|
|
select: function (context, years) {
|
||
|
|
var date = new Date()
|
||
|
|
var since = date.setFullYear(date.getFullYear() - years) / 1000
|
||
|
|
|
||
|
|
return filterByYear(since)
|
||
|
|
}
|
||
|
|
},
|
||
|
|
{
|
||
|
|
regexp: /^since (\d+)(?:-(\d+))?(?:-(\d+))?$/i,
|
||
|
|
select: function (context, year, month, date) {
|
||
|
|
year = parseInt(year)
|
||
|
|
month = parseInt(month || '01') - 1
|
||
|
|
date = parseInt(date || '01')
|
||
|
|
var since = Date.UTC(year, month, date, 0, 0, 0) / 1000
|
||
|
|
|
||
|
|
return filterByYear(since)
|
||
|
|
}
|
||
|
|
},
|
||
|
|
{
|
||
|
|
regexp: /^(>=?|<=?)\s*(\d*\.?\d+)%$/,
|
||
|
|
select: function (context, sign, popularity) {
|
||
|
|
popularity = parseFloat(popularity)
|
||
|
|
var usage = browserslist.usage.global
|
||
|
|
|
||
|
|
return Object.keys(usage).reduce(function (result, version) {
|
||
|
|
if (sign === '>') {
|
||
|
|
if (usage[version] > popularity) {
|
||
|
|
result.push(version)
|
||
|
|
}
|
||
|
|
} else if (sign === '<') {
|
||
|
|
if (usage[version] < popularity) {
|
||
|
|
result.push(version)
|
||
|
|
}
|
||
|
|
} else if (sign === '<=') {
|
||
|
|
if (usage[version] <= popularity) {
|
||
|
|
result.push(version)
|
||
|
|
}
|
||
|
|
} else if (usage[version] >= popularity) {
|
||
|
|
result.push(version)
|
||
|
|
}
|
||
|
|
return result
|
||
|
|
}, [])
|
||
|
|
}
|
||
|
|
},
|
||
|
|
{
|
||
|
|
regexp: /^(>=?|<=?)\s*(\d*\.?\d+)%\s+in\s+my\s+stats$/,
|
||
|
|
select: function (context, sign, popularity) {
|
||
|
|
popularity = parseFloat(popularity)
|
||
|
|
|
||
|
|
if (!context.customUsage) {
|
||
|
|
throw new BrowserslistError('Custom usage statistics was not provided')
|
||
|
|
}
|
||
|
|
|
||
|
|
var usage = context.customUsage
|
||
|
|
|
||
|
|
return Object.keys(usage).reduce(function (result, version) {
|
||
|
|
if (sign === '>') {
|
||
|
|
if (usage[version] > popularity) {
|
||
|
|
result.push(version)
|
||
|
|
}
|
||
|
|
} else if (sign === '<') {
|
||
|
|
if (usage[version] < popularity) {
|
||
|
|
result.push(version)
|
||
|
|
}
|
||
|
|
} else if (sign === '<=') {
|
||
|
|
if (usage[version] <= popularity) {
|
||
|
|
result.push(version)
|
||
|
|
}
|
||
|
|
} else if (usage[version] >= popularity) {
|
||
|
|
result.push(version)
|
||
|
|
}
|
||
|
|
return result
|
||
|
|
}, [])
|
||
|
|
}
|
||
|
|
},
|
||
|
|
{
|
||
|
|
regexp: /^(>=?|<=?)\s*(\d*\.?\d+)%\s+in\s+((alt-)?\w\w)$/,
|
||
|
|
select: function (context, sign, popularity, place) {
|
||
|
|
popularity = parseFloat(popularity)
|
||
|
|
|
||
|
|
if (place.length === 2) {
|
||
|
|
place = place.toUpperCase()
|
||
|
|
} else {
|
||
|
|
place = place.toLowerCase()
|
||
|
|
}
|
||
|
|
|
||
|
|
loadCountryStatistics(place)
|
||
|
|
var usage = browserslist.usage[place]
|
||
|
|
|
||
|
|
return Object.keys(usage).reduce(function (result, version) {
|
||
|
|
if (sign === '>') {
|
||
|
|
if (usage[version] > popularity) {
|
||
|
|
result.push(version)
|
||
|
|
}
|
||
|
|
} else if (sign === '<') {
|
||
|
|
if (usage[version] < popularity) {
|
||
|
|
result.push(version)
|
||
|
|
}
|
||
|
|
} else if (sign === '<=') {
|
||
|
|
if (usage[version] <= popularity) {
|
||
|
|
result.push(version)
|
||
|
|
}
|
||
|
|
} else if (usage[version] >= popularity) {
|
||
|
|
result.push(version)
|
||
|
|
}
|
||
|
|
return result
|
||
|
|
}, [])
|
||
|
|
}
|
||
|
|
},
|
||
|
|
{
|
||
|
|
regexp: /^electron\s+([\d.]+)\s*-\s*([\d.]+)$/i,
|
||
|
|
select: function (context, from, to) {
|
||
|
|
if (!e2c[from]) {
|
||
|
|
throw new BrowserslistError('Unknown version ' + from + ' of electron')
|
||
|
|
}
|
||
|
|
if (!e2c[to]) {
|
||
|
|
throw new BrowserslistError('Unknown version ' + to + ' of electron')
|
||
|
|
}
|
||
|
|
|
||
|
|
from = parseFloat(from)
|
||
|
|
to = parseFloat(to)
|
||
|
|
|
||
|
|
return Object.keys(e2c).filter(function (i) {
|
||
|
|
var parsed = parseFloat(i)
|
||
|
|
return parsed >= from && parsed <= to
|
||
|
|
}).map(function (i) {
|
||
|
|
return 'chrome ' + e2c[i]
|
||
|
|
})
|
||
|
|
}
|
||
|
|
},
|
||
|
|
{
|
||
|
|
regexp: /^(\w+)\s+([\d.]+)\s*-\s*([\d.]+)$/i,
|
||
|
|
select: function (context, name, from, to) {
|
||
|
|
var data = checkName(name)
|
||
|
|
from = parseFloat(normalizeVersion(data, from) || from)
|
||
|
|
to = parseFloat(normalizeVersion(data, to) || to)
|
||
|
|
|
||
|
|
function filter (v) {
|
||
|
|
var parsed = parseFloat(v)
|
||
|
|
return parsed >= from && parsed <= to
|
||
|
|
}
|
||
|
|
|
||
|
|
return data.released.filter(filter).map(nameMapper(data.name))
|
||
|
|
}
|
||
|
|
},
|
||
|
|
{
|
||
|
|
regexp: /^electron\s*(>=?|<=?)\s*([\d.]+)$/i,
|
||
|
|
select: function (context, sign, version) {
|
||
|
|
return Object.keys(e2c)
|
||
|
|
.filter(generateFilter(sign, version))
|
||
|
|
.map(function (i) {
|
||
|
|
return 'chrome ' + e2c[i]
|
||
|
|
})
|
||
|
|
}
|
||
|
|
},
|
||
|
|
{
|
||
|
|
regexp: /^(\w+)\s*(>=?|<=?)\s*([\d.]+)$/,
|
||
|
|
select: function (context, name, sign, version) {
|
||
|
|
var data = checkName(name)
|
||
|
|
var alias = browserslist.versionAliases[data.name][version]
|
||
|
|
if (alias) {
|
||
|
|
version = alias
|
||
|
|
}
|
||
|
|
return data.released
|
||
|
|
.filter(generateFilter(sign, version))
|
||
|
|
.map(function (v) {
|
||
|
|
return data.name + ' ' + v
|
||
|
|
})
|
||
|
|
}
|
||
|
|
},
|
||
|
|
{
|
||
|
|
regexp: /^(firefox|ff|fx)\s+esr$/i,
|
||
|
|
select: function () {
|
||
|
|
return ['firefox 52']
|
||
|
|
}
|
||
|
|
},
|
||
|
|
{
|
||
|
|
regexp: /(operamini|op_mini)\s+all/i,
|
||
|
|
select: function () {
|
||
|
|
return ['op_mini all']
|
||
|
|
}
|
||
|
|
},
|
||
|
|
{
|
||
|
|
regexp: /^electron\s+([\d.]+)$/i,
|
||
|
|
select: function (context, version) {
|
||
|
|
var chrome = e2c[version]
|
||
|
|
if (!chrome) {
|
||
|
|
throw new BrowserslistError(
|
||
|
|
'Unknown version ' + version + ' of electron')
|
||
|
|
}
|
||
|
|
return ['chrome ' + chrome]
|
||
|
|
}
|
||
|
|
},
|
||
|
|
{
|
||
|
|
regexp: /^(\w+)\s+(tp|[\d.]+)$/i,
|
||
|
|
select: function (context, name, version) {
|
||
|
|
if (/^tp$/i.test(version)) version = 'TP'
|
||
|
|
var data = checkName(name)
|
||
|
|
var alias = normalizeVersion(data, version)
|
||
|
|
if (alias) {
|
||
|
|
version = alias
|
||
|
|
} else {
|
||
|
|
if (version.indexOf('.') === -1) {
|
||
|
|
alias = version + '.0'
|
||
|
|
} else if (/\.0$/.test(version)) {
|
||
|
|
alias = version.replace(/\.0$/, '')
|
||
|
|
}
|
||
|
|
alias = normalizeVersion(data, alias)
|
||
|
|
if (alias) {
|
||
|
|
version = alias
|
||
|
|
} else {
|
||
|
|
throw new BrowserslistError(
|
||
|
|
'Unknown version ' + version + ' of ' + name)
|
||
|
|
}
|
||
|
|
}
|
||
|
|
return [data.name + ' ' + version]
|
||
|
|
}
|
||
|
|
},
|
||
|
|
{
|
||
|
|
regexp: /^extends (.+)$/i,
|
||
|
|
select: function (context, name) {
|
||
|
|
return resolve(env.loadQueries(context, name), context)
|
||
|
|
}
|
||
|
|
},
|
||
|
|
{
|
||
|
|
regexp: /^defaults$/i,
|
||
|
|
select: function () {
|
||
|
|
return browserslist(browserslist.defaults)
|
||
|
|
}
|
||
|
|
}
|
||
|
|
];
|
||
|
|
|
||
|
|
// 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
|
||
|
|
}
|
||
|
|
}
|
||
|
|
}
|
||
|
|
}
|
||
|
|
}())
|
||
|
|
|
||
|
|
module.exports = browserslist
|