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Diffstat (limited to 'node_modules/browserslist/index.js')
| -rw-r--r-- | node_modules/browserslist/index.js | 996 |
1 files changed, 996 insertions, 0 deletions
diff --git a/node_modules/browserslist/index.js b/node_modules/browserslist/index.js new file mode 100644 index 0000000..dd4dfea --- /dev/null +++ b/node_modules/browserslist/index.js @@ -0,0 +1,996 @@ +var jsReleases = require('node-releases/data/processed/envs.json') +var agents = require('caniuse-lite/dist/unpacker/agents').agents +var jsEOL = require('node-releases/data/release-schedule/release-schedule.json') +var path = require('path') +var e2c = require('electron-to-chromium/versions') + +var BrowserslistError = require('./error') +var env = require('./node') // Will load browser.js in webpack + +var FLOAT_RANGE = /^\d+(\.\d+)?(-\d+(\.\d+)?)*$/ +var YEAR = 365.259641 * 24 * 60 * 60 * 1000 + +var QUERY_OR = 1 +var QUERY_AND = 2 + +function isVersionsMatch (versionA, versionB) { + return (versionA + '.').indexOf(versionB + '.') === 0 +} + +function isEolReleased (name) { + var version = name.slice(1) + return jsReleases.some(function (i) { + return isVersionsMatch(i.version, 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 minimum = getMajor(released[released.length - 1]) - parseInt(number) + 1 + 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 +} + +// Helpers + +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 parseFloat(v) > version + } + } else if (sign === '>=') { + return function (v) { + return parseFloat(v) >= version + } + } else if (sign === '<') { + return function (v) { + return parseFloat(v) < version + } + } else { + return function (v) { + return parseFloat(v) <= version + } + } +} + +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(a[0], b[0]) || + compare(a[1], b[1]) || + compare(a[2], b[2]) + ) +} + +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, context) { + var resolved = resolveVersion(data, version) + if ( + !resolved && + context.mobileToDesktop && + browserslist.desktopNames[data.name] + ) { + var alias = checkName(browserslist.desktopNames[data.name]) + resolved = resolveVersion(alias, version) + } + if (resolved) { + return resolved + } else if (data.versions.length === 1) { + return data.versions[0] + } else { + return false + } +} + +function filterByYear (since) { + since = since / 1000 + return Object.keys(agents).reduce(function (selected, name) { + var data = byName(name) + if (!data) return selected + var versions = Object.keys(data.releaseDate).filter(function (v) { + return data.releaseDate[v] >= since + }) + return selected.concat(versions.map(nameMapper(data.name))) + }, []) +} + +function byName (name) { + name = name.toLowerCase() + name = browserslist.aliases[name] || name + return browserslist.data[name] +} + +function checkName (name) { + var data = byName(name) + 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.' + ) +} + +function filterAndroid (list, versions) { + var released = browserslist.data.android.released + var firstEvergreen = 37 + var last = released[released.length - 1] + var diff = last - firstEvergreen - versions // First Android Evergreen + if (diff > 0) { + return list.slice(-1) + } else { + return list.slice(diff - 1) + } +} + +/** + * Resolves queries into a browser list. + * @param {string|string[]} queries Queries to combine. + * Either an array of queries or a long string of queries. + * @param {object} [context] Optional arguments to + * the select function in `queries`. + * @returns {string[]} A list of browsers + */ +function resolve (queries, context) { + if (Array.isArray(queries)) { + queries = flatten(queries.map(parse)) + } else { + queries = parse(queries) + } + + return queries.reduce(function (result, query, index) { + var selection = query.queryString + + var isExclude = selection.indexOf('not ') === 0 + if (isExclude) { + if (index === 0) { + throw new BrowserslistError( + 'Write any browsers query (for instance, `defaults`) ' + + 'before `' + selection + '`') + } + selection = selection.slice(4) + } + + for (var i = 0; i < QUERIES.length; i++) { + var type = QUERIES[i] + var match = selection.match(type.regexp) + if (match) { + var args = [context].concat(match.slice(1)) + var array = type.select.apply(browserslist, args).map(function (j) { + var parts = j.split(' ') + if (parts[1] === '0') { + return parts[0] + ' ' + byName(parts[0]).versions[0] + } else { + return j + } + }) + + switch (query.type) { + case QUERY_AND: + if (isExclude) { + return result.filter(function (j) { + return array.indexOf(j) === -1 + }) + } else { + return result.filter(function (j) { + return array.indexOf(j) !== -1 + }) + } + case QUERY_OR: + default: + if (isExclude) { + var filter = { } + array.forEach(function (j) { + filter[j] = true + }) + return result.filter(function (j) { + return !filter[j] + }) + } + return result.concat(array) + } + } + } + + throw unknownQuery(selection) + }, []) +} + +/** + * Return array of browsers by selection queries. + * + * @param {(string|string[])} [queries=browserslist.defaults] Browser queries. + * @param {object} [opts] Options. + * @param {string} [opts.path="."] Path to processed file. + * It will be used to find config files. + * @param {string} [opts.env="production"] Processing environment. + * It will be used to take right + * queries from config file. + * @param {string} [opts.config] Path to config file with queries. + * @param {object} [opts.stats] Custom browser usage statistics + * for "> 1% in my stats" query. + * @param {boolean} [opts.ignoreUnknownVersions=false] Do not throw on unknown + * version in direct query. + * @param {boolean} [opts.dangerousExtend] Disable security checks + * for extend query. + * @param {boolean} [opts.mobileToDesktop] Alias mobile browsers to the desktop + * version when Can I Use doesn't have + * data about the specified version. + * @returns {string[]} Array with browser names in Can I Use. + * + * @example + * browserslist('IE >= 10, IE 8') //=> ['ie 11', 'ie 10', 'ie 8'] + */ +function browserslist (queries, opts) { + if (typeof opts === 'undefined') opts = { } + + if (typeof opts.path === 'undefined') { + opts.path = path.resolve ? path.resolve('.') : '.' + } + + if (typeof queries === 'undefined' || queries === null) { + var config = browserslist.loadConfig(opts) + if (config) { + queries = config + } else { + queries = browserslist.defaults + } + } + + if (!(typeof queries === 'string' || Array.isArray(queries))) { + throw new BrowserslistError( + 'Browser queries must be an array or string. Got ' + typeof queries + '.') + } + + var context = { + ignoreUnknownVersions: opts.ignoreUnknownVersions, + dangerousExtend: opts.dangerousExtend, + mobileToDesktop: opts.mobileToDesktop + } + + 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 result = resolve(queries, context).sort(function (name1, name2) { + name1 = name1.split(' ') + name2 = name2.split(' ') + if (name1[0] === name2[0]) { + if (FLOAT_RANGE.test(name1[1]) && FLOAT_RANGE.test(name2[1])) { + return parseFloat(name2[1]) - parseFloat(name1[1]) + } else { + return compare(name2[1], name1[1]) + } + } else { + return compare(name1[0], name2[0]) + } + }) + + return uniq(result) +} + +function parse (queries) { + var qs = [] + do { + queries = doMatch(queries, qs) + } while (queries) + return qs +} + +function doMatch (string, qs) { + var or = /^(?:,\s*|\s+OR\s+)(.*)/i + var and = /^\s+AND\s+(.*)/i + + return find(string, function (parsed, n, max) { + if (and.test(parsed)) { + qs.unshift({ type: QUERY_AND, queryString: parsed.match(and)[1] }) + return true + } else if (or.test(parsed)) { + qs.unshift({ type: QUERY_OR, queryString: parsed.match(or)[1] }) + return true + } else if (n === max) { + qs.unshift({ type: QUERY_OR, queryString: parsed.trim() }) + return true + } + return false + }) +} + +function find (string, predicate) { + for (var n = 1, max = string.length; n <= max; n++) { + var parsed = string.substr(-n, n) + if (predicate(parsed, n, max)) { + return string.slice(0, -n) + } + } + return '' +} + +function flatten (array) { + if (!Array.isArray(array)) return [array] + return array.reduce(function (a, b) { + return a.concat(flatten(b)) + }, []) +} + +// Will be filled by Can I Use data below +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 +browserslist.desktopNames = { + and_chr: 'chrome', + and_ff: 'firefox', + ie_mob: 'ie', + op_mob: 'opera' +} + +// 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.findConfig = env.findConfig +browserslist.loadConfig = env.loadConfig + +/** + * Return browsers market coverage. + * + * @param {string[]} browsers Browsers names in Can I Use. + * @param {string|object} [stats="global"] Which statistics should be used. + * Country code or custom statistics. + * Pass `"my stats"` to load statistics + * from Browserslist files. + * + * @return {number} Total market coverage for all selected browsers. + * + * @example + * browserslist.coverage(browserslist('> 1% in US'), 'US') //=> 83.1 + */ +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) + 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) +} + +var QUERIES = [ + { + regexp: /^last\s+(\d+)\s+major\s+versions?$/i, + select: function (context, versions) { + return Object.keys(agents).reduce(function (selected, name) { + var data = byName(name) + if (!data) return selected + var list = getMajorVersions(data.released, versions) + list = list.map(nameMapper(data.name)) + if (data.name === 'android') list = filterAndroid(list, versions) + return selected.concat(list) + }, []) + } + }, + { + regexp: /^last\s+(\d+)\s+versions?$/i, + select: function (context, versions) { + return Object.keys(agents).reduce(function (selected, name) { + var data = byName(name) + if (!data) return selected + var list = data.released.slice(-versions) + list = list.map(nameMapper(data.name)) + if (data.name === 'android') list = filterAndroid(list, versions) + return selected.concat(list) + }, []) + } + }, + { + regexp: /^last\s+(\d+)\s+electron\s+major\s+versions?$/i, + select: function (context, versions) { + var validVersions = getMajorVersions(Object.keys(e2c).reverse(), versions) + return validVersions.map(function (i) { + return 'chrome ' + e2c[i] + }) + } + }, + { + regexp: /^last\s+(\d+)\s+(\w+)\s+major\s+versions?$/i, + select: function (context, versions, name) { + var data = checkName(name) + var validVersions = getMajorVersions(data.released, versions) + var list = validVersions.map(nameMapper(data.name)) + if (data.name === 'android') list = filterAndroid(list, versions) + return list + } + }, + { + regexp: /^last\s+(\d+)\s+electron\s+versions?$/i, + select: function (context, versions) { + return Object.keys(e2c).reverse().slice(-versions).map(function (i) { + return 'chrome ' + e2c[i] + }) + } + }, + { + regexp: /^last\s+(\d+)\s+(\w+)\s+versions?$/i, + select: function (context, versions, name) { + var data = checkName(name) + var list = data.released.slice(-versions).map(nameMapper(data.name)) + if (data.name === 'android') list = filterAndroid(list, versions) + return list + } + }, + { + regexp: /^unreleased\s+versions$/i, + select: function () { + return Object.keys(agents).reduce(function (selected, name) { + var data = byName(name) + if (!data) return selected + var list = data.versions.filter(function (v) { + return data.released.indexOf(v) === -1 + }) + list = list.map(nameMapper(data.name)) + return selected.concat(list) + }, []) + } + }, + { + regexp: /^unreleased\s+electron\s+versions?$/i, + select: function () { + return [] + } + }, + { + regexp: /^unreleased\s+(\w+)\s+versions?$/i, + select: function (context, name) { + var data = checkName(name) + return data.versions.filter(function (v) { + return data.released.indexOf(v) === -1 + }).map(nameMapper(data.name)) + } + }, + { + regexp: /^last\s+(\d*.?\d+)\s+years?$/i, + select: function (context, years) { + return filterByYear(Date.now() - YEAR * years) + } + }, + { + regexp: /^since (\d+)(?:-(\d+))?(?:-(\d+))?$/i, + select: function (context, year, month, date) { + year = parseInt(year) + month = parseInt(month || '01') - 1 + date = parseInt(date || '01') + return filterByYear(Date.UTC(year, month, date, 0, 0, 0)) + } + }, + { + regexp: /^(>=?|<=?)\s*(\d*\.?\d+)%$/, + 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() + } + env.loadCountry(browserslist.usage, 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: /^cover\s+(\d*\.?\d+)%(\s+in\s+(my\s+stats|(alt-)?\w\w))?$/, + select: function (context, coverage, statMode) { + coverage = parseFloat(coverage) + var usage = browserslist.usage.global + if (statMode) { + if (statMode.match(/^\s+in\s+my\s+stats$/)) { + if (!context.customUsage) { + throw new BrowserslistError( + 'Custom usage statistics was not provided' + ) + } + usage = context.customUsage + } else { + var match = statMode.match(/\s+in\s+((alt-)?\w\w)/) + var place = match[1] + if (place.length === 2) { + place = place.toUpperCase() + } else { + place = place.toLowerCase() + } + env.loadCountry(browserslist.usage, place) + 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 + } + }, + { + regexp: /^electron\s+([\d.]+)\s*-\s*([\d.]+)$/i, + select: function (context, from, to) { + var fromToUse = normalizeElectron(from) + var toToUse = normalizeElectron(to) + if (!e2c[fromToUse]) { + throw new BrowserslistError('Unknown version ' + from + ' of electron') + } + if (!e2c[toToUse]) { + throw new BrowserslistError('Unknown version ' + to + ' of electron') + } + from = parseFloat(from) + to = parseFloat(to) + return Object.keys(e2c).filter(function (i) { + var parsed = parseFloat(i) + return parsed >= from && parsed <= to + }).map(function (i) { + return 'chrome ' + e2c[i] + }) + } + }, + { + regexp: /^(\w+)\s+([\d.]+)\s*-\s*([\d.]+)$/i, + select: function (context, name, from, to) { + var data = checkName(name) + from = parseFloat(normalizeVersion(data, from, context) || from) + to = parseFloat(normalizeVersion(data, to, context) || 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.]+)$/i, + select: function (context, sign, version) { + var versionToUse = normalizeElectron(version) + return Object.keys(e2c) + .filter(generateFilter(sign, versionToUse)) + .map(function (i) { + return 'chrome ' + e2c[i] + }) + } + }, + { + regexp: /^node\s*(>=?|<=?)\s*([\d.]+)$/i, + select: function (context, sign, version) { + var nodeVersions = jsReleases.filter(function (i) { + return i.name === 'nodejs' + }).map(function (i) { + return i.version + }) + return nodeVersions + .filter(generateSemverFilter(sign, version)) + .map(function (v) { + return 'node ' + v + }) + } + }, + { + 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 68', 'firefox 60'] + } + }, + { + regexp: /(operamini|op_mini)\s+all/i, + select: function () { + return ['op_mini all'] + } + }, + { + regexp: /^electron\s+([\d.]+)$/i, + select: function (context, version) { + var versionToUse = normalizeElectron(version) + var chrome = e2c[versionToUse] + if (!chrome) { + throw new BrowserslistError( + 'Unknown version ' + version + ' of electron') + } + return ['chrome ' + chrome] + } + }, + { + regexp: /^node\s+(\d+(\.\d+)?(\.\d+)?)$/i, + select: function (context, version) { + var nodeReleases = jsReleases.filter(function (i) { + return i.name === 'nodejs' + }) + var matched = nodeReleases.filter(function (i) { + return isVersionsMatch(i.version, version) + }) + if (matched.length === 0) { + if (context.ignoreUnknownVersions) { + return [] + } else { + throw new BrowserslistError( + 'Unknown version ' + version + ' of Node.js') + } + } + return ['node ' + matched[matched.length - 1].version] + } + }, + { + regexp: /^current\s+node$/i, + select: function (context) { + return [env.currentNode(resolve, context)] + } + }, + { + regexp: /^maintained\s+node\s+versions$/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) + } + }, + { + regexp: /^phantomjs\s+1.9$/i, + select: function () { + return ['safari 5'] + } + }, + { + regexp: /^phantomjs\s+2.1$/i, + select: function () { + return ['safari 6'] + } + }, + { + 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, context) + if (alias) { + version = alias + } else { + if (version.indexOf('.') === -1) { + alias = version + '.0' + } else { + alias = version.replace(/\.0$/, '') + } + alias = normalizeVersion(data, alias, context) + if (alias) { + version = alias + } else if (context.ignoreUnknownVersions) { + return [] + } else { + throw new BrowserslistError( + 'Unknown version ' + version + ' of ' + name) + } + } + return [data.name + ' ' + version] + } + }, + { + regexp: /^extends (.+)$/i, + select: function (context, name) { + return resolve(env.loadQueries(context, name), context) + } + }, + { + regexp: /^defaults$/i, + select: function () { + return browserslist(browserslist.defaults) + } + }, + { + regexp: /^dead$/i, + select: function (context) { + var dead = [ + 'ie <= 10', 'ie_mob <= 10', + 'bb <= 10', + 'op_mob <= 12.1', + 'samsung 4' + ] + return resolve(dead, context) + } + }, + { + regexp: /^(\w+)$/i, + select: function (context, name) { + if (byName(name)) { + throw new BrowserslistError( + 'Specify versions in Browserslist query for browser ' + name) + } else { + throw unknownQuery(name) + } + } + } +]; + +// 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 |