index.js 33 KB

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  1. var jsReleases = require('node-releases/data/processed/envs.json')
  2. var agents = require('caniuse-lite/dist/unpacker/agents').agents
  3. var jsEOL = require('node-releases/data/release-schedule/release-schedule.json')
  4. var path = require('path')
  5. var e2c = require('electron-to-chromium/versions')
  6. var BrowserslistError = require('./error')
  7. var env = require('./node') // Will load browser.js in webpack
  8. var YEAR = 365.259641 * 24 * 60 * 60 * 1000
  9. var ANDROID_EVERGREEN_FIRST = 37
  10. var QUERY_OR = 1
  11. var QUERY_AND = 2
  12. function isVersionsMatch(versionA, versionB) {
  13. return (versionA + '.').indexOf(versionB + '.') === 0
  14. }
  15. function isEolReleased(name) {
  16. var version = name.slice(1)
  17. return jsReleases.some(function (i) {
  18. return isVersionsMatch(i.version, version)
  19. })
  20. }
  21. function normalize(versions) {
  22. return versions.filter(function (version) {
  23. return typeof version === 'string'
  24. })
  25. }
  26. function normalizeElectron(version) {
  27. var versionToUse = version
  28. if (version.split('.').length === 3) {
  29. versionToUse = version.split('.').slice(0, -1).join('.')
  30. }
  31. return versionToUse
  32. }
  33. function nameMapper(name) {
  34. return function mapName(version) {
  35. return name + ' ' + version
  36. }
  37. }
  38. function getMajor(version) {
  39. return parseInt(version.split('.')[0])
  40. }
  41. function getMajorVersions(released, number) {
  42. if (released.length === 0) return []
  43. var majorVersions = uniq(released.map(getMajor))
  44. var minimum = majorVersions[majorVersions.length - number]
  45. if (!minimum) {
  46. return released
  47. }
  48. var selected = []
  49. for (var i = released.length - 1; i >= 0; i--) {
  50. if (minimum > getMajor(released[i])) break
  51. selected.unshift(released[i])
  52. }
  53. return selected
  54. }
  55. function uniq(array) {
  56. var filtered = []
  57. for (var i = 0; i < array.length; i++) {
  58. if (filtered.indexOf(array[i]) === -1) filtered.push(array[i])
  59. }
  60. return filtered
  61. }
  62. // Helpers
  63. function fillUsage(result, name, data) {
  64. for (var i in data) {
  65. result[name + ' ' + i] = data[i]
  66. }
  67. }
  68. function generateFilter(sign, version) {
  69. version = parseFloat(version)
  70. if (sign === '>') {
  71. return function (v) {
  72. return parseFloat(v) > version
  73. }
  74. } else if (sign === '>=') {
  75. return function (v) {
  76. return parseFloat(v) >= version
  77. }
  78. } else if (sign === '<') {
  79. return function (v) {
  80. return parseFloat(v) < version
  81. }
  82. } else {
  83. return function (v) {
  84. return parseFloat(v) <= version
  85. }
  86. }
  87. }
  88. function generateSemverFilter(sign, version) {
  89. version = version.split('.').map(parseSimpleInt)
  90. version[1] = version[1] || 0
  91. version[2] = version[2] || 0
  92. if (sign === '>') {
  93. return function (v) {
  94. v = v.split('.').map(parseSimpleInt)
  95. return compareSemver(v, version) > 0
  96. }
  97. } else if (sign === '>=') {
  98. return function (v) {
  99. v = v.split('.').map(parseSimpleInt)
  100. return compareSemver(v, version) >= 0
  101. }
  102. } else if (sign === '<') {
  103. return function (v) {
  104. v = v.split('.').map(parseSimpleInt)
  105. return compareSemver(version, v) > 0
  106. }
  107. } else {
  108. return function (v) {
  109. v = v.split('.').map(parseSimpleInt)
  110. return compareSemver(version, v) >= 0
  111. }
  112. }
  113. }
  114. function parseSimpleInt(x) {
  115. return parseInt(x)
  116. }
  117. function compare(a, b) {
  118. if (a < b) return -1
  119. if (a > b) return +1
  120. return 0
  121. }
  122. function compareSemver(a, b) {
  123. return (
  124. compare(parseInt(a[0]), parseInt(b[0])) ||
  125. compare(parseInt(a[1] || '0'), parseInt(b[1] || '0')) ||
  126. compare(parseInt(a[2] || '0'), parseInt(b[2] || '0'))
  127. )
  128. }
  129. // this follows the npm-like semver behavior
  130. function semverFilterLoose(operator, range) {
  131. range = range.split('.').map(parseSimpleInt)
  132. if (typeof range[1] === 'undefined') {
  133. range[1] = 'x'
  134. }
  135. // ignore any patch version because we only return minor versions
  136. // range[2] = 'x'
  137. switch (operator) {
  138. case '<=':
  139. return function (version) {
  140. version = version.split('.').map(parseSimpleInt)
  141. return compareSemverLoose(version, range) <= 0
  142. }
  143. case '>=':
  144. default:
  145. return function (version) {
  146. version = version.split('.').map(parseSimpleInt)
  147. return compareSemverLoose(version, range) >= 0
  148. }
  149. }
  150. }
  151. // this follows the npm-like semver behavior
  152. function compareSemverLoose(version, range) {
  153. if (version[0] !== range[0]) {
  154. return version[0] < range[0] ? -1 : +1
  155. }
  156. if (range[1] === 'x') {
  157. return 0
  158. }
  159. if (version[1] !== range[1]) {
  160. return version[1] < range[1] ? -1 : +1
  161. }
  162. return 0
  163. }
  164. function resolveVersion(data, version) {
  165. if (data.versions.indexOf(version) !== -1) {
  166. return version
  167. } else if (browserslist.versionAliases[data.name][version]) {
  168. return browserslist.versionAliases[data.name][version]
  169. } else {
  170. return false
  171. }
  172. }
  173. function normalizeVersion(data, version) {
  174. var resolved = resolveVersion(data, version)
  175. if (resolved) {
  176. return resolved
  177. } else if (data.versions.length === 1) {
  178. return data.versions[0]
  179. } else {
  180. return false
  181. }
  182. }
  183. function filterByYear(since, context) {
  184. since = since / 1000
  185. return Object.keys(agents).reduce(function (selected, name) {
  186. var data = byName(name, context)
  187. if (!data) return selected
  188. var versions = Object.keys(data.releaseDate).filter(function (v) {
  189. var date = data.releaseDate[v]
  190. return date !== null && date >= since
  191. })
  192. return selected.concat(versions.map(nameMapper(data.name)))
  193. }, [])
  194. }
  195. function cloneData(data) {
  196. return {
  197. name: data.name,
  198. versions: data.versions,
  199. released: data.released,
  200. releaseDate: data.releaseDate
  201. }
  202. }
  203. function mapVersions(data, map) {
  204. data.versions = data.versions.map(function (i) {
  205. return map[i] || i
  206. })
  207. data.released = data.versions.map(function (i) {
  208. return map[i] || i
  209. })
  210. var fixedDate = {}
  211. for (var i in data.releaseDate) {
  212. fixedDate[map[i] || i] = data.releaseDate[i]
  213. }
  214. data.releaseDate = fixedDate
  215. return data
  216. }
  217. function byName(name, context) {
  218. name = name.toLowerCase()
  219. name = browserslist.aliases[name] || name
  220. if (context.mobileToDesktop && browserslist.desktopNames[name]) {
  221. var desktop = browserslist.data[browserslist.desktopNames[name]]
  222. if (name === 'android') {
  223. return normalizeAndroidData(cloneData(browserslist.data[name]), desktop)
  224. } else {
  225. var cloned = cloneData(desktop)
  226. cloned.name = name
  227. if (name === 'op_mob') {
  228. cloned = mapVersions(cloned, { '10.0-10.1': '10' })
  229. }
  230. return cloned
  231. }
  232. }
  233. return browserslist.data[name]
  234. }
  235. function normalizeAndroidVersions(androidVersions, chromeVersions) {
  236. var firstEvergreen = ANDROID_EVERGREEN_FIRST
  237. var last = chromeVersions[chromeVersions.length - 1]
  238. return androidVersions
  239. .filter(function (version) {
  240. return /^(?:[2-4]\.|[34]$)/.test(version)
  241. })
  242. .concat(chromeVersions.slice(firstEvergreen - last - 1))
  243. }
  244. function normalizeAndroidData(android, chrome) {
  245. android.released = normalizeAndroidVersions(android.released, chrome.released)
  246. android.versions = normalizeAndroidVersions(android.versions, chrome.versions)
  247. return android
  248. }
  249. function checkName(name, context) {
  250. var data = byName(name, context)
  251. if (!data) throw new BrowserslistError('Unknown browser ' + name)
  252. return data
  253. }
  254. function unknownQuery(query) {
  255. return new BrowserslistError(
  256. 'Unknown browser query `' +
  257. query +
  258. '`. ' +
  259. 'Maybe you are using old Browserslist or made typo in query.'
  260. )
  261. }
  262. function filterAndroid(list, versions, context) {
  263. if (context.mobileToDesktop) return list
  264. var released = browserslist.data.android.released
  265. var last = released[released.length - 1]
  266. var diff = last - ANDROID_EVERGREEN_FIRST - versions
  267. if (diff > 0) {
  268. return list.slice(-1)
  269. } else {
  270. return list.slice(diff - 1)
  271. }
  272. }
  273. /**
  274. * Resolves queries into a browser list.
  275. * @param {string|string[]} queries Queries to combine.
  276. * Either an array of queries or a long string of queries.
  277. * @param {object} [context] Optional arguments to
  278. * the select function in `queries`.
  279. * @returns {string[]} A list of browsers
  280. */
  281. function resolve(queries, context) {
  282. if (Array.isArray(queries)) {
  283. queries = flatten(queries.map(parse))
  284. } else {
  285. queries = parse(queries)
  286. }
  287. return queries.reduce(function (result, query, index) {
  288. var selection = query.queryString
  289. var isExclude = selection.indexOf('not ') === 0
  290. if (isExclude) {
  291. if (index === 0) {
  292. throw new BrowserslistError(
  293. 'Write any browsers query (for instance, `defaults`) ' +
  294. 'before `' +
  295. selection +
  296. '`'
  297. )
  298. }
  299. selection = selection.slice(4)
  300. }
  301. for (var i = 0; i < QUERIES.length; i++) {
  302. var type = QUERIES[i]
  303. var match = selection.match(type.regexp)
  304. if (match) {
  305. var args = [context].concat(match.slice(1))
  306. var array = type.select.apply(browserslist, args).map(function (j) {
  307. var parts = j.split(' ')
  308. if (parts[1] === '0') {
  309. return parts[0] + ' ' + byName(parts[0], context).versions[0]
  310. } else {
  311. return j
  312. }
  313. })
  314. switch (query.type) {
  315. case QUERY_AND:
  316. if (isExclude) {
  317. return result.filter(function (j) {
  318. return array.indexOf(j) === -1
  319. })
  320. } else {
  321. return result.filter(function (j) {
  322. return array.indexOf(j) !== -1
  323. })
  324. }
  325. case QUERY_OR:
  326. default:
  327. if (isExclude) {
  328. var filter = {}
  329. array.forEach(function (j) {
  330. filter[j] = true
  331. })
  332. return result.filter(function (j) {
  333. return !filter[j]
  334. })
  335. }
  336. return result.concat(array)
  337. }
  338. }
  339. }
  340. throw unknownQuery(selection)
  341. }, [])
  342. }
  343. var cache = {}
  344. /**
  345. * Return array of browsers by selection queries.
  346. *
  347. * @param {(string|string[])} [queries=browserslist.defaults] Browser queries.
  348. * @param {object} [opts] Options.
  349. * @param {string} [opts.path="."] Path to processed file.
  350. * It will be used to find config files.
  351. * @param {string} [opts.env="production"] Processing environment.
  352. * It will be used to take right
  353. * queries from config file.
  354. * @param {string} [opts.config] Path to config file with queries.
  355. * @param {object} [opts.stats] Custom browser usage statistics
  356. * for "> 1% in my stats" query.
  357. * @param {boolean} [opts.ignoreUnknownVersions=false] Do not throw on unknown
  358. * version in direct query.
  359. * @param {boolean} [opts.dangerousExtend] Disable security checks
  360. * for extend query.
  361. * @param {boolean} [opts.mobileToDesktop] Alias mobile browsers to the desktop
  362. * version when Can I Use doesn't have
  363. * data about the specified version.
  364. * @returns {string[]} Array with browser names in Can I Use.
  365. *
  366. * @example
  367. * browserslist('IE >= 10, IE 8') //=> ['ie 11', 'ie 10', 'ie 8']
  368. */
  369. function browserslist(queries, opts) {
  370. if (typeof opts === 'undefined') opts = {}
  371. if (typeof opts.path === 'undefined') {
  372. opts.path = path.resolve ? path.resolve('.') : '.'
  373. }
  374. if (typeof queries === 'undefined' || queries === null) {
  375. var config = browserslist.loadConfig(opts)
  376. if (config) {
  377. queries = config
  378. } else {
  379. queries = browserslist.defaults
  380. }
  381. }
  382. if (!(typeof queries === 'string' || Array.isArray(queries))) {
  383. throw new BrowserslistError(
  384. 'Browser queries must be an array or string. Got ' + typeof queries + '.'
  385. )
  386. }
  387. var context = {
  388. ignoreUnknownVersions: opts.ignoreUnknownVersions,
  389. dangerousExtend: opts.dangerousExtend,
  390. mobileToDesktop: opts.mobileToDesktop,
  391. path: opts.path,
  392. env: opts.env
  393. }
  394. env.oldDataWarning(browserslist.data)
  395. var stats = env.getStat(opts, browserslist.data)
  396. if (stats) {
  397. context.customUsage = {}
  398. for (var browser in stats) {
  399. fillUsage(context.customUsage, browser, stats[browser])
  400. }
  401. }
  402. var cacheKey = JSON.stringify([queries, context])
  403. if (cache[cacheKey]) return cache[cacheKey]
  404. var result = uniq(resolve(queries, context)).sort(function (name1, name2) {
  405. name1 = name1.split(' ')
  406. name2 = name2.split(' ')
  407. if (name1[0] === name2[0]) {
  408. // assumptions on caniuse data
  409. // 1) version ranges never overlaps
  410. // 2) if version is not a range, it never contains `-`
  411. var version1 = name1[1].split('-')[0]
  412. var version2 = name2[1].split('-')[0]
  413. return compareSemver(version2.split('.'), version1.split('.'))
  414. } else {
  415. return compare(name1[0], name2[0])
  416. }
  417. })
  418. if (!process.env.BROWSERSLIST_DISABLE_CACHE) {
  419. cache[cacheKey] = result
  420. }
  421. return result
  422. }
  423. function parse(queries) {
  424. var qs = []
  425. do {
  426. queries = doMatch(queries, qs)
  427. } while (queries)
  428. return qs
  429. }
  430. function doMatch(string, qs) {
  431. var or = /^(?:,\s*|\s+or\s+)(.*)/i
  432. var and = /^\s+and\s+(.*)/i
  433. return find(string, function (parsed, n, max) {
  434. if (and.test(parsed)) {
  435. qs.unshift({ type: QUERY_AND, queryString: parsed.match(and)[1] })
  436. return true
  437. } else if (or.test(parsed)) {
  438. qs.unshift({ type: QUERY_OR, queryString: parsed.match(or)[1] })
  439. return true
  440. } else if (n === max) {
  441. qs.unshift({ type: QUERY_OR, queryString: parsed.trim() })
  442. return true
  443. }
  444. return false
  445. })
  446. }
  447. function find(string, predicate) {
  448. for (var n = 1, max = string.length; n <= max; n++) {
  449. var parsed = string.substr(-n, n)
  450. if (predicate(parsed, n, max)) {
  451. return string.slice(0, -n)
  452. }
  453. }
  454. return ''
  455. }
  456. function flatten(array) {
  457. if (!Array.isArray(array)) return [array]
  458. return array.reduce(function (a, b) {
  459. return a.concat(flatten(b))
  460. }, [])
  461. }
  462. // Will be filled by Can I Use data below
  463. browserslist.cache = {}
  464. browserslist.data = {}
  465. browserslist.usage = {
  466. global: {},
  467. custom: null
  468. }
  469. // Default browsers query
  470. browserslist.defaults = ['> 0.5%', 'last 2 versions', 'Firefox ESR', 'not dead']
  471. // Browser names aliases
  472. browserslist.aliases = {
  473. fx: 'firefox',
  474. ff: 'firefox',
  475. ios: 'ios_saf',
  476. explorer: 'ie',
  477. blackberry: 'bb',
  478. explorermobile: 'ie_mob',
  479. operamini: 'op_mini',
  480. operamobile: 'op_mob',
  481. chromeandroid: 'and_chr',
  482. firefoxandroid: 'and_ff',
  483. ucandroid: 'and_uc',
  484. qqandroid: 'and_qq'
  485. }
  486. // Can I Use only provides a few versions for some browsers (e.g. and_chr).
  487. // Fallback to a similar browser for unknown versions
  488. browserslist.desktopNames = {
  489. and_chr: 'chrome',
  490. and_ff: 'firefox',
  491. ie_mob: 'ie',
  492. op_mob: 'opera',
  493. android: 'chrome' // has extra processing logic
  494. }
  495. // Aliases to work with joined versions like `ios_saf 7.0-7.1`
  496. browserslist.versionAliases = {}
  497. browserslist.clearCaches = env.clearCaches
  498. browserslist.parseConfig = env.parseConfig
  499. browserslist.readConfig = env.readConfig
  500. browserslist.findConfig = env.findConfig
  501. browserslist.loadConfig = env.loadConfig
  502. /**
  503. * Return browsers market coverage.
  504. *
  505. * @param {string[]} browsers Browsers names in Can I Use.
  506. * @param {string|object} [stats="global"] Which statistics should be used.
  507. * Country code or custom statistics.
  508. * Pass `"my stats"` to load statistics
  509. * from Browserslist files.
  510. *
  511. * @return {number} Total market coverage for all selected browsers.
  512. *
  513. * @example
  514. * browserslist.coverage(browserslist('> 1% in US'), 'US') //=> 83.1
  515. */
  516. browserslist.coverage = function (browsers, stats) {
  517. var data
  518. if (typeof stats === 'undefined') {
  519. data = browserslist.usage.global
  520. } else if (stats === 'my stats') {
  521. var opts = {}
  522. opts.path = path.resolve ? path.resolve('.') : '.'
  523. var customStats = env.getStat(opts)
  524. if (!customStats) {
  525. throw new BrowserslistError('Custom usage statistics was not provided')
  526. }
  527. data = {}
  528. for (var browser in customStats) {
  529. fillUsage(data, browser, customStats[browser])
  530. }
  531. } else if (typeof stats === 'string') {
  532. if (stats.length > 2) {
  533. stats = stats.toLowerCase()
  534. } else {
  535. stats = stats.toUpperCase()
  536. }
  537. env.loadCountry(browserslist.usage, stats, browserslist.data)
  538. data = browserslist.usage[stats]
  539. } else {
  540. if ('dataByBrowser' in stats) {
  541. stats = stats.dataByBrowser
  542. }
  543. data = {}
  544. for (var name in stats) {
  545. for (var version in stats[name]) {
  546. data[name + ' ' + version] = stats[name][version]
  547. }
  548. }
  549. }
  550. return browsers.reduce(function (all, i) {
  551. var usage = data[i]
  552. if (usage === undefined) {
  553. usage = data[i.replace(/ \S+$/, ' 0')]
  554. }
  555. return all + (usage || 0)
  556. }, 0)
  557. }
  558. function nodeQuery(context, version) {
  559. var nodeReleases = jsReleases.filter(function (i) {
  560. return i.name === 'nodejs'
  561. })
  562. var matched = nodeReleases.filter(function (i) {
  563. return isVersionsMatch(i.version, version)
  564. })
  565. if (matched.length === 0) {
  566. if (context.ignoreUnknownVersions) {
  567. return []
  568. } else {
  569. throw new BrowserslistError('Unknown version ' + version + ' of Node.js')
  570. }
  571. }
  572. return ['node ' + matched[matched.length - 1].version]
  573. }
  574. function sinceQuery(context, year, month, date) {
  575. year = parseInt(year)
  576. month = parseInt(month || '01') - 1
  577. date = parseInt(date || '01')
  578. return filterByYear(Date.UTC(year, month, date, 0, 0, 0), context)
  579. }
  580. function coverQuery(context, coverage, statMode) {
  581. coverage = parseFloat(coverage)
  582. var usage = browserslist.usage.global
  583. if (statMode) {
  584. if (statMode.match(/^my\s+stats$/i)) {
  585. if (!context.customUsage) {
  586. throw new BrowserslistError('Custom usage statistics was not provided')
  587. }
  588. usage = context.customUsage
  589. } else {
  590. var place
  591. if (statMode.length === 2) {
  592. place = statMode.toUpperCase()
  593. } else {
  594. place = statMode.toLowerCase()
  595. }
  596. env.loadCountry(browserslist.usage, place, browserslist.data)
  597. usage = browserslist.usage[place]
  598. }
  599. }
  600. var versions = Object.keys(usage).sort(function (a, b) {
  601. return usage[b] - usage[a]
  602. })
  603. var coveraged = 0
  604. var result = []
  605. var version
  606. for (var i = 0; i <= versions.length; i++) {
  607. version = versions[i]
  608. if (usage[version] === 0) break
  609. coveraged += usage[version]
  610. result.push(version)
  611. if (coveraged >= coverage) break
  612. }
  613. return result
  614. }
  615. var QUERIES = [
  616. {
  617. regexp: /^last\s+(\d+)\s+major\s+versions?$/i,
  618. select: function (context, versions) {
  619. return Object.keys(agents).reduce(function (selected, name) {
  620. var data = byName(name, context)
  621. if (!data) return selected
  622. var list = getMajorVersions(data.released, versions)
  623. list = list.map(nameMapper(data.name))
  624. if (data.name === 'android') {
  625. list = filterAndroid(list, versions, context)
  626. }
  627. return selected.concat(list)
  628. }, [])
  629. }
  630. },
  631. {
  632. regexp: /^last\s+(\d+)\s+versions?$/i,
  633. select: function (context, versions) {
  634. return Object.keys(agents).reduce(function (selected, name) {
  635. var data = byName(name, context)
  636. if (!data) return selected
  637. var list = data.released.slice(-versions)
  638. list = list.map(nameMapper(data.name))
  639. if (data.name === 'android') {
  640. list = filterAndroid(list, versions, context)
  641. }
  642. return selected.concat(list)
  643. }, [])
  644. }
  645. },
  646. {
  647. regexp: /^last\s+(\d+)\s+electron\s+major\s+versions?$/i,
  648. select: function (context, versions) {
  649. var validVersions = getMajorVersions(Object.keys(e2c), versions)
  650. return validVersions.map(function (i) {
  651. return 'chrome ' + e2c[i]
  652. })
  653. }
  654. },
  655. {
  656. regexp: /^last\s+(\d+)\s+(\w+)\s+major\s+versions?$/i,
  657. select: function (context, versions, name) {
  658. var data = checkName(name, context)
  659. var validVersions = getMajorVersions(data.released, versions)
  660. var list = validVersions.map(nameMapper(data.name))
  661. if (data.name === 'android') {
  662. list = filterAndroid(list, versions, context)
  663. }
  664. return list
  665. }
  666. },
  667. {
  668. regexp: /^last\s+(\d+)\s+electron\s+versions?$/i,
  669. select: function (context, versions) {
  670. return Object.keys(e2c)
  671. .slice(-versions)
  672. .map(function (i) {
  673. return 'chrome ' + e2c[i]
  674. })
  675. }
  676. },
  677. {
  678. regexp: /^last\s+(\d+)\s+(\w+)\s+versions?$/i,
  679. select: function (context, versions, name) {
  680. var data = checkName(name, context)
  681. var list = data.released.slice(-versions).map(nameMapper(data.name))
  682. if (data.name === 'android') {
  683. list = filterAndroid(list, versions, context)
  684. }
  685. return list
  686. }
  687. },
  688. {
  689. regexp: /^unreleased\s+versions$/i,
  690. select: function (context) {
  691. return Object.keys(agents).reduce(function (selected, name) {
  692. var data = byName(name, context)
  693. if (!data) return selected
  694. var list = data.versions.filter(function (v) {
  695. return data.released.indexOf(v) === -1
  696. })
  697. list = list.map(nameMapper(data.name))
  698. return selected.concat(list)
  699. }, [])
  700. }
  701. },
  702. {
  703. regexp: /^unreleased\s+electron\s+versions?$/i,
  704. select: function () {
  705. return []
  706. }
  707. },
  708. {
  709. regexp: /^unreleased\s+(\w+)\s+versions?$/i,
  710. select: function (context, name) {
  711. var data = checkName(name, context)
  712. return data.versions
  713. .filter(function (v) {
  714. return data.released.indexOf(v) === -1
  715. })
  716. .map(nameMapper(data.name))
  717. }
  718. },
  719. {
  720. regexp: /^last\s+(\d*.?\d+)\s+years?$/i,
  721. select: function (context, years) {
  722. return filterByYear(Date.now() - YEAR * years, context)
  723. }
  724. },
  725. {
  726. regexp: /^since (\d+)$/i,
  727. select: sinceQuery
  728. },
  729. {
  730. regexp: /^since (\d+)-(\d+)$/i,
  731. select: sinceQuery
  732. },
  733. {
  734. regexp: /^since (\d+)-(\d+)-(\d+)$/i,
  735. select: sinceQuery
  736. },
  737. {
  738. regexp: /^(>=?|<=?)\s*(\d+|\d+\.\d+|\.\d+)%$/,
  739. select: function (context, sign, popularity) {
  740. popularity = parseFloat(popularity)
  741. var usage = browserslist.usage.global
  742. return Object.keys(usage).reduce(function (result, version) {
  743. if (sign === '>') {
  744. if (usage[version] > popularity) {
  745. result.push(version)
  746. }
  747. } else if (sign === '<') {
  748. if (usage[version] < popularity) {
  749. result.push(version)
  750. }
  751. } else if (sign === '<=') {
  752. if (usage[version] <= popularity) {
  753. result.push(version)
  754. }
  755. } else if (usage[version] >= popularity) {
  756. result.push(version)
  757. }
  758. return result
  759. }, [])
  760. }
  761. },
  762. {
  763. regexp: /^(>=?|<=?)\s*(\d+|\d+\.\d+|\.\d+)%\s+in\s+my\s+stats$/,
  764. select: function (context, sign, popularity) {
  765. popularity = parseFloat(popularity)
  766. if (!context.customUsage) {
  767. throw new BrowserslistError('Custom usage statistics was not provided')
  768. }
  769. var usage = context.customUsage
  770. return Object.keys(usage).reduce(function (result, version) {
  771. if (sign === '>') {
  772. if (usage[version] > popularity) {
  773. result.push(version)
  774. }
  775. } else if (sign === '<') {
  776. if (usage[version] < popularity) {
  777. result.push(version)
  778. }
  779. } else if (sign === '<=') {
  780. if (usage[version] <= popularity) {
  781. result.push(version)
  782. }
  783. } else if (usage[version] >= popularity) {
  784. result.push(version)
  785. }
  786. return result
  787. }, [])
  788. }
  789. },
  790. {
  791. regexp: /^(>=?|<=?)\s*(\d+|\d+\.\d+|\.\d+)%\s+in\s+(\S+)\s+stats$/,
  792. select: function (context, sign, popularity, name) {
  793. popularity = parseFloat(popularity)
  794. var stats = env.loadStat(context, name, browserslist.data)
  795. if (stats) {
  796. context.customUsage = {}
  797. for (var browser in stats) {
  798. fillUsage(context.customUsage, browser, stats[browser])
  799. }
  800. }
  801. if (!context.customUsage) {
  802. throw new BrowserslistError('Custom usage statistics was not provided')
  803. }
  804. var usage = context.customUsage
  805. return Object.keys(usage).reduce(function (result, version) {
  806. if (sign === '>') {
  807. if (usage[version] > popularity) {
  808. result.push(version)
  809. }
  810. } else if (sign === '<') {
  811. if (usage[version] < popularity) {
  812. result.push(version)
  813. }
  814. } else if (sign === '<=') {
  815. if (usage[version] <= popularity) {
  816. result.push(version)
  817. }
  818. } else if (usage[version] >= popularity) {
  819. result.push(version)
  820. }
  821. return result
  822. }, [])
  823. }
  824. },
  825. {
  826. regexp: /^(>=?|<=?)\s*(\d+|\d+\.\d+|\.\d+)%\s+in\s+((alt-)?\w\w)$/,
  827. select: function (context, sign, popularity, place) {
  828. popularity = parseFloat(popularity)
  829. if (place.length === 2) {
  830. place = place.toUpperCase()
  831. } else {
  832. place = place.toLowerCase()
  833. }
  834. env.loadCountry(browserslist.usage, place, browserslist.data)
  835. var usage = browserslist.usage[place]
  836. return Object.keys(usage).reduce(function (result, version) {
  837. if (sign === '>') {
  838. if (usage[version] > popularity) {
  839. result.push(version)
  840. }
  841. } else if (sign === '<') {
  842. if (usage[version] < popularity) {
  843. result.push(version)
  844. }
  845. } else if (sign === '<=') {
  846. if (usage[version] <= popularity) {
  847. result.push(version)
  848. }
  849. } else if (usage[version] >= popularity) {
  850. result.push(version)
  851. }
  852. return result
  853. }, [])
  854. }
  855. },
  856. {
  857. regexp: /^cover\s+(\d+|\d+\.\d+|\.\d+)%$/i,
  858. select: coverQuery
  859. },
  860. {
  861. regexp: /^cover\s+(\d+|\d+\.\d+|\.\d+)%\s+in\s+(my\s+stats|(alt-)?\w\w)$/i,
  862. select: coverQuery
  863. },
  864. {
  865. regexp: /^supports\s+([\w-]+)$/,
  866. select: function (context, feature) {
  867. env.loadFeature(browserslist.cache, feature)
  868. var features = browserslist.cache[feature]
  869. return Object.keys(features).reduce(function (result, version) {
  870. var flags = features[version]
  871. if (flags.indexOf('y') >= 0 || flags.indexOf('a') >= 0) {
  872. result.push(version)
  873. }
  874. return result
  875. }, [])
  876. }
  877. },
  878. {
  879. regexp: /^electron\s+([\d.]+)\s*-\s*([\d.]+)$/i,
  880. select: function (context, from, to) {
  881. var fromToUse = normalizeElectron(from)
  882. var toToUse = normalizeElectron(to)
  883. if (!e2c[fromToUse]) {
  884. throw new BrowserslistError('Unknown version ' + from + ' of electron')
  885. }
  886. if (!e2c[toToUse]) {
  887. throw new BrowserslistError('Unknown version ' + to + ' of electron')
  888. }
  889. from = parseFloat(from)
  890. to = parseFloat(to)
  891. return Object.keys(e2c)
  892. .filter(function (i) {
  893. var parsed = parseFloat(i)
  894. return parsed >= from && parsed <= to
  895. })
  896. .map(function (i) {
  897. return 'chrome ' + e2c[i]
  898. })
  899. }
  900. },
  901. {
  902. regexp: /^node\s+([\d.]+)\s*-\s*([\d.]+)$/i,
  903. select: function (context, from, to) {
  904. var nodeVersions = jsReleases
  905. .filter(function (i) {
  906. return i.name === 'nodejs'
  907. })
  908. .map(function (i) {
  909. return i.version
  910. })
  911. return nodeVersions
  912. .filter(semverFilterLoose('>=', from))
  913. .filter(semverFilterLoose('<=', to))
  914. .map(function (v) {
  915. return 'node ' + v
  916. })
  917. }
  918. },
  919. {
  920. regexp: /^(\w+)\s+([\d.]+)\s*-\s*([\d.]+)$/i,
  921. select: function (context, name, from, to) {
  922. var data = checkName(name, context)
  923. from = parseFloat(normalizeVersion(data, from) || from)
  924. to = parseFloat(normalizeVersion(data, to) || to)
  925. function filter(v) {
  926. var parsed = parseFloat(v)
  927. return parsed >= from && parsed <= to
  928. }
  929. return data.released.filter(filter).map(nameMapper(data.name))
  930. }
  931. },
  932. {
  933. regexp: /^electron\s*(>=?|<=?)\s*([\d.]+)$/i,
  934. select: function (context, sign, version) {
  935. var versionToUse = normalizeElectron(version)
  936. return Object.keys(e2c)
  937. .filter(generateFilter(sign, versionToUse))
  938. .map(function (i) {
  939. return 'chrome ' + e2c[i]
  940. })
  941. }
  942. },
  943. {
  944. regexp: /^node\s*(>=?|<=?)\s*([\d.]+)$/i,
  945. select: function (context, sign, version) {
  946. var nodeVersions = jsReleases
  947. .filter(function (i) {
  948. return i.name === 'nodejs'
  949. })
  950. .map(function (i) {
  951. return i.version
  952. })
  953. return nodeVersions
  954. .filter(generateSemverFilter(sign, version))
  955. .map(function (v) {
  956. return 'node ' + v
  957. })
  958. }
  959. },
  960. {
  961. regexp: /^(\w+)\s*(>=?|<=?)\s*([\d.]+)$/,
  962. select: function (context, name, sign, version) {
  963. var data = checkName(name, context)
  964. var alias = browserslist.versionAliases[data.name][version]
  965. if (alias) {
  966. version = alias
  967. }
  968. return data.released
  969. .filter(generateFilter(sign, version))
  970. .map(function (v) {
  971. return data.name + ' ' + v
  972. })
  973. }
  974. },
  975. {
  976. regexp: /^(firefox|ff|fx)\s+esr$/i,
  977. select: function () {
  978. return ['firefox 78', 'firefox 91']
  979. }
  980. },
  981. {
  982. regexp: /(operamini|op_mini)\s+all/i,
  983. select: function () {
  984. return ['op_mini all']
  985. }
  986. },
  987. {
  988. regexp: /^electron\s+([\d.]+)$/i,
  989. select: function (context, version) {
  990. var versionToUse = normalizeElectron(version)
  991. var chrome = e2c[versionToUse]
  992. if (!chrome) {
  993. throw new BrowserslistError(
  994. 'Unknown version ' + version + ' of electron'
  995. )
  996. }
  997. return ['chrome ' + chrome]
  998. }
  999. },
  1000. {
  1001. regexp: /^node\s+(\d+)$/i,
  1002. select: nodeQuery
  1003. },
  1004. {
  1005. regexp: /^node\s+(\d+\.\d+)$/i,
  1006. select: nodeQuery
  1007. },
  1008. {
  1009. regexp: /^node\s+(\d+\.\d+\.\d+)$/i,
  1010. select: nodeQuery
  1011. },
  1012. {
  1013. regexp: /^current\s+node$/i,
  1014. select: function (context) {
  1015. return [env.currentNode(resolve, context)]
  1016. }
  1017. },
  1018. {
  1019. regexp: /^maintained\s+node\s+versions$/i,
  1020. select: function (context) {
  1021. var now = Date.now()
  1022. var queries = Object.keys(jsEOL)
  1023. .filter(function (key) {
  1024. return (
  1025. now < Date.parse(jsEOL[key].end) &&
  1026. now > Date.parse(jsEOL[key].start) &&
  1027. isEolReleased(key)
  1028. )
  1029. })
  1030. .map(function (key) {
  1031. return 'node ' + key.slice(1)
  1032. })
  1033. return resolve(queries, context)
  1034. }
  1035. },
  1036. {
  1037. regexp: /^phantomjs\s+1.9$/i,
  1038. select: function () {
  1039. return ['safari 5']
  1040. }
  1041. },
  1042. {
  1043. regexp: /^phantomjs\s+2.1$/i,
  1044. select: function () {
  1045. return ['safari 6']
  1046. }
  1047. },
  1048. {
  1049. regexp: /^(\w+)\s+(tp|[\d.]+)$/i,
  1050. select: function (context, name, version) {
  1051. if (/^tp$/i.test(version)) version = 'TP'
  1052. var data = checkName(name, context)
  1053. var alias = normalizeVersion(data, version)
  1054. if (alias) {
  1055. version = alias
  1056. } else {
  1057. if (version.indexOf('.') === -1) {
  1058. alias = version + '.0'
  1059. } else {
  1060. alias = version.replace(/\.0$/, '')
  1061. }
  1062. alias = normalizeVersion(data, alias)
  1063. if (alias) {
  1064. version = alias
  1065. } else if (context.ignoreUnknownVersions) {
  1066. return []
  1067. } else {
  1068. throw new BrowserslistError(
  1069. 'Unknown version ' + version + ' of ' + name
  1070. )
  1071. }
  1072. }
  1073. return [data.name + ' ' + version]
  1074. }
  1075. },
  1076. {
  1077. regexp: /^browserslist config$/i,
  1078. select: function (context) {
  1079. return browserslist(undefined, context)
  1080. }
  1081. },
  1082. {
  1083. regexp: /^extends (.+)$/i,
  1084. select: function (context, name) {
  1085. return resolve(env.loadQueries(context, name), context)
  1086. }
  1087. },
  1088. {
  1089. regexp: /^defaults$/i,
  1090. select: function (context) {
  1091. return resolve(browserslist.defaults, context)
  1092. }
  1093. },
  1094. {
  1095. regexp: /^dead$/i,
  1096. select: function (context) {
  1097. var dead = [
  1098. 'ie <= 10',
  1099. 'ie_mob <= 11',
  1100. 'bb <= 10',
  1101. 'op_mob <= 12.1',
  1102. 'samsung 4'
  1103. ]
  1104. return resolve(dead, context)
  1105. }
  1106. },
  1107. {
  1108. regexp: /^(\w+)$/i,
  1109. select: function (context, name) {
  1110. if (byName(name, context)) {
  1111. throw new BrowserslistError(
  1112. 'Specify versions in Browserslist query for browser ' + name
  1113. )
  1114. } else {
  1115. throw unknownQuery(name)
  1116. }
  1117. }
  1118. }
  1119. ]
  1120. // Get and convert Can I Use data
  1121. ;(function () {
  1122. for (var name in agents) {
  1123. var browser = agents[name]
  1124. browserslist.data[name] = {
  1125. name: name,
  1126. versions: normalize(agents[name].versions),
  1127. released: normalize(agents[name].versions.slice(0, -3)),
  1128. releaseDate: agents[name].release_date
  1129. }
  1130. fillUsage(browserslist.usage.global, name, browser.usage_global)
  1131. browserslist.versionAliases[name] = {}
  1132. for (var i = 0; i < browser.versions.length; i++) {
  1133. var full = browser.versions[i]
  1134. if (!full) continue
  1135. if (full.indexOf('-') !== -1) {
  1136. var interval = full.split('-')
  1137. for (var j = 0; j < interval.length; j++) {
  1138. browserslist.versionAliases[name][interval[j]] = full
  1139. }
  1140. }
  1141. }
  1142. }
  1143. browserslist.versionAliases.op_mob['59'] = '58'
  1144. })()
  1145. module.exports = browserslist