BOC v1.0: RS256 auth, Ledger integration, Prometheus metrics, CI/CD, backup

This commit is contained in:
Bernt
2026-07-28 23:08:32 +00:00
parent 0b4f160af1
commit af874040ca
11541 changed files with 1654104 additions and 1103 deletions
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The MIT License (MIT)
Copyright 2014 Andrey Sitnik <andrey@sitnik.es> and other contributors
Permission is hereby granted, free of charge, to any person obtaining a copy of
this software and associated documentation files (the "Software"), to deal in
the Software without restriction, including without limitation the rights to
use, copy, modify, merge, publish, distribute, sublicense, and/or sell copies of
the Software, and to permit persons to whom the Software is furnished to do so,
subject to the following conditions:
The above copyright notice and this permission notice shall be included in all
copies or substantial portions of the Software.
THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, EXPRESS OR
IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF MERCHANTABILITY, FITNESS
FOR A PARTICULAR PURPOSE AND NONINFRINGEMENT. IN NO EVENT SHALL THE AUTHORS OR
COPYRIGHT HOLDERS BE LIABLE FOR ANY CLAIM, DAMAGES OR OTHER LIABILITY, WHETHER
IN AN ACTION OF CONTRACT, TORT OR OTHERWISE, ARISING FROM, OUT OF OR IN
CONNECTION WITH THE SOFTWARE OR THE USE OR OTHER DEALINGS IN THE SOFTWARE.
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# Browserslist
<img width="120" height="120" alt="Browserslist logo by Anton Popov"
src="https://browsersl.ist/logo.svg" align="right">
The config to share target browsers and Node.js versions between different
front-end tools. It is used in:
- [Autoprefixer]
- [Babel]
- [postcss-preset-env]
- [eslint-plugin-compat]
- [stylelint-no-unsupported-browser-features]
- [postcss-normalize]
- [obsolete-webpack-plugin]
All tools will find target browsers automatically,
when you add the following to `package.json`:
```json
"browserslist": [
"defaults and fully supports es6-module",
"maintained node versions"
]
```
Or in `.browserslistrc` config:
```yaml
# Browsers that we support
defaults and fully supports es6-module
maintained node versions
```
Developers set their version lists using queries like `last 2 versions`
to be free from updating versions manually.
Browserslist will use [`caniuse-lite`] with [Can I Use] data for this queries.
You can check how config works at our playground: [`browsersl.ist`](https://browsersl.ist/)
<a href="https://browsersl.ist/">
<img src="/img/screenshot.webp" alt="browsersl.ist website">
</a>
<br>
<br>
<div align="center">
<a href="https://evilmartians.com/?utm_source=browserslist"><img src="https://evilmartians.com/badges/sponsored-by-evil-martians.svg" alt="Sponsored by Evil Martians" width="236" height="54"></a>  <a href="https://cube.dev/?ref=eco-browserslist-github"><img src="https://user-images.githubusercontent.com/986756/154330861-d79ab8ec-aacb-4af8-9e17-1b28f1eccb01.svg" alt="Supported by Cube" width="227" height="46"></a>
</div>
[stylelint-no-unsupported-browser-features]: https://github.com/ismay/stylelint-no-unsupported-browser-features
[obsolete-webpack-plugin]: https://github.com/ElemeFE/obsolete-webpack-plugin
[eslint-plugin-compat]: https://github.com/amilajack/eslint-plugin-compat
[postcss-preset-env]: https://github.com/csstools/postcss-plugins/tree/main/plugin-packs/postcss-preset-env
[postcss-normalize]: https://github.com/csstools/postcss-normalize
[`browsersl.ist`]: https://browsersl.ist/
[`caniuse-lite`]: https://github.com/ben-eb/caniuse-lite
[Autoprefixer]: https://github.com/postcss/autoprefixer
[Can I Use]: https://caniuse.com/
[Babel]: https://github.com/babel/babel/tree/master/packages/babel-preset-env
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var BrowserslistError = require('./error')
function noop() {}
module.exports = {
loadQueries: function loadQueries() {
throw new BrowserslistError(
'Sharable configs are not supported in client-side build of Browserslist'
)
},
getStat: function getStat(opts) {
return opts.stats
},
loadConfig: function loadConfig(opts) {
if (opts.config) {
throw new BrowserslistError(
'Browserslist config are not supported in client-side build'
)
}
},
loadCountry: function loadCountry() {
throw new BrowserslistError(
'Country statistics are not supported ' +
'in client-side build of Browserslist'
)
},
loadFeature: function loadFeature() {
throw new BrowserslistError(
'Supports queries are not available in client-side build of Browserslist'
)
},
currentNode: function currentNode(resolve, context) {
return resolve(['maintained node versions'], context)[0]
},
parseConfig: noop,
readConfig: noop,
findConfig: noop,
findConfigFile: noop,
clearCaches: noop,
oldDataWarning: noop,
env: {}
}
Generated Vendored Executable
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#!/usr/bin/env node
var fs = require('fs')
var updateDb = require('update-browserslist-db')
var browserslist = require('./')
var pkg = require('./package.json')
var args = process.argv.slice(2)
var USAGE =
'Usage:\n' +
' npx browserslist\n' +
' npx browserslist "QUERIES"\n' +
' npx browserslist --json "QUERIES"\n' +
' npx browserslist --config="path/to/browserlist/file"\n' +
' npx browserslist --coverage "QUERIES"\n' +
' npx browserslist --coverage=US "QUERIES"\n' +
' npx browserslist --coverage=US,RU,global "QUERIES"\n' +
' npx browserslist --env="environment name defined in config"\n' +
' npx browserslist --stats="path/to/browserlist/stats/file"\n' +
' npx browserslist --mobile-to-desktop\n' +
' npx browserslist --ignore-unknown-versions\n'
function isArg(arg) {
return args.some(function (str) {
return str === arg || str.indexOf(arg + '=') === 0
})
}
function error(msg) {
process.stderr.write('browserslist: ' + msg + '\n')
process.exit(1)
}
if (isArg('--help') || isArg('-h')) {
process.stdout.write(pkg.description + '.\n\n' + USAGE + '\n')
} else if (isArg('--version') || isArg('-v')) {
process.stdout.write('browserslist ' + pkg.version + '\n')
} else if (isArg('--update-db')) {
/* c8 ignore next 8 */
process.stdout.write(
'The --update-db command is deprecated.\n' +
'Please use npx update-browserslist-db@latest instead.\n'
)
process.stdout.write('Browserslist DB update will still be made.\n')
updateDb(function (str) {
process.stdout.write(str)
})
} else {
var mode = 'browsers'
var opts = {}
var queries
var areas
for (var i = 0; i < args.length; i++) {
if (args[i][0] !== '-') {
queries = args[i].replace(/^["']|["']$/g, '')
continue
}
var arg = args[i].split('=')
var name = arg[0]
var value = arg[1]
if (value) value = value.replace(/^["']|["']$/g, '')
if (name === '--config' || name === '-b') {
opts.config = value
} else if (name === '--env' || name === '-e') {
opts.env = value
} else if (name === '--stats' || name === '-s') {
opts.stats = value
} else if (name === '--coverage' || name === '-c') {
if (mode !== 'json') mode = 'coverage'
if (value) {
areas = value.split(',')
} else {
areas = ['global']
}
} else if (name === '--json') {
mode = 'json'
} else if (name === '--mobile-to-desktop') {
/* c8 ignore next */
opts.mobileToDesktop = true
} else if (name === '--ignore-unknown-versions') {
/* c8 ignore next */
opts.ignoreUnknownVersions = true
} else {
error('Unknown arguments ' + args[i] + '.\n\n' + USAGE)
}
}
var browsers
try {
browsers = browserslist(queries, opts)
} catch (e) {
if (e.name === 'BrowserslistError') {
error(e.message)
} /* c8 ignore start */ else {
throw e
} /* c8 ignore end */
}
var coverage
if (mode === 'browsers') {
browsers.forEach(function (browser) {
process.stdout.write(browser + '\n')
})
} else if (areas) {
coverage = areas.map(function (area) {
var stats
if (area !== 'global') {
stats = area
} else if (opts.stats) {
stats = JSON.parse(fs.readFileSync(opts.stats))
}
var result = browserslist.coverage(browsers, stats)
var round = Math.round(result * 100) / 100.0
return [area, round]
})
if (mode === 'coverage') {
var prefix = 'These browsers account for '
process.stdout.write(prefix)
coverage.forEach(function (data, index) {
var area = data[0]
var round = data[1]
var end = 'globally'
if (area && area !== 'global') {
end = 'in the ' + area.toUpperCase()
} else if (opts.stats) {
end = 'in custom statistics'
}
if (index !== 0) {
process.stdout.write(prefix.replace(/./g, ' '))
}
process.stdout.write(round + '% of all users ' + end + '\n')
})
}
}
if (mode === 'json') {
var data = { browsers: browsers }
if (coverage) {
data.coverage = coverage.reduce(function (object, j) {
object[j[0]] = j[1]
return object
}, {})
}
process.stdout.write(JSON.stringify(data, null, ' ') + '\n')
}
}
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declare class BrowserslistError extends Error {
constructor(message: any)
name: 'BrowserslistError'
browserslist: true
}
export = BrowserslistError
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function BrowserslistError(message) {
this.name = 'BrowserslistError'
this.message = message
this.browserslist = true
if (Error.captureStackTrace) {
Error.captureStackTrace(this, BrowserslistError)
}
}
BrowserslistError.prototype = Error.prototype
module.exports = BrowserslistError
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/**
* Return array of browsers by selection queries.
*
* ```js
* browserslist('IE >= 10, IE 8') //=> ['ie 11', 'ie 10', 'ie 8']
* ```
*
* @param queries Browser queries.
* @param opts Options.
* @returns Array with browser names in Can I Use.
*/
declare function browserslist(
queries?: string | readonly string[] | null,
opts?: browserslist.Options
): string[]
declare namespace browserslist {
interface Query {
compose: 'or' | 'and'
type: string
query: string
not?: true
}
interface Options {
/**
* Path to processed file. It will be used to find config files.
*/
path?: string | false
/**
* Processing environment. It will be used to take right queries
* from config file.
*/
env?: string
/**
* Custom browser usage statistics for "> 1% in my stats" query.
*/
stats?: Stats | string
/**
* Path to config file with queries.
*/
config?: string
/**
* Do not throw on unknown version in direct query.
*/
ignoreUnknownVersions?: boolean
/**
* Throw an error if env is not found.
*/
throwOnMissing?: boolean
/**
* Disable security checks for extend query.
*/
dangerousExtend?: boolean
/**
* Alias mobile browsers to the desktop version when Can I Use
* doesnt have data about the specified version.
*/
mobileToDesktop?: boolean
}
type Config = {
defaults: string[]
[section: string]: string[] | undefined
}
interface Stats {
[browser: string]: {
[version: string]: number
}
}
/**
* Browser names aliases.
*/
let aliases: {
[alias: string]: string | undefined
}
/**
* Aliases to work with joined versions like `ios_saf 7.0-7.1`.
*/
let versionAliases: {
[browser: string]:
| {
[version: string]: string | undefined
}
| undefined
}
/**
* Can I Use only provides a few versions for some browsers (e.g. `and_chr`).
*
* Fallback to a similar browser for unknown versions.
*/
let desktopNames: {
[browser: string]: string | undefined
}
let data: {
[browser: string]:
| {
name: string
versions: string[]
released: string[]
releaseDate: {
[version: string]: number | undefined | null
}
}
| undefined
}
let nodeVersions: string[]
interface Usage {
[version: string]: number
}
let usage: {
global?: Usage
custom?: Usage | null
[country: string]: Usage | undefined | null
}
let cache: {
[feature: string]: {
[name: string]: {
[version: string]: string
}
}
}
/**
* Default browsers query
*/
let defaults: readonly string[]
/**
* Which statistics should be used. Country code or custom statistics.
* Pass `"my stats"` to load statistics from `Browserslist` files.
*/
type StatsOptions = string | 'my stats' | Stats | { dataByBrowser: Stats }
/**
* Return browsers market coverage.
*
* ```js
* browserslist.coverage(browserslist('> 1% in US'), 'US') //=> 83.1
* ```
*
* @param browsers Browsers names in Can I Use.
* @param stats Which statistics should be used.
* @returns Total market coverage for all selected browsers.
*/
function coverage(browsers: readonly string[], stats?: StatsOptions): number
/**
* Get queries AST to analyze the config content.
*
* @param queries Browser queries.
* @param opts Options.
* @returns An array of the data of each query in the config.
*/
function parse(
queries?: string | readonly string[] | null,
opts?: browserslist.Options
): Query[]
/**
* Return queries for specific file inside the project.
*
* ```js
* browserslist.loadConfig({
* file: process.cwd()
* }) ?? browserslist.defaults
* ```
*/
function loadConfig(options: LoadConfigOptions): string[] | undefined
function clearCaches(): void
function parseConfig(string: string): Config
function readConfig(file: string): Config
function findConfig(...pathSegments: string[]): Config | undefined
function findConfigFile(...pathSegments: string[]): string | undefined
interface LoadConfigOptions {
/**
* Path to config file
* */
config?: string
/**
* Path to file inside the project to find Browserslist config
* in closest folder
*/
path?: string
/**
* Environment to choose part of config.
*/
env?: string
}
}
declare global {
namespace NodeJS {
interface ProcessEnv {
BROWSERSLIST?: string
BROWSERSLIST_CONFIG?: string
BROWSERSLIST_DANGEROUS_EXTEND?: string
BROWSERSLIST_DISABLE_CACHE?: string
BROWSERSLIST_ENV?: string
BROWSERSLIST_IGNORE_OLD_DATA?: string
BROWSERSLIST_STATS?: string
BROWSERSLIST_ROOT_PATH?: string
}
}
}
export = browserslist
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var bbm = require('baseline-browser-mapping')
var jsReleases = require('node-releases/data/processed/envs.json')
var agents = require('caniuse-lite/dist/unpacker/agents').agents
var e2c = require('electron-to-chromium/versions')
var jsEOL = require('node-releases/data/release-schedule/release-schedule.json')
var path = require('path')
var BrowserslistError = require('./error')
var env = require('./node')
var parseWithoutCache = require('./parse') // Will load browser.js in webpack
var YEAR = 365.259641 * 24 * 60 * 60 * 1000
var ANDROID_EVERGREEN_FIRST = '37'
var OP_MOB_BLINK_FIRST = 14
var FIREFOX_ESR_VERSION = '140'
// Helpers
function isVersionsMatch(versionA, versionB) {
return (versionA + '.').indexOf(versionB + '.') === 0
}
function isEolReleased(name) {
var version = name.slice(1)
return browserslist.nodeVersions.some(function (i) {
return isVersionsMatch(i, version)
})
}
function normalize(versions) {
return versions.filter(function (version) {
return typeof version === 'string'
})
}
function normalizeElectron(version) {
var versionToUse = version
if (version.split('.').length === 3) {
versionToUse = version.split('.').slice(0, -1).join('.')
}
return versionToUse
}
function nameMapper(name) {
return function mapName(version) {
return name + ' ' + version
}
}
function getMajor(version) {
return parseInt(version.split('.')[0])
}
function getMajorVersions(released, number) {
if (released.length === 0) return []
var majorVersions = uniq(released.map(getMajor))
var minimum = majorVersions[majorVersions.length - number]
if (!minimum) {
return released
}
var selected = []
for (var i = released.length - 1; i >= 0; i--) {
if (minimum > getMajor(released[i])) break
selected.unshift(released[i])
}
return selected
}
function uniq(array) {
var filtered = []
for (var i = 0; i < array.length; i++) {
if (filtered.indexOf(array[i]) === -1) filtered.push(array[i])
}
return filtered
}
function fillUsage(result, name, data) {
for (var i in data) {
result[name + ' ' + i] = data[i]
}
}
function generateFilter(sign, version) {
if (sign === '>') {
return function (v) {
return parseLatestFloat(v) > parseLatestFloat(version)
}
} else if (sign === '>=') {
return function (v) {
return parseLatestFloat(v) >= parseLatestFloat(version)
}
} else if (sign === '<') {
return function (v) {
return parseFloat(v) < parseFloat(version)
}
} else {
return function (v) {
return parseFloat(v) <= parseFloat(version)
}
}
function parseLatestFloat(v) {
return parseFloat(v.split('-')[1] || v)
}
}
function generateSemverFilter(sign, version) {
version = version.split('.').map(parseSimpleInt)
version[1] = version[1] || 0
version[2] = version[2] || 0
if (sign === '>') {
return function (v) {
v = v.split('.').map(parseSimpleInt)
return compareSemver(v, version) > 0
}
} else if (sign === '>=') {
return function (v) {
v = v.split('.').map(parseSimpleInt)
return compareSemver(v, version) >= 0
}
} else if (sign === '<') {
return function (v) {
v = v.split('.').map(parseSimpleInt)
return compareSemver(version, v) > 0
}
} else {
return function (v) {
v = v.split('.').map(parseSimpleInt)
return compareSemver(version, v) >= 0
}
}
}
function parseSimpleInt(x) {
return parseInt(x)
}
function compare(a, b) {
if (a < b) return -1
if (a > b) return +1
return 0
}
function compareSemver(a, b) {
return (
compare(parseInt(a[0]), parseInt(b[0])) ||
compare(parseInt(a[1] || '0'), parseInt(b[1] || '0')) ||
compare(parseInt(a[2] || '0'), parseInt(b[2] || '0'))
)
}
// this follows the npm-like semver behavior
function semverFilterLoose(operator, range) {
range = range.split('.').map(parseSimpleInt)
if (typeof range[1] === 'undefined') {
range[1] = 'x'
}
// ignore any patch version because we only return minor versions
// range[2] = 'x'
switch (operator) {
case '<=':
return function (version) {
version = version.split('.').map(parseSimpleInt)
return compareSemverLoose(version, range) <= 0
}
case '>=':
default:
return function (version) {
version = version.split('.').map(parseSimpleInt)
return compareSemverLoose(version, range) >= 0
}
}
}
// this follows the npm-like semver behavior
function compareSemverLoose(version, range) {
if (version[0] !== range[0]) {
return version[0] < range[0] ? -1 : +1
}
if (range[1] === 'x') {
return 0
}
if (version[1] !== range[1]) {
return version[1] < range[1] ? -1 : +1
}
return 0
}
function resolveVersion(data, version) {
if (data.versions.indexOf(version) !== -1) {
return version
} else if (browserslist.versionAliases[data.name][version]) {
return browserslist.versionAliases[data.name][version]
} else {
return false
}
}
function normalizeVersion(data, version) {
var resolved = resolveVersion(data, version)
if (resolved) {
return resolved
} else if (data.versions.length === 1) {
return data.versions[0]
} else {
return false
}
}
function filterByYear(since, context) {
since = since / 1000
return Object.keys(agents).reduce(function (selected, name) {
var data = byName(name, context)
if (!data) return selected
var versions = Object.keys(data.releaseDate).filter(function (v) {
var date = data.releaseDate[v]
return date !== null && date >= since
})
return selected.concat(versions.map(nameMapper(data.name)))
}, [])
}
function cloneData(data) {
return {
name: data.name,
versions: data.versions,
released: data.released,
releaseDate: data.releaseDate
}
}
function byName(name, context) {
name = name.toLowerCase()
name = browserslist.aliases[name] || name
if (context.mobileToDesktop && browserslist.desktopNames[name]) {
var desktop = browserslist.data[browserslist.desktopNames[name]]
if (name === 'android') {
return normalizeAndroidData(cloneData(browserslist.data[name]), desktop)
} else {
var cloned = cloneData(desktop)
cloned.name = name
return cloned
}
}
return browserslist.data[name]
}
function normalizeAndroidVersions(androidVersions, chromeVersions) {
var iFirstEvergreen = chromeVersions.indexOf(ANDROID_EVERGREEN_FIRST)
return androidVersions
.filter(function (version) {
return /^(?:[2-4]\.|[34]$)/.test(version)
})
.concat(chromeVersions.slice(iFirstEvergreen))
}
var DANGEROUS_KEYS = ['__proto__', 'constructor', 'prototype']
function copyObject(obj) {
var copy = {}
for (var key in obj) {
if (DANGEROUS_KEYS.indexOf(key) === -1) {
copy[key] = obj[key]
}
}
return copy
}
function normalizeAndroidData(android, chrome) {
android.released = normalizeAndroidVersions(android.released, chrome.released)
android.versions = normalizeAndroidVersions(android.versions, chrome.versions)
android.releaseDate = copyObject(android.releaseDate)
android.released.forEach(function (v) {
if (android.releaseDate[v] === undefined) {
android.releaseDate[v] = chrome.releaseDate[v]
}
})
return android
}
function checkName(name, context) {
var data = byName(name, context)
if (!data) throw new BrowserslistError('Unknown browser ' + name)
return data
}
function unknownQuery(query) {
return new BrowserslistError(
'Unknown browser query `' +
query +
'`. ' +
'Maybe you are using old Browserslist or made typo in query.'
)
}
// Adjusts last X versions queries for some mobile browsers,
// where caniuse data jumps from a legacy version to the latest
function filterJumps(list, name, nVersions, context) {
var jump = 1
switch (name) {
case 'android':
if (context.mobileToDesktop) return list
var released = browserslist.data.chrome.released
jump = released.length - released.indexOf(ANDROID_EVERGREEN_FIRST)
break
case 'op_mob':
var latest = browserslist.data.op_mob.released.slice(-1)[0]
jump = getMajor(latest) - OP_MOB_BLINK_FIRST + 1
break
default:
return list
}
if (nVersions <= jump) {
return list.slice(-1)
}
return list.slice(jump - 1 - nVersions)
}
function isSupported(flags, withPartial) {
return (
typeof flags === 'string' &&
(flags.indexOf('y') >= 0 || (withPartial && flags.indexOf('a') >= 0))
)
}
function resolve(queries, context) {
return parseQueries(queries).reduce(function (result, node, index) {
if (node.not && index === 0) {
throw new BrowserslistError(
'Write any browsers query (for instance, `defaults`) ' +
'before `' +
node.query +
'`'
)
}
var type = QUERIES[node.type]
var array = type.select.call(browserslist, context, node).map(function (j) {
var parts = j.split(' ')
if (parts[1] === '0') {
return parts[0] + ' ' + byName(parts[0], context).versions[0]
} else {
return j
}
})
if (node.compose === 'and') {
if (node.not) {
return result.filter(function (j) {
return array.indexOf(j) === -1
})
} else {
return result.filter(function (j) {
return array.indexOf(j) !== -1
})
}
} else {
if (node.not) {
var filter = {}
array.forEach(function (j) {
filter[j] = true
})
return result.filter(function (j) {
return !filter[j]
})
}
return result.concat(array)
}
}, [])
}
function prepareOpts(opts) {
if (typeof opts === 'undefined') opts = {}
if (typeof opts.path === 'undefined') {
opts.path = path.resolve ? path.resolve('.') : '.'
}
return opts
}
function prepareQueries(queries, opts) {
if (typeof queries === 'undefined' || queries === null) {
var config = browserslist.loadConfig(opts)
if (config) {
queries = config
} else {
queries = browserslist.defaults
}
}
return queries
}
function checkQueries(queries) {
if (!(typeof queries === 'string' || Array.isArray(queries))) {
throw new BrowserslistError(
'Browser queries must be an array or string. Got ' + typeof queries + '.'
)
}
}
var cache = {}
var parseCache = {}
function browserslist(queries, opts) {
opts = prepareOpts(opts)
queries = prepareQueries(queries, opts)
checkQueries(queries)
var needsPath = parseQueries(queries).some(function (node) {
return QUERIES[node.type].needsPath
})
var context = {
ignoreUnknownVersions: opts.ignoreUnknownVersions,
dangerousExtend: opts.dangerousExtend,
throwOnMissing: opts.throwOnMissing,
mobileToDesktop: opts.mobileToDesktop,
env: opts.env
}
// Removing to avoid using context.path without marking query as needsPath
if (needsPath) {
context.path = opts.path
}
env.oldDataWarning(browserslist.data)
var stats = env.getStat(opts, browserslist.data)
if (stats) {
context.customUsage = {}
for (var browser in stats) {
fillUsage(context.customUsage, browser, stats[browser])
}
}
var cacheKey = JSON.stringify([queries, context])
if (cache[cacheKey]) return cache[cacheKey]
var result = uniq(resolve(queries, context)).sort(function (name1, name2) {
name1 = name1.split(' ')
name2 = name2.split(' ')
if (name1[0] === name2[0]) {
// assumptions on caniuse data
// 1) version ranges never overlaps
// 2) if version is not a range, it never contains `-`
var version1 = name1[1].split('-')[0]
var version2 = name2[1].split('-')[0]
return compareSemver(version2.split('.'), version1.split('.'))
} else {
return compare(name1[0], name2[0])
}
})
if (!env.env.BROWSERSLIST_DISABLE_CACHE) {
cache[cacheKey] = result
}
return result
}
function parseQueries(queries) {
var cacheKey = JSON.stringify(queries)
if (cacheKey in parseCache) return parseCache[cacheKey]
var result = parseWithoutCache(QUERIES, queries)
if (!env.env.BROWSERSLIST_DISABLE_CACHE) {
parseCache[cacheKey] = result
}
return result
}
function loadCustomUsage(context, config) {
var stats = env.loadStat(context, config, browserslist.data)
if (stats) {
context.customUsage = {}
for (var browser in stats) {
fillUsage(context.customUsage, browser, stats[browser])
}
}
if (!context.customUsage) {
throw new BrowserslistError('Custom usage statistics was not provided')
}
return context.customUsage
}
browserslist.parse = function (queries, opts) {
opts = prepareOpts(opts)
queries = prepareQueries(queries, opts)
checkQueries(queries)
return parseQueries(queries)
}
// Will be filled by Can I Use data below
browserslist.cache = {}
browserslist.data = {}
browserslist.usage = {
global: {},
custom: null
}
// Default browsers query
browserslist.defaults = ['> 0.5%', 'last 2 versions', 'Firefox ESR', 'not dead']
// Browser names aliases
browserslist.aliases = {
fx: 'firefox',
ff: 'firefox',
ios: 'ios_saf',
explorer: 'ie',
blackberry: 'bb',
explorermobile: 'ie_mob',
operamini: 'op_mini',
operamobile: 'op_mob',
chromeandroid: 'and_chr',
firefoxandroid: 'and_ff',
ucandroid: 'and_uc',
qqandroid: 'and_qq'
}
// Can I Use only provides a few versions for some browsers (e.g. and_chr).
// Fallback to a similar browser for unknown versions
// Note op_mob is not included as its chromium versions are not in sync with Opera desktop
browserslist.desktopNames = {
and_chr: 'chrome',
and_ff: 'firefox',
ie_mob: 'ie',
android: 'chrome' // has extra processing logic
}
// Aliases to work with joined versions like `ios_saf 7.0-7.1`
browserslist.versionAliases = {}
browserslist.clearCaches = env.clearCaches
browserslist.parseConfig = env.parseConfig
browserslist.readConfig = env.readConfig
browserslist.findConfigFile = env.findConfigFile
browserslist.findConfig = env.findConfig
browserslist.loadConfig = env.loadConfig
browserslist.coverage = function (browsers, stats) {
var data
if (typeof stats === 'undefined') {
data = browserslist.usage.global
} else if (stats === 'my stats') {
var opts = {}
opts.path = path.resolve ? path.resolve('.') : '.'
var customStats = env.getStat(opts)
if (!customStats) {
throw new BrowserslistError('Custom usage statistics was not provided')
}
data = {}
for (var browser in customStats) {
fillUsage(data, browser, customStats[browser])
}
} else if (typeof stats === 'string') {
if (stats.length > 2) {
stats = stats.toLowerCase()
} else {
stats = stats.toUpperCase()
}
env.loadCountry(browserslist.usage, stats, browserslist.data)
data = browserslist.usage[stats]
} else {
if ('dataByBrowser' in stats) {
stats = stats.dataByBrowser
}
data = {}
for (var name in stats) {
for (var version in stats[name]) {
data[name + ' ' + version] = stats[name][version]
}
}
}
return browsers.reduce(function (all, i) {
var usage = data[i]
if (usage === undefined) {
usage = data[i.replace(/ \S+$/, ' 0')]
}
return all + (usage || 0)
}, 0)
}
function nodeQuery(context, node) {
var matched = browserslist.nodeVersions.filter(function (i) {
return isVersionsMatch(i, node.version)
})
if (matched.length === 0) {
if (context.ignoreUnknownVersions) {
return []
} else {
throw new BrowserslistError(
'Unknown version ' + node.version + ' of Node.js'
)
}
}
return ['node ' + matched[matched.length - 1]]
}
function sinceQuery(context, node) {
var year = parseInt(node.year)
var month = parseInt(node.month || '01') - 1
var day = parseInt(node.day || '01')
return filterByYear(Date.UTC(year, month, day, 0, 0, 0), context)
}
function bbmTransform(bbmVersions) {
var browsers = {
chrome: 'chrome',
chrome_android: 'and_chr',
edge: 'edge',
firefox: 'firefox',
firefox_android: 'and_ff',
safari: 'safari',
safari_ios: 'ios_saf',
webview_android: 'android',
samsunginternet_android: 'samsung',
opera_android: 'op_mob',
opera: 'opera',
qq_android: 'and_qq',
uc_android: 'and_uc',
kai_os: 'kaios'
}
return bbmVersions
.filter(function (version) {
return Object.keys(browsers).indexOf(version.browser) !== -1
})
.map(function (version) {
return browsers[version.browser] + ' >= ' + version.version
})
}
function coverQuery(context, node) {
var coverage = parseFloat(node.coverage)
var usage = browserslist.usage.global
if (node.place) {
if (node.place.match(/^my\s+stats$/i)) {
if (!context.customUsage) {
throw new BrowserslistError('Custom usage statistics was not provided')
}
usage = context.customUsage
} else {
var place
if (node.place.length === 2) {
place = node.place.toUpperCase()
} else {
place = node.place.toLowerCase()
}
env.loadCountry(browserslist.usage, place, browserslist.data)
usage = browserslist.usage[place]
}
} else if (node.config) {
usage = loadCustomUsage(context, node.config)
}
var versions = Object.keys(usage).sort(function (a, b) {
return usage[b] - usage[a]
})
var covered = 0
var result = []
var version
for (var i = 0; i < versions.length; i++) {
version = versions[i]
if (usage[version] === 0) break
covered += usage[version]
result.push(version)
if (covered >= coverage) break
}
return result
}
var QUERIES = {
last_major_versions: {
matches: ['versions'],
regexp: /^last\s+(\d+)\s+major\s+versions?$/i,
select: function (context, node) {
return Object.keys(agents).reduce(function (selected, name) {
var data = byName(name, context)
if (!data) return selected
var list = getMajorVersions(data.released, node.versions)
list = list.map(nameMapper(data.name))
list = filterJumps(list, data.name, node.versions, context)
return selected.concat(list)
}, [])
}
},
last_versions: {
matches: ['versions'],
regexp: /^last\s+(\d+)\s+versions?$/i,
select: function (context, node) {
return Object.keys(agents).reduce(function (selected, name) {
var data = byName(name, context)
if (!data) return selected
var list = data.released.slice(-node.versions)
list = list.map(nameMapper(data.name))
list = filterJumps(list, data.name, node.versions, context)
return selected.concat(list)
}, [])
}
},
last_electron_major_versions: {
matches: ['versions'],
regexp: /^last\s+(\d+)\s+electron\s+major\s+versions?$/i,
select: function (context, node) {
var validVersions = getMajorVersions(Object.keys(e2c), node.versions)
return validVersions.map(function (i) {
return 'chrome ' + e2c[i]
})
}
},
last_node_major_versions: {
matches: ['versions'],
regexp: /^last\s+(\d+)\s+node\s+major\s+versions?$/i,
select: function (context, node) {
return getMajorVersions(browserslist.nodeVersions, node.versions).map(
function (version) {
return 'node ' + version
}
)
}
},
last_browser_major_versions: {
matches: ['versions', 'browser'],
regexp: /^last\s+(\d+)\s+(\w+)\s+major\s+versions?$/i,
select: function (context, node) {
var data = checkName(node.browser, context)
var validVersions = getMajorVersions(data.released, node.versions)
var list = validVersions.map(nameMapper(data.name))
list = filterJumps(list, data.name, node.versions, context)
return list
}
},
last_electron_versions: {
matches: ['versions'],
regexp: /^last\s+(\d+)\s+electron\s+versions?$/i,
select: function (context, node) {
return Object.keys(e2c)
.slice(-node.versions)
.map(function (i) {
return 'chrome ' + e2c[i]
})
}
},
last_node_versions: {
matches: ['versions'],
regexp: /^last\s+(\d+)\s+node\s+versions?$/i,
select: function (context, node) {
return browserslist.nodeVersions
.slice(-node.versions)
.map(function (version) {
return 'node ' + version
})
}
},
last_browser_versions: {
matches: ['versions', 'browser'],
regexp: /^last\s+(\d+)\s+(\w+)\s+versions?$/i,
select: function (context, node) {
var data = checkName(node.browser, context)
var list = data.released.slice(-node.versions).map(nameMapper(data.name))
list = filterJumps(list, data.name, node.versions, context)
return list
}
},
unreleased_versions: {
matches: [],
regexp: /^unreleased\s+versions$/i,
select: function (context) {
return Object.keys(agents).reduce(function (selected, name) {
var data = byName(name, context)
if (!data) return selected
var list = data.versions.filter(function (v) {
return data.released.indexOf(v) === -1
})
list = list.map(nameMapper(data.name))
return selected.concat(list)
}, [])
}
},
unreleased_electron_versions: {
matches: [],
regexp: /^unreleased\s+electron\s+versions?$/i,
select: function () {
return []
}
},
unreleased_browser_versions: {
matches: ['browser'],
regexp: /^unreleased\s+(\w+)\s+versions?$/i,
select: function (context, node) {
var data = checkName(node.browser, context)
return data.versions
.filter(function (v) {
return data.released.indexOf(v) === -1
})
.map(nameMapper(data.name))
}
},
last_years: {
matches: ['years'],
regexp: /^last\s+((\d+\.)?\d+)\s+years?$/i,
select: function (context, node) {
return filterByYear(Date.now() - YEAR * node.years, context)
}
},
since_y: {
matches: ['year'],
regexp: /^since (\d+)$/i,
select: sinceQuery
},
since_y_m: {
matches: ['year', 'month'],
regexp: /^since (\d+)-(\d+)$/i,
select: sinceQuery
},
since_y_m_d: {
matches: ['year', 'month', 'day'],
regexp: /^since (\d+)-(\d+)-(\d+)$/i,
select: sinceQuery
},
baseline: {
matches: ['year', 'availability', 'date', 'downstream', 'kaios'],
// Matches:
// baseline 2024
// baseline newly available
// baseline widely available
// baseline widely available on 2024-06-01
// ...with downstream
// ...including kaios
regexp:
/^baseline\s+(?:(\d+)|(newly|widely)\s+available(?:\s+on\s+(\d{4}-\d{2}-\d{2}))?)?(\s+with\s+downstream)?(\s+including\s+kaios)?$/i,
select: function (context, node) {
var baselineVersions
var includeDownstream = !!node.downstream
var includeKaiOS = !!node.kaios
var availability = node.availability && node.availability.toLowerCase()
if (availability === 'newly' && node.date) {
throw new BrowserslistError(
'Using newly available with a date is not supported, please use "widely available on YYYY-MM-DD" and add 30 months to the date you specified.'
)
}
if (node.year) {
baselineVersions = bbm.getCompatibleVersions({
targetYear: node.year,
includeDownstreamBrowsers: includeDownstream,
includeKaiOS: includeKaiOS,
suppressWarnings: true
})
} else if (node.date) {
baselineVersions = bbm.getCompatibleVersions({
widelyAvailableOnDate: node.date,
includeDownstreamBrowsers: includeDownstream,
includeKaiOS: includeKaiOS,
suppressWarnings: true
})
} else if (availability === 'newly') {
var future30months = new Date().setMonth(new Date().getMonth() + 30)
baselineVersions = bbm.getCompatibleVersions({
widelyAvailableOnDate: future30months,
includeDownstreamBrowsers: includeDownstream,
includeKaiOS: includeKaiOS,
suppressWarnings: true
})
} else {
baselineVersions = bbm.getCompatibleVersions({
includeDownstreamBrowsers: includeDownstream,
includeKaiOS: includeKaiOS,
suppressWarnings: true
})
}
return resolve(bbmTransform(baselineVersions), context)
}
},
popularity: {
matches: ['sign', 'popularity'],
regexp: /^(>=?|<=?)\s*(\d+|\d+\.\d+|\.\d+)%$/,
select: function (context, node) {
var popularity = parseFloat(node.popularity)
var usage = browserslist.usage.global
return Object.keys(usage).reduce(function (result, version) {
if (node.sign === '>') {
if (usage[version] > popularity) {
result.push(version)
}
} else if (node.sign === '<') {
if (usage[version] < popularity) {
result.push(version)
}
} else if (node.sign === '<=') {
if (usage[version] <= popularity) {
result.push(version)
}
} else if (usage[version] >= popularity) {
result.push(version)
}
return result
}, [])
}
},
popularity_in_my_stats: {
matches: ['sign', 'popularity'],
regexp: /^(>=?|<=?)\s*(\d+|\d+\.\d+|\.\d+)%\s+in\s+my\s+stats$/,
select: function (context, node) {
var popularity = parseFloat(node.popularity)
if (!context.customUsage) {
throw new BrowserslistError('Custom usage statistics was not provided')
}
var usage = context.customUsage
return Object.keys(usage).reduce(function (result, version) {
var percentage = usage[version]
if (percentage == null) {
return result
}
if (node.sign === '>') {
if (percentage > popularity) {
result.push(version)
}
} else if (node.sign === '<') {
if (percentage < popularity) {
result.push(version)
}
} else if (node.sign === '<=') {
if (percentage <= popularity) {
result.push(version)
}
} else if (percentage >= popularity) {
result.push(version)
}
return result
}, [])
}
},
popularity_in_config_stats: {
matches: ['sign', 'popularity', 'config'],
regexp: /^(>=?|<=?)\s*(\d+|\d+\.\d+|\.\d+)%\s+in\s+(\S+)\s+stats$/,
select: function (context, node) {
var popularity = parseFloat(node.popularity)
var usage = loadCustomUsage(context, node.config)
return Object.keys(usage).reduce(function (result, version) {
var percentage = usage[version]
if (percentage == null) {
return result
}
if (node.sign === '>') {
if (percentage > popularity) {
result.push(version)
}
} else if (node.sign === '<') {
if (percentage < popularity) {
result.push(version)
}
} else if (node.sign === '<=') {
if (percentage <= popularity) {
result.push(version)
}
} else if (percentage >= popularity) {
result.push(version)
}
return result
}, [])
}
},
popularity_in_place: {
matches: ['sign', 'popularity', 'place'],
regexp: /^(>=?|<=?)\s*(\d+|\d+\.\d+|\.\d+)%\s+in\s+((alt-)?\w\w)$/,
select: function (context, node) {
var popularity = parseFloat(node.popularity)
var place = node.place
if (place.length === 2) {
place = place.toUpperCase()
} else {
place = place.toLowerCase()
}
env.loadCountry(browserslist.usage, place, browserslist.data)
var usage = browserslist.usage[place]
return Object.keys(usage).reduce(function (result, version) {
var percentage = usage[version]
if (percentage == null) {
return result
}
if (node.sign === '>') {
if (percentage > popularity) {
result.push(version)
}
} else if (node.sign === '<') {
if (percentage < popularity) {
result.push(version)
}
} else if (node.sign === '<=') {
if (percentage <= popularity) {
result.push(version)
}
} else if (percentage >= popularity) {
result.push(version)
}
return result
}, [])
}
},
cover: {
matches: ['coverage'],
regexp: /^cover\s+(\d+|\d+\.\d+|\.\d+)%$/i,
select: coverQuery
},
cover_in: {
matches: ['coverage', 'place'],
regexp: /^cover\s+(\d+|\d+\.\d+|\.\d+)%\s+in\s+(my\s+stats|(alt-)?\w\w)$/i,
select: coverQuery
},
cover_config: {
matches: ['coverage', 'config'],
regexp: /^cover\s+(\d+|\d+\.\d+|\.\d+)%\s+in\s+(\S+)\s+stats$/i,
select: coverQuery
},
supports: {
matches: ['supportType', 'feature'],
regexp: /^(?:(fully|partially)\s+)?supports\s+([\w-]+)$/,
select: function (context, node) {
env.loadFeature(browserslist.cache, node.feature)
var withPartial = node.supportType !== 'fully'
var features = browserslist.cache[node.feature]
var result = []
for (var name in features) {
var data = byName(name, context)
// Only check desktop when latest released mobile has support
var iMax = data.released.length - 1
while (iMax >= 0) {
if (data.released[iMax] in features[name]) break
iMax--
}
var checkDesktop =
context.mobileToDesktop &&
name in browserslist.desktopNames &&
isSupported(features[name][data.released[iMax]], withPartial)
data.versions.forEach(function (version) {
var flags = features[name][version]
if (flags === undefined && checkDesktop) {
flags = features[browserslist.desktopNames[name]][version]
}
if (isSupported(flags, withPartial)) {
result.push(name + ' ' + version)
}
})
}
return result
}
},
electron_range: {
matches: ['from', 'to'],
regexp: /^electron\s+([\d.]+)\s*-\s*([\d.]+)$/i,
select: function (context, node) {
var fromToUse = normalizeElectron(node.from)
var toToUse = normalizeElectron(node.to)
var from = parseFloat(node.from)
var to = parseFloat(node.to)
if (!e2c[fromToUse]) {
throw new BrowserslistError('Unknown version ' + from + ' of electron')
}
if (!e2c[toToUse]) {
throw new BrowserslistError('Unknown version ' + to + ' of electron')
}
return Object.keys(e2c)
.filter(semverFilterLoose('>=', node.from))
.filter(semverFilterLoose('<=', node.to))
.map(function (i) {
return 'chrome ' + e2c[i]
})
}
},
node_range: {
matches: ['from', 'to'],
regexp: /^node\s+([\d.]+)\s*-\s*([\d.]+)$/i,
select: function (context, node) {
return browserslist.nodeVersions
.filter(semverFilterLoose('>=', node.from))
.filter(semverFilterLoose('<=', node.to))
.map(function (v) {
return 'node ' + v
})
}
},
browser_range: {
matches: ['browser', 'from', 'to'],
regexp: /^(\w+)\s+([\d.]+)\s*-\s*([\d.]+)$/i,
select: function (context, node) {
var data = checkName(node.browser, context)
var from = parseFloat(normalizeVersion(data, node.from) || node.from)
var to = parseFloat(normalizeVersion(data, node.to) || node.to)
function filter(v) {
var parsed = parseFloat(v)
return parsed >= from && parsed <= to
}
return data.released.filter(filter).map(nameMapper(data.name))
}
},
electron_ray: {
matches: ['sign', 'version'],
regexp: /^electron\s*(>=?|<=?)\s*([\d.]+)$/i,
select: function (context, node) {
var versionToUse = normalizeElectron(node.version)
return Object.keys(e2c)
.filter(generateFilter(node.sign, versionToUse))
.map(function (i) {
return 'chrome ' + e2c[i]
})
}
},
node_ray: {
matches: ['sign', 'version'],
regexp: /^node\s*(>=?|<=?)\s*([\d.]+)$/i,
select: function (context, node) {
return browserslist.nodeVersions
.filter(generateSemverFilter(node.sign, node.version))
.map(function (v) {
return 'node ' + v
})
}
},
browser_ray: {
matches: ['browser', 'sign', 'version'],
regexp: /^(\w+)\s*(>=?|<=?)\s*([\d.]+|esr)$/i,
select: function (context, node) {
var version = node.version
var data = checkName(node.browser, context)
var alias = browserslist.versionAliases[data.name][version.toLowerCase()]
if (alias) version = alias
if (!/[\d.]+/.test(version)) {
throw new BrowserslistError(
'Unknown version ' + version + ' of ' + node.browser
)
}
return data.released
.filter(generateFilter(node.sign, version))
.map(function (v) {
return data.name + ' ' + v
})
}
},
firefox_esr: {
matches: [],
regexp: /^(firefox|ff|fx)\s+esr$/i,
select: function () {
return ['firefox ' + FIREFOX_ESR_VERSION]
}
},
opera_mini_all: {
matches: [],
regexp: /(operamini|op_mini)\s+all/i,
select: function () {
return ['op_mini all']
}
},
electron_version: {
matches: ['version'],
regexp: /^electron\s+([\d.]+)$/i,
select: function (context, node) {
var versionToUse = normalizeElectron(node.version)
var chrome = e2c[versionToUse]
if (!chrome) {
throw new BrowserslistError(
'Unknown version ' + node.version + ' of electron'
)
}
return ['chrome ' + chrome]
}
},
node_major_version: {
matches: ['version'],
regexp: /^node\s+(\d+)$/i,
select: nodeQuery
},
node_minor_version: {
matches: ['version'],
regexp: /^node\s+(\d+\.\d+)$/i,
select: nodeQuery
},
node_patch_version: {
matches: ['version'],
regexp: /^node\s+(\d+\.\d+\.\d+)$/i,
select: nodeQuery
},
current_node: {
matches: [],
regexp: /^current\s+node$/i,
select: function (context) {
return [env.currentNode(resolve, context)]
}
},
maintained_node: {
matches: [],
regexp: /^maintained\s+node\s+versions$/i,
select: function (context) {
var now = Date.now()
var queries = Object.keys(jsEOL)
.filter(function (key) {
return (
now < Date.parse(jsEOL[key].end) &&
now > Date.parse(jsEOL[key].start) &&
isEolReleased(key)
)
})
.map(function (key) {
return 'node ' + key.slice(1)
})
return resolve(queries, context)
}
},
phantomjs_1_9: {
matches: [],
regexp: /^phantomjs\s+1.9$/i,
select: function () {
return ['safari 5']
}
},
phantomjs_2_1: {
matches: [],
regexp: /^phantomjs\s+2.1$/i,
select: function () {
return ['safari 6']
}
},
browser_version: {
matches: ['browser', 'version'],
regexp: /^(\w+)\s+(tp|[\d.]+)$/i,
select: function (context, node) {
var version = node.version
if (/^tp$/i.test(version)) version = 'TP'
var data = checkName(node.browser, context)
var alias = normalizeVersion(data, version)
if (alias) {
version = alias
} else {
if (version.indexOf('.') === -1) {
alias = version + '.0'
} else {
alias = version.replace(/\.0$/, '')
}
alias = normalizeVersion(data, alias)
if (alias) {
version = alias
} else if (context.ignoreUnknownVersions) {
return []
} else {
throw new BrowserslistError(
'Unknown version ' + version + ' of ' + node.browser
)
}
}
return [data.name + ' ' + version]
}
},
browserslist_config: {
matches: [],
regexp: /^browserslist config$/i,
needsPath: true,
select: function (context) {
return browserslist(undefined, context)
}
},
extends: {
matches: ['config'],
regexp: /^extends (.+)$/i,
needsPath: true,
select: function (context, node) {
return resolve(env.loadQueries(context, node.config), context)
}
},
defaults: {
matches: [],
regexp: /^defaults$/i,
select: function (context) {
return resolve(browserslist.defaults, context)
}
},
dead: {
matches: [],
regexp: /^dead$/i,
select: function (context) {
var dead = [
'Baidu >= 0',
'ie <= 11',
'ie_mob <= 11',
'bb <= 10',
'op_mob <= 12.1',
'samsung 4'
]
return resolve(dead, context)
}
},
unknown: {
matches: [],
regexp: /^(\w+)$/i,
select: function (context, node) {
if (byName(node.query, context)) {
throw new BrowserslistError(
'Specify versions in Browserslist query for browser ' + node.query
)
} else {
throw unknownQuery(node.query)
}
}
}
}
// Get and convert Can I Use data
;(function () {
for (var name in agents) {
var browser = agents[name]
browserslist.data[name] = {
name: name,
versions: normalize(agents[name].versions),
released: normalize(agents[name].versions.slice(0, -3)),
releaseDate: agents[name].release_date
}
fillUsage(browserslist.usage.global, name, browser.usage_global)
browserslist.versionAliases[name] = {}
for (var i = 0; i < browser.versions.length; i++) {
var full = browser.versions[i]
if (!full) continue
if (full.indexOf('-') !== -1) {
var interval = full.split('-')
for (var j = 0; j < interval.length; j++) {
browserslist.versionAliases[name][interval[j]] = full
}
}
}
}
browserslist.nodeVersions = jsReleases.map(function (release) {
return release.version
})
})()
browserslist.versionAliases.firefox.esr = FIREFOX_ESR_VERSION
module.exports = browserslist
+502
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var feature = require('caniuse-lite/dist/unpacker/feature').default
var region = require('caniuse-lite/dist/unpacker/region').default
var fs = require('fs')
var path = require('path')
var BrowserslistError = require('./error')
var IS_SECTION = /^\s*\[(.+)]\s*$/
var CONFIG_PATTERN = /^browserslist-config-/
var SCOPED_CONFIG__PATTERN = /@[^/]+(?:\/[^/]+)?\/browserslist-config(?:-|$|\/)/
var FORMAT =
'Browserslist config should be a string or an array ' +
'of strings with browser queries'
var PATHTYPE_UNKNOWN = 'unknown'
var PATHTYPE_DIR = 'directory'
var PATHTYPE_FILE = 'file'
var dataTimeChecked = false
var statCache = {}
var configPathCache = {}
var parseConfigCache = {}
function checkExtend(name) {
var use = ' Use `dangerousExtend` option to disable.'
if (!CONFIG_PATTERN.test(name) && !SCOPED_CONFIG__PATTERN.test(name)) {
throw new BrowserslistError(
'Browserslist config needs `browserslist-config-` prefix. ' + use
)
}
if (name.replace(/^@[^/]+\//, '').indexOf('.') !== -1) {
throw new BrowserslistError(
'`.` not allowed in Browserslist config name. ' + use
)
}
if (name.indexOf('node_modules') !== -1) {
throw new BrowserslistError(
'`node_modules` not allowed in Browserslist config.' + use
)
}
}
function getPathType(filepath) {
var stats
try {
stats = fs.existsSync(filepath) && fs.statSync(filepath)
} catch (err) {
/* c8 ignore start */
if (
err.code !== 'ENOENT' &&
err.code !== 'EACCES' &&
err.code !== 'ERR_ACCESS_DENIED'
) {
throw err
}
/* c8 ignore end */
}
if (stats && stats.isDirectory()) return PATHTYPE_DIR
if (stats && stats.isFile()) return PATHTYPE_FILE
return PATHTYPE_UNKNOWN
}
function isFile(file) {
return getPathType(file) === PATHTYPE_FILE
}
function isDirectory(dir) {
return getPathType(dir) === PATHTYPE_DIR
}
function eachParent(file, callback, cache) {
var loc = path.resolve(file)
var pathsForCacheResult = []
var result
do {
if (!pathInRoot(loc)) {
break
}
if (cache && loc in cache) {
result = cache[loc]
break
}
pathsForCacheResult.push(loc)
if (!isDirectory(loc)) {
continue
}
var locResult = callback(loc)
if (typeof locResult !== 'undefined') {
result = locResult
break
}
} while (loc !== (loc = path.dirname(loc)))
if (cache && !process.env.BROWSERSLIST_DISABLE_CACHE) {
pathsForCacheResult.forEach(function (cachePath) {
cache[cachePath] = result
})
}
return result
}
function pathInRoot(p) {
if (!process.env.BROWSERSLIST_ROOT_PATH) return true
var rootPath = path.resolve(process.env.BROWSERSLIST_ROOT_PATH)
if (path.relative(rootPath, p).substring(0, 2) === '..') {
return false
}
return true
}
function check(section) {
if (Array.isArray(section)) {
for (var i = 0; i < section.length; i++) {
if (typeof section[i] !== 'string') {
throw new BrowserslistError(FORMAT)
}
}
} else if (typeof section !== 'string') {
throw new BrowserslistError(FORMAT)
}
}
function pickEnv(config, opts) {
if (typeof config !== 'object') return config
var name
if (typeof opts.env === 'string') {
name = opts.env
} else if (process.env.BROWSERSLIST_ENV) {
name = process.env.BROWSERSLIST_ENV
} else if (process.env.NODE_ENV) {
name = process.env.NODE_ENV
} else {
name = 'production'
}
if (opts.throwOnMissing) {
if (name && name !== 'defaults' && !config[name]) {
throw new BrowserslistError(
'Missing config for Browserslist environment `' + name + '`'
)
}
}
return config[name] || config.defaults
}
function parsePackage(file) {
var text = fs
.readFileSync(file)
.toString()
.replace(/^\uFEFF/m, '')
var list
if (text.indexOf('"browserslist"') >= 0) {
list = JSON.parse(text).browserslist
} else if (text.indexOf('"browserlist"') >= 0) {
var config = JSON.parse(text)
if (config.browserlist && !config.browserslist) {
throw new BrowserslistError(
'`browserlist` key instead of `browserslist` in ' + file
)
}
}
if (Array.isArray(list) || typeof list === 'string') {
list = { defaults: list }
}
for (var i in list) {
check(list[i])
}
return list
}
function parsePackageOrReadConfig(file) {
if (file in parseConfigCache) {
return parseConfigCache[file]
}
var isPackage = path.basename(file) === 'package.json'
var result = isPackage ? parsePackage(file) : module.exports.readConfig(file)
if (!process.env.BROWSERSLIST_DISABLE_CACHE) {
parseConfigCache[file] = result
}
return result
}
function latestReleaseTime(agents) {
var latest = 0
for (var name in agents) {
var dates = agents[name].releaseDate || {}
for (var key in dates) {
if (latest < dates[key]) {
latest = dates[key]
}
}
}
return latest * 1000
}
function getMonthsPassed(date) {
var now = new Date()
var past = new Date(date)
var years = now.getFullYear() - past.getFullYear()
var months = now.getMonth() - past.getMonth()
return years * 12 + months
}
function normalizeStats(data, stats) {
if (!data) {
data = {}
}
if (stats && 'dataByBrowser' in stats) {
stats = stats.dataByBrowser
}
if (typeof stats !== 'object') return undefined
var normalized = {}
for (var i in stats) {
var versions = Object.keys(stats[i])
if (versions.length === 1 && data[i] && data[i].versions.length === 1) {
var normal = data[i].versions[0]
normalized[i] = {}
normalized[i][normal] = stats[i][versions[0]]
} else {
normalized[i] = stats[i]
}
}
return normalized
}
function normalizeUsageData(usageData, data) {
for (var browser in usageData) {
var browserUsage = usageData[browser]
// https://github.com/browserslist/browserslist/issues/431#issuecomment-565230615
// caniuse-db returns { 0: "percentage" } for `and_*` regional stats
if ('0' in browserUsage) {
var versions = data[browser].versions
browserUsage[versions[versions.length - 1]] = browserUsage[0]
delete browserUsage[0]
}
}
}
module.exports = {
loadQueries: function loadQueries(ctx, name) {
if (!ctx.dangerousExtend && !process.env.BROWSERSLIST_DANGEROUS_EXTEND) {
checkExtend(name)
}
var queries = require(require.resolve(name, { paths: ['.', ctx.path] }))
if (typeof queries === 'object' && queries !== null && queries.__esModule) {
queries = queries.default
}
if (queries) {
if (Array.isArray(queries)) {
return queries
} else if (typeof queries === 'object') {
if (!queries.defaults) queries.defaults = []
return pickEnv(queries, ctx, name)
}
}
throw new BrowserslistError(
'`' +
name +
'` config exports not an array of queries' +
' or an object of envs'
)
},
loadStat: function loadStat(ctx, name, data) {
if (!ctx.dangerousExtend && !process.env.BROWSERSLIST_DANGEROUS_EXTEND) {
checkExtend(name)
}
var stats = require(
// Use forward slashes for module paths, also on Windows.
require.resolve(path.posix.join(name, 'browserslist-stats.json'), {
paths: ['.']
})
)
return normalizeStats(data, stats)
},
getStat: function getStat(opts, data) {
var stats
if (opts.stats) {
stats = opts.stats
} else if (process.env.BROWSERSLIST_STATS) {
stats = process.env.BROWSERSLIST_STATS
} else if (opts.path && path.resolve && fs.existsSync) {
stats = eachParent(
opts.path,
function (dir) {
var file = path.join(dir, 'browserslist-stats.json')
return isFile(file) ? file : undefined
},
statCache
)
}
if (typeof stats === 'string') {
try {
stats = JSON.parse(fs.readFileSync(stats))
} catch (e) {
throw new BrowserslistError("Can't read " + stats)
}
}
return normalizeStats(data, stats)
},
loadConfig: function loadConfig(opts) {
if (process.env.BROWSERSLIST) {
return process.env.BROWSERSLIST
} else if (opts.config || process.env.BROWSERSLIST_CONFIG) {
var file = opts.config || process.env.BROWSERSLIST_CONFIG
return pickEnv(parsePackageOrReadConfig(file), opts)
} else if (opts.path) {
return pickEnv(module.exports.findConfig(opts.path), opts)
} else {
return undefined
}
},
loadCountry: function loadCountry(usage, country, data) {
var code = country.replace(/[^\w-]/g, '')
if (!usage[code]) {
var compressed
try {
compressed = require('caniuse-lite/data/regions/' + code + '.js')
} catch (e) {
throw new BrowserslistError('Unknown region name `' + code + '`.')
}
var usageData = region(compressed)
normalizeUsageData(usageData, data)
usage[country] = Object.create(null)
for (var i in usageData) {
for (var j in usageData[i]) {
usage[country][i + ' ' + j] = usageData[i][j]
}
}
}
},
loadFeature: function loadFeature(features, name) {
name = name.replace(/[^\w-]/g, '')
if (features[name]) return
var compressed
try {
compressed = require('caniuse-lite/data/features/' + name + '.js')
} catch (e) {
throw new BrowserslistError('Unknown feature name `' + name + '`.')
}
var stats = feature(compressed).stats
features[name] = {}
for (var i in stats) {
features[name][i] = {}
for (var j in stats[i]) {
features[name][i][j] = stats[i][j]
}
}
},
parseConfig: function parseConfig(string) {
var result = { defaults: [] }
var sections = ['defaults']
string
.toString()
.replace(/#[^\n]*/g, '')
.split(/\n|,/)
.map(function (line) {
return line.trim()
})
.filter(function (line) {
return line !== ''
})
.forEach(function (line) {
if (IS_SECTION.test(line)) {
sections = line.match(IS_SECTION)[1].trim().split(' ')
sections.forEach(function (section) {
if (result[section]) {
throw new BrowserslistError(
'Duplicate section ' + section + ' in Browserslist config'
)
}
result[section] = []
})
} else {
sections.forEach(function (section) {
result[section].push(line)
})
}
})
return result
},
readConfig: function readConfig(file) {
if (!isFile(file)) {
throw new BrowserslistError("Can't read " + file + ' config')
}
return module.exports.parseConfig(fs.readFileSync(file))
},
findConfigFile: function findConfigFile(from) {
return eachParent(
from,
function (dir) {
var config = path.join(dir, 'browserslist')
var pkg = path.join(dir, 'package.json')
var rc = path.join(dir, '.browserslistrc')
var pkgBrowserslist
if (isFile(pkg)) {
try {
pkgBrowserslist = parsePackage(pkg)
} catch (e) {
if (e.name === 'BrowserslistError') throw e
console.warn(
'[Browserslist] Could not parse ' + pkg + '. Ignoring it.'
)
}
}
if (isFile(config) && pkgBrowserslist) {
throw new BrowserslistError(
dir + ' contains both browserslist and package.json with browsers'
)
} else if (isFile(rc) && pkgBrowserslist) {
throw new BrowserslistError(
dir +
' contains both .browserslistrc and package.json with browsers'
)
} else if (isFile(config) && isFile(rc)) {
throw new BrowserslistError(
dir + ' contains both .browserslistrc and browserslist'
)
} else if (isFile(config)) {
return config
} else if (isFile(rc)) {
return rc
} else if (pkgBrowserslist) {
return pkg
}
},
configPathCache
)
},
findConfig: function findConfig(from) {
var configFile = this.findConfigFile(from)
return configFile ? parsePackageOrReadConfig(configFile) : undefined
},
clearCaches: function clearCaches() {
dataTimeChecked = false
statCache = {}
configPathCache = {}
parseConfigCache = {}
this.cache = {}
},
oldDataWarning: function oldDataWarning(agentsObj) {
if (dataTimeChecked) return
dataTimeChecked = true
if (process.env.BROWSERSLIST_IGNORE_OLD_DATA) return
var latest = latestReleaseTime(agentsObj)
var monthsPassed = getMonthsPassed(latest)
if (latest !== 0 && monthsPassed >= 6) {
if (process.env.BROWSERSLIST_TRACE_WARNING) {
console.info('Last browser release in DB: ' + String(new Date(latest)))
console.trace()
}
var months = monthsPassed + ' ' + (monthsPassed > 1 ? 'months' : 'month')
console.warn(
'Browserslist: browsers data (caniuse-lite) is ' +
months +
' old. Please run:\n' +
' npx update-browserslist-db@latest\n' +
' Why you should do it regularly: ' +
'https://github.com/browserslist/update-db#readme'
)
}
},
currentNode: function currentNode() {
return 'node ' + process.versions.node
},
env: process.env
}
+45
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@@ -0,0 +1,45 @@
{
"name": "browserslist",
"version": "4.28.6",
"description": "Share target browsers between different front-end tools, like Autoprefixer, Stylelint and babel-env-preset",
"keywords": [
"browsers",
"caniuse",
"target"
],
"license": "MIT",
"author": "Andrey Sitnik <andrey@sitnik.es>",
"repository": "browserslist/browserslist",
"funding": [
{
"type": "opencollective",
"url": "https://opencollective.com/browserslist"
},
{
"type": "tidelift",
"url": "https://tidelift.com/funding/github/npm/browserslist"
},
{
"type": "github",
"url": "https://github.com/sponsors/ai"
}
],
"bin": {
"browserslist": "cli.js"
},
"browser": {
"./node.js": "./browser.js",
"path": false
},
"types": "./index.d.ts",
"dependencies": {
"baseline-browser-mapping": "^2.10.42",
"caniuse-lite": "^1.0.30001803",
"electron-to-chromium": "^1.5.389",
"node-releases": "^2.0.51",
"update-browserslist-db": "^1.2.3"
},
"engines": {
"node": "^6 || ^7 || ^8 || ^9 || ^10 || ^11 || ^12 || >=13.7"
}
}
+78
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@@ -0,0 +1,78 @@
var AND_REGEXP = /^\s+and\s+(.*)/i
var OR_REGEXP = /^(?:,\s*|\s+or\s+)(.*)/i
function flatten(array) {
if (!Array.isArray(array)) return [array]
return array.reduce(function (a, b) {
return a.concat(flatten(b))
}, [])
}
function find(string, predicate) {
for (var max = string.length, n = 1; n <= max; n++) {
var parsed = string.substr(-n, n)
if (predicate(parsed, n, max)) {
return string.slice(0, -n)
}
}
return ''
}
function matchQuery(all, query) {
var node = { query: query }
if (query.indexOf('not ') === 0) {
node.not = true
query = query.slice(4)
}
for (var name in all) {
var type = all[name]
var match = query.match(type.regexp)
if (match) {
node.type = name
for (var i = 0; i < type.matches.length; i++) {
node[type.matches[i]] = match[i + 1]
}
return node
}
}
node.type = 'unknown'
return node
}
function matchBlock(all, string, qs) {
var node
return find(string, function (parsed, n, max) {
if (AND_REGEXP.test(parsed)) {
node = matchQuery(all, parsed.match(AND_REGEXP)[1])
node.compose = 'and'
qs.unshift(node)
return true
} else if (OR_REGEXP.test(parsed)) {
node = matchQuery(all, parsed.match(OR_REGEXP)[1])
node.compose = 'or'
qs.unshift(node)
return true
} else if (n === max) {
node = matchQuery(all, parsed.trim())
node.compose = 'or'
qs.unshift(node)
return true
}
return false
})
}
module.exports = function parse(all, queries) {
if (!Array.isArray(queries)) queries = [queries]
return flatten(
queries.map(function (block) {
var qs = []
do {
block = matchBlock(all, block, qs)
} while (block)
return qs
})
)
}