拿掉 build files

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# Change Log
This project adheres to [Semantic Versioning](http://semver.org/).
## 4.13
* Added `supports` query to select browsers (by Jesús Leganés-Combarro).
## 4.12.2
* Update Firefox ESR.
## 4.12.1
* Update `package.json` scanning tool for `--update-db` (by Luke Edwards).
* Improve docs (by Mukundan Senthil).
* Drop Node.js 13.0-13.6 support because of ES modules bug in that versions.
## 4.12
* Add environments to shared configs (by Yevgeny Petukhov).
* Fix docs (by Dmitry Statsenko and Thomas Pozzo di Borgo).
## 4.11.1
* Fix Node.js 6 support.
## 4.11
* Add `npx browserslist --mobile-to-desktop` (by James Ross).
## 4.10
* Add `npx browserslist --update-db` (by Ivan Solovev).
## 4.9.1
* Normalize incorrect Can I Use regional data (by Huáng Jùnliàng).
## 4.9
* Add `node X-Y` query support (by Yuping Zuo).
## 4.8.7
* Fix `last N major versions` (by Valeriy Trubachev).
## 4.8.6
* Fix `Unknown version 10 of op_mob` error in `mobileToDesktop` option.
## 4.8.5
* Fix `last N browsers` again after new `caniuse-db` API changes.
## 4.8.4
* Fix released versions detection for queries like `last N browsers`.
* Add IE 11 Mobile to `dead` browsers.
## 4.8.3
* Fix warning message (by Anton Ivanov).
## 4.8.2
* Fix `Cannot convert undefined or null to object` (by Antoine Clausse).
* Fix `mobileToDesktop` in `defaults` (by Huáng Jùnliàng).
## 4.8.1
* Fix Chrome and `mobileToDesktop` (by Huáng Jùnliàng).
## 4.8
* Add `> 5% in browserslist-config-my stats` query (by Andrew Leedham).
* Improve docs (by Danny van Kooten).
## 4.7.3
* Add funding link for `npm fund`.
## 4.7.2
* Add cache for query parsing.
* Improve config caching (by Kārlis Gaņģis).
* Update Firefox ESR.
## 4.7.1
* Improve caching.
## 4.7
* Add PhantomJS queries.
* Improve docs (by Dorian Koehring).
## 4.6.6
* Remove Safari from `dead` query.
## 4.6.5
* Add Samsung 4 browser to `dead` query.
* Remove dirty fix for `android all` error.
## 4.6.4
* Add Firefox 68 to `Firefox ESR` query.
## 4.6.3
* Dirty fix for `android all` error.
## 4.6.2
* Fix `last x version` and similar queries for Android (by Tony Ross).
## 4.6.1
* Fix patch version support for Electron (by Kilian Valkhof).
## 4.6
* Add `mobileToDesktop` option (by Nicolò Ribaudo).
## 4.5.6
* Make `Node > 5` and `node > 5` queries case insensitive.
## 4.5.5
* Fix CLI help (by Marcel Gerber).
* Add KaiOS browser to docs.
## 4.5.4
* Update docs (by Andrew Leedham and Dan Onoshko).
## 4.5.3
* Fix splitting string to queries.
## 4.5.2
* Show default browsers in CLI on project without config.
## 4.5.1
* Improve text for the warning about outdated `caniuse-lite`.
## 4.5
* Add `>=`, `>`, and `<=` support for Node.js version (by Mathspy Terabithian).
## 4.4.2
* Allow to have string in `package.json` (by @dmarkhas).
## 4.4.1
* Allow to use `.` in scope name of shareable config (by Gustav Nikolaj).
## 4.4
* Added `and` and `or` keywords to combine queries (by Jon Ege Ronnenberg).
## 4.3.7
* Fix fraction years support in `last 1.5 years` (by Clément P).
* Fix version-less browser support.
## 4.3.6
* Fix version-less browser support in custom statistics (by Alex Walter).
## 4.3.5
* Fix `not` query for wrong Can I Use data.
## 4.3.4
* Allow to update `node-releases` without new Browserslist releases.
## 4.3.3
* Fix Node.js 11 support.
## 4.3.2
* Fix `Unknown version 11 of Node.js` error (by Dan Onoshko).
## 4.3.1
* Fix conflict between `caniuse-lite` and custom browsers statistics.
## 4.3
* Allow to use `extends browserslist-config-a/file` (by @Schweinepriester).
## 4.2.1
* Use new `node-releases` support (by Sergey Rubanov).
## 4.2
* Add `--json` argument for CLI.
* Allow to pass multiple areas in CLI by `--coverage=US,alt-AS,global`.
## 4.1.2
* Better `unknow query` error message.
* Use latest `node-releases`.
## 4.1.1
* Update Firefox ESR versions.
## 4.1
* Add `current node` query.
* Add contributors widget to docs (by Sergey Surkov).
## 4.0.2
* Fix new `node-releases` support (by Sergey Rubanov).
* Fix error text (by Josh Smith).
## 4.0.1
* Reduce npm package size.
* Fix docs.
## 4.0.0 “Erinaceus amurensis”
* Add `node X` and `maintained node versions` queries (by Pavel Vostrikov).
* Remove Node.js 4 support.
* Show warning if `caniuse-lite` is old (by Anton Tuzhik).
* Add comma support in config file.
## 3.2.8
* Add IE 9-5.5 to dead browsers.
* Remove development configs from npm package.
## 3.2.7
* Add Firefox 60 as Firefox ESR.
## 3.2.6
* Add Opera Mini 12 to dead browsers.
* Update docs (by Jamie Kyle).
## 3.2.5
* Fix excluding Opera Mini and other browsers with `all` version.
## 3.2.4
* Resolve shareable config from current working directory.
## 3.2.3
* Fix `package.json` config validation for single string case.
* Fix CLI error reporting.
## 3.2.2
* Add `package.json` config validation.
* Move project to `browserlist` GitHub organization.
## 3.2.1
* Fix error text (by Steve Schrab).
## 3.2
* Add `cover 99%` query (by Vasily Fedoseyev).
* Add `cover 99% in US` query (by Vasily Fedoseyev).
* Add `cover 99% in my stats` query (by Vasily Fedoseyev).
* Add `"my stats"` support to `browserlist.coverage()` (by Vasily Fedoseyev).
## 3.1.2
* Add more clear error on missed browser version.
## 3.1.1
* Fix JSDoc (by Sylvain Pollet-Villard).
## 3.1
* Add `ignoreUnknownVersions` option.
* Fix docs (by Pascal Duez).
## 3.0 “Atelerix sclateri”
* Remove country statistics from client-side build of Browserslist.
* Change `> 1%` to `> 0.5%` in default query.
* Add `not dead` to default query.
* Change default environment to `production` (by Marco Fugaro).
* Add `dead` query support with IE 10 and BlackBerry browser.
* Add multiple environments in one section support (by Evilebot Tnawi).
* Add custom statistics support to `browserlist.coverage()`.
* Fix `path` option check.
## 2.11.3
* Fix for `path: undefined` option.
## 2.11.2
* Remove Node.js specific code from webpack build.
## 2.11.1
* Fix using Browserslist in browser with `path` but without `fs`.
## 2.11
* Add `last 2 years` query support (by James Harris).
## 2.10.2
* Fix Browserify support.
## 2.10.1
* Fix using Browserslist without `process` (by Andrew Patton).
## 2.10
* Add `< 1%` and `<= 1%` queries support (by August Kaiser).
## 2.9.1
* Fix unknown query on trailing spaces in query.
## 2.9
* Add `last Electron versions` and `last Electron major versions` queries
(by Louis Mouhat).
## 2.8
* Add `since 2016-03` and `since 2016-03-20` queries support (by Andrew Blick).
## 2.7
* Add `since 2016` queries support (by Igor Deryabin).
## 2.6.1
* Fix `Path must be a string` error.
## 2.6
* By default load config from current directory in CLI tool.
## 2.5.1
* Allow `@scope/browserlist-config` config name (by Jamie Connolly).
## 2.5
* Add `extends` query (by YellowKirby).
## 2.4.1
* Throw error if `package.json` contain `browserlist` instead of `browserslist`.
## 2.4
* Add `last n major versions` query (by John Sanders).
## 2.3.3
* Fix browsers support.
## 2.3.2
* Fix `> 0` query for browsers with one version (by Nikolay Solovyov).
## 2.3.1
* Reduce library size.
## 2.3
* Add `unreleased versions` and `unreleased Chrome versions` queries.
## 2.2.2
* Fix `Path must be a string` error (by Pieter Beulque).
## 2.2.1
* Fix security issue with regions dynamic `require`.
## 2.2
* Add region usage statistics support (by Clément P).
## 2.1.5
* Remove Firefox 45 from Firefox ESR.
## 2.1.4
* Use both ESR versions when they actual.
## 2.1.3
* Add warning on first exclude query.
## 2.1.2
* Fix non-Node.js environments support.
## 2.1.1
* Fix CLI arguments parsing.
## 2.1
* Add `>= 5%`, `>= 5% in US` and `>= 5% in my stats` queries.
## 2.0 “Atelerix frontalis”
* `last n versions` returns versions for all browsers, not only main browsers.
* Cache file system operations (by Aarni Koskela).
* Use `caniuse-lite` 1 MB instead of `caniuse-db` 7 MB (by Ben Briggs).
* Add `.browserslistrc` config support.
* Add QQ Browser for Android support.
* Add tests for CLI (by Zhulduz Zhankenova).
## 1.7.7
* Update Firefox ESR.
## 1.7.6
* Fix Android Chrome selection.
## 1.7.5
* Fix combining `not` query with country based statistics.
* Fix `--env` argument in CLI (by Tuure Savuoja).
## 1.7.4
* Speed up browser sorting (by Aarni Koskela).
## 1.7.3
* Fix config finding when directory was passed to `path` (by Aarni Koskela).
## 1.7.2
* Fix config finding algorithm (by Aarni Koskela).
## 1.7.1
* Fix unreleased browsers version detection.
## 1.7
* Add `--config` and `--env` arguments to CLI (by Jarek Rencz).
## 1.6
* Convert Electron version to Chrome (by Kilian Valkhof).
* Fix `0` version mistake in Can I Use data.
## 1.5.2
* Fix browser versions ordering (by Marco Massarotto).
## 1.5.1
* Fix error on `package.json` and `browserslist` in same directory.
## 1.5
* Add `package.json` support (by Stepan Kuzmin).
* Add environments support (by Maksim Semenov and openlibser).
* Add `browserslist-stats.json` file support (by Oleh Aloshkin).
* Add `config` option to CLI (by Evilebot Tnawi).
* Add JSDoc.
* Fix tests on Windows (by Anna Stoliar).
* Dont set custom usage statistics globally.
## 1.4
* Add `defaults` keyword.
## 1.3.6
* Add `UCAndroid` alias to `and_uc` (by Evilebot Tnawi).
## 1.3.5
* Fix Opera Mini support. Use `op_mini all`.
## 1.3.4
* Add space-less `>1%` and `>.5%` syntax support (by Andreas Lind).
## 1.3.3
* Clean `0` versions in some country-based requests.
## 1.3.2
* Update Firefox ESR.
## 1.3.1
* Add Safari TP support.
## 1.3
* Add coverage for specific country (by Joshua Wise).
## 1.2
* Add `browserslist.coverage()` method.
* Add `--coverage` and `-c` argument to CLI.
* Add `-v` argument support to CLI.
* Better error handling in CLI.
## 1.1.3
* Fix jspm support (by Sean Anderson).
## 1.1.2
* Fix jspm support (by Sean Anderson).
## 1.1.1
* Fix space-less `>10%` and `>10% in my stats` queries.
* Normalize error messages.
* Remove development files from npm package.
## 1.1
* Added query against custom browser usage data (by Daniel Rey).
## 1.0.1
* Update Firefox ESR (by Rouven Weßling).
## 1.0 “Atelerix algirus”
* Remove Opera 12.1 from default query.
* Add `not` keyword and exclude browsers by query.
* Add Microsoft Edge support (by Andrey Polischuk).
* Add CLI for debug and non-JS usage (by Luke Horvat).
* Use own class in Browserslist errors.
## 0.5
* Add version ranges `IE 6-9` (by Ben Briggs).
## 0.4
* Add `config` option and `BROWSERSLIST_CONFIG` environment variable support.
* Add symlink config support.
## 0.3.3
* Fix DynJS compatibility (by Nick Howes).
## 0.3.2
* Fix joined versions on versions query (by Vincent De Oliveira).
## 0.3.1
* Fix global variable leak (by Peter Müller).
## 0.3
* Takes queries from `BROWSERSLIST` environment variable.
## 0.2
* Return Can I Use joined versions as `ios_saf 7.0-7.1`.
## 0.1.3
* Better work with Can I Use joined versions like `ios_saf 7.0-7.1`.
* Browserslist now understands `ios_saf 7.0` or `ios_saf 7`.
## 0.1.2
* Do not create global `browserslist` var (by Maxime Thirouin).
## 0.1.1
* Sort browsers by name and version.
## 0.1 “Atelerix albiventris”
* Initial release.
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The MIT License (MIT)
Copyright 2014 Andrey Sitnik <andrey@sitnik.ru> 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 [![Cult Of Martians][cult-img]][cult]
<img width="120" height="120" alt="Browserslist logo by Anton Lovchikov"
src="https://browserslist.github.io/browserslist/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",
"not IE 11",
"maintained node versions"
]
```
Or in `.browserslistrc` config:
```yaml
# Browsers that we support
defaults
not IE 11
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.
Browserslist will take queries from tool option,
`browserslist` config, `.browserslistrc` config,
`browserslist` section in `package.json` or environment variables.
[cult-img]: https://cultofmartians.com/assets/badges/badge.svg
[cult]: https://cultofmartians.com/done.html
<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>
[stylelint-no-unsupported-browser-features]: https://github.com/ismay/stylelint-no-unsupported-browser-features
[eslint-plugin-compat]: https://github.com/amilajack/eslint-plugin-compat
[Browserslist Example]: https://github.com/browserslist/browserslist-example
[postcss-preset-env]: https://github.com/jonathantneal/postcss-preset-env
[postcss-normalize]: https://github.com/jonathantneal/postcss-normalize
[`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
[obsolete-webpack-plugin]: https://github.com/ElemeFE/obsolete-webpack-plugin
## Docs
Read **[full docs](https://github.com/browserslist/browserslist#readme)** on GitHub.
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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,
clearCaches: noop,
oldDataWarning: noop
}
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#!/usr/bin/env node
var updateDb = require('update-browserslist-db')
var fs = require('fs')
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 3 */
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 a 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]: 'y' | 'n'
}
}
/**
* 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[]
function clearCaches(): void
function parseConfig(string: string): Config
function readConfig(file: string): Config
function findConfig(...pathSegments: string[]): Config | undefined
interface LoadConfigOptions {
config?: string
path?: string
env?: string
}
function loadConfig(options: LoadConfigOptions): string[] | undefined
}
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
}
}
}
export = browserslist
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var feature = require('caniuse-lite/dist/unpacker/feature').default
var region = require('caniuse-lite/dist/unpacker/region').default
var path = require('path')
var fs = require('fs')
var BrowserslistError = require('./error')
var IS_SECTION = /^\s*\[(.+)]\s*$/
var CONFIG_PATTERN = /^browserslist-config-/
var SCOPED_CONFIG__PATTERN = /@[^/]+\/browserslist-config(-|$|\/)/
var TIME_TO_UPDATE_CANIUSE = 6 * 30 * 24 * 60 * 60 * 1000
var FORMAT =
'Browserslist config should be a string or an array ' +
'of strings with browser queries'
var dataTimeChecked = false
var filenessCache = {}
var configCache = {}
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 isFile(file) {
if (file in filenessCache) {
return filenessCache[file]
}
var result = fs.existsSync(file) && fs.statSync(file).isFile()
if (!process.env.BROWSERSLIST_DISABLE_CACHE) {
filenessCache[file] = result
}
return result
}
function eachParent(file, callback) {
var dir = isFile(file) ? path.dirname(file) : file
var loc = path.resolve(dir)
do {
var result = callback(loc)
if (typeof result !== 'undefined') return result
} while (loc !== (loc = path.dirname(loc)))
return undefined
}
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 config = JSON.parse(
fs
.readFileSync(file)
.toString()
.replace(/^\uFEFF/m, '')
)
if (config.browserlist && !config.browserslist) {
throw new BrowserslistError(
'`browserlist` key instead of `browserslist` in ' + file
)
}
var list = config.browserslist
if (Array.isArray(list) || typeof list === 'string') {
list = { defaults: list }
}
for (var i in list) {
check(list[i])
}
return list
}
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 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]
// eslint-disable-next-line max-len
// 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 (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(require.resolve(
path.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
})
}
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
if (path.basename(file) === 'package.json') {
return pickEnv(parsePackage(file), opts)
} else {
return pickEnv(module.exports.readConfig(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 = require('caniuse-lite/data/regions/' + code + '.js')
var usageData = region(compressed)
normalizeUsageData(usageData, data)
usage[country] = {}
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 = require('caniuse-lite/data/features/' + name + '.js')
var stats = feature(compressed).stats
features[name] = {}
for (var i in stats) {
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))
},
findConfig: function findConfig(from) {
from = path.resolve(from)
var passed = []
var resolved = eachParent(from, function (dir) {
if (dir in configCache) {
return configCache[dir]
}
passed.push(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 module.exports.readConfig(config)
} else if (isFile(rc)) {
return module.exports.readConfig(rc)
} else {
return pkgBrowserslist
}
})
if (!process.env.BROWSERSLIST_DISABLE_CACHE) {
passed.forEach(function (dir) {
configCache[dir] = resolved
})
}
return resolved
},
clearCaches: function clearCaches() {
dataTimeChecked = false
filenessCache = {}
configCache = {}
this.cache = {}
},
oldDataWarning: function oldDataWarning(agentsObj) {
if (dataTimeChecked) return
dataTimeChecked = true
if (process.env.BROWSERSLIST_IGNORE_OLD_DATA) return
var latest = latestReleaseTime(agentsObj)
var halfYearAgo = Date.now() - TIME_TO_UPDATE_CANIUSE
if (latest !== 0 && latest < halfYearAgo) {
console.warn(
'Browserslist: caniuse-lite is outdated. 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
}
}
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{
"_args": [
[
"browserslist@4.21.2",
"/home/node/nuxt"
]
],
"_from": "browserslist@4.21.2",
"_id": "browserslist@4.21.2",
"_inBundle": false,
"_integrity": "sha512-MonuOgAtUB46uP5CezYbRaYKBNt2LxP0yX+Pmj4LkcDFGkn9Cbpi83d9sCjwQDErXsIJSzY5oKGDbgOlF/LPAA==",
"_location": "/browserslist",
"_phantomChildren": {},
"_requested": {
"type": "version",
"registry": true,
"raw": "browserslist@4.21.2",
"name": "browserslist",
"escapedName": "browserslist",
"rawSpec": "4.21.2",
"saveSpec": null,
"fetchSpec": "4.21.2"
},
"_requiredBy": [
"/@babel/helper-compilation-targets",
"/autoprefixer",
"/caniuse-api",
"/core-js-compat",
"/postcss-colormin",
"/postcss-merge-rules",
"/postcss-minify-params",
"/postcss-normalize-unicode",
"/postcss-preset-env",
"/postcss-reduce-initial",
"/stylehacks"
],
"_resolved": "https://registry.npmjs.org/browserslist/-/browserslist-4.21.2.tgz",
"_spec": "4.21.2",
"_where": "/home/node/nuxt",
"author": {
"name": "Andrey Sitnik",
"email": "andrey@sitnik.ru"
},
"bin": {
"browserslist": "cli.js"
},
"browser": {
"./node.js": "./browser.js",
"path": false
},
"bugs": {
"url": "https://github.com/browserslist/browserslist/issues"
},
"dependencies": {
"caniuse-lite": "^1.0.30001366",
"electron-to-chromium": "^1.4.188",
"node-releases": "^2.0.6",
"update-browserslist-db": "^1.0.4"
},
"description": "Share target browsers between different front-end tools, like Autoprefixer, Stylelint and babel-env-preset",
"engines": {
"node": "^6 || ^7 || ^8 || ^9 || ^10 || ^11 || ^12 || >=13.7"
},
"funding": [
{
"type": "opencollective",
"url": "https://opencollective.com/browserslist"
},
{
"type": "tidelift",
"url": "https://tidelift.com/funding/github/npm/browserslist"
}
],
"homepage": "https://github.com/browserslist/browserslist#readme",
"keywords": [
"caniuse",
"browsers",
"target"
],
"license": "MIT",
"name": "browserslist",
"repository": {
"type": "git",
"url": "git+https://github.com/browserslist/browserslist.git"
},
"types": "./index.d.ts",
"version": "4.21.2"
}
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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 n = 1, max = string.length; n <= max; n++) {
var parsed = string.substr(-n, n)
if (predicate(parsed, n, max)) {
return string.slice(0, -n)
}
}
return ''
}
function 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
})
)
}
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var childProcess = require('child_process')
var escalade = require('escalade/sync')
var path = require('path')
var fs = require('fs')
var BrowserslistError = require('./error')
function detectLockfile () {
var packageDir = escalade('.', function (dir, names) {
return names.indexOf('package.json') !== -1 ? dir : ''
})
if (!packageDir) {
throw new BrowserslistError(
'Cannot find package.json. ' +
'Is it a right project to run npx browserslist --update-db?'
)
}
var lockfileNpm = path.join(packageDir, 'package-lock.json')
var lockfileYarn = path.join(packageDir, 'yarn.lock')
var lockfilePnpm = path.join(packageDir, 'pnpm-lock.yaml')
/* istanbul ignore next */
if (fs.existsSync(lockfilePnpm)) {
return { mode: 'pnpm', file: lockfilePnpm }
} else if (fs.existsSync(lockfileNpm)) {
return { mode: 'npm', file: lockfileNpm }
} else if (fs.existsSync(lockfileYarn)) {
return { mode: 'yarn', file: lockfileYarn }
} else {
throw new BrowserslistError(
'No lockfile found. Run "npm install", "yarn install" or "pnpm install"'
)
}
}
function getCurrentVersion (lock) {
var match
/* istanbul ignore if */
if (lock.mode === 'pnpm') {
match = /\/caniuse-lite\/([^:]+):/.exec(lock.content)
if (match[1]) return match[1]
} else if (lock.mode === 'npm') {
var dependencies = JSON.parse(lock.content).dependencies
if (dependencies && dependencies['caniuse-lite']) {
return dependencies['caniuse-lite'].version
}
} else if (lock.mode === 'yarn') {
match = /caniuse-lite@[^:]+:\n\s+version\s+"([^"]+)"/.exec(lock.content)
if (match[1]) return match[1]
}
return null
}
function getLastestInfo () {
return JSON.parse(
childProcess.execSync('npm show caniuse-lite --json').toString()
)
}
function updateLockfile (lock, latest) {
if (lock.mode === 'npm') {
var fixed = deletePackage(JSON.parse(lock.content))
return JSON.stringify(fixed, null, ' ')
} else {
var lines = lock.content.split('\n')
var i
/* istanbul ignore if */
if (lock.mode === 'pnpm') {
for (i = 0; i < lines.length; i++) {
if (lines[i].indexOf('caniuse-lite:') >= 0) {
lines[i] = lines[i].replace(/: .*$/, ': ' + latest.version)
} else if (lines[i].indexOf('/caniuse-lite') >= 0) {
lines[i] = lines[i].replace(/\/[^/:]+:/, '/' + latest.version + ':')
for (i = i + 1; i < lines.length; i++) {
if (lines[i].indexOf('integrity: ') !== -1) {
lines[i] = lines[i].replace(
/integrity: .+/, 'integrity: ' + latest.dist.integrity
)
} else if (lines[i].indexOf(' /') !== -1) {
break
}
}
}
}
} else if (lock.mode === 'yarn') {
for (i = 0; i < lines.length; i++) {
if (lines[i].indexOf('caniuse-lite@') !== -1) {
lines[i + 1] = lines[i + 1].replace(
/version "[^"]+"/, 'version "' + latest.version + '"'
)
lines[i + 2] = lines[i + 2].replace(
/resolved "[^"]+"/, 'resolved "' + latest.dist.tarball + '"'
)
lines[i + 3] = lines[i + 3].replace(
/integrity .+/, 'integrity ' + latest.dist.integrity
)
i += 4
}
}
}
return lines.join('\n')
}
}
function deletePackage (node) {
if (node.dependencies) {
delete node.dependencies['caniuse-lite']
for (var i in node.dependencies) {
node.dependencies[i] = deletePackage(node.dependencies[i])
}
}
return node
}
module.exports = function updateDB (print) {
var lock = detectLockfile()
lock.content = fs.readFileSync(lock.file).toString()
var current = getCurrentVersion(lock)
var latest = getLastestInfo()
if (typeof current === 'string') {
print('Current version: ' + current + '\n')
}
print(
'New version: ' + latest.version + '\n' +
'Updating caniuse-lite…\n'
)
fs.writeFileSync(lock.file, updateLockfile(lock, latest))
childProcess.execSync(lock.mode + ' install')
print('caniuse-lite has been successfully updated')
}