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core-js-compat

3.44.0

core-js compat

Gathering detailed insights and metrics for @core-js/compat

@core-js/compat - 4.0.0-alpha.0 | npmpackage.info

@core-js/compat

Standard Library

4.0.0-alpha.0

25,109

MIT

JavaScript

522.33 kB

5.3

Installations

npm install @core-js/compat

Developer Guide

BETA

Typescript

Yes

Module System

CommonJS

Min. Node Version

^18.12.0 || >=20.0.0

Node Version

21.6.1

NPM Version

10.2.4 Pull Requests

Open

10

Total

415

Closed

108

Merged

297

Issues

Open

39

Total

970

Closed

931

Releases

249

3.44.0 - 2025.07.07

v3.44.0

Updated on Jul 07, 2025

3.43.0 - 2025.06.09

v3.43.0

Updated on Jun 09, 2025

3.42.0 - 2025.04.30

v3.42.0

Updated on Apr 29, 2025

3.41.0 - 2025.03.01

v3.41.0

Updated on Mar 01, 2025

3.40.0 - 2025.01.08

v3.40.0

Updated on Jan 07, 2025

3.39.0 - 2024.10.31

v3.39.0

Updated on Oct 31, 2024

View All 249 releases

Languages

JavaScript

TypeScript

HTML

JavaScript (99.82%)

TypeScript (0.14%)

HTML (0.04%)

Developer

zloirock

Download Statistics

Total Downloads

Last Day

Last Week

Last Month

Last Year

GitHub Statistics

MIT License

25,109 Stars

6,936 Commits

1,681 Forks

256 Watchers

11 Branches

132 Contributors

Updated on Jul 12, 2025

Sponsor this package

https://opencollective.com/core-js

Maintainers

View All 132 Contributors

Package Meta Information

Latest Version

4.0.0-alpha.0

Package Id

@core-js/compat@4.0.0-alpha.0

Unpacked Size

522.33 kB

Size

42.22 kB

File Count

NPM Version

10.2.4

Node Version

21.6.1

Published on

Feb 13, 2024

Total Downloads

Cumulative downloads

Total Downloads

NaN

Last Day

NaN

Compared to previous day

Last Week

NaN

Compared to previous week

Last Month

NaN

Compared to previous month

Last Year

NaN

Compared to previous year

Weekly Downloads

Monthly Downloads

Yearly Downloads

Dependencies

browserslist

logo

I highly recommend reading this: So, what's next?

@core-js/compat package contains data about the necessity of core-js modules and API for getting a list of required core-js modules by browserslist query.

1import compat from '@core-js/compat';
2
3const {
4  list,                       // array of required modules
5  targets,                    // object with targets for each module
6} = compat({
7  targets: '> 1%',            // browserslist query or object of minimum environment versions to support, see below
8  modules: [                  // optional list / filter of modules - regex, string or an array of them:
9    'core-js/actual',         // - an entry point
10    'esnext.array.unique-by', // - a module name (or just a start of a module name)
11    /^web\./,                 // - regex that a module name must satisfy
12  ],
13  exclude: [                  // optional list / filter of modules to exclude, the signature is similar to `modules` option
14    'web.atob',
15  ],
16  version: '4.0',             // used `core-js` version, by default - the latest
17  inverse: false,             // inverse of the result - shows modules that are NOT required for the target environment
18});
19
20console.log(targets);
21/* =>
22{
23  'es.error.cause': { ios: '14.5-14.8' },
24  'es.aggregate-error.cause': { ios: '14.5-14.8' },
25  'es.array.at': { ios: '14.5-14.8' },
26  'es.array.find-last': { firefox: '100', ios: '14.5-14.8' },
27  'es.array.find-last-index': { firefox: '100', ios: '14.5-14.8' },
28  'es.array.includes': { firefox: '100' },
29  'es.array.push': { chrome: '100', edge: '101', ios: '14.5-14.8', safari: '15.4' },
30  'es.array.unshift': { ios: '14.5-14.8', safari: '15.4' },
31  'es.object.has-own': { ios: '14.5-14.8' },
32  'es.regexp.flags': { chrome: '100', edge: '101' },
33  'es.string.at-alternative': { ios: '14.5-14.8' },
34  'es.typed-array.at': { ios: '14.5-14.8' },
35  'es.typed-array.find-last': { firefox: '100', ios: '14.5-14.8' },
36  'es.typed-array.find-last-index': { firefox: '100', ios: '14.5-14.8' },
37  'esnext.array.group': { chrome: '100', edge: '101', firefox: '100', ios: '14.5-14.8', safari: '15.4' },
38  'esnext.array.group-by': { chrome: '100', edge: '101', firefox: '100', ios: '14.5-14.8', safari: '15.4' },
39  'esnext.array.group-by-to-map': { chrome: '100', edge: '101', firefox: '100', ios: '14.5-14.8', safari: '15.4' },
40  'esnext.array.group-to-map': { chrome: '100', edge: '101', firefox: '100', ios: '14.5-14.8', safari: '15.4' },
41  'esnext.array.to-reversed': { chrome: '100', edge: '101', firefox: '100', ios: '14.5-14.8', safari: '15.4' },
42  'esnext.array.to-sorted': { chrome: '100', edge: '101', firefox: '100', ios: '14.5-14.8', safari: '15.4' },
43  'esnext.array.to-spliced': { chrome: '100', edge: '101', firefox: '100', ios: '14.5-14.8', safari: '15.4' },
44  'esnext.array.unique-by': { chrome: '100', edge: '101', firefox: '100', ios: '14.5-14.8', safari: '15.4' },
45  'esnext.array.with': { chrome: '100', edge: '101', firefox: '100', ios: '14.5-14.8', safari: '15.4' },
46  'esnext.typed-array.to-reversed': { chrome: '100', edge: '101', firefox: '100', ios: '14.5-14.8', safari: '15.4' },
47  'esnext.typed-array.to-sorted': { chrome: '100', edge: '101', firefox: '100', ios: '14.5-14.8', safari: '15.4' },
48  'esnext.typed-array.to-spliced': { chrome: '100', edge: '101', firefox: '100', ios: '14.5-14.8', safari: '15.4' },
49  'esnext.typed-array.with': { chrome: '100', edge: '101', firefox: '100', ios: '14.5-14.8', safari: '15.4' },
50  'web.dom-exception.stack': { chrome: '100', edge: '101', ios: '14.5-14.8', safari: '15.4' },
51  'web.immediate': { chrome: '100', edge: '101', firefox: '100', ios: '14.5-14.8', safari: '15.4' },
52  'web.structured-clone': { chrome: '100', edge: '101', firefox: '100', ios: '14.5-14.8', safari: '15.4' }
53}
54*/

`targets` option

targets could be a browserslist query or a targets object that specifies minimum environment versions to support:

1// browserslist query:
2'defaults, not IE 11, maintained node versions'
3// object (sure, all those fields optional):
4{
5  android: '4.0',         // Android WebView version
6  bun: '0.1.2',           // Bun version
7  chrome: '38',           // Chrome version
8  'chrome-android': '18', // Chrome for Android version
9  deno: '1.12',           // Deno version
10  edge: '13',             // Edge version
11  electron: '5.0',        // Electron framework version
12  firefox: '15',          // Firefox version
13  'firefox-android': '4', // Firefox for Android version
14  hermes: '0.11',         // Hermes version
15  ie: '8',                // Internet Explorer version
16  ios: '13.0',            // iOS Safari version
17  node: 'current',        // NodeJS version, you can use 'current' for set it to currently used
18  opera: '12',            // Opera version
19  'opera-android': '7',   // Opera for Android version
20  phantom: '1.9',         // PhantomJS headless browser version
21  quest: '5.0',           // Meta Quest Browser version
22  'react-native': '0.70', // React Native version (default Hermes engine)
23  rhino: '1.7.13',        // Rhino engine version
24  safari: '14.0',         // Safari version
25  samsung: '14.0',        // Samsung Internet version
26  esmodules: true,        // That option set target to minimum supporting ES Modules versions of all browsers
27  browsers: '> 0.25%',    // Browserslist query or object with target browsers
28}

Additional API:

1// equals of of the method from the example above
2require('@core-js/compat/compat')({ targets, modules, version }); // => { list: Array<ModuleName>, targets: { [ModuleName]: { [EngineName]: EngineVersion } } }
3// or
4require('@core-js/compat').compat({ targets, modules, version }); // => { list: Array<ModuleName>, targets: { [ModuleName]: { [EngineName]: EngineVersion } } }
5
6// full compat data:
7require('@core-js/compat/data'); // => { [ModuleName]: { [EngineName]: EngineVersion } }
8// or
9require('@core-js/compat').data; // => { [ModuleName]: { [EngineName]: EngineVersion } }
10
11// map of modules by `core-js` entry points:
12require('@core-js/compat/entries'); // => { [EntryPoint]: Array<ModuleName> }
13// or
14require('@core-js/compat').entries; // => { [EntryPoint]: Array<ModuleName> }
15
16// full list of modules:
17require('@core-js/compat/modules'); // => Array<ModuleName>
18// or
19require('@core-js/compat').modules; // => Array<ModuleName>
20
21// the subset of modules which available in the passed `core-js` version:
22require('@core-js/compat/get-modules-list-for-target-version')('4.0'); // => Array<ModuleName>
23// or
24require('@core-js/compat').getModulesListForTargetVersion('4.0'); // => Array<ModuleName>

If you wanna help to improve this data, you could take a look at the related section of CONTRIBUTING.md. The visualization of compatibility data and the browser tests runner is available here, the example:

compat-table

No vulnerabilities found.

10

Security-Policy

Determines if the project has published a security policy.

10

Maintained

Determines if the project is "actively maintained".

10

Token-Permissions

Determines if the project's workflows follow the principle of least privilege.

10

Dangerous-Workflow

Determines if the project's GitHub Action workflows avoid dangerous patterns.

10

License

Determines if the project has defined a license.

10

Binary-Artifacts

Determines if the project has generated executable (binary) artifacts in the source repository.

4

Pinned-Dependencies

Determines if the project has declared and pinned the dependencies of its build process.

Reason

dependency not pinned by hash detected -- score normalized to 4

Details

Warn: GitHub-owned GitHubAction not pinned by hash: .github/workflows/build-and-deploy-pages.yml:16: update your workflow using https://app.stepsecurity.io/secureworkflow/zloirock/core-js/build-and-deploy-pages.yml/master?enable=pin
Warn: GitHub-owned GitHubAction not pinned by hash: .github/workflows/build-and-deploy-pages.yml:40: update your workflow using https://app.stepsecurity.io/secureworkflow/zloirock/core-js/build-and-deploy-pages.yml/master?enable=pin
Warn: GitHub-owned GitHubAction not pinned by hash: .github/workflows/build-and-deploy-pages.yml:50: update your workflow using https://app.stepsecurity.io/secureworkflow/zloirock/core-js/build-and-deploy-pages.yml/master?enable=pin
Warn: GitHub-owned GitHubAction not pinned by hash: .github/workflows/build-and-deploy-pages.yml:54: update your workflow using https://app.stepsecurity.io/secureworkflow/zloirock/core-js/build-and-deploy-pages.yml/master?enable=pin
Warn: GitHub-owned GitHubAction not pinned by hash: .github/workflows/build-and-deploy-pages.yml:76: update your workflow using https://app.stepsecurity.io/secureworkflow/zloirock/core-js/build-and-deploy-pages.yml/master?enable=pin
Warn: GitHub-owned GitHubAction not pinned by hash: .github/workflows/build-and-deploy-pages.yml:81: update your workflow using https://app.stepsecurity.io/secureworkflow/zloirock/core-js/build-and-deploy-pages.yml/master?enable=pin
Warn: GitHub-owned GitHubAction not pinned by hash: .github/workflows/build-and-deploy-pages.yml:93: update your workflow using https://app.stepsecurity.io/secureworkflow/zloirock/core-js/build-and-deploy-pages.yml/master?enable=pin
Warn: GitHub-owned GitHubAction not pinned by hash: .github/workflows/build-and-deploy-pages.yml:95: update your workflow using https://app.stepsecurity.io/secureworkflow/zloirock/core-js/build-and-deploy-pages.yml/master?enable=pin
Warn: GitHub-owned GitHubAction not pinned by hash: .github/workflows/build-and-deploy-pages.yml:99: update your workflow using https://app.stepsecurity.io/secureworkflow/zloirock/core-js/build-and-deploy-pages.yml/master?enable=pin
Warn: GitHub-owned GitHubAction not pinned by hash: .github/workflows/build-and-deploy-pages.yml:101: update your workflow using https://app.stepsecurity.io/secureworkflow/zloirock/core-js/build-and-deploy-pages.yml/master?enable=pin
Warn: GitHub-owned GitHubAction not pinned by hash: .github/workflows/build-and-deploy-pages.yml:106: update your workflow using https://app.stepsecurity.io/secureworkflow/zloirock/core-js/build-and-deploy-pages.yml/master?enable=pin
Warn: GitHub-owned GitHubAction not pinned by hash: .github/workflows/ci.yml:12: update your workflow using https://app.stepsecurity.io/secureworkflow/zloirock/core-js/ci.yml/master?enable=pin
Warn: GitHub-owned GitHubAction not pinned by hash: .github/workflows/ci.yml:13: update your workflow using https://app.stepsecurity.io/secureworkflow/zloirock/core-js/ci.yml/master?enable=pin
Warn: GitHub-owned GitHubAction not pinned by hash: .github/workflows/ci.yml:17: update your workflow using https://app.stepsecurity.io/secureworkflow/zloirock/core-js/ci.yml/master?enable=pin
Warn: GitHub-owned GitHubAction not pinned by hash: .github/workflows/ci.yml:27: update your workflow using https://app.stepsecurity.io/secureworkflow/zloirock/core-js/ci.yml/master?enable=pin
Warn: GitHub-owned GitHubAction not pinned by hash: .github/workflows/ci.yml:28: update your workflow using https://app.stepsecurity.io/secureworkflow/zloirock/core-js/ci.yml/master?enable=pin
Warn: GitHub-owned GitHubAction not pinned by hash: .github/workflows/ci.yml:38: update your workflow using https://app.stepsecurity.io/secureworkflow/zloirock/core-js/ci.yml/master?enable=pin
Warn: GitHub-owned GitHubAction not pinned by hash: .github/workflows/ci.yml:39: update your workflow using https://app.stepsecurity.io/secureworkflow/zloirock/core-js/ci.yml/master?enable=pin
Warn: third-party GitHubAction not pinned by hash: .github/workflows/ci.yml:43: update your workflow using https://app.stepsecurity.io/secureworkflow/zloirock/core-js/ci.yml/master?enable=pin
Warn: GitHub-owned GitHubAction not pinned by hash: .github/workflows/ci.yml:60: update your workflow using https://app.stepsecurity.io/secureworkflow/zloirock/core-js/ci.yml/master?enable=pin
Warn: GitHub-owned GitHubAction not pinned by hash: .github/workflows/ci.yml:61: update your workflow using https://app.stepsecurity.io/secureworkflow/zloirock/core-js/ci.yml/master?enable=pin
Warn: GitHub-owned GitHubAction not pinned by hash: .github/workflows/ci.yml:83: update your workflow using https://app.stepsecurity.io/secureworkflow/zloirock/core-js/ci.yml/master?enable=pin
Warn: GitHub-owned GitHubAction not pinned by hash: .github/workflows/ci.yml:84: update your workflow using https://app.stepsecurity.io/secureworkflow/zloirock/core-js/ci.yml/master?enable=pin
Warn: pipCommand not pinned by hash: .github/workflows/ci.yml:22
Info: 0 out of 22 GitHub-owned GitHubAction dependencies pinned
Info: 0 out of 1 third-party GitHubAction dependencies pinned
Info: 5 out of 5 npmCommand dependencies pinned
Info: 0 out of 1 pipCommand dependencies pinned

1

Code-Review

Determines if the project requires human code review before pull requests (aka merge requests) are merged.

0

CII-Best-Practices

Determines if the project has an OpenSSF (formerly CII) Best Practices Badge.

0

Branch-Protection

Determines if the default and release branches are protected with GitHub's branch protection settings.

0

Fuzzing

Determines if the project uses fuzzing.

0

SAST

Determines if the project uses static code analysis.

0

Vulnerabilities

Determines if the project has open, known unfixed vulnerabilities.

Score

5.3

/10

Last Scanned on 2025-06-30

The Open Source Security Foundation is a cross-industry collaboration to improve the security of open source software (OSS). The Scorecard provides security health metrics for open source projects.

Learn More

Other packages similar to @core-js/compat

Other packages similar to @core-js/compat

@core-js/compat

Installations

Developer Guide

Yes

CommonJS

^18.12.0 || >=20.0.0

21.6.1

10.2.4

Pull Requests

10

415

108

297

Issues

39

970

931

Releases

Languages

Developer

zloirock

Download Statistics

GitHub Statistics

Sponsor this package

Maintainers

Package Meta Information

Total Downloads

NaN

Weekly Downloads

Monthly Downloads

Yearly Downloads

Dependencies

I highly recommend reading this: So, what's next?

targets option

Additional API:

10

10

10

10

10

10

4

1

0

0

0

0

0

5.3

/10

`targets` option