@bevry/ecmascript-versions

@bevry/ecmascript-versions

Get all ECMAScript versions, or the ECMAScript version that was ratified on a specific date.

Usage

Complete API Documentation.

import {
    getESVersionInformationByVersion,
    getESVersionByNow,
    getESVersionByDate,
    getESVersionsByNow,
} from '@bevry/ecmascript-versions'
// results for 2020-11-03

// get the ratification date for an ECMAScript version
console.log(getESVersionInformationByVersion('ES2020').ratified) // 2020-06-01T00:00:00.000Z

// get the edition number for an ECMAScript version
console.log(getESVersionInformationByVersion('ES2020').edition) // 11

// get the latest ECMAScript version that was ratified by current date
console.log(getESVersionByNow()) // ES2020

// get the latest ECMAScript version that was ratified by this time last year
console.log(getESVersionByDate(getDateWithYearOffset(-1))) // ES2019

// get all the latest ECMAScript versions that were ratified so far
console.log(getESVersionsByNow()) /* [
    'ES1',
    'ES2',
    'ES3',
    'ES5',
    'ES2015',
    'ES2016',
    'ES2017',
    'ES2018',
    'ES2019',
    'ES2020',
] */

Install

npm

• Install: npm install --save @bevry/ecmascript-versions
• Import: import * as pkg from ('@bevry/ecmascript-versions')
• Require: const pkg = require('@bevry/ecmascript-versions')

Deno

import * as pkg from 'https://unpkg.com/@bevry/ecmascript-versions@^4.6.0/edition-deno/index.ts'

Skypack

<script type="module">
    import * as pkg from '//cdn.skypack.dev/@bevry/ecmascript-versions@^4.6.0'
</script>

unpkg

<script type="module">
    import * as pkg from '//unpkg.com/@bevry/ecmascript-versions@^4.6.0'
</script>

jspm

<script type="module">
    import * as pkg from '//dev.jspm.io/@bevry/ecmascript-versions@4.6.0'
</script>

Editions

This package is published with the following editions:

• @bevry/ecmascript-versions aliases @bevry/ecmascript-versions/index.cjs which uses the Editions Autoloader to automatically select the correct edition for the consumer's environment
• @bevry/ecmascript-versions/source/index.ts is TypeScript source code with Import for modules
• @bevry/ecmascript-versions/edition-browsers/index.js is TypeScript compiled against ES2022 for web browsers with Import for modules
• @bevry/ecmascript-versions/edition-es2022/index.js is TypeScript compiled against ES2022 for Node.js 21 with Require for modules
• @bevry/ecmascript-versions/edition-es5/index.js is TypeScript compiled against ES5 for Node.js 4 with Require for modules
• @bevry/ecmascript-versions/edition-es2022-esm/index.js is TypeScript compiled against ES2022 for Node.js 21 with Import for modules
• @bevry/ecmascript-versions/edition-types/index.d.ts is TypeScript compiled Types with Import for modules
• @bevry/ecmascript-versions/edition-deno/index.ts is TypeScript source code made to be compatible with Deno

History

Discover the release history by heading on over to the HISTORY.md file.

Contribute

Discover how you can contribute by heading on over to the CONTRIBUTING.md file.

Backers

Maintainers

These amazing people are maintaining this project:

• Benjamin Lupton — view contributions

Sponsors

No sponsors yet! Will you be the first?

Contributors

These amazing people have contributed code to this project:

• Benjamin Lupton — view contributions

Discover how you can contribute by heading on over to the CONTRIBUTING.md file.

License

Unless stated otherwise all works are:

• Copyright © 2020+ Benjamin Lupton

and licensed under:

• Artistic License 2.0

Changelog

v4.6.0 2023 December 6

• Updated dependencies, base files, and editions using boundation