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Mutable sequences and native data structures (Map, Set, List) following the Immutable.js API
ECMAScript 6 Symbol polyfill
ECMAScript extensions and shims
- ecmascript
- ecmascript5
- ecmascript6
- es5
- es6
- extensions
- ext
- addons
- extras
- harmony
- javascript
- polyfill
- shim
- util
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Assign the enumerable es6 Symbol properties from one or more objects to the first object passed on the arguments. Can be used as a supplement to other extend, assign or merge methods as a polyfill for the Symbols part of the es6 Object.assign method.
ES5 shim for ES6 (ECMAScript 6) Reflect and Proxy objects
A robust & optimized `String.prototype.includes` polyfill, based on the ECMAScript 6 specification.
Babel compiler core.
Iterate any JS iterator. Works robustly in all environments, all versions.
Seamless integration between Rollup and Babel.
JavaScript utilities with respect to emerging standard
Array.prototype.find ES6 polyfill.
TypeScript package which smartly trims and strips indentation from multi-line strings
- dedent
- deindent
- indentation
- multi-line string
- multiline strings
- template literals
- template strings
- ts
- typescript
- es6
- harmony
Resolve any installed ES6 compatible promise
ECMAScript 6 (Harmony) compatibility shims for legacy JavaScript engines
Publish multiple editions for your JavaScript packages consistently and easily (e.g. source edition, esnext edition, es2015 edition)
- allow-env
- allow-read
- deno
- deno-edition
- deno-entry
- denoland
- edition
- editions
- es2022
- es5
- es6
- es6+
- jsnext
- node
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ES2015 spec-compliant shim for Reflect.ownKeys
modernize node.js to current ECMAScript standards
Unleash the detectives
ES2015 Promise ponyfill
Promisify a callback-based function