core-js

Standard library
v3.44.0 URL: https://unpkg.com/core-js@3.44.0/index.js
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ES3ES5ES6ES7ES2015ES2016ES2017ES2018ES2019ES2020ES2021ES2022ES2023ES2024ECMAScript 3ECMAScript 5ECMAScript 6ECMAScript 7ECMAScript 2015ECMAScript 2016ECMAScript 2017ECMAScript 2018ECMAScript 2019ECMAScript 2020ECMAScript 2021ECMAScript 2022ECMAScript 2023ECMAScript 2024MapSetWeakMapWeakSetTypedArrayPromiseObservableSymbolIteratorAsyncIteratorURLURLSearchParamsqueueMicrotasksetImmediatestructuredClonepolyfillponyfillshim

es-iterator-helpers

An ESnext spec-compliant iterator helpers shim/polyfill/replacement that works as far down as ES3.
v1.2.1 URL: https://unpkg.com/es-iterator-helpers@1.2.1/index.json
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javascriptecmascriptpolyfillshimes-shimses-shim APIIteratorhelpersfrommapfiltertakedropflatMapreducetoArrayforEachsomeeveryfind

core-js-pure

Standard library
v3.44.0 URL: https://unpkg.com/core-js-pure@3.44.0/index.js
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ES3ES5ES6ES7ES2015ES2016ES2017ES2018ES2019ES2020ES2021ES2022ES2023ES2024ECMAScript 3ECMAScript 5ECMAScript 6ECMAScript 7ECMAScript 2015ECMAScript 2016ECMAScript 2017ECMAScript 2018ECMAScript 2019ECMAScript 2020ECMAScript 2021ECMAScript 2022ECMAScript 2023ECMAScript 2024MapSetWeakMapWeakSetTypedArrayPromiseObservableSymbolIteratorAsyncIteratorURLURLSearchParamsqueueMicrotasksetImmediatestructuredClonepolyfillponyfillshim

@cspell/cspell-pipe

Library to make working with Iterators/AsyncIterators easier.
v9.2.0 URL: https://unpkg.com/@cspell/cspell-pipe@9.2.0
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cspellpipeIteratorIterableAsyncIteratorAsyncIterable

ix

The Interactive Extensions for JavaScript
v7.0.0 URL: https://unpkg.com/ix@7.0.0/dom.es2015.min.js
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IteratorIterablePromiseAsyncAsyncIterableAsyncIterator