ES Math-related intrinsics and helpers, robustly cached.
An ESnext spec-compliant `Array.prototype.findLast` shim/polyfill/replacement that works as far down as ES3.
An ESnext spec-compliant `Array.prototype.findLastIndex` shim/polyfill/replacement that works as far down as ES3.
ES2017 spec-compliant Object.entries shim.
ES spec-compliant shim for ArrayBuffer.prototype.slice
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An ES2015 spec-compliant `Function.prototype.name` shim
Spec-compliant polyfill for String.prototype.matchAll
ES5 spec-compliant shim for String.prototype.trim
ES2019 spec-compliant String.prototype.trimEnd shim.
TypedArray polyfill for old browsers
An ESnext spec-compliant `Array.prototype.toSorted` shim/polyfill/replacement that works as far down as ES3.
A web-based tool to view, edit, format, transform, and validate JSON
Get an iterator for any JS language value. Works robustly across all environments, all versions.
If available, the `Object.prototype.__proto__` accessor and mutator, call-bound
ES2017 spec-compliant shim for `Object.getOwnPropertyDescriptors` that works in ES5.
An ESnext spec-compliant `Object.groupBy` shim/polyfill/replacement that works as far down as ES3.
A complete implementation of Protocol Buffers in TypeScript, suitable for web browsers and Node.js.
Cross-browser Error parser
ECMAScript spec-compliant polyfill/shim for `globalThis`
Convert Oniguruma patterns to native JavaScript RegExp
ES Proposal spec-compliant shim for AggregateError
ES2015-compliant shim for Object.is - differentiates between -0 and +0
An ES5 spec-compliant `Array.prototype.reduce` shim/polyfill/replacement that works as far down as ES3.