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ECMAScript “ToPrimitive” algorithm. Provides ES5 and ES2015 versions.
ES2019 spec-compliant String.prototype.trimStart shim.
Helper package to shim a method into `Array.prototype[Symbol.unscopables]`
ES2019 spec-compliant String.prototype.trimEnd shim.
An ES2019 spec-compliant `Array.prototype.flatMap` shim/polyfill/replacement that works as far down as ES3.
ECMAScript spec abstract operations.
ES6 spec-compliant RegExp.prototype.flags shim.
An ES2015 mostly-spec-compliant `Reflect.getPrototypeOf` sham/polyfill/replacement that works in as many engines as possible
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.
ES5 spec-compliant shim for String.prototype.trim
ES proposal-spec-compliant Object.fromEntries shim.
An ES2019 spec-compliant `Array.prototype.flat` shim/polyfill/replacement that works as far down as ES3.
Asynchronous HTTP microservices
An ES7/ES2016 spec-compliant `Array.prototype.includes` shim/polyfill/replacement that works as far down as ES3.
ES2017 spec-compliant Object.values shim.
ES2017 spec-compliant Object.entries shim.
This package provides a set of manifests which each define a mapping of JS modules to their suggested replacements.
An ES2015 spec-compliant `Function.prototype.name` shim
ES2017 spec-compliant shim for `Object.getOwnPropertyDescriptors` that works in ES5.
An ESnext spec-compliant `Array.prototype.toSorted` shim/polyfill/replacement that works as far down as ES3.
ECMAScript spec-compliant polyfill/shim for `globalThis`
Get an iterator for any JS language value. Works robustly across all environments, all versions.