capture-stack-trace
Error.captureStackTrace ponyfill
Error.captureStackTrace ponyfill
ES2015-compliant shim for Number.isNaN - the global isNaN returns false positives.
foreach component + npm package
Safe(r) monkeypatching for JavaScript.
ES5 spec-compliant shim for String.prototype.trim
ECMAScript spec-compliant polyfill/shim for `globalThis`
ES2015 spec-compliant shim for Reflect.ownKeys
ES Proposal spec-compliant shim for Promise.allSettled
ES Proposal spec-compliant shim for Promise.prototype.finally
ES2017 spec-compliant String.prototype.padStart shim.
ECMAScript 5 compatibility shims for legacy JavaScript engines
An ES5 spec-compliant `Array.prototype.map` shim/polyfill/replacement that works as far down as ES3.
ECMAScript 6 (Harmony) compatibility shims for legacy JavaScript engines
Spec-compliant shim for Symbol.prototype.description proposal.
`[].map(f)` for older browsers
ECMAScript6 Map polyfill
Module to hook into the Node.js require function
Polyfill exporting trevnorris's 0.11+ asyncListener API.
Object.fromEntries() ponyfill (in 6 lines)
Node.js 0.12 fs.access() & fs.accessSync() ponyfill