A lightweight polyfill library for Promise-based WebExtension APIs in Chrome.
An ES2019 spec-compliant `Array.prototype.flatMap` shim/polyfill/replacement that works as far down as ES3.
Tiny LiveReload server, background-friendly
An EventTarget Polyfill
HTML5 `FormData` for Browsers and Node.
This is a polyfill for Buffer#indexOf introduced in NodeJS 4.0.
Streaming, source-agnostic EventSource/Server-Sent Events parser
Tiny queue data structure
Get the minimum value in an array
Polyfill of future proposal for `util.parseArgs()`
Management facility for context menus. Developed for a large number of triggering objects. HTML5 Polyfill
Flowtype linting rules for ESLint.
Browser-side SDF font generator
Get the maximum value in an array
A polyfill for the Array.prototype.includes method.
React multiselect dropdown component with search and various features
Efficient Binary heap (priority queue, binary tree) data structure for JavaScript / TypeScript. Includes JavaScript methods, Python's heapq module methods, and Java's PriorityQueue methods.
Essential polyfill for the web
@peculiar/x509 is an easy to use TypeScript/Javascript library based on @peculiar/asn1-schema that makes generating X.509 Certificates and Certificate Requests as well as validating certificate chains easy
ECMAScript6 WeakMap polyfill
Extract meaning from JS Errors
ECMAScript 6 Symbol polyfill
Turns off all rules that are unnecessary or might conflict with Prettier.
Provides polyfills necessary for a full ES2015+ environment