Simple menu elements for ProseMirror
## What is it?
An ES2019 spec-compliant `Array.prototype.flat` shim/polyfill/replacement that works as far down as ES3.
TOML parser for Node.js (TOML v1.1.0 compliant)
A framework for responsive emails
An ES2015 mostly-spec-compliant `Reflect.getPrototypeOf` sham/polyfill/replacement that works in as many engines as possible
ES5 spec-compliant shim for String.prototype.trim
ES6 spec-compliant RegExp.prototype.flags shim.
Convert Oniguruma patterns to native JavaScript RegExp
type definitions for the json-schema specification draft-07
Token-Oriented Object Notation (TOON) – Compact, human-readable, schema-aware encoding of JSON for LLM prompts
Ruby plugin for textlint
mcp-ui Server SDK
ES proposal-spec-compliant Object.fromEntries shim.
Types for CloudFormation Service Specifications
ES spec-compliant shim for ArrayBuffer.prototype.slice
Web Components Polyfills
JavaScript implementation of the SSIM algorithm
An ES7/ES2016 spec-compliant `Array.prototype.includes` shim/polyfill/replacement that works as far down as ES3.
ES2017 spec-compliant shim for `Object.getOwnPropertyDescriptors` that works in ES5.
ES2017 spec-compliant Object.values shim.
ECMAScript spec-compliant polyfill/shim for `globalThis`
This is a no-dependency, super lite version of IP2Location LITE lookup.
yargs the modern, pirate-themed, successor to optimist.