A 100% compliant, self-hosted javascript parser - https://meriyah.github.io/meriyah

A blazing fast 100% spec compliant, self-hosted javascript parser written in Typescript

💪🔢 bigint-buffer: Buffer Utilities for TC39 BigInt Proposal

The automatic track tc39 proposals

The pattern matching library for javascript.

xxhash implementation in pure typescript (using tc39 bigint), supports XXH64 & XXH3-128

A retro implementation of optional chaining

Simple effect method based on the tc39/proposal-signals

A class accessor decorator for web components that converts a class property into a getter which lets you query the content of elements assigned to a slot.

Composite keys, TC39 proposal-richer-keys of compositeKey implementation

Numeric sequence lazy generator, TC39 proposal-iterator.range implementation

Maps and Sets with cache replacement policies, TC39 proposal-policy-map-set implementation

Memoization tools, TC39 proposal-function-memo implementation

Polyfill of `emplace` method for JavaScript

A class method decorator which emits custom events.

Implementation tracking the current state of https://github.com/tc39/proposal-signals

Rolf code for his thesis "Implementing Structural Search and Replace for Showcasing ECMAScript Language Proposals"

ReactJS tutorial

Maps for emplace, TC39 proposal-upsert implementation