ECMASCRIPT Packages

Regular expression parser for ECMAScript 2018.

Unbox a boxed JS primitive value.

ESLint and Prettier Config package for Next.js apps

Check if a string can be used as a JavaScript variable name

Validate files with ESLint

A JavaScript parser

Wraps JavaScript code within an immediately invoked function expression.

ES6 polyfills that use native implementation if available and do not pollute the global namespace

An AST-based pattern checker for JavaScript.

A command-line tool to collect and report code coverage of a JavaScript program

Aggregator of strategies to transpile JS code. It provides unified programmatic and CL interfaces to transpile/optimize/minimize/beautify code by one or several transpilers in series. More strategies could be added as plugins. Default options of transpila

Verify that file or package, be it remote, or local, is a valid ECMAScript Module

EcmaScript's CreateArrayIterator abstract operation

A dependency-free CSS-driven plain JavaScript modal written in ECMAScript 2015.

micromark extension to support MDX or MDX JS expressions

micromark extension to support MDX or MDX.js JSX

Easy and small template engine for the browser.

hast utility to transform to estree (JavaScript AST) JSX

s-expression match patterns for Mozilla Parser AST

The webworkers driven UI framework