slevithan/xregexp

Babel command line.

Babel compiler core.

Externalise references to helpers and builtins, automatically polyfilling your code without polluting globals

A Babel preset for each environment.

Fix babel/babel#2212

browser-side require() the node way

Runs tests on TypeScript definition files

CLI for Jasmine, a simple JavaScript testing framework for browsers and Node

the Istanbul command line interface

babel's modular runtime helpers with core-js@3 polyfilling

Compile Unicode property escapes in Unicode regular expressions to ES5.

JavaScript-compatible Unicode data. Arrays of code points, arrays of symbols, and regular expressions for Unicode v14.0.0’s categories, scripts, blocks, bidi, and other properties.

Replaces `arr.includes(val)' with `arr.indexOf(val) >= 0`.

Use XRegExp syntax in your regular expressions

Given some data, jsesc returns the shortest possible stringified & ASCII-safe representation of that data.

Unicode property value alias mappings in JavaScript format.