Recursively read directories and return a list of files, filtered to have only the files for which the (optional) filter function returns `true`. Sync and async.

deterministic JSON.stringify() with custom sorting to get deterministic hashes from stringified results

Xray your HAR file and know all about the page

Categorized data on third party entities on the web.

Get performance metrics from your web page using Browsertime.

Full featured Promises/A+ implementation with exceptionally good performance

From a single javascript file, create a bookmarklet

BDD/TDD assertion library for node.js and the browser. Test framework agnostic.

Extends Chai with assertions about promises.

Runs prettier as an eslint rule

Recursively mkdir, like `mkdir -p`

simple, flexible, fun test framework

JavaScript parser, mangler/compressor and beautifier toolkit for ES6+