Match balanced character pairs, like "{" and "}"

A micro-library for collecting stylesheet data from link and style nodes

Babel compiler core.

Replace Object.assign with an inline helper

A Babel preset for each environment.

Web Components Polyfills

babel module loader for webpack

A babel plugin that adds istanbul instrumentation to ES6 code

Compile ES6 HTMLElement class extensions to ES5

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

Color assertions for chai

Create HTML elements, set attributes, add to other elements, and return an array of DOM nodes or HTML markup in a single function call

Checks the ECMAScript version of .js glob against a specified version of ECMAScript with a shell command

ESLint plugin that checks for common chai.js expect() mistakes

Eslint rules for mocha.

A JavaScript implementation of many web standards

Spectacular Test Runner for JavaScript.

A Karma plugin. Launch any browser on BrowserStack!

Chai for Karma

A Karma plugin. Launcher for Chrome and Chrome Canary.

A karma reporter that uses the latest istanbul 1.x APIs (with full sourcemap support) to report coverage.

A Karma plugin for checking Syntax of JavaScript using ESLint.

A Karma plugin that makes file content accessible within test environments

A Karma plugin. Launcher for jsdom.

A Karma plugin. Adapter for Mocha testing framework.

Karma reporter with mocha style logging.

Karma plugin that locates and loads existing javascript source map files.

MarkdownLint Command Line Interface

Uniquely flexible and light-weight utility for cloning and deep (recursive) merging of JavaScript objects. Supports descriptor values, accessor functions, and custom prototypes. Provides advanced opti

simple, flexible, fun test framework

A deep deletion module for node (like `rm -rf`)

Next-generation ES module bundler

Verify entry point and all imported files with ESLint

Rollup plugin to minify generated es bundle

Packs ECMAScript/CommonJs/AMD modules for the browser. Allows you to split your codebase into multiple bundles, which can be loaded on demand. Supports loaders to preprocess files, i.e. json, jsx, es7