the Istanbul command line interface

Yet another JS code coverage tool that computes statement, line, function and branch coverage with module loader hooks to transparently add coverage when running tests. Supports all JS coverage use cases including unit tests, server side functional tests

output coverage reports using Node.js' built in coverage

JavaScript codecoverage tool for Grunt

A code coverage tool for ES6 (babel)

tap-producing test harness for node and browsers

JavaScript/TypeScript linter (ESLint wrapper) with great defaults

TypeScript is a language for application scale JavaScript development

All the goodness of `feross/standard` with semicolons sprinkled on top.

Fixes stack traces for files with source maps

Import with sanity.

TypeScript execution environment and REPL for node.js, with source map support

An AST-based pattern checker for JavaScript.

The semantic version parser used by npm.

JavaScript parser, mangler/compressor and beautifier toolkit

elegant & feature rich browser / node HTTP with a fluent API

A Test-Anything-Protocol library for JavaScript