walk paths fast and efficiently

Get the list of files installed in a package in node_modules, including bundled dependencies

Wrap all spawned Node.js child processes by adding environs and arguments ahead of the main JavaScript file argument.

Find and parse the tsconfig.json file from a directory path

A lightweight cache for file metadata, ideal for processes that work on a specific set of files and only need to reprocess files that have changed since the last run

Check if a path exists

Run a child as if it's the foreground process. Give it stdio. Exit when it exits.

A toolkit for JavaScript codemods

A small JS+SVG library for drawing railroad syntax diagrams.

Easily get the CWD (current working directory) of a project based on package.json, optionally starting from a given path. (node.js/javascript util)

A utility for managing the `processinfo` folder that NYC uses.

Get the path of the parent module

Returns a `stream.Readable` from a URI string

Get the first path that exists on disk of multiple paths

[](https://travis-ci.org/stefanpenner/get-caller-file) [](https://ci.a

Adds a static `extend` method to a class, to simplify inheritance. Extends the static properties, prototype properties, and descriptors from a `Parent` constructor onto `Child` constructors.

A query library for ECMAScript AST using a CSS selector like query language.

Module for executing heavy tasks under forked processes in parallel, by providing a `Promise` based interface, minimum overhead, and bound workers.

Tests whether one path is inside another path

A small set of utilities for child process.