ES2015 `Object.assign()` ponyfill

Test whether an object looks like a promises-a+ promise

Create a stream that emits events from multiple other streams

Use node's fs.realpath, but fall back to the JS implementation if the native one fails

A stream that emits multiple other streams one after another.

modernize node.js to current ECMAScript standards

JSON parse & stringify that supports binary via bops & base64

Recursive object extending

Light ECMAScript (JavaScript) Value Notation - human written, concise, typed, flexible

Get the command from a shebang

Normalize slashes in a file path to be posix/unix-like forward slashes. Also condenses repeat slashes to a single slash and removes and trailing slashes, unless disabled.

Flexible ascii progress bar

Determine the `package.json#type` which applies to a location

extend like a boss

kill trees of processes

This package exports a few of the CSS variables that we use in Facebook projects. This is not the full list we have internally but focused on making available the minimum set needed by our open source projects.

compute the closest common parent for file paths

Constant-time comparison of Buffers

Fast (and loose) selective `process.env` replacer using js-tokens instead of an AST

invariant