Generate errors that contain a code frame that point to source locations.

Returns true if a filepath exists on the file system and it's directory.

Collection of debug messages used by Babel.

A function to parse floating point hexadecimal strings as defined by the WebAssembly specification

Collection of helper functions used by Babel transforms.

A readable stream reader that reads a desired number of bytes.

A higher order component for loading components with promises

Parses React prop-types into a readable object

A module to parse color values

Test whether you're a component in browser or a package in npm

Determine whether a JavaScript expression evaluates to a constant

Detect if your code is running on an AWS Lambda server

The option type, also known as the maybe type, for JavaScript

This plugin transforms ES2015 modules to SystemJS

Simple async batch with concurrency control and progress reporting.

A React component for dealing with clicks outside its subtree

Mouse wheel normalization across multiple multiple browsers.

construct pipes of streams of events

A convenient alternative to XMLHttpRequest.

Fork stream based on passed condition, and collect down-stream