Error constructor for test and validation frameworks that implements standardized AssertionError specification.
An evented streaming XML parser in JavaScript
ES2015-compliant shim for Object.is - differentiates between -0 and +0
hast utility to check if a node is a (certain) element
The Babel Traverse module maintains the overall tree state, and is responsible for replacing, removing, and adding nodes
fs read and write streams based on minipass
Check if something can be an ecmascript (javascript) identifier name
minimal implementation of a PassThrough stream
Determine if an object is a Buffer
Error comparison and information related utility for node and the browser
Check if stdout or stderr is interactive
mdast utility to check if a node is phrasing content
destroy a stream if possible
Core istanbul API for JS code coverage
JSON Web Token implementation (symmetric and asymmetric)
Get callsites from the V8 stack trace API
Node is running but you don't know why? why-is-node-running is here to help you.
Test whether an object looks like a promises-a+ promise
Babel Types is a Lodash-esque utility library for AST nodes
The ultimate javascript content-type utility.
node's assert.deepEqual algorithm except for NaN being equal to NaN
A dictionary of file extensions and associated module loaders.
Copy a descriptor from object A to object B
A function to check whether a prop is valid for HTML and SVG elements