Make your own error types!

Returns true if a string has an extglob.

Deprecate all the things

A stream that emits multiple other streams one after another.

Returns true if a number or string value is a finite number. Useful for regex matches, parsing, user input, etc.

Parse JSON with more helpful errors

Buffers events from a stream until you are ready to handle them.

An XML builder for node.js

writable stream that concatenates strings or binary data and calls a callback with the result

The Lodash method `_.merge` exported as a module.

process information for node.js and browsers

A minimalistic code generation utility.

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

Compare strings containing a mix of letters and numbers in the way a human being would in sort order.

Tunnel http and websocket traffic through a proxy under Bare: the socket, agents and handshake plumbing every proxy protocol shares

The Node.js `util.deprecate()` function with browser support

Port of jQuery.extend for node.js and the browser

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.

Merge multiple streams into one stream in sequence or parallel.

Pluralize and singularize any word