Returns true if any values exist, false if empty. Works for booleans, functions, numbers, strings, nulls, objects and arrays.

Convert a string to snake case.

Reduce function calls in a string, using a callback

A ridiculously light-weight argument validator (now browser friendly)

A robust & optimized `String.prototype.repeat` polyfill, based on the ECMAScript 6 specification.

Convert a string to camel case.

Lint your commit messages

Zero CPU overhead, zero dependency, true event-loop blocking sleep

Remove wrapping quotes from a string.

Get the visual width of a string - the number of columns required to display it

Strip a byte order mark (BOM) from a string.

JSON.parse with bigints support

Convert a string into a stream (streams2)

simplified stream construction

A robust HTML entities encoder/decoder with full Unicode support.

Extra assertions on top of node's assert module

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

Browser-friendly inheritance fully compatible with standard node.js inherits()

Safe(r) monkeypatching for JavaScript.

Memoize the results of a call to the RegExp constructor, avoiding repetitious runtime compilation of the same string and options, resulting in surprising performance improvements.