Stringify your JSON at max speed

A module used internally by Jest to check which files have changed since you last committed in git or hg.

Fast JavaScript array sorting by implementing Python's Timsort algorithm

Create an array with values that are present in the first input array but not additional ones

Group an array by property values or callback

Create an array without duplicates

Remove duplicate values from an array. Fastest ES5 implementation.

Efficient Binary heap (priority queue, binary tree) data structure for JavaScript / TypeScript. Includes JavaScript methods, Python's heapq module methods, and Java's PriorityQueue methods.

Like a Set, but provides the index of the `key` in the backing array

a very small underscore, for browser apps that like to watch their weight

`Array#forEach()` but it’s possible to define where to move to next

Utilities for TypeScript library

Array utils

Array-slice method. Slices `array` from the `start` index up to, but not including, the `end` index.

Turn anything into an array

Group JSON objects by attributes

Loop over each item in an array and call the given function on every element.

Rope-based persistent sequence type

Parses set-cookie headers into objects

Concatenate a readable stream's data into a single array