Turn anything into an array

btree-core is a high-performance B+ tree implementation designed for modern JavaScript applications. It provides efficient ordered data structures, predictable performance characteristics, and a clean, developer-friendly API.

Isomorphic map-reduce function to flatten an array into the supplied array

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

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

An ES5 spec-compliant `Array.prototype.map` shim/polyfill/replacement that works as far down as ES3.

Returns an array of all tabbable DOM nodes within a containing node.

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

extracts inlined source map and offers it to webpack

unist utility to create a new tree by mapping all nodes

A splay tree typescript library

Isomorphic component that allows rendering react components on a google map

The Map & WeakMap data structures as a reactive signals.

Concatenate a readable stream's data into a single array

Map and Set with automatic key interning

Has country codes for all countries in the world. Please send a PR if you see something missing or find a mistake.

Programmatic access to information about the AXObject Model

Efficient "positions" for lists and text - enabling rich documents and collaboration

A tiny (304B to 489B) utility for check for deep equality

A trie implementation that maps keys to objects for rapid retrieval by phrases. Most common use will be for typeahead searches.