Stringify your JSON at max speed

🚇 Source map generator for Metro.

取得陣列唯一值，支援深度比較巢狀物件和陣列 / Get unique values from array with deep comparison for nested objects and arrays

sprintf parser and basic formatter

Yjs encoding protocols

Which kind of Collection (Map, Set, WeakMap, WeakSet) is this JavaScript value? Works cross-realm, without `instanceof`, and despite Symbol.toStringTag.

Returns an array with only the unique values from the first array, by excluding all values from additional arrays using strict equality for comparisons.

🐊Putout plugin adds ability to apply for...of

flattens nested vertex data into a typed array

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.

The Interactive Extensions for JavaScript

React JSON Viewer Component, Extracted from redux-devtools

Map mappables (functors) and other values (non-functors)

Gulp plugin for generating an identity sourcemap for a file.

Normalize an object by running normalizers and validators that are mapped to a schema.

Control Flow primitives and components that require specifying explicit keys to identify or rerender elements.

Transforms nested keys of complex objects

Compare two Leaflet layers side by side

ESLint rules for controlling where and how mutation is used.

Array utils