ES2015 `Array#findIndex()` ponyfill
Concatenate a readable stream's data into a single array
Parse postgres array columns
Matches strings against configurable strings, globs, regular expressions, and/or functions
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.
Run an array of functions in parallel
Maintain and search through a sorted array using some low level functions
Validates if a value is an array.
Allows a local ESLint rules directory to be used without a command-line flag
Fast and powerful array sorting. Sort an array of objects by one or more properties. Any number of nested properties or custom comparison functions may be used.
A simple SHA-3 / Keccak / Shake hash function for JavaScript supports UTF-8 encoding.
Lazy-evaluating list of files, based on globs or regex patterns
finds an item in an array matching a predicate function, and returns its index
Some useful tools for working with process.argv
Validates if a value is an integer array.
Array#filter for older browsers.
Get the last or last n elements in an array.
A ponyfill for the ES 2015 (ES6) `Array.from()`.
Continued fraction approximation.
Guarantees an array back
Array manipulation, ordering, searching, summarizing, etc.
Base64 encoding/decoding in pure JS
Create an array of unique values, in order, from the input arrays
Constructor for creating arrays filled with pseudorandom values drawn from a nullary PRNG.