Array Packages

Get the native type of a value.

Get the first fulfilled promise that satisfies the provided testing function

Get the first path that exists on disk of multiple paths

Array#isArray for older browsers

Fill in a range of numbers or letters, optionally passing an increment or `step` to use, or create a regex-compatible range with `options.toRegex`

User-friendly glob matching

Returns true if a value is a plain object, array or function.

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

Returns true if a value exists, false if empty. Works with deeply nested values using object paths.

List of binary file extensions

Determines if an object can be used as an array

Flatten nested arrays

extend like a boss

Detect whether or not an object is a Typed Array

Minimal async jobs utility library, with streams support

prelude.ls is a functionally oriented utility library. It is powerful and flexible. Almost all of its functions are curried. It is written in, and is the recommended base library for, LiveScript.

Create an array of unique values, in order, from the input arrays

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

Sort the keys of an object

Remove duplicate values from an array. Fastest ES5 implementation.