#array

A simple and composable way to validate data in JavaScript (and TypeScript).

Returns an array with only the unique values from all given arrays using strict equality for comparisons.

Make a shallow clone of an object, array or primitive.

Yii Array Helper

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

A circular buffer with fixed capacity (Rust).

A library of dependency-free JavaScript utilities that do just one thing.

Returns an array containing the initial items which all supplied iterables have in common.

188 handlebars helpers in ~20 categories. Can be used with Assemble, Ghost, YUI, express.js etc.

Utils for working with JavaScript classes and prototype methods.

Answers the question: "can this value have keys?". Returns true if a value is any of the object types: array, regexp, plain object, function or date. Useful for determining if a value is an object that can be extended.

[READ-ONLY] Missing PHP language constructs

Array manipulation, ordering, searching, summarizing, etc.

SlidingWindow provides an interface to retrieve chunks from a byte array using a sliding window.

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Join paths and globs.

Map `visit` over an array of objects.

Set an array of unique values as the property of an object. Supports setting deeply nested properties using using object-paths/dot notation. Node.js/JavaScript util.

A rust crate for aligned values and aligned arrays

Get a compare function for array to sort

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

Visit a method over the items in an object, or map visit over the objects in an array. This is an alternative approach to using extend or merge, useful when events are emitted on a method like get or set.

Deep diffs two objects, including nested structures of arrays and objects, and returns the difference. ❄️

🔖 Useful template literal tags for dealing with strings in ES2015+

Return an array free of duplicate values. Very fast implementation.

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Returns an array of unique values using strict equality for comparisons, maintaining the same order as the provided arrays.

Get the native JavaScript type of a value, fast. Used by superstruct, micromatch and many others!

Turn anything into an array

Recursively (deep) clone JavaScript native types, like Object, Array, RegExp, Date as well as primitives. Used by superstruct, merge-deep, and many others!