JSPM

Rotate an array by a given number of steps

Computes the dot product between two numeric arrays.

Computes the cosine similarity between two arrays.

Creates a real Array from almost anything.

Merge Sort Algorithm Implementation

Simple function `binaryInsert(array, value, comparator)` that provides binary insert functionality for a **sorted** array in javascript. This is mostly intended for larger arrays, and the performance gain may be viewed in the [benchmark](#benchmarks).

Compare your item to items in an array and get the closest one.

Wrapper for [braces] to enable brace expansion for arrays of patterns.

Sort an array (asc, desc) that holds data for tables

Chai plugin for JSON Schema v4

Extensible deep value equivalence checking for any data types

A fast implementation of a fisher-yates shuffle that does not mutate the source array.

Return true if the given number is even.

Get unique values of an array. Really, like deeply unique.

Computes the L2 norm (Euclidean norm) of an array of values.

Functional tree editing, manipulation & navigation

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

Recursively iterates over arrays and objects

Arranges values in an order.

Flatten a nested array.

high-performance, zero-dependency circular reference check for objects (or arrays)

Give eachr an item to iterate (array, object or map) and an iterator, then in return eachr gives iterator the value and key of each item, and will stop if the iterator returned false.

An RxJS map operator that takes an observable of arrays as input and emits arrays where each element represents emissions from the projected observable.

Adds array support to node-glob, sync and async. Also supports tilde expansion (user home) and resolving to global npm modules.

Like Array#filter, but lets you categorize an array into any amount of smaller arrays

Module for working with CIDR (v4, v6)

Search sort, filter, limit and iterate over an array of objects in Mongo-style.

List of common default router IP addresses

A lightweight package to give a massive reinforcements to variant types of data in Nodejs/Javascript

Returns true if the given is falsey (according to JavaScript) or matches a 'falsey' keyword.

🔧 Fast, modern, and practical utility library for FP in TypeScript.

A utility function to index arrays by any criteria

Orders an array alphabetically. Optional callback allows you to choose what value in each element to sort by

Produces a new array, sorted in given order

Array with sorted insertion and optimized search methods.

recursive object extending & overriding

Object -> [[key0, value0], [key1, value1]...]

Reduce an array to unique values, optionally into a separate array.

Lazily initialized properties for objects

Run an array of functions in series, each passing its results to the next function (waterfall)

Turn an array into a list of comma-separated values, appropriate for use in an English sentence.

Asynchronous iterator function for parallel processing.

Promised First-In-First-Out buffer. Await on push to be told when a value is consumed and await on shift for a value to consume when the buffer is empty.

Join all elements of an array and create a human-readable string

Arranges values in an order.

Parse dotenv files for Boolean, Array, and Number variable types, built for CrocodileJS

More than 130 Handlebars helpers in ~20 categories. Helpers can be used with Assemble, Generate, Verb, Ghost, gulp-handlebars, grunt-handlebars, consolidate, or any node.js/Handlebars project.

Get sorted indexes of array (using insertion sort).

Generic compare function for Array.prototype.sort()

Pipe an Array through Node.js streams

Read, write or test a data structure's nested property via a string like 'my.nested.property'. It works through arrays and objects.'

Check if the given value is an Array

Like lodash's _.defaultsDeep, but with array preservation

Fast intersection of multiple arrays

Randomize the order of the elements in a given array.

Returns a sorted copy of an array, ranked in ascending order by the results of running each value through an iteratee.

Async array reduce. Asynchronously applies a function against an accumulator and each element in an array (from left to right, in series) to reduce it to a single value.

Create an error from an array of error messages

Returns an array filled with the specified input

Sort an Object or package.json based on the well-known package.json keys

Sorts items in descending order of length.

An Extensive JavaScript Standard Library.

Execute a method out from an object.

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

remove items from a javascript array without generating memory garbage

A complete, fully tested data structure library written in TypeScript.

create a new array filled with a value, or zero

object-observer utility provides simple means to (deeply) observe specified object/array changes; implemented via native Proxy; changes delivered in a synchronous way

Get consecutively unique elements from an array

Creates and makes an array without duplicates. Even with array of objects with a specified matcher.

A parallel, asynchronous implementation of forEach in ES6 with a configurable maximum degree of parallelism.

A data structure that combines a hash and an array for fast dictionary lookup and traversal by complex keys.

Find the intersection of two arrays

Convert Gitignore to Glob patterns

Transform dot-delimited strings to array of strings for Node.js and the browser.

[![github actions][actions-image]][actions-url] [![coverage][codecov-image]][codecov-url] [![dependency status][deps-svg]][deps-url] [![dev dependency status][dev-deps-svg]][dev-deps-url] [![License][license-image]][license-url] [![Downloads][downloads-im

Get an array of valid, sorted, and cleaned semver versions from an array of strings

Sort an array into ascending or descending order

A map function that can map over almost anything.

Uppercase first character of each element in arrays of strings.

A function for iterating over objects, arrays, strings and ranges

Group array of objects into lists.

List of video file extensions

Collection of image extensions

Bind data arrays to any type of JS objects

Circular fixed size array

Sparse array implementation in JS with no dependencies

Simple javascript lib for converting a [comma || space] delimited string to an array

Custom compare functions for sorting arrays.

compare two collections

Convert base64/datauri/plain string to ArrayBuffer

Utility for modifying / processing the contents of Javascript objects or arrays via object notation strings or globs.

Returns `true` if the given `string` or `array` ends with `suffix` using strict equality for comparisons.

This package includes a set of useful array methods that facilitates working with arrays, specifically the arrays that contain objects or arrays even falsy values (such as: 0, null, false, NaN...). This package is es5 supported.

A BBCode to AST Parser part of @bbob

Arranges values in an order.

An ES-spec-compliant (proposed) Array.prototype.at shim/polyfill/replacement that works as far down as ES3

An helper function to sort array based on a property or a predicate

Returns `true` if the given string or array starts with prefix using strict equality for comparisons. Using fastest implementation.

Count leading zeros in a Buffer (clz)

Check if an object is an array or a typed array

Array reducing utility.

Data engine is small data management lib for some sort and filter.

flatten() utility function

Prettier plugin to force all arrays to be multiline.

Works like String.prototype.replace but outputs an array. Useful for replacing parts of the string with objects of other types.

When you want array.some but not array.every. Useful when you need to determine partially selected states - like partially selecting tree nodes when some but not all child nodes are checked.

Swap two items in an array. Does not modify the Array prototype.

Run promise-returning & async functions in series

Set of (possibly rotated) arrays

In an array of objects, this enables a property on the object at the specified index, while disabling the property on all other objects.

A series of Tools to make sorting Arrays easier to work with, particularly when sorting objects.

Convert an array to a csv formatted string

find all combinations from array

Implementation of paper 'An O(ND) Difference Algorithm and Its Variations' on array

Asynchronously calls a function on each element in an array in parallel.

List of US states and territories.

a map from arrays of values to values

Convert any binary data to ArrayBuffer

dedupes an array

Maximum length for a typed array.

Sort numbers in ascending or descending order

Replaces `arr.includes(val)' with `arr.indexOf(val) >= 0`.

Returns `true` if a value exists in the given string, array or object.

return the number of bytes in a unicode string

Chunk converts arrays like `[1,2,3,4,5]` into arrays of arrays like `[[1,2], [3,4], [5]]`.

Casts the given value to a flatten array, and removes falsey items (similar to lodash compact).

Transforms nested values of complex objects

Returns the first index at which a given element can be found.

Test if a value is a collection.

Get the Depth of a Multi-Dimensional Array of Values

Memory-Aware Statistical Calculations

Composite utilities (immutability, fp helpers)

Create a filled generic array.

Invoke getter/setter functions on array-like objects

Test if a value is an Int32Array.

Retrieves the value of a specified property from all elements in the collection.

Uint8ClampedArray.

Allows deep cloning of plain objects that contain primitives, nested plain objects, or nested plain arrays.

Maximum unsigned 32-bit integer.

Detect which ES6 (ES2015 and above) features are available

Check whether a value is empty or blank, includes string whitespace support

Compute the cartesian product of an array.

Create a zero-filled generic array.

Int16Array.

Converts an array of items with ids and parent ids to a nested tree in a performant `O(n)` way. Runs in browsers and node.

Easily create a normalized inquirer choices question. Supports all of the `choices` question types: checkbox, list, rawlist, expand

Fuzzy match a command from a list (typo-safety)

Fast, generic JavaScript/node.js utility functions.

Helper library for getting all of the states and territories of the United States in the specific format that you need.

Fun with Iterables

Multi-Dimensional Functions. Create, Query, and Transform Multi-Dimensional Data.

Copy or deep clone a value to an arbitrary depth.

Array#filter() with also detecting indexes of filtered values

HashMap Class for JavaScript

Lots of utilities for Node.js

Array-map like function for objects.

Int32Array.

Get the Smallest and Largest Possible Numbers for a Typed Array

qsu is a utility library that contains useful and frequently used functions. Start with your preferred language and the modern development environment.

Test if a value is a Uint8ClampedArray.

Test if a value is an Int16Array.

Test if a value is an Int8Array.

[![github actions][actions-image]][actions-url] [![coverage][codecov-image]][codecov-url] [![dependency status][deps-svg]][deps-url] [![dev dependency status][dev-deps-svg]][dev-deps-url] [![License][license-image]][license-url] [![Downloads][downloads-im

Quickest Way to get the Minimum Value of an Array of Numbers (Typed or Untyped)

Int8Array.

Arranges values in an order.

Validates if a value is array-like.

Create an object from from arrays of keys and values

Shuffle Array based on a Seed

Return the first index at which a given element can be found.

List of prototype properties for JavaScript types

Quickest Way to get the Maximum Value of an Array of Numbers (Typed or Untyped)

Component-wise operations on ndarrays

Put non-empty strings into arrays, turn empty-ones into empty arrays. Bypass everything else.

Check if a value is an array or a typed array

Sort array with introsort algorithm

short-circuited, asynchronous version of Array.protototype.some

Get or set a deep value using a keypath string. Supports bracket and dot notation

Filter an object by its keys or values. Returns a copy of an object filtered to have only keys or values that match the given glob patterns.

Perform data joins with any type of JS objects

write logs to js Array

Treat your $PATH like a JavaScript Array

Computes array dimensions.

Get Pokémon names

Consumes a defaults object with booleans, generates all possible variations of it

Transforms nested keys of complex objects

Do not repeat anymore your objects transformations.

Array of "block level elements" defined by the HTML specification

Advance to the next item in the array looping when hitting the end.

Get the index of the first element in an array that returns truthy for the given value, using strict equality for comparisons.

WebGL buffer wrapper

Maximum length for a generic array.

Provides chainable comparator-function generators a la Java 8 Comparators

Vertex array object wrapper/shim for WebGL

Arrays.

Copy or deep clone a value to an arbitrary depth.

Type checking for JSON values

Quick Sort Algorithm Implementation CLI

filter, sort and paginate arrays using mongo-like syntax

Returns an element from an array when it matches a condition

Compare string arrays

A convenient way to return a JSX fragment without the wrapping `div` element and not worry about the version of React.

return a grouped object from array

Multidimensional arrays.

[](https://github.com/RichardLitt/standard-readme) [![Semantic Versioning 2.0.0](https://img.shields.io/badge/semver-2.0.0-brightgreen?styl

Return an array with the unique values present in _all_ given arrays using strict equality for comparisons.

Convert a string to utf8 byte array or vice versa.

Ensure a value is an array and wrap it if it is not an array

Component to iterate an array round robin.

Big Array object that allows to handle arrays with a huge number of elements.

Converts iterable objects into readable streams.

Generate a range array for numbers

Soft Asserts JSON, Array and other data

Iterates over the elements in an array, returning an array with only the elements for which the callback returns truthy.

Remove circular references from objects

Returns true if the callback returns truthy for all elements in the given array.

The Type Conversion Library. Numbers, Strings, Arrays, Maps, Objects, and Iterators.

A tiny JavaScript library for converting arrays of strings to compound subjects

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

Checks if the given value is an array or array-like object.

Allows deep cloning of plain objects that contain primitives, nested plain objects, or nested plain arrays.

format multiline strings using tagged templates, instead of puting all lines into an array and joining to a string

A [Chai](http://chaijs.com/) plugin that allows for assertions on each item in an array

Determine the best order for running async functions, and run them

Complex64Array.

Complex128Array.

Test if a value is an ArrayBuffer.

Add an object to an array between each element

Calculates the Cartesian product between multiple collections.

Fixes key names for HTTP form data, to ensure that arrays are handled correctly.

Reinterpret a Complex64Array as a Float32Array.

Convert a plain array of nodes (with pointers to parent nodes) to a tree

Like Array#indexOf but for objects used like hashes

Extended JS Map with Array-like methods

Get a random item from an array

Convert ArrayBuffer to string

Sorted Set in javascript for node that uses binary search for maintaining sort order

Get all chunks of a stream

Copies missing properties to the target object.

Given an array, pick a random element and return it.

Convert an 'address:port' string to an array [address:string, port:number]

Parse string into array of string elements

Save file dialog in browser, write file to disk in node

Functional tools for JS arrays

Filter array elements with Promises

Reinterpret a Complex128Array as a Float64Array.

Convert an array-like object to an object likely to have the same "shape".

Convert ArrayBuffer to Buffer

Decode the frames of a gif.