JSPM

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

Creates a shallow clone of any JavaScript value.

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

Simultaneously sort two double-precision floating-point strided arrays based on the sort order of the first array using insertion sort.

Remove duplicate values from an array. Fastest ES5 implementation.

Parse postgres array columns

A static list of the Node.js builtin modules from the latest Node.js version

Recursively (deep) clone JavaScript native types, like Object, Array, RegExp, Date as well as primitives.

a few common utility template tags for ES2015

Combines a list of arrays, returning a single array with unique values, using strict equality for comparisons.

Extended native JavaScript Array which provides indexed lookup similar to native Map.

[](https://travis-ci.org/noasax/fast-array-sort) [](https://coveralls.io/git

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 array utility

Recursively flatten an array or arrays.

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

Visit a method over the items in an object, or map visit over the objects in an array.

Create an array by repeating the given value n times.

Map `visit` over an array of objects.

Immutable Array.prototype.sort.

Create an array without duplicates

Utils for working with JavaScript classes and prototype methods.

Sort an object or a collection of objects based on a criteria.

Iterator abstraction based on ES6 specification

Rearrange array elements by index array

Sort a double-precision floating-point strided array using insertion sort.

Check if a string matches the name of a Node.js builtin module

Sort a single-precision floating-point strided array using Shellsort.

Turn anything into an array

No-bullshit, ultra-simple, 35-lines-of-code async parallel forEach / map function for JavaScript.

sort an array in-place to a preset order

Isomorphic, functional type-checking for Javascript

Guarantees an array back

List of text file extensions

Create an array with values that are present in the first input array but not additional ones

A comprehensive todo management library with task and category utilities, plus array sorting functions

Arranges values in an order.

Array / Arraylike utilities

ES2015 `Array#findIndex()` ponyfill

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

Merge two lists, trying to preserve the order of both

Join paths and globs.

Array-slice method. Slices `array` from the `start` index up to, but not including, the `end` index.

Array methods for ES6 Iterators

Like an array, but rounder.

Convert a string/promise/array/iterable/asynciterable/buffer/typedarray/arraybuffer/object into a stream

Simultaneously sort two single-precision floating-point strided arrays based on the sort order of the first array using insertion sort.

Get the longest item in an array.

Sort a strided array using Shellsort.

common javascript utils that can be required selectively that assume es5+

Sort an array, then apply the same steps to another array.

Loop over each item in an array and call the given function on every element.

Replace or remove multiple items in an array.

Convert an argument into a valid iterator. Based on the `.makeIterator()` implementation in mout https://github.com/mout/mout.

Check if two arrays are equal

Typescript-compatible minimalistic shallow equality check for arrays/objects

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

Microsoft sucks

Return true if a value is a valid glob pattern or patterns.

Sort a single-precision floating-point strided array using heapsort.

Iterate any iterable JS value. Works robustly in all environments, all versions.

ES spec-compliant shim for TypedArray.prototype.slice

Concatenate a readable stream's data into a single array

Simultaneously sort two strided arrays based on the sort order of the first array using Shellsort.

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

List of Markdown file extensions

Find the greatest satisfied semver range from an array of ranges.

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

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

Run an array of functions in series

Isomorphic map-reduce function to flatten an array into the supplied array

Array#filter for older browsers.

Get the last or last n elements in an array.

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

Validates if a value is an array.

Run promise-returning & async functions in series, each passing its result to the next

Creates an async iterator for a variety of inputs in the browser and node. Supports fetch, node-fetch, and cross-fetch

A ponyfill for the ES 2015 (ES6) `Array.from()`.

Validates if a value is an integer array.

Run an array of functions in parallel, but limit the number of tasks executing at the same time

Get all but the last element or last n elements of an array.

Faster alternative to javascript's native filter method.

Computes the greatest common divisor (gcd).

Sort a single-precision floating-point strided array using insertion sort.

An optionally-asynchronous forEach with an interesting interface.

make a shallow copy of an object or array

Randomize the order of items in an array

Computes the least common multiple (lcm).

Faster, node.js focused alternative to JavaScript's native array map.

filter in array tree

Sort an array alphabetically, ignoring case

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

Treat multiple buffers as one

MongoDB-style object operators makes array manipulation easy: where/order/update/view

`[].map(f)` for older browsers

[](https://www.npmjs.com/package/levenary) [](https://github.com/tanhauhau/levenary/actions)

finds an item in an array matching a predicate function, and returns its index

Uniquely flexible and light-weight utility for cloning and deep (recursive) merging of JavaScript objects. Supports descriptor values, accessor functions, and custom prototypes. Provides advanced options for customizing the clone/merge process.

ES6 Array.find ponyfill. Return the first array element which satisfies a testing function.

Make any value an array. No dependencies.

A faster Node.js alternative to Array.prototype.slice.call(arguments)

Multidimensional Arrays

Microsoft sucks

`[].reduce()` for old browsers

Watch an object or array for changes

An array is a collection of values, stored contiguously.

Generates an array of consecutive integers starting at 0

Make array iteration easy when using async/await and Promises

Sort array of strings by faroese alphabet

a packger for array sort by jl

Check whether a value is "empty".

Arranges values in an order.

Sort an array of numbers, in ascending order

Returns true if the given number is odd, and is an integer that does not exceed the JavaScript MAXIMUM_SAFE_INTEGER.

Find the first element in an array that passes a callback test. Equivalent to underscore.find()

Test if a value is an array.

Return a function which tests if every element in an array passes a test condition.

Safely push each item of an array to a stream

Reuse typed arrays

Test if a value is a Float64Array.

Float32Array.

Test if a value is a Uint32Array.

Maximum unsigned 32-bit integer.

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

Float64Array.

A tiny, faster alternative to native Array.prototype.every

Test if a value is a Uint8Array.

Test if a value is a Uint16Array.

Uint8Array.

Return a data type from a string representing the type

Packs an array-of-arrays into a single ndarray

Test if a value is a Float32Array.

Uint32Array.

Uint16Array.

Deep-merge the values of one object structure into another

Initialize an array of arrays to a constant

Rotate all items in an array

Find [nd-]array min/max values

List of getter/setter properties for JavaScript types

creates a new array with given range

flattens nested vertex data into a typed array

Normalize array (possibly n-dimensional) to zero mean and unit variance

Simple iterator for flat and multi section lists

Move an array item to a different position

Convert Buffer to ArrayBuffer

Returns an array containing the initial elements which both input arrays have in common

Deep copy objects and arrays

this npm package help to user sort the data from the array in javascript. user can sort data with/without object name.

Utilities to get and check variable types (isString, isPlainObject, isRegExp, etc)

List of properties for JavaScript objects

List of JavaScript types

Makes easy to convert JSON to CSV

The swiss army knife for binary data in JavaScript.

Rotate an array by a given number of steps

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.

Merge Sort Algorithm Implementation

Uniquely flexible and light-weight utility for cloning and deep (recursive) merging of JavaScript objects. Supports descriptor values, accessor functions, and custom prototypes. Provides advanced options for customizing the clone/merge process.

Comma delimit an array for human readability, the Oxford comma is optional.

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.

Creates a real Array from almost anything.

Chai plugin for JSON Schema v4

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

Computes the dot product between two numeric arrays.

Computes the cosine similarity between two arrays.

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

Extensible deep value equivalence checking for any data types

Functional tree editing, manipulation & navigation

Return true if the given number is even.

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

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

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

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

Recursively iterates over arrays and objects

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.

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

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

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

Flatten a nested array.

Contiguous list sorting, similar to macOS Finder sort

List of common default router IP addresses

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

Module for working with CIDR (v4, v6)

Produces a new array, sorted in given order

Lazily initialized properties for objects

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

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

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

Simultaneously sort two double-precision floating-point strided arrays based on the sort order of the first array using heapsort.

Simultaneously sort two double-precision floating-point strided arrays based on the sort order of the first array using Shellsort.

A utility function to index arrays by any criteria

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

recursive object extending & overriding

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

Array with sorted insertion and optimized search methods.

Pipe an Array through Node.js streams

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.

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

Asynchronous iterator function for parallel processing.

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

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

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.

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

Check if the given value is an Array

Returns an array filled with the specified input

Fast intersection of multiple arrays

Randomize the order of the elements in a given array.

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.

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

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

Execute a method out from an object.

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

Create an error from an array of error messages

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

remove items from a javascript array without generating memory garbage

Get consecutively unique elements from an array

Sorts items in descending order of length.

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

create a new array filled with a value, or zero

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

Arranges values in an order.

Find the intersection of two arrays

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

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

[![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

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

Sort an array into ascending or descending order

A map function that can map over almost anything.

Group array of objects into lists.

Uppercase first character of each element in arrays of strings.

List of video file extensions

An Extensive JavaScript Standard Library.

Collection of image extensions

Circular fixed size array

Sparse array implementation in JS with no dependencies

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.

Bind data arrays to any type of JS objects

Convert Gitignore to Glob patterns

Convert base64/datauri/plain string to ArrayBuffer

Arranges values in an order.

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

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

A BBCode to AST Parser part of @bbob

compare two collections

Count leading zeros in a Buffer (clz)

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

flatten() utility function

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.