JSPM

Asynchronous iterator function for parallel processing.

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

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

Arranges values in an order.

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.

Generic compare function for Array.prototype.sort()

Pipe an Array through Node.js streams

Get sorted indexes of array (using insertion sort).

Array with sorted insertion and optimized search methods.

Check if the given value is an Array

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

Fast intersection of multiple arrays

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.

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

Randomize the order of the elements in a given array.

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

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

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.

Sort an array into ascending or descending order

Execute a method out from an object.

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

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

Create an error from an array of error messages

create a new array filled with a value, or zero

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

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.

Convert Gitignore to Glob patterns

remove items from a javascript array without generating memory garbage

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

Find the intersection of two arrays

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

Collection of image extensions

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A map function that can map over almost anything.

List of video file extensions

Bind data arrays to any type of JS objects

Circular fixed size array

Uppercase first character of each element in arrays of strings.

Group array of objects into lists.

Sparse array implementation in JS with no dependencies

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

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.

Custom compare functions for sorting arrays.

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

Convert base64/datauri/plain string to ArrayBuffer

A BBCode to AST Parser part of @bbob

Arranges values in an order.

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.

compare two collections

Check if an object is an array or a typed array

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

Prettier plugin to force all arrays to be multiline.

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

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

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

Array reducing utility.

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.

Set of (possibly rotated) arrays

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

Convert an array to a csv formatted string

find all combinations from array

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

List of US states and territories.

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.

Convert any binary data to ArrayBuffer

Run promise-returning & async functions in series

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

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`.

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

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

Transforms nested values of complex objects

return the number of bytes in a unicode string

a map from arrays of values to values

Test if a value is a collection.

Get the Depth of a Multi-Dimensional Array of Values

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

Composite utilities (immutability, fp helpers)

Memory-Aware Statistical Calculations

Invoke getter/setter functions on array-like objects

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

Detect which ES6 (ES2015 and above) features are available

Maximum unsigned 32-bit integer.

Compute the cartesian product of an array.

Create a zero-filled generic array.

Fun with Iterables

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

Int16Array.

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

Create a filled generic array.

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

Test if a value is an Int32Array.

Uint8ClampedArray.

HashMap Class for JavaScript

Validates if a value is array-like.

Array-map like function for objects.

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

Create an object from from arrays of keys and values

Test if a value is an Int8Array.

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

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Int8Array.

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

Arranges values in an order.

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

Lots of utilities for Node.js

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

Shuffle Array based on a Seed

List of prototype properties for JavaScript types

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.

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

Copy or deep clone a value to an arbitrary depth.

Component-wise operations on ndarrays

Perform data joins with any type of JS objects

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

Check if a value is an array or a typed array

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.

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

Int32Array.

Get the Smallest and Largest Possible Numbers for a Typed Array

Test if a value is a Uint8ClampedArray.

Test if a value is an Int16Array.

write logs to js Array

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

Computes array dimensions.

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

Transforms nested keys of complex objects

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

Treat your $PATH like a JavaScript Array

WebGL buffer wrapper

Vertex array object wrapper/shim for WebGL

Arrays.

Type checking for JSON values

Provides chainable comparator-function generators a la Java 8 Comparators

Quick Sort Algorithm Implementation CLI

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

Returns an element from an array when it matches a condition

Get Pokémon names

filter, sort and paginate arrays using mongo-like syntax

Compare string arrays

Do not repeat anymore your objects transformations.

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

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.

Maximum length for a generic array.

Converts iterable objects into readable streams.

Copy or deep clone a value to an arbitrary depth.

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

Generate a range array for numbers

Soft Asserts JSON, Array and other data

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

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

Remove circular references from objects

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

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.

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.

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.

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

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

Add an object to an array between each element

Complex128Array.

Like Array#indexOf but for objects used like hashes

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

Calculates the Cartesian product between multiple collections.

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

Get a random item from an array

Extended JS Map with Array-like methods

Convert ArrayBuffer to string

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

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

Copies missing properties to the target object.

Get all chunks of a stream

Complex64Array.

Test if a value is an ArrayBuffer.

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

Reinterpret a Complex64Array as a Float32Array.

Parse string into array of string elements

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

Functional tools for JS arrays

Reinterpret a Complex128Array as a Float64Array.

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

Filter array elements with Promises

Test if a value is an array-like object.

Convert ArrayBuffer to Buffer

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

🐊Putout plugin adds ability to convert array copy to slice

A zero-dependency library of classes that make filtering, sorting and observing changes to arrays easier and more efficient.

Does sort your arrays of T object following a verbose sortString 🙂 .

Arranges values in an order.

A toolkit for deep structure manipulations, provides deep merge/clone functionality out of the box, and exposes hooks and custom adapters for more control and greater flexibility.

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

Return a JSON representation of a typed array.

Return the data type of an array.

Test if a value is array-like.

Test if a value is a typed array.

Test if a value is a complex typed array.

Decode the frames of a gif.

A lightweight javascript diff library for comparing two javascript object nested with supporting matching by value of the object's choosen key name in array.

🐊Putout plugin adds ability to convert anonymous to arrow function

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

🐊Putout plugin adds ability to remove useless Array constructor

Compare two arrays of objects, finding added, removed, updated and identical objects. Details the differences between updated objects.

Extract javascript comments on per character basis. Comment object compatible with `acorn-extract-comments` and Esprima format.

Copy values from x into y.

Return an accessor function for retrieving an element from an array-like object supporting the get/set protocol.

Test if an array-like object supports the accessor (get/set) protocol.

Generate markdown table from array of objects

returns an array of grouped elements, taking n-th element from every given array

Polyfill to provide array.find on IE.

ES2017 ready LINQ features written in TypeScript

Return an accessor function for setting an element in an array-like object supporting the get/set protocol.

Return an accessor function for retrieving an element from an indexed array-like object.

Return an accessor function for setting an element in an indexed array-like object.

Effectively merge arrays of objects into a single array by merging objects with the same key (property).

Test if a value is a Complex64Array.

Transform all for-of loops into the equivalent array for loop

Splits array into groups of n items each

return a flattened array

Estlint rule - no async callbacks for array methods

Zero-dependency minimal package (two functions) to provide better-readable (albeit more verbose) wrapper over JS default `Array.sort()`. Fully typed.

Chained and parallel async iterator in one elegant function.

Test if a value is a Complex128Array.

Frequent default values

Arranges values in an order.

easy deduplication of array values