JSPM

Module for working with CIDR (v4, v6)

Push an array of items into an array, while being robust against prototype modification

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

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

Parse postgres array columns

Remove duplicate values from an array. Fastest ES5 implementation.

Push items to an array at their correct sort-position

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

a few common utility template tags for ES2015

Typescript-compatible minimalistic shallow equality check for arrays/objects

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

Recursively flatten an array or arrays.

Return a partial object copy excluding specified keys.

Return a partial object copy containing only specified keys.

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

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

Create an array without duplicates

ES spec-compliant shim for TypedArray.prototype.slice

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

No-bullshit super-simple es7 collections shim for Array#includes, Object.values, Object.entries

Turn anything into an array

Convert an array to a csv formatted string

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

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

A order-map collection in the form of key, value, that ensures the index.

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

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

Run an array of functions in series

Isomorphic, functional type-checking for Javascript

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

Copy the elements of an indexed array-like object to a new generic array.

Creates a real Array from almost anything.

List of text file extensions

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

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.

Join paths and globs.

ES2015 `Array#findIndex()` ponyfill

Treat multiple buffers as one

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

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

Maximum unsigned 32-bit integer.

Simple ES6 Array.prototype.findIndex polyfill for older environments.

Float64Array.

Test if a value is an array.

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

Test if a value is a Uint8Array.

Test if a value is a Uint16Array.

Uint8Array.

Test if a value is a Float64Array.

Float32Array.

Test if a value is a Uint32Array.

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

Get the last or last n elements in an array.

Uint32Array.

Uint16Array.

Convert Buffer to ArrayBuffer

Test if a value is a Float32Array.

Get the longest item in an array.

Faster alternative to javascript's native filter method.

Convert a string to utf8 byte array or vice versa.

Natural Sort algorithm for Javascript - Version 0.7 - Released under MIT license

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

Check if two arrays are equal

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

Rotate an array by a given number of steps

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

Move an array item to a different position

Microsoft sucks

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

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

Sorts any JavaScript array in a predictable way (deep equal arrays are always sorted in the same order)

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.

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

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

Returns a copy of an object, sorted deeply by its keys, without mangling any arrays inside of it

A commonly used array copy utility. (arrayCopy and arrayCopyTo)

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

List of Markdown file extensions

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

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

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

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

flattens nested vertex data into a typed array

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

Return a JSON representation of a typed array.

Merge two lists, trying to preserve the order of both

Chai plugin for JSON Schema v4

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

Validates if a value is an array.

Validates if a value is an integer array.

Array#filter for older browsers.

Safely push each item of an array to a stream

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

Computes the greatest common divisor (gcd).

Computes the least common multiple (lcm).

A utility function to index arrays by any criteria

Isomorphic, load-anywhere function to sort an array by scalar, deep or computed values in any standard or custom order

Deep-merge the values of one object structure into another

An optionally-asynchronous forEach with an interesting interface.

Fast and powerful array sorting. Sort an array of objects by one or more properties. Any number of nested properties or custom comparison functions may be used.

Return a data type from a string representing the type

Functional tree editing, manipulation & navigation

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

Create an error from an array of error messages

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.

filter in array tree

Sort array elements in descending order.

Sort the keys in an object.

Sort array elements in ascending order.

creates a new array with given range

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

Initialize an array of arrays to a constant

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

Make any value an array. No dependencies.

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

Shuffle and unshuffle an array by seed/key.

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

Asynchronous iterator function for parallel processing.

Fast intersection of multiple arrays

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

Object/Array shallow copy

Multidimensional Arrays

Returns an array filled with the specified input

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.

Array / Arraylike utilities

Watch an object or array for changes

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.

Microsoft sucks

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

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

Flatten a nested array.

Extensible deep value equivalence checking for any data types

Converts value to an integer suitable for use as the length of an array-like object.

A map function that can map over almost anything.

`[].reduce()` for old browsers

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

Make array iteration easy when using async/await and Promises

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.

Copy the elements of an array-like object to a new generic array.

Bind data arrays to any type of JS objects

Generates an array of consecutive integers starting at 0

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.

Copies missing properties to the target object.

Blazing fast, tree-shakeable, type-safe, modern utility library to sort any type of array in less than 1 KB!

remove items from a javascript array without generating memory garbage

Check whether a value is "empty".

Convert base64/datauri/plain string to ArrayBuffer

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.

Convert Gitignore to Glob patterns

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

Removes specified values from the end of an array.

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

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

Reuse typed arrays

Recursively iterates over arrays and objects

Sort an array on an object property

Packs an array-of-arrays into a single ndarray

Convert any binary data to ArrayBuffer

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

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Sort objects by property names using native Array.sort()

Lazily initialized properties for objects

Rotate all items in an array

Find [nd-]array min/max values

Rearrange array elements by index array

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

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

Simple iterator for flat and multi section lists

List of getter/setter properties for JavaScript types

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

List of properties for JavaScript objects

List of JavaScript types

Return the shape of a provided ndarray.

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

Uint8ClampedArray.

Return the strides of a provided ndarray.

Maximum length for a typed array.

Create a filled generic array.

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

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

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

Test if a value is a collection.

Create a zero-filled generic array.

Test if a value is an Int32Array.

Computes the dot product between two numeric arrays.

Computes the cosine similarity between two arrays.

Get consecutively unique elements from an array

Randomize the order of items in an array

Run promise-returning & async functions in series

Int16Array.

Int8Array.

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

Memory-Aware Statistical Calculations

[![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

Sort an object's keys, including an optional key list

Return true if the given number is even.

Test if a value is an Int8Array.

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

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

Perform data joins with any type of JS objects

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

Remembers the highest/lowest values in a data set of any size.

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

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

Test if a value is a Uint8ClampedArray.

List of common default router IP addresses

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.

Test if a value is an Int16Array.

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

Lots of utilities for Node.js

Int32Array.

returns a copy of an array or object with null/undefined members removed

Converts iterable objects into readable streams.

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

Maximum length for a generic array.

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

A BBCode to AST Parser part of @bbob

Collection of image extensions

Arrays.

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

Group array of objects into lists.

Transforms nested keys of complex objects

Multidimensional arrays.

Convert ArrayBuffer to string

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

recursive object extending & overriding

Compare string arrays

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

Sort string index ranges

Set of (possibly rotated) arrays

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

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

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

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

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

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

Transforms nested values of complex objects

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

Check if the given value is an Array

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

Pipe an Array through Node.js streams

Do not repeat anymore your objects transformations.

find all combinations from array

Complex64Array.

Test if a value is an ArrayBuffer.

a map from arrays of values to values

Extended JS Map with Array-like methods

Generate markdown table from array of objects