JSPM

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.

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.

Create an error from an array of error messages

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

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

create a new array filled with a value, or zero

remove items from a javascript array without generating memory garbage

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

Get consecutively unique elements from an array

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

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

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.

Convert Gitignore to Glob patterns

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

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

Find the intersection of two arrays

Collection of image extensions

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List of video file extensions

A map function that can map over almost anything.

Bind data arrays to any type of JS objects

Circular fixed size array

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.

Uppercase first character of each element in arrays of strings.

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

compare two collections

Arranges values in an order.

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

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

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

Check if an object is an array or a typed array

Count leading zeros in a Buffer (clz)

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

flatten() utility function

Prettier plugin to force all arrays to be multiline.

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

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.

Set of (possibly rotated) arrays

Convert an array to a csv formatted string

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

Array reducing utility.

find all combinations from array

Provides chainable comparator-function generators a la Java 8 Comparators

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

Run promise-returning & async functions in series

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.

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

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`.

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

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

return the number of bytes in a unicode string

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).

Memory-Aware Statistical Calculations

Composite utilities (immutability, fp helpers)

Invoke getter/setter functions on array-like objects

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

Maximum unsigned 32-bit integer.

a map from arrays of values to values

Detect which ES6 (ES2015 and above) features are available

Compute the cartesian product of an array.

Create a zero-filled generic array.

Fun with Iterables

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

Int16Array.

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

HashMap Class for JavaScript

Validates if a value is array-like.

Array-map like function for objects.

Create an object from from arrays of keys and values

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

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

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

Test if a value is an Int8Array.

Fast, generic JavaScript/node.js utility functions.

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

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

Int8Array.

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

Arranges values in an order.

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

Lots of utilities for Node.js

Copy or deep clone a value to an arbitrary depth.

Shuffle Array based on a Seed

Create a filled generic array.

List of prototype properties for JavaScript types

Test if a value is an Int32Array.

Uint8ClampedArray.

Int32Array.

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

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.

Perform data joins with any type of JS objects

Component-wise operations on ndarrays

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.

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

write logs to js Array

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

Computes array dimensions.

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

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

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

WebGL buffer wrapper

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

Vertex array object wrapper/shim for WebGL

Arrays.

Do not repeat anymore your objects transformations.

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

Type checking for JSON values

Quick Sort Algorithm Implementation CLI

Returns an element from an array when it matches a condition

filter, sort and paginate arrays using mongo-like syntax

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

Copy or deep clone a value to an arbitrary depth.

Multidimensional arrays.

Converts iterable objects into readable streams.

Get Pokémon names

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

Maximum length for a generic array.

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

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.

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.

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

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

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

Component to iterate an array round robin.

Complex128Array.

Like Array#indexOf but for objects used like hashes

Calculates the Cartesian product between multiple collections.

Get a random item from an array

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

Extended JS Map with Array-like methods

Convert ArrayBuffer to string

Copies missing properties to the target object.

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

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

Get all chunks of a stream

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

Parse string into array of string elements

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

Complex64Array.

Functional tools for JS arrays

Test if a value is an ArrayBuffer.

Reinterpret a Complex128Array as a Float64Array.

Filter array elements with Promises

Test if a value is an array-like object.

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

Reinterpret a Complex64Array as a Float32Array.

Convert ArrayBuffer to Buffer

🐊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.

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

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.

🐊Putout plugin adds ability to convert anonymous to arrow function

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

Arranges values in an order.

Return a JSON representation of a typed array.

🐊Putout plugin adds ability to remove useless Array constructor

Return the data type of an array.

Test if a value is a typed array.

Test if a value is a complex typed array.

Test if a value is array-like.

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

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

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.

Polyfill to provide array.find on IE.

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

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.

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

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

Cycle through the items of an array

Splits array into groups of n items each

Estlint rule - no async callbacks for array methods

return a flattened array

Chained and parallel async iterator in one elegant function.

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

Test if a value is a Complex128Array.

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

Arranges values in an order.

easy deduplication of array values

Like _.pullAll but with globs (wildcards)

Get index of closest value in sorted array.

Test if a value is a Complex64Array.

Return early from reduce

Frequent default values

List of ndarray data types.

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Extract the first JSON object or array from a string

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

Extends the d3 extent functionality to allow multiple accessors, padding and date support

Converts a Node readable stream into an array

Check whether a value is nonblank.

Check for wrong comparators, returning boolean, in Array.sort

Reads PHP arrays from a string into a JavaScript object

Computes the cartesian product of arrays provided by an array or an object

an async self sorting array

Collection of ~170 lightweight, composable transducers, reducers, generators, iterators for functional data transformations

Wrap and validate optional values

Tiny queue data structure. This is a fork of sindresorhus/yocto-queue, but with CommonJS support.

Remove object keys that have empty values.