JSPM

A high-performance TypeScript utility package for filtering and manipulating arrays with an optimized React component for interactive filtering UI

Flatten a nested array.

A comprehensive collection of TypeScript/JavaScript utility functions for common programming tasks. Includes validation, object manipulation, date handling, string formatting, and more. Zero dependencies, fully typed, and optimized for performance.

Tiny utility to check if a value is empty

Get the first fulfilled promise that satisfies the provided testing function

A small utility for storing and working with a fixed-length history of (ususally numeric) values.

Get the first path that exists on disk of multiple paths

Get the native type of a value.

Array#isArray for older browsers

JavaScript utility functions for various tasks

Determines if an object can be used as an array

Tiny queue data structure

Fill in a range of numbers or letters, optionally passing an increment or `step` to use, or create a regex-compatible range with `options.toRegex`

Get the last or last n elements in an array.

Is this value a JS Typed Array? This module works cross-realm/iframe, does not depend on `instanceof` or mutable properties, and despite ES6 Symbol.toStringTag.

Run an array of functions in parallel

Create an array of unique values, in order, from the input arrays

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

Returns true if a value is a plain object, array or function.

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

Which kind of Typed Array is this JavaScript value? Works cross-realm, without `instanceof`, and despite Symbol.toStringTag.

List of binary file extensions

Planetary Dials is a utility library for mapping country codes, dial codes, and their flags.

A tiny and type-safe TypeScript utility to create and work with fixed-length arrays (tuples).

An ES2019 spec-compliant `Array.prototype.flat` shim/polyfill/replacement that works as far down as ES3.

Is this value a JS ArrayBuffer?

ES spec-compliant shim for ArrayBuffer.prototype.slice

Robustly get the byte offset of a Typed Array

Advanced Array utility functions. Extra arguments for map and forEach including first, last, brk, odd, even, penultimate, and more!

A list of SPDX license identifiers

Flatten nested arrays

Is this value a JS SharedArrayBuffer?

An ES7/ES2016 spec-compliant `Array.prototype.includes` shim/polyfill/replacement that works as far down as ES3.

Robustly get the byte length of a Typed Array

A simple list of possible Typed Array names.

Robustly get the length of a Typed Array

Convert a value to an array

An ES2019 spec-compliant `Array.prototype.flatMap` shim/polyfill/replacement that works as far down as ES3.

A utility that provides a fluent, convenient interface for working with arrays of data in JavaScript. Influenced by Laravel Collections.

Detect whether or not an object is a Typed Array

Simply swizzle your arguments

TypedArray polyfill for old browsers

Returns true if a value exists, false if empty. Works with deeply nested values using object paths.

Array manipulation, ordering, searching, summarizing, etc.

A simple npm utility package for managing collection functions

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

An ESnext spec-compliant `Object.groupBy` shim/polyfill/replacement that works as far down as ES3.

Utility functions for SQL-like array joins

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

Creates a shallow clone of any JavaScript value.

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

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

A comprehensive TypeScript utility library with 250+ functions across 7 categories

A TypeScript utility library focused on deep operations for objects and arrays with full type safety. Similar to Lodash, but narrower in scope and fully written in TypeScript to maximize typing support.

Remove duplicate values from an array. Fastest ES5 implementation.

Parse postgres array columns

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

Test if a value is an array.

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

Test if a value is a Float64Array.

Test if a value is a Uint32Array.

Test if a value is a Uint8Array.

Test if a value is a Uint16Array.

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

Small utility function to calculate the average value of an array

Sort the keys of an object

Test if a value is a Float32Array.

Events and more for arrays

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

Map `visit` over an array of objects.

Create an array by repeating the given value n times.

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.

Utils for working with JavaScript classes and prototype methods.

Create an array without duplicates

Iterator abstraction based on ES6 specification

A simple pagination utility, with humble operation ability.

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

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

Utility method for finding the difference between arrays, showing which array has which differences

Turn anything into an array

Get a compare function for array to sort

Guarantees an array back

Isomorphic, functional type-checking for Javascript

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

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.

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

List of text file extensions

ES2015 `Array#findIndex()` ponyfill

Merge two lists, trying to preserve the order of both

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

Join paths and globs.

Array methods for ES6 Iterators

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

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

A collection of utility functions for asynchronous operations in TypeScript.

Removes duplicates from a sorted array in place

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

Like an array, but rounder.

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

Get the longest item in an array.

Utility for working with an array of promises

A modern, comprehensive utility library with complete Lodash parity plus advanced features

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

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

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

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.

Objix is a delightfully convienient, high performance, zero dependency and super lightweight utility which extends the javascript standard library to sugar many common use cases for working with any objects.

Replace or remove multiple items in an array.

Check if two arrays are equal

Typescript-compatible minimalistic shallow equality check for arrays/objects

Microsoft sucks

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

Lightweight and performant natural sorting of arrays and collections by differentiating between unicode characters, numbers, dates, etc.

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

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

ES spec-compliant shim for TypedArray.prototype.slice

Simple utility that checks whether or not two arrays overlap. It is equivalent to intersection(arr1, arr2).length > 0, but is more performant.

Modern, strongly typed, and safe utility function library for JavaScript and TypeScript. Includes type checking, manipulation of arrays, objects, strings, dates, colors, numbers, regular expressions, and more. Compatible with Browser, Node.js, Deno, and B

Concatenate a readable stream's data into a single array

A tiny (111B) & fast utility to retrieve all unique values from an Array

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

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

List of Markdown file extensions

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

Multidimensional arrays.

Run an array of functions in series

Array#filter for older browsers.

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

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

Validates if a value is an array.

Convert Gitignore to Glob patterns

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

A utility that takes 1 or more sorted arrays and emits a node stream event whenever an intersection is found

Validates if a value is an integer array.

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

Useful utility for recursively traversing Arrays and Objects.

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

Faster alternative to javascript's native filter method.

Computes the greatest common divisor (gcd).

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

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

Computes the least common multiple (lcm).

An optionally-asynchronous forEach with an interesting interface.

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

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.

make a shallow copy of an object or array

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

filter in array tree

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

JavaScript utility methods for arrays

Sort the keys in an object.

Sort array elements in ascending order.

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

Treat multiple buffers as one

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

@ffras4vnpm/inventore-aliquam-quisquam is a Node.js module to mask various kinds of data. With the help of @ffras4vnpm/inventore-aliquam-quisquam, you can mask email, phone number, card number, JSON fields, password, etc... <br/>Also, it provides utility

Sort array elements in descending order.

JS/TS utility tool that offers your wide varity of function to simplify your problem with the data

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

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

The FinTech utility collections of simple, cumulative, and exponential moving averages.

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

A set of js core utility functions

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

Make any value an array. No dependencies.

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

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

Microsoft sucks

javascript array, string, number, point, color, cache, date utility/helper

A single collection of all of Just utility functions in one single library

Multidimensional Arrays

`[].reduce()` for old browsers

Test if a value is an Int32Array.

Make array iteration easy when using async/await and Promises

Test if a value is a collection.

Watch an object or array for changes

Generates an array of consecutive integers starting at 0

Check whether a value is "empty".

Test if a value is an Int8Array.

Javascript utility for calculating deep difference with order, capturing changes, and applying changes across objects; for nodejs and the browser.

A comprehensive TypeScript utility library providing helper functions for arrays, objects, strings, and more

Async control for arrays

Test if a value is a Uint8ClampedArray.

Test if a value is an Int16Array.

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

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

Reuse typed arrays

Float32Array.

A small utility library

Float64Array.

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

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

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

Uint8Array.

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

Maximum unsigned 32-bit integer.

Safely push each item of an array to a stream

Sort an array on an object property

A tiny (139B) & fast utility to recursively flatten an array of arrays!

Return a data type from a string representing the type

Component to iterate an array round robin.

Packs an array-of-arrays into a single ndarray

Deep-merge the values of one object structure into another

Uint32Array.

Uint16Array.

Reads PHP arrays from a string into a JavaScript object

Initialize an array of arrays to a constant

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

A tiny (~200B) and fast nested/deep equality utility

Rotate all items in an array

Rearrange array elements by index array

creates a new array with given range

List of getter/setter properties for JavaScript types

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

Find [nd-]array min/max values

Safely get deep nested properties using dot notation

flattens nested vertex data into a typed array

Simple iterator for flat and multi section lists

Deep copy objects and arrays

Move an array item to a different position

Test if a value is an ArrayBuffer.

Convert Buffer to ArrayBuffer

A collection of standard utility classes and functions designed to enhance your TypeScript development experience.

Add an object to an array between each element

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

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.

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

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

Array / Arraylike utilities

Rotate an array by a given number of steps

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

Test if a value is array-like.

Chai plugin for JSON Schema v4

Creates a real Array from almost anything.

Test if a value is an array-like object.

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

Computes the dot product between two numeric arrays.

Computes the cosine similarity between two arrays.

Extensible deep value equivalence checking for any data types

Return true if the given number is even.

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

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

Return the data type of an array.

Functional tree editing, manipulation & navigation

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