JSPM

Given some data, jsesc returns the shortest possible stringified & ASCII-safe representation of that data.

Returns true if a value has the characteristics of a valid JavaScript descriptor. Works for data descriptors and accessor descriptors.

Set a function's length property

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

Returns true if a value has the characteristics of a valid JavaScript data descriptor.

Which kind of Collection (Map, Set, WeakMap, WeakSet) is this JavaScript value? Works cross-realm, without `instanceof`, and despite Symbol.toStringTag.

Set a function's name property

Is this value a JS WeakSet? This module works cross-realm/iframe, and despite ES6 @@toStringTag.

Is this value a JS WeakMap? This module works cross-realm/iframe, and despite ES6 @@toStringTag.

Returns true if a value has the characteristics of a valid JavaScript accessor descriptor.

Does this environment have the ability to get the [[Prototype]] of an object on creation with `__proto__`?

Is this value a JS Map? This module works cross-realm/iframe, and despite ES6 @@toStringTag.

Is this value a JS Set? This module works cross-realm/iframe, and despite ES6 @@toStringTag.

Basic cache object for storing key-value pairs.

Framework for rapidly creating high quality, server-side node.js applications, using plugins like building blocks

Set nested properties on an object using dot notation.

Get, set, or delete a property from a nested object using a dot path

Robustly set the [[Prototype]] of an object

Create an array without duplicates

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

Basic object cache with `get`, `set`, `del`, and `has` methods for node.js/javascript projects.

Iterator abstraction based on ES6 specification

A tiny (194B) utility for safely writing deep Object values~!

Parses set-cookie headers into objects

Make a function mimic another one

javascript standard data structure library which benchmark against C++ STL

javascript standard data structure library which benchmark against C++ STL

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

Array methods for ES6 Iterators

{G,S}et object values using MongoDB-like path notation

Handy data structures for elements keyed by string.

Like a JavaScript Set() but with a TTL for entries

asn1js is a pure JavaScript library implementing this standard. ASN.1 is the basis of all X.509 related data structures and numerous other protocols used on the web

ECMAScript 6 (Harmony) compatibility shims for legacy JavaScript engines

for adding, subtracting, and indexing discontinuous ranges of numbers

A skip list implementation inspired by the Sorted Set in Redis.

The lodash method `_.set` exported as a module.

ECMAScript6 Set polyfill

For adding, subtracting, and indexing discontinuous ranges of numbers

Like a JavaScript Set, but with a TTL on entries

Define (or modify) an object property.

get.and.set.deep.objects.easily = true

Define a non-enumerable read-only property.

Check whether a value is "empty".

Does a JS type have a getter/setter property

List of SPDX licenses

A splay tree typescript library

fast and robust stringset

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

Provides a list of reserved identifiers for JavaScript

Extensible deep value equivalence checking for any data types

Set the more significant 32 bits of a double-precision floating-point number.

Similar to assign-value but deeply merges object values or nested values using object path/dot notation.

Set the less significant 32 bits of a double-precision floating-point number.

Map and Set shims for PouchDB

Fast intersection of multiple arrays

Library of associative containers; it implements TreeMap, TreeSet, TreeMultiMap and TreeMultiSet classes

A union-find data structure for maintaining disjoint sets.

gl-matrix's vec3, split into smaller pieces

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

Easily edit a json file from the CLI or NodeJS

Simple API for managing options in JavaScript applications.

Copy or deep clone a value to an arbitrary depth.

Charset Detector - Detect the encoding and language of text files - Use it in the browser, with Node.js, or via CLI

Set of (possibly rotated) arrays

Easily persist and load config data. No dependencies.

Transit is a data format and a set of libraries for conveying values between applications written in different languages. This library provides support for marshalling Transit data to/from Javascript.

data structures with idiomatic JavaScript collection interfaces

Easily set default fields in objects.

Define a read-only property.

Set for RDF/JS Terms

Copy or deep clone a value to an arbitrary depth.

Expand a string into a JavaScript object using a simple notation. Use the CLI or as a node.js lib.

Nested collections manager

Use package.json as a config store.

Hash, SortedSet

Predefine your Object.defineProperties to create a more human readable API.

set value at property, create intermediate properties if necessary

Creates and makes an array without duplicates. Even with array of objects with a specified matcher.

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

A wrapper for Commander that automatically sets the version based on your package.json

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

Class representing a changing and transformable collection of items.

Object.setPrototypeOf Polyfill

A performance optimized infinite bit vector library

Define a non-enumerable read-write accessor.

Standard data structure

🐡 Get, set, remove, and test for deeply nested properties

Copies missing properties to the target object.

Delete given (deep) object path

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

Utilities to work with projections (e.g. mongo)

A set of extra asserts for validator.js.

set value in nested object

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.

Make a function mimic another one. This is a fork of sindresorhus/mimic-fn, but with CommonJS support.

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

Memoz is an in-memory database that persists on disk. The data model is key-value.

Open-source and beautifully hand-crafted collection of media icons.

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

A sorted list of key-value pairs in a fast, typed in-memory B+ tree with a powerful API.

Efficient mutable set for IP addresses

ES6 Map Implemented in TypeScript

deep freeze, works with Map and Set

Rename a function

The smallest, yet handy, Map and WeakMap utility ever

JSON toolkit for JavaScript

Safely get deep nested properties using dot notation

💠 Recursive assign for objects, arrays and more

Sets the value at path of object.

Type-safe library for reading, writing, or checking, nested values of an object

A set of tiny, composable React components for handling state with render props.

Set nested values on an object using a dot path or custom separator

Reversibly transform unserializable values into serializable ones. Includes Redux middleware.

Deep sort an object, no matter what the contents are.

Map and WeakMap that returns value on .set(...)

production-ready data structures implementation in javascript & typescript.

Enhanced Set that extends javascript ES6 Set

A sorted list of key-value pairs in a fast, typed in-memory B+ tree with a powerful API.

Set/Append headers to request.

A very simple signal library inspired by the 'signals' package

Next JavaScript Object Notation

Property, range, map, and set content change observers for arrays, objects, and other instances.

ES Map/Set-compatible implementations with customizable equality semantics & supporting operations

An array is a collection of values, stored contiguously.

Resolve dot notation strings

Functional sequences for processing iterable data in JavaScript

Immutable SortedMap and SortedSet implementations for TypeScript

A set that keeps the frequency of occurrences.

An iterable is a sequence of values.

Javascript data structures (e.g., Map, Set) that support deep object equality

Immutable HashMap and HashSet implementations for TypeScript

Immutable OrderedMap and OrderedSet implementations for TypeScript

Concats arrays but does so like a zipper instead of appending them. Like lodash.zip + lodash.flat, plus a length limit

Functions that work on both Maps and Objects: has, get, set, delete, entries, keys, values, etc.

Functional JavaScript library

javascript standard data structure library which benchmark against C++ STL

ES7 Proposal: Set#toJSON https://github.com/DavidBruant/Map-Set.prototype.toJSON

Calculate the difference of two arrays

Deep set a nested property.

javascript standard data structure library which benchmark against C++ STL

TypeScript utility to transform nested objects using a dot notation path.

Get and set nested variables of an object, includes support for Backbone Models

Immutable collections and tools for TypeScript

Set container

Shuffle the words in a string and optionally the letters in each word using the Fisher-Yates algorithm. Useful for creating test fixtures, benchmarking samples, etc.

Check empty for: array, string, object, function, number, date

Base functionality used throughout XY Labs TypeScript/JavaScript libraries

Given two sets, `compare-sets` will return sets of the added, retained, and removed items

A tiny library providing for creating a variety of random value generators.

Snapdragon plugin that adds a capture method to the parser instance.

Split an iterable into evenly sized chunks

Make the === operator compare arrays by values instead of references.

Declarative JS tests with lazy evaluation using jest.

Return element accessors for a provided array-like object.

A library that provides the missing Set methods such as map and filter.

An implementation of Sets in JavaScript

Set nested properties of an object while respecting the principles of immutability

Set a query string style field on an object.

Extract values and paths from AST by keys OR set them by keys

javascript standard data structure library which benchmark against C++ STL

set a new property in a js object and return the value of the given property

Sorted set data structures

Safely get/set deep nested properties with standard path, strong type support

Deep set Vue.js objects

Sets the less significant 32 bits of a double-precision floating-point number.

A group of functions for working with Maps.

Define a non-enumerable property.

React components for [Stripe.js and Elements](https://stripe.com/docs/stripe-js).

Filter an object using glob patterns and dot notation.

Defines a read-only property.

Provides LINQ-like fluent api operations for iterables and async iterables (ES2018+).

Utilities for running commands on a specific version of node by installed path

Access(read, write and delete) an object by hierarchical keys.

Assign a value or extend a deeply nested property of an object using object path notation.

An implementation of an algebraically closed interval system of the extended real number set

Set an input value without losing cursor position

ctx-core set

Fast library for manipulating plain objects using paths.

Fill a strided array according to a provided callback function.

ES7 polyfill for `set.prototype.toJSON()`

List of SPDX licenses with predictable placeholders

n-D spatial indexing data structures with a shared ES6 Map/Set-like API

Define a read-write accessor.

Drop-in replacement for React Native's ListView, FlatList, and VirtualizedList.

Get or set a value in an object/array using a dot-delimited string or array of keys.

Get and set object properties by path where you can specify the separator.

setState for React that compares with the current state and only sets the state if changed.

A javascript library for working with objects

Manipulate query strings without effort

Set the executable bits on a file

Inverse error function.

High performance set theory - functional utilities which operate on arbitrary input sets.

Simple hashsets for node

cp-data is a JavaScript library for some common data structures

A pack of functions for working with Sets.

Jest plugin to test multiple values for a single outcome.

DangerousHTML component that evaluates script tags

A small library for using and manipulating key path in JavaScript.

General purpose JavaScript object storage methods.

Jest plugins to emulate RSpec syntax and structure.

An iterable is a sequence of values {web}.

List/array/set utility functions: union, intersect, complement, unique, first, last, has, add, toggle

A wrapper to deal with a large number of elements in Set.

TypedArray-based disjoint set implementation with quick union & path compression

dangerouslySetInnerHTML that evaluates script tags

Modify structures in react/redux compatible way

Fill a strided array with a specified scalar constant.

Utils for implementing a Set data structure that dynamically adjusts its internal representation based on the number of elements it contains.

A Set implementation with expirable keys

Reactive Map and Set for Vue 2

Set the "name" property of `function` objects

Useful scala classes in typescript

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.

Sets or gets an object field value.

Computation library.

Set white background color for a pixel.

ctx-core core library

JavaScript unique array it store only unique objects

Collapse an object into a string using the syntax from expand-object. This syntax is pretty handy for setting command line arguments, for expanding/collapsing test fixtures, etc.

A path based set where the most specific path wins.

Error function.

Typesafe API for processing iterable data in TypeScript and JavaScript

dangerouslySetInnerHTML that evaluates script tags

Inverse complementary error function.

Set operations on human-friendly ranges.

Library to store and manage nested set trees using Sequelize

A collection of methods for working with Objects.

A collection of functions for operating upon Entries.

Complementary error function.

Adds missing values, keys and entries functions to native es6 collection implementations

a sorted set based heavily upon redis' skip list implementation

Functions to check if a value is something alike.

Common typescript ready prototypes available in both CommonJS and ECMAScript

Buckets is a complete, fully tested and documented data structure library written in pure JavaScript.

Computes an element-wise principal square root.

Easily persist and load config data. No dependencies.

List all directories in a given directory

Removes duplicate values from a numeric array.

JavaScript statistics, analytics, and set library

Set query or search params to a url link.

这是超级美眉mysql帮助函数模块，用于便捷操作mysql，使用await方式，可以避免嵌套函数

A package implementing a HashTable and HashSet

这是超级美眉原型函数拓展模块，更有利于对string、array、object的操作，避免出错，简化业务逻辑。

Sets value at index.

Sets value at index.

Computes an element-wise absolute value.

Set Vue reactive properties on a object, using dot notation path syntax

A tiny, quick and dirty Set implementation.

DEPRECATED - use set-value instead.