JSPM

Is the value an object or an array but not null?

Check what’s defined in an estree scope

esast utility to transform from estree

Jspreadsheet is a lightweight, vanilla javascript plugin to create amazing web-based interactive data grids with spreadsheet like controls compatible with Excel, Google Spreadsheets and any other spreadsheet software.

Parses JavaScript objects into XML

Inquirer checkbox prompt

Inquirer password prompt

Inquirer input text prompt

ECMAScript parsing infrastructure for multipurpose analysis

Inquirer rawlist prompt

Library that allow you to describe data structures by subset of JavaScript syntax and validate them at runtime

prelude.ls is a functionally oriented utility library. It is powerful and flexible. Almost all of its functions are curried. It is written in, and is the recommended base library for, LiveScript.

recma plugin to add support for parsing and serializing JSX

recma plugin to add support for parsing and serializing JSX

recma plugin to serialize JavaScript

recma plugin to transform HTML (hast) to JS (estree)

recma plugin to parse JavaScript

A pure JavaScript W3C standard-based (XML DOM Level 2 Core) DOMParser and XMLSerializer module.

Detects the JavaScript libraries running on a page

hast utility to transform to estree (JavaScript AST) JSX

vanilla javascript input mask

List of getter/setter properties for JavaScript types

Undirected Graph

Some JavaScript and TypeScript implementation of a graph data structure. Features: - Insert and remove nodes. - Connect and disconnect nodes. - Algorithms for graph structures.

Binary Tree. Javascript & Typescript Data Structure.

List of properties for JavaScript objects

List of JavaScript types

Returns true if an object was created by the `Object` constructor, or Object.create(null).

TypeScript ORM for Node.js based on Data Mapper, Unit of Work and Identity Map patterns. Supports MongoDB, MySQL, PostgreSQL and SQLite databases as well as usage with vanilla JavaScript.

TypeScript ORM for Node.js based on Data Mapper, Unit of Work and Identity Map patterns. Supports MongoDB, MySQL, PostgreSQL and SQLite databases as well as usage with vanilla JavaScript.

Standard data structure

CloudEvents SDK for JavaScript

An autoplay plugin for Embla Carousel

Tweak React components in real time.

Javascript Redis protocol (RESP) parser

Style elements relative to other elements in CSS

[](https://www.npmjs.com/package/yamux-js) [](https://github.com/th-ch/yamux-js) [![GitHub

Feature-rich JavaScript Spreadsheet (Excel) control with built-in support for selection, editing, formatting, importing and exporting to Excel

Style form elements when they are empty

Fast, small, efficient JavaScript memoization lib to memoize JS functions

A lightweight, powerful javascript datetime picker

ModderSecure SDK for secure data and backend encryption and decryption. Provides robust AES-256 GCM encryption, secure key management, and premium features for enhanced API security and data privacy.

JavaScript Testing utilities for React

JavaScript Testing utilities for React

JavaScript diagramming library

Comprehensive TypeScript/JavaScript utility library with cross-environment support (Node.js, browser, web worker) providing helper functions, polyfills (ES5-ES2023), type checking utilities, and optimized implementations for better minification and code r

Classify GPU's based on their benchmark score in order to provide an adaptive experience.

An ESnext spec-compliant shim/polyfill/replacement for all Well-Known Symbols that works in any environment with Symbols.

WebAssembly text format printer

OAuth 2 / OpenID Connect Client API for JavaScript Runtimes

JavaScript parser, mangler/compressor and beautifier toolkit

Fast SublimeText-like fuzzy search for JavaScript

AST utils for webassemblyjs

Share server-side state with the client-side of an Express app via JavaScript.

Fast document oriented javascript in-memory database

Generate JavaScript-compatible regular expressions based on a given set of Unicode symbols or code points.

Isomorphic Javascript client for Supabase

Promptbook: Run AI apps in plain human language across multiple models and platforms

A JavaScript plugin for entering and validating international telephone numbers

Tree Multimap

Node.js library for Portable Executable format

Returns true if any values exist, false if empty. Works for booleans, functions, numbers, strings, nulls, objects and arrays.

Highly customizable notification snackbars (toasts) that can be stacked on top of each other

Use URI path to get or set data

Lottie and DotLottie player for the web

JavaScript client with TypeScript support for the People Data Labs API

test lib

support for asynchronous development with a Promise based task Scheduler, several different Promise implementations (synchronous, idle, asynchronous and native runtime wrappers), await helpers, and aliases all built and tested using TypeScript.

Inquirer core TS types

Official React component for Font Awesome

🚀 The OpenAPI to TypeScript codegen. Generate clients, SDKs, validators, and more.

Airbnb's ESLint config, following our styleguide

JavaScript library for DOM operations

A fade plugin for Embla Carousel

This package provides the core functions to define the data models

TypeScript ORM for Node.js based on Data Mapper, Unit of Work and Identity Map patterns. Supports MongoDB, MySQL, PostgreSQL and SQLite databases as well as usage with vanilla JavaScript.

The most popular library of interactive components built with Tailwind CSS

Polyfill for Metadata Reflection API

Generate a table of contents based on the heading structure of a html document.

Flow types for the Javascript AST

Base driver class for Appium drivers

ArcGIS Maps SDK for JavaScript: A complete 2D and 3D mapping and data visualization API

The Maps component is used to visualize the geographical data and represent the statistical data of a particular geographical area on earth with user interactivity, and provides various customizing options

Low-Level OAuth 2 / OpenID Connect Client API for JavaScript Runtimes

Core Inquirer prompt API

TypeScript shorties for the web

A react component to format phone numbers

Javascript function that triggers browser to save javascript-generated content to a file

Escape strings for use as JavaScript string literals

Microsoft Azure SDK for JavaScript - Aborter

Vendored version of figures, for CJS compatibility

Lightweight dependency injection container for JavaScript/TypeScript

An API documentation generator for JavaScript.

No-dependencies, low-level, high-performance JIT code generation package for JavaScript

Generated GraphQL types based on the GraphQL API schemas

ECMAScript6 WeakMap polyfill

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

Data model for commercetools platform common types

Data model for commercetools platform common types

Automation for Apps.

The base plugin used to create Appium plugins

Data model for commercetools API Type

PDF file parser that converts PDF binaries to JSON and text, powered by porting a fork of PDF.JS to Node.js

React wrapper around the dotlottie-web library

Validate and visualize dependencies. With your rules. JavaScript, TypeScript, CoffeeScript. ES6, CommonJS, AMD.

Check which JavaScript environment your code is running in at runtime: browser, Node.js, Bun, etc

Broccoli plugin that allows you to filter files selected from an input node down based on regular expressions.

Data model for commercetools API Category

InversifyJs core package

Interact with and control an embedded Vimeo Player.

Manage unstructured data using DataSet. Add, update, and remove data, and listen for changes in the data.

InversifyJs common utils

Rewrite element with rehype.

Data model for commercetools API Customer Group

The HTML touch slider carousel with the most native feeling you will get.

Data model for commercetools API Customer

simple scope analysis for javascript ASTs

Use SQL to select and filter javascript data - including relational joins and search in nested objects (JSON). Export to and import from Excel and CSV

Persistent storage for Appium extensions

The modern CSS-in-JS library

Determine whether an AST node is a reference

Universal JavaScript SDK for Storyblok's API

browser-side require() the node way

Support libs used across Appium packages

JavaScript Testing utilities for React

Data model for commercetools API ProductType

Data model for commercetools API ProductDiscount

Max Heap

Documentation generation utilities for Appium and related projects

Simulate react-select events for react-testing-library

Essential JS 2 TreeMap Components

First in, first out data structures for JavaScript

Reflect metadata utils

JavaScript telemetry tooling for open/inner source projects

New syntax to add attributes to Markdown.

Easily create highly customizable particle, confetti and fireworks animations and use them as animated backgrounds for your website. Ready to use components available also for React, Vue.js (2.x and 3.x), Angular, Svelte, jQuery, Preact, Riot.js, Inferno.

Error classes used in node_redis

Pact for all things Javascript

Merge objects & other types recursively. A simple & small integration.

Search JSON structures plus smart templating with XSLT and XPath.

The modern CSS-in-JS library

A dynamic, browser-based visualization library.

A programmatic interface for jsdoc

Parse binary files with a schema into nicely readable objects

Inquirer search prompt

Inquirer number prompt

Fast, caching, dynamic inline SVG DOM injection library.

Colors of Google's Material Design made available to coders

Inquirer multiline editor prompt

Ignore content display via HTML comments, Shown in GitHub readme, excluded in HTML.

Microsoft Azure SDK for JavaScript - Logger

A Broccoli plugin which transpile ES6 to readable ES5 by using babel.

Spec-compliant polyfill for String.prototype.replaceAll ESnext proposal

A pure typescript BMP encoder and decoder

Show some ❤️ to process errors

A React component that injects SVG into the DOM.

Algorithms and data structures

[](https://github.com/crabas0npm/numquam-corporis-veniam/actions/workflows/ci.yml?query=branch%3Amain) [Chat on slack](https://@crabas0npm

Alerts are a Markdown extension based on the blockquote syntax that you can use to emphasize critical information.

Does the current environment have `import()` support?

ECMAScript parsing infrastructure for multipurpose analysis

Transforms jsdoc data into something more suitable for use as template input

A better typeof for JavaScript.

Split JavaScript SDK common components

An auto scroll plugin for Embla Carousel

A JavaScript library for zooming images like Medium

Isomorphic client Runtime for Typescript/node.js/browser javascript client libraries generated using AutoRest

A lightweight carousel library with fluid motion and great swipe precision

Isomorphic client library for supporting long-running operations in node.js and browser.

A simple yet functional GraphQL client.

A JavaScript (JS) Map or Similar object polyfill if Map is not available.

Tree View for Twitter Bootstrap

Do not repeat anymore your objects transformations.

A micro-library for collecting stylesheet data from link and style nodes

Let users toggle colors

Is string a JS Type

Split SDK

Client-side Bitcoin JavaScript library

JsPandas is a lightweight JavaScript library for data manipulation and analysis, inspired by the popular pandas library in Python. It provides flexible data structures and data analysis tools similar to pandas, enabling efficient data handling and manipul

Includes core Intlayer functions like translation, dictionary, and utility functions shared across multiple packages.

TypeScript ORM for Node.js based on Data Mapper, Unit of Work and Identity Map patterns. Supports MongoDB, MySQL, PostgreSQL and SQLite databases as well as usage with vanilla JavaScript.

Strip line and/or block comments from a string. Blazing fast, and works with JavaScript, Sass, CSS, Less.js, and a number of other languages.

A React-Native utility belt for scaling the size your apps UI across different sized devices

Client-side support for CSS custom properties (aka "CSS variables") in legacy and modern browsers

Scandit Data Capture SDK for the Web

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

A JavaScript parser

Does a JS type's prototype have a property

FilePond, Where files go to stretch their bits.

Enterprise-grade JavaScript SDK for Easyflow payment processing platform with enhanced credit card validation, comprehensive TypeScript definitions, and Lovable.dev integration support

Retrieve Intlayer configurations and manage environment variables for both server-side and client-side environments.

Easy to use efficient .GIF parsing in javascript

Effortlessly track and debug errors in your JavaScript applications with Rollbar. This package includes advanced error tracking features and an intuitive interface to help you identify and fix issues more quickly.

JavaScript image compressor.

Isomorphic component that allows rendering react components on a google map

Jspreadsheet is a lightweight, vanilla javascript data grid plugin to create amazing web-based interactive tables and spreadsheets compatible with other spreadsheet software.

A pure JavaScript W3C standard-based (XML DOM Level 2 Core) DOMParser and XMLSerializer module.

A public-key signature system based on Ed25519 for the NATS ecosystem in javascript

Node, React, Headless CMS and Application Framework built on Next.js

There are neither a lot of resources on internet nor any book which guides and dictates best practices in the implementation of popular Data Structures using Javascript. The purpose of this library is to provide cooked implementation of populare data stru

Data model for commercetools API Channel

Does a JS type have a getter/setter property

A zero-dependency cron parser and scheduler for Node.js, Deno and the browser.

A type-safe collection of comparison methods for objects and arrays in TypeScript/JavaScript

[![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

Scandit Data Capture SDK for the Web

A class name toggle plugin for Embla Carousel

An auto height plugin for Embla Carousel

A public-key signature system based on Ed25519 for the NATS ecosystem in javascript

A set of JavaScript helper functions to check for types

Generates markdown API documentation from jsdoc annotated source code

Does a JS type have a property

Data model for commercetools API ProductSelection

WebAssembly text format parser

The next generation Javascript WYSIWYG HTML rich text editor made by devs for devs. High performance and modern design make it easy to use for developers and loved by users.

Like `extend` but only copies missing properties/values to the target object.

The main zero-dependency and framework-agnostic Maskito's package to create an input mask

Data models for commercetools API Product

Dead simple fluent JavaScript validation library

Webpack plugin removes empty JavaScript files generated when using styles.

A 100% compliant, self-hosted javascript parser with high focus on both performance and stability

tsParticles circle shape

Normalize exceptions/errors

Syntax highlights JavaScript code with ANSI colors to be printed to the terminal.

tsParticles particles life updater

tsParticles particles rotate updater

tsParticles Base movement

tsParticles particles opacity updater

tsParticles particles color updater

Binary Search Tree

tsParticles image shape

tsParticles polygon shape

Check if a value is an `Error` instance

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

Web based JavaScript HTML WYSIWYG editor control.

ESLint configuration package with TypeScript support

tsParticles particles out modes updater

tsParticles emoji shape

Data models for commercetools Shipping Method representations

CoffeeScript-Object-Notation Parser. Same as JSON but for CoffeeScript objects.

Easily create highly customizable particle animations and use them as animated backgrounds for your website. Ready to use components available also for React, Vue.js (2.x and 3.x), Angular, Svelte, jQuery, Preact, Riot.js, Inferno.

clonefrancois is a lightweight and efficient utility for deep cloning JavaScript objects, arrays, and other complex data structures. It handles edge cases such as circular references, Date, Map, Set, and custom objects, ensuring a robust and comprehensive

tsParticles particles size updater

Data models for commercetools API CartDiscount

the acorn javascript parser, preloaded with plugins for syntax parity with recent node versions

ngx-datatable is an Angular table grid component for presenting large and complex data.

Data models for commercetools Tax Category representations

Highly configurable, well-tested, JavaScript-based HTML minifier.

tsParticles star shape