JSPM

Regular expression for matching JavaScript identifiers

Regular expression for matching JavaScript comments

A prettier plugin to sort TS/JS import declarations by provided Regular Expression order

Convert a Regular Expression from one flavour to another.

Test cases for the regexpu project. Possibly useful for other regular expression-related test suites.

regexpu’s core functionality (i.e. `rewritePattern(pattern, flag)`), capable of translating ES6 Unicode regular expressions to ES5.

micromark extension to support MDX or MDX JS expressions

_@hutechwebsite/quas-iure-iste-magni_ offers a regular expression to match all emoji symbols and sequences (including textual representations of emoji) as per the Unicode Standard. It’s based on [_emoji-test-regex-pattern_](https://github.com/mathiasbynen

Check if a string is a valid JavaScript expression

Safely evaluate JavaScript (estree) expressions, sync and async.

Airbnb's ESLint config with TypeScript support

A query library for ECMAScript AST using a CSS selector like query language.

A prettier plugins to sort imports in provided RegEx order

A prettier plugins to sort imports in provided RegEx order

Check if a string is a valid JavaScript identifier

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

A source code transpiler that enables the use of ES2015 Unicode regular expressions in ES5.

Add context awareness to your apps and frameworks by safely evaluating user-defined conditional expressions. Useful for evaluating expressions in config files, prompts, key bindings, completions, templates, and many other user cases.

regular expression --calves

Parse code files and patch it without having to use an AST

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

Serialize JavaScript to a superset of JSON that includes regular expressions and functions.

Common Expression Language (CEL) evaluator for JavaScript

remark plugin to support MDX syntax

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

Compare two json object for matching deep keys, also supports regular-expression.

useful regular expression pattern

A JavaScript parser

JavaScript expression parsing and evaluation.

json serializable rule engine / boolean expression evaluator

CEL definitions and test data

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

A CEL evaluator for ECMAScript

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this is a simple javascript expression parser

Protocol Buffer Validation for ECMAScript

Tokenize JavaScript

Common Expression Language (CEL) evaluator for JavaScript

Microsoft Cognitive Services Speech SDK for JavaScript

JavaScript library for formatting input text content when you are typing

0-Deps, simple, fast, for browser and node js object schema validator

Check if a string is a valid JavaScript expression

Utility function for identifying regular JavaScript objects

Runtime library for TypeScript helper functions

TypeScript implementation of symfony/expression-language

Validate zip codes fast and accurate! A Library of JavaScript Regular Expressions for validating if a specific zip code actually exists in a specific Country.

Pattern matching in JavaScript without additional syntax.

Ένα JS package για node ή browser (με TypeScript types) με μεθόδους που διευκολύνουν την αναζήτηση ελληνικού κειμένου

A prettier plugins to sort imports in provided RegEx order

Optimized and powerful regexes for JavaScript

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

A JavaScript parser

TypeScript is a language for application scale JavaScript development

Get and robustly cache all JS language-level intrinsics at first require time

A parser that converts TypeScript source code into an ESTree compatible form

`Object.defineProperty`, but not IE 8's broken one.

`Object.getOwnPropertyDescriptor`, but accounts for IE's broken implementation.

ES Object-related atoms: Object, ToObject, RequireObjectCoercible

Human-friendly process signals

A robust, ES3 compatible, "has own property" predicate.

controll regular expression to handle text...

Determine if the JS environment has `Symbol.toStringTag` support. Supports spec, or shams.

A JavaScript text diff implementation.

Performant calls to pure functions in Angular Templates / Bindings

A simple cache for a few of the JS Error constructors.

An Esprima-compatible JavaScript parser built on Acorn

ECMAScript parsing infrastructure for multipurpose analysis

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.

A lightweight router for everyone

An AST-based pattern checker for JavaScript.

An ESLint custom parser which leverages TypeScript ESTree

Robustly `.call.bind()` a function

The lucky javascript library to identify and convert strings from any letter case to another

Robust call-bound JavaScript intrinsics, using `call-bind` and `get-intrinsic`.

[](https://badge.fury.io/js/@originbyte%2Fjs-sdk) [](https://opensource.org/licenses/Apache-2.0)

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

Get the preferred Node.js version of a project or user

ESLint JavaScript language implementation

Define a data property on an object. Will fall back to assignment in an engine without descriptors.

Set a function's length property

ESLint rules to disallow unsafe regular expressions.

ES2019 spec-compliant String.prototype.trimStart shim.

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

Gets the description of a Symbol. Handles `Symbol()` vs `Symbol('')` properly when possible.

Is this value a JS SharedArrayBuffer?

Is this value a JS ArrayBuffer?

Which kind of boxed JS primitive is this?

ES2019 spec-compliant String.prototype.trimEnd shim.

JavaScript parser, mangler/compressor and beautifier toolkit for ES6+

Unbox a boxed JS primitive value.

ES spec-compliant shim for ArrayBuffer.prototype.slice

Get the byteOffset out of a DataView, robustly.

The fastest directory crawler & globbing alternative to glob, fast-glob, & tiny-glob. Crawls 1m files in < 1s

A collection of common interactive command line user interfaces.

HashMap Class for JavaScript

DateJS is the most full-featured, internationalized, open-source JavaScript Date Library.

Get the ArrayBuffer out of a DataView, robustly.

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

Get the byteLength out of a DataView, robustly.

regexx, a versatile and efficient regex library designed to streamline pattern matching and text manipulation tasks in your programming projects. This comprehensive library provides developers with a rich set of pre-built regular expressions for common us

A tiny, safe, fast JavaScript library for decimal arithmetic expressions.

A prettier plugins to sort imports in provided RegEx order

Is this an arguments object? It's a harder question than you think.

AST utils for webassemblyjs

WebAssembly binary format parser

WebAssembly text format printer

JavaScript parser, mangler/compressor and beautifier toolkit

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.

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

Stylish, intuitive and user-friendly prompt system. Fast and lightweight enough for small projects, powerful and extensible enough for the most advanced use cases.

Inquirer core TS types

`Iterator.prototype`, or a shared object to use.

An ESnext spec-compliant iterator helpers shim/polyfill/replacement that works as far down as ES3.

JavaScript library for DOM operations

Flow types for the Javascript AST

Tooling which enables you to use TypeScript with ESLint

Simple, effective, functional pattern matcher

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

Polyfill for Metadata Reflection API

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

Core Inquirer prompt API

Microsoft Azure SDK for JavaScript - Aborter

Vendored version of figures, for CJS compatibility

Inquirer confirm prompt

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

Generate JavaScript-compatible regular expressions with chinese/jp/zh/cn

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

Design-tokens for Nav designsystem

JS type check (TypeScript supported) functions like `isPlainObject() isArray()` etc. A simple & small integration.

ECMAScript extensions and shims

Generates CRC hashes for strings - for use by node redis clients to determine key slots.

Determine whether an AST node is a reference

Tools for declarative fetching

DOM 3 XPath implementation for JavaScript objects.

Inquirer prompts, combined in a single package

JavaScript utilities with respect to emerging standard

A lightweight carousel library with fluid motion and great swipe precision

Inquirer checkbox prompt

Inquirer input text prompt

Inquirer password prompt

Error classes used in node_redis

Utility for parsing and converting ROS Xacro files in Javascript.

A lightweight carousel library with fluid motion and great swipe precision

Inquirer select/list prompt

An **EXPERIMENTAL** Webpack plugin to enable "Fast Refresh" (also previously known as _Hot Reloading_) for React components.

Angular wrapper for rendering [Seats.io](https://www.seats.io) seating charts. Brought to you by the Seats.io team.

A collection of implementation for ECMAScript abstract operations

Javascript Redis protocol (RESP) parser

Inquirer rawlist prompt

Reactive utilities for Embla Carousel

Inquirer search prompt

Inquirer multiline editor prompt

Inquirer number prompt

Inquirer checkbox prompt

Use the :focus-visible pseudo-selector in CSS

Style elements relative to other elements in CSS

Microsoft Azure SDK for JavaScript - Logger

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

Check if something can be an ecmascript (javascript) identifier name

Airbnb's base JS ESLint config, following our styleguide

Parses CSS inline style to JavaScript object (camelCased).

The Label component represents the primitive label for a form field component.

Style form elements when they are empty

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

ReactJs collapsible accordion component. Light, simple and functional. Allows expand and collapse HTML content. Ready for use in your ReactJs application.

Contains components for editing code in different languages. The currently supported languages are html, css, json, TypeScript, JavaScript, and Arcade.

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

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.

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

Edit a string with the users preferred text editor using $VISUAL or $ENVIRONMENT

Isomorphic storage client for Supabase.

OAuth 2 / OpenID Connect Client API for JavaScript Runtimes

A pure javascript JPEG encoder and decoder

Polyfills the ResizeObserver API and supports box size options from the latest spec

Isomorphic Javascript client for Supabase

Listen to realtime updates to your PostgreSQL database

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

A way to truncate a json object.

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

WebAssembly text format parser

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

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

Run javascript code by embedding them in your HTML using the element as context.

Airbnb's ESLint config, following our styleguide

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

Find and fix unused dependencies, exports and files in your TypeScript and JavaScript projects

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

JavaScript SVG parser and renderer on Canvas.

Spectacular Test Runner for JavaScript.

A less than 1KB css-in-js solution

Escape strings for use as JavaScript string literals

Microsoft Azure Storage SDK for JavaScript - Blob

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

Parses JavaScript objects into XML

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

esast (and estree) utility to visit nodes

micromark extension to support MDX or MDX.js JSX

micromark extension to support MDX JS import/exports

unist utility to get a position from an estree node

CLI for the swc project

Stringify is to `eval` as `JSON.stringify` is to `JSON.parse`

Secure expression evaluator with AST-based execution - A fast, safe, and powerful JavaScript-like expression language

A lightweight and versatile validation library for JavaScript and TypeScript. It provides a flexible rule-based validation system with built-in and customizable validation strategies.

hast utility to transform to estree (JavaScript AST) JSX

JavaScript 3D library

ES spec-compliant shim for TypedArray.prototype.slice

Links are used either to link to other UI routes, or to link to external pages. This component is a very thin wrapper over either a React Router Link, or a normal HTML <a> tag.

Parse front-matter from a string or file. Fast, reliable and easy to use. Parses YAML front matter by default, but also has support for YAML, JSON, TOML or Coffee Front-Matter, with options to set custom delimiters. Used by metalsmith, assemble, verb and

Transform JSX in estrees to function calls (for react, preact, and most hyperscript interfaces)

Attach comments to estree nodes

Tests if ES6 Symbol is supported.

An API documentation generator for JavaScript.

A prettier plugin to sort import declarations by provided Regular Expression order. A fork of @trivago/prettier-plugin-sort-imports

Tests if ES6 @@toStringTag is supported.

Newline character converter

Create and modify PDF files with JavaScript

Adaptation of react-addons-shallow-compare, for independent usage

Colors of Google's Material Design made available to coders

browser-side require() the node way

`AsyncIterator.prototype`, or a shared object to use.

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

Publish multiple editions for your JavaScript packages consistently and easily (e.g. source edition, esnext edition, es2015 edition)

Allows evaluating untrusted javascript expressions in a nodejs server and in browsers

JavaScript MD5 implementation. Compatible with server-side environments like Node.js, module loaders like RequireJS, Browserify or webpack and all web browsers.

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

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

walk an AST, quickly

A pure javascript BMP encoder and decoder

Unfancy JavaScript

JavaScript Testing utilities for React

A set of React components that wrap ArcGIS coding components

A powerful and lightweight inversion of control container for JavaScript and Node.js apps powered by TypeScript.

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

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

🌈 Light, fast, and easy to use, dependencies free javascript syntax highlighter, with automatic language detection

ECMAScript parsing infrastructure for multipurpose analysis

Official React component for Font Awesome

get a list of identifiers that are initialised by a JavaScript AST node.

A Jimp-compatible library for working with GIFs

Highlight keywords using JavaScript. Intended for every use case. Can e.g. be used to mark text in search results.

Parser and evaluator for Google's Common Expression Language (CEL) in JavaScript using ANTLR4

Saga middleware for Redux to handle Side Effects

Get the last or last n elements in an array.

Autocomplete prompt for inquirer

Detects the JavaScript libraries running on a page

ECMAScript 5 compatibility shims for legacy JavaScript engines

Provides prototype extensions for native JS modules

Evaluates mathematical expressions