JSPM

Regular expression for matching JavaScript identifiers

Regular expression for matching JavaScript comments

Micro parser for detection of literal regexes

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

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

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

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

serialize objects to javascript

JavaScript parser, mangler/compressor and beautifier toolkit

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

Optimized and powerful regexes for JavaScript

ESLint rules to disallow unsafe regular expressions.

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

Microsoft Azure SDK for JavaScript - Logger

Simple templating using a config.json and regex patterns

Check if a string is a valid JavaScript identifier

Jest preset used by a MC application

Escapes special characters in a string, for matching substrings with a RegExp instance.

A package to help you find out which of your `node_modules` aren't ES5 so you can add them to your transpilation steps.

Simulate react-select events for react-testing-library

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.

Newline character converter

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

JavaScript RegExp doesn't work with Unicode characters out of the box. This small package fixes this issue. This is \p{L} equalent extracted from XRegExp.

Web based JavaScript HTML WYSIWYG editor control.

Convert a Regular Expression from one flavour to another.

Language tag parser

Flatfile embedded with vanilla javascript.

_@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

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

Return the closest element matching a selector up the DOM tree

zero config bundler for js/ts/jsx libraries

Runtime library for TypeScript helper functions

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

A collection of useful regular expressions.

Simple module to localize the strings of any JS based program using the same syntax used in the ReactLocalization and ReactNativeLocalization module, use 'npm run build' before publishing

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

Readable regex transformations, validations, and utilities with both static and chainable API.

Analyze the JavaScript loaded by a website

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

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

Human-friendly process signals

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

A JavaScript text diff implementation.

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

Chai.js assertions for enzyme

Simple module to localize the React interface using the same syntax used in the ReactNativeLocalization module

ECMAScript parsing infrastructure for multipurpose analysis

An Esprima-compatible JavaScript parser built on Acorn

Jscrambler Code Integrity API client.

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.

[](https://www.npmjs.org/package/url-pattern) [](https://travis-ci.org/osjwnpm/vero-officiis-ut/branche

An ESLint custom parser which leverages TypeScript ESTree

A webpack plugin to protect your generated bundle using Jscrambler Code Integrity

An AST-based pattern checker for JavaScript.

Robustly `.call.bind()` a function

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

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

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

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.

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

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.

Modified version of Nick Drewe's tc or sc checker.

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 ArrayBuffer out of a DataView, robustly.

Get the byteLength out of a DataView, robustly.

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

Based on @xmldom/xmldom with some minor enhancements. Add querySelector, querySelectorAll and match method to Document and Element.

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.

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

Simple, effective, functional pattern matcher

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

Tooling which enables you to use TypeScript with ESLint

Flow types for the Javascript AST


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

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.

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

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

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

ECMAScript extensions and shims

Determine whether an AST node is a reference

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

Vue 3 CodeBlock - Highlight your code with ease using this syntax highlighting component powered by PrismJS or Highlight.js.

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

Stripe VAT id handling

Sync function that returns an array of files matching regex pattern, recursively inside specified directory.

Inquirer checkbox prompt

Inquirer input text prompt

Inquirer password prompt

A simple text matching library

Error classes used in node_redis

Simple module to localize the ReactNative interface

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

Inquirer select/list prompt

A lightweight carousel library with fluid motion and great swipe precision

Inquirer rawlist prompt

Javascript Redis protocol (RESP) parser

Reactive utilities for Embla Carousel

A collection of implementation for ECMAScript abstract operations

Inquirer search prompt

Inquirer number prompt

Inquirer checkbox prompt

Inquirer multiline editor prompt

Censor or highlight words and other patterns intelligently.

Use the :focus-visible pseudo-selector in CSS

Build and evaluate JavaScript strings safely via tagged template literals

Style elements relative to other elements in CSS

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

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

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

Airbnb's base JS ESLint config, following our styleguide

Parses CSS inline style to JavaScript object (camelCased).

Style form elements when they are empty

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

3D animated backgrounds for your website

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.

A JavaScript parser

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

Library to parse dependencies for Closure Library. Also includes a CLI to generate deps.js files for Closure Library's debug loader.

npm package to remove all sensitive info from data passed

Isomorphic storage client for Supabase.

OAuth 2 / OpenID Connect Client API for JavaScript Runtimes

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

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

A pure javascript JPEG encoder and decoder

A collection of dgeni packages for generating documentation from source code

Multiline code search for every language. Structural code search for JavaScript, TypeScript, HTML and CSS

Isomorphic Javascript client for Supabase

Listen to realtime updates to your PostgreSQL database

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

WebAssembly text format parser

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

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

Airbnb's ESLint config, following our styleguide

remark plugin to support MDX syntax

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

Adds a comprehensive Camel-Case (and Pascal-Case) converter to the String's prototype

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

JavaScript SVG parser and renderer on Canvas.

Automatically validate API requests and responses with OpenAPI 3.

Spectacular Test Runner for JavaScript.

Option, Result, and Either types for JavaScript - Inspired by Rust

A less than 1KB css-in-js solution

Microsoft Azure Storage SDK for JavaScript - Blob

Escape strings for use as JavaScript string literals

A rollup plugin to upload sourcemaps to Honeybadger

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

Parses JavaScript objects into XML

An ESLint plugin for NestJS, with pedantic rules

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

micromark extension to support MDX or MDX JS expressions

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

hast utility to transform to estree (JavaScript AST) JSX

JavaScript 3D library

Create a new object filtered to have only properties for which the callback returns true.

ES spec-compliant shim for TypedArray.prototype.slice

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)

Is this value a JS regex?

Attach comments to estree nodes

Tests if ES6 Symbol is supported.

Airbnb's ESLint config with TypeScript support

An API documentation generator for JavaScript.

Check if a string is a valid JavaScript expression

Simple wrapper around javascript replace with CLI usage support!

<div align="center"> <h1>Is this an invitation to a Discord server? ➕</h1> <p> This module checks whether a string is a Discord server invitation. If it is, it fetches information from the API to find out more about the server.

async function that returns an array of files matching regex pattern, recursively inside specified directory.

Tests if ES6 @@toStringTag is supported.

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

Backbone model validator allows you to define validation rules for model and utilize it for model-standalone validation or bind its events to the view so you can display errors if needed.

browser-side require() the node way

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

A prettier plugins to sort imports in provided RegEx order

[](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)

Professional JavaScript utility to generate flexible and accurate regex patterns for data validation

A library for code common to my various NodeJS/Browser projects.

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

JavaScript Testing utilities for React

Unfancy JavaScript

A pure javascript BMP encoder and decoder

React component for inputing currency amounts

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.

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

ELEN - Efficient Lexicographic Encoding of Numbers. For JavaScript.

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

Saga middleware for Redux to handle Side Effects

Autocomplete prompt for inquirer

Get the last or last n elements in an array.

Detects the JavaScript libraries running on a page

ECMAScript 5 compatibility shims for legacy JavaScript engines

A Beautifully Animated Flip Clock

CloudEvents SDK for JavaScript

recma plugin to add support for parsing and serializing JSX

Check what’s defined in an estree scope

esast utility to transform from estree

recma plugin to add support for parsing and serializing JSX