JSPM

A querystring parser that supports nesting and arrays, with a depth limit

Parse JSON with more helpful errors

Strip comments from JSON. Lets you use comments in your JSON files!

Get the command from a shebang

Match balanced character pairs, like "{" and "}"

A very strict and proper argument parser.

Node.js path.parse() ponyfill

Utility to parse a string bytes to bytes and vice-versa

HTML parser and serializer.

Read a package.json file

Parse String to Number based on configuration

Parse yes/no like values

quote and parse shell commands

Parse, validate, manipulate, and display dates

Read and parse a JSON file

Querystringify - Small, simple but powerful query string parser.

JavaScript parser, mangler/compressor and beautifier toolkit

Small footprint URL parser that works seamlessly across Node.js and browser environments

small commonmark compliant markdown parser with positional info and concrete tokens

mdast utility to parse markdown

Resolve npm package details, like name and base path, given an absolute path to a file inside a package

parse, inspect, transform, and serialize content through syntax trees

Match balanced character pairs, like "{" and "}"

Parse and stringify space separated tokens

Parse HTML character references

Parse and stringify URL query strings

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

Parse a passwd file into a list of users.

Functions for dealing with a PostgresSQL connection string

remark plugin to add support for parsing markdown input

Parse and stringify comma-separated tokens

Extract names from functions

JSON.parse with bigints support

Parses set-cookie headers into objects

Parse milliseconds into an object

hast utility to create an element from a simple CSS selector

Date formatting and parsing

JSON parse with prototype poisoning protection

Utilities for the snapdragon parser/compiler.

Class for creating AST nodes.

CSV parsing implementing the Node.js `stream.Transform` API

Low footprint ECMAScript source code parser

Reverse minimist. Convert an object of options into an array of command-line arguments.

Lax URL parsing with support for protocol-less URLs and IPs

Regular expression for getting the root of a posix or windows filepath.

Pollyfill for node.js `path.parse`, parses a filepath into an object.

Parses well-formed HTML (meaning all tags closed) into an AST and back. quickly.

Get the protocols of an input url.

Fast and powerful CSV parser for the browser that supports web workers and streaming large files. Converts CSV to JSON and JSON to CSV.

A high level git url parser for common git providers.

Time zone support for date-fns v3 with the Intl API

Parse json safely and at max speed

An advanced url parser supporting git urls too.

JSON parse with prototype poisoning protection

A library for teleporting rich data to another place.

Simple, fast, powerful parser toolkit for JavaScript.

A mature, feature-complete library to parse command-line options.

Read the closest package.json file

Decorators for ASN.1 schemas building

hast utility to reparse a tree

Parse paths (local paths, urls: ssh/git/etc)

Big-friendly JSON. Asynchronous streaming functions for large JSON data sets.

Swagger 2.0 and OpenAPI 3.0 parser and validator for Node and browsers

Encode/decode DNS-SD TXT record RDATA fields

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

A convertor between XML text and Javascript object / JSON text.

markdown processor powered by plugins part of the unified collective

Extremely fast implementation of node core url library

Parses JavaScript objects into XML

No nonsense protocol buffers schema parser written in Javascript

This package uses ES2015 decorators to simplify JSON schema creation and use

fast-csv parsing package

hast utility to parse from HTML

Transform stream that lets you peek the first line before deciding how to parse it

Like JSONStream, but using Minipass streams

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

Parse CLI arguments.

rehype plugin to parse HTML

Parses and determines if a given CSS Media Query matches a set of values.

Parse a github URL into an object.

Color string parser

Parse a PNG

A very fast streaming multipart parser for node.js

A mature CSV toolset with simple api, full of options and tested against large datasets.

svg path parser

parses ASCII BMFont files to a JavaScript object

Parses call stacks. Reads sources. Clean & filtered output. Sourcemaps. Node & browsers.

parses XML BMFont files into a JavaScript object

Parse and generate MQTT packets like a breeze

Encode/decode circular structures for converting to and from JSON.

recma plugin to parse JavaScript

Fast and easy parser for declarations of import and export in ECMAScript/TypeScript

decycle your json

A tiny (399B) utility that converts route patterns into RegExp. Limited alternative to `path-to-regexp` 🙇‍

estree (and esast) utility to parse from JavaScript

Generate the origin from an URL or check if two URL/Origins are the same

Extremely fast implementation of node core url library

Swagger 2.0 and OpenAPI 3.0 parser and validator for Node and browsers

A drop-in replacement for JSON.parse that uses `jju` to give helpful errors

DOMParser.parseFromString for XML with IE8 fallback

Convert JSON to CSV

lightweight rgb/rgba to hex parser

walk an AST, quickly

Fast and easy parser of statements in source code in any language ✂️

loads a BMFont file in Node and the browser

Takes a string, such as "1,2,3-10,5-8" and turns it into an array of numbers

request body parsing for co

Pure functions for color conversion and parsing

retext plugin to parse Latin-script prose

Parse `.git/config` into a JavaScript object. sync or async.

Parses a link header and returns paging information for each contained link.

hast utility that turns HTML into a syntax tree (while being small in browsers)

Markdown parser, done right. 100% Commonmark support, extensions, syntax plugins, high speed - all in one.

Parse a .gitignore or .npmignore file into an array of patterns.

Parse and stringify the HTML `<img>` srcset attribute

natural language processor powered by plugins part of the unified collective

Create parsers using parser combinators with helpful error messages

HTML processor powered by plugins part of the unified collective

Safe Json Utils

Brings the node url api layer to whatwg-url class

Set, Get, Remove cookies on both client and server side with Next.js

JSX support for Acorn Walk

Extract the actual stack of an error

Uses babel (babylon) to extract JavaScript code comments from a JavaScript string or file.

Implementation of JSON that ignores BOM and thows friendly error

A document path library for Node

A JSON to CSV and CSV to JSON converter that natively supports sub-documents and auto-generates the CSV heading.

Fastest, most accurate & effecient user agent string parser, uses Browserscope's research for parsing

extracts and replaces values and IDs in URLs

Parse a XML string into a proprietary syntax tree

Traverse an object and convert all ISO strings into Dates.

A super light and fast JavaScript object (de)serialization that includes date, bigint, regex, etc.

Validate a date

A JavaScript library for internationalization and localization that leverages the official Unicode CLDR JSON data.

Toolbox to extract information from Vue component files for documentation generation purposes.

Parse, normalize and validate given semver shorthand (e.g. gulp@v3.8.10) to object.

Parse and stringify BCP 47 language tags

Small library to parse file listings into JavaScript objects

Parse an author, contributor, maintainer or other 'person' string into an object with name, email and url properties following npm conventions.

JSON.stringify & JSON.parse which can encode/decode buffers.

Regular expression for parsing an `author` string into an object following npm conventions.

Parse/stringify JSON and provide source-map for JSON-pointers to all nodes

Parse parentheses from a string

Parse XML without Blowing Up Your Bundle Size

Parse JSON without risk of losing numeric information

parses number and unit, '20px' into [20, 'px']

Transform stream that tokenizes CSS

Parse http headers

A small, lightweight javascript library for working with currency values.

Music metadata parser for Node.js, supporting virtual any audio and tag format.

Swagger 2.0 and OpenAPI 3.x parser and validator for Node and browsers

parse a css color string

Create a regular expression from a regular expression string.

The simplest, most intuitive date and time library

RFC4122 UUID parser

Parse math interval

Quickly parse & match URLs

Reconstruct the original URL used in an HTTP request based on the HTTP request headers

Parse CLI help output

Lightweight, streamed JSON parser in 748 bytes

(IEC) Utility to parse a string bytes to bytes and vice-versa

Convert a human readable duration string to a duration format

Tools for manipulating semver strings and objects

json2csv built-in formatters. A formatter is a function that receives the raw js value of a given type and formats it as a valid CSV cell.

Pure Javascript JSON to CSV converter.

Parses JavaScript objects into XML. This is a fork of the original js2xmlparser, with some additional features

Reads the pixels of an image as an ndarray

Superfast runtime validators with only one line

Get the arguments of a function, arrow function, generator function, async function

parse string escapes (\n, \r, etc.)

Pure JS implementation of the DOM Level 3 XPath specification

Lint an npm or yarn lockfile to analyze and detect issues

transform stream to cut css into rule-sized chunks

A monadic LL(infinity) parser combinator library

Parse any input rectangle format

JSON.parse and stringify with better errors that respects formatting

Parse or stringify CSS font property.

A Typescript wrapper around command-line-args with additional support for markdown usage guide generation

lexing json

A set of cookie helpers for Next.js

Network request and file loading utilities.

A CLI to lint a lockfile for security policies

Splits a hostname into subdomains, domain and (effective) top-level domains

Get namespaced config from the closest package.json

easier than regex string matching patterns for urls and other strings. turn strings into data or data into strings.

Makes easy to convert JSON to CSV

Parse a Mapbox API token, in Node or the browser

Maintained fork of later. Determine later (or previous) occurrences of recurring schedules

An absurdly small JSONC parser.

Stringify any number into words, and parse number strings back to a number

A parser and converter for Tab Atkins's proposed color function in CSS.

Get a list of function's argument variable names

Returns a parse tree for a CSS source.

Parse ePub electronic book files with Node.JS

Swagger 2.0 and OpenAPI 3.0 command-line tool

Regular expression matching for URL's. Maintained, safe, and browser-friendly version of url-regex. Resolves CVE-2020-7661. Works in Node v10.12.0+ and browsers.

A modernized, esm-only fork of qs without unnecessary polyfills

Parse a function into an object using espree, acorn or babylon parsers. Extensible through Smart Plugins

The fastest in-browser CSV (or delimited text) parser for React. It is full of useful features such as CSVReader, CSVDownloader, readString, jsonToCSV, readRemoteFile, ... etc.

Parse and stringify file paths with line and column like `unicorn.js:8:14`

Search xml2js JSON documents with XPath query strings.

XML Reader and Parser

Format dates with date.js and moment.js. Uses date.js to parse human readable date phrases, and moment to format the rendered output. Should work with any Handlebars, Lo-Dash, underscore, or any template engine that allows helper functions to be registere

Converts function to its source code.

Simple parser for redis url

Pseudo AST that contains data with its positions attached.

Fast CSV parser

Pruned version of the 'get-pixels' package by Mikola Lysenko (only node.js and local fs files)

NodeJS binding for fast XML parsing.

Parses well-formed HTML (meaning all tags closed) into an AST and back. quickly.

encodeURIComponent with charset

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

retext plugin to parse English prose

Promise based JSON parser. Handles invalid JSON data gracefully.

Parse length and angle CSS values and convert between units

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

Everything you need in JSON land. Parse JSON with comments, stringify objects with circular references, etc...

Gracefully parse ECMAScript static imports 💃

Parse an HTML meta refresh value.

Excel XLSX parser/generator written in JavaScript with Node.js and browser support, jQuery/d3-style method chaining, and a focus on keeping existing workbook features and styles in tact.

Lightweight date format and parse

Get the YouTube, Vimeo, Vine, VideoPress, TikTok, Microsoft Stream, Loom or Dailymotion video id from a url or embed string.

Extract repository info from a git remote URI

Read and parse an ini file

JavaScript library for working with Date and Time in different calendars and locals

A fast, safe, compliant XML parser for Node.js and browsers.

Walks a JavaScript AST and adds a "parent" property to each node

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

A stream based implementation of JSON.parse and JSON.stringify for big POJOs

Module for serializing and unserializing SocketCluster messages

Lightweight alternative to semver, supporting absolute versions only

PDF extraction and rendering across all JavaScript runtimes

Parse dotenv files for Boolean, Array, and Number variable types, built for CrocodileJS

Parse a tarball URL hosted in the npm registry

A clean class-based API for parsing, editing, and creating INI files.

Get a (flat) tree representation of the modules in your node_modules folder

Lightweight module for parsing an URI

Parse Spring Expression Language in JavaScript

Parse and Serialize JSON-RPC2 messages in node.js or browser.

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.

Node.js Transform and Async interface to convert JSON into CSV.

Node.js proxy string parser

A small and fast library for validating parsing and resolving URIs and IRIs

Parse and stringify style attributes

Dominic Tarr's JSONStream using Rodd Vaggs' through2

Parse immediate identifiers from a js expression

Fast and simple way to parse code context for use with documentation from code comments. Parses context from a single line of JavaScript, for functions, variable declarations, methods, prototype properties, prototype methods etc.

JSON.parse with bigints support

Comment-preserving JSON / JSON5 parser

Parse a Dockerfile into an array of instructions and comments.