Discover @ljharb Open Source projects

ljharb

Stars
17,040
Global Rank 1,024 (Top 0.04 %)
Followers 7,111
Following 391
Registered almost 16 years ago
Most used languages

JavaScript
98.9 %

CSS
1.1 %
Location 🇺🇸 United States
Country Total Rank 630
Country Ranking

JavaScript
117

CSS
5,259

A querystring parser with nesting support

JavaScript

8,010

tape

tap-producing test harness for node and browsers

JavaScript

5,740

prop-types-tools

Custom React PropType validators

JavaScript

671

faucet

human-readable TAP summarizer

JavaScript

547

testling

unit tests in all the browsers

JavaScript

353

prop-types-exact

For use with React PropTypes. Will error on any prop not explicitly specified.

JavaScript

236

util.promisify

Polyfill/shim for util.promisify in node versions < v8

JavaScript

120

object.assign

ES6 spec-compliant Object.assign shim. From https://github.com/es-shims/es6-shim

JavaScript

105

es-abstract

ECMAScript spec abstract operations.

JavaScript

json-stable-stringify

JavaScript

ls-engines

Determine if your dependency graph's stated "engines" criteria is met.

JavaScript

js-traverse

JavaScript

json-file-plus

Read from and write to a JSON file, minimizing diffs and preserving formatting.

JavaScript

object-keys

Object.keys shim

JavaScript

istanbul-merge

Merge multiple istanbul coverage reports into one.

JavaScript

npmignore

Command line tool for creating or updating a .npmignore file based on .gitignore.

JavaScript

aud

Use `npx aud` instead of `npm audit`, whether you have a lockfile or not!

JavaScript

shell-quote

JavaScript

get-intrinsic

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

JavaScript

listify

Turn an array into a list of comma-separated values, appropriate for use in an English sentence.

JavaScript

simd

ES7 (proposed) SIMD numeric type shim/polyfill

JavaScript

repo-report

CLI to list all repos a user has access to, and report on their configuration in aggregate.

JavaScript

publishers

Provide a package name, get a list of every version, and who published it.

JavaScript

es-to-primitive

ECMAScript "ToPrimitive" algorithm. Provides ES5 and ES6/ES2015 versions.

JavaScript

safe-publish-latest

Ensure that when you `npm publish`, the "latest" tag is only set for the truly latest version.

JavaScript

define-properties

Define multiple non-enumerable properties at once. Uses `Object.defineProperty` when available; falls back to standard assignment in older engines.

JavaScript

global-cache

Sometimes you have to do horrible things, like use the global object to share a singleton. Abstract that away, with this!

JavaScript

promise-deferred

A lightweight Deferred implementation, on top of Promises/A+

JavaScript

eslint-config

My shareable `eslint` config.

JavaScript

ljharb

camelize

JavaScript

require-allow-edits

A GitHub action to require "allow edits" to be checked on a PR.

JavaScript

can-merge

JavaScript

get-dep-tree

Use npm's Arborist to get a dependency tree for a package.

JavaScript

side-channel

Store information about any JS value in a side channel. Uses WeakMap if available.

JavaScript

es-get-iterator

Get an iterator for any JS language value. Works robustly across all environments, all versions.

JavaScript

list-exports

Given a package name and a version number, or a path to a package.json, what specifiers does it expose?

JavaScript

get-nans

Get an array of all distinct NaN values supported by the engine. There can be only one!

JavaScript

tsconfig

My personal tsconfig(s), so my open source projects can share them.

actions

GitHub actions I use for CI.

JavaScript

uglify-register

The require hook will bind itself to node's require and automatically uglify files on the fly.

JavaScript

promiseback

Accept an optional node-style callback, and also return a spec-compliant Promise!

JavaScript

html-element-map

Look up HTML tag names via HTML Element constructors, and vice versa.

JavaScript

es-errors

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

JavaScript

call-bind

Robustly `.call.bind()` a function.

JavaScript

scorecard-cli

A CLI for OpenSSF Scorecard data.

JavaScript

ls-publishers

List your dependency graph, grouped by publishers.

JavaScript

proposal-is-error

ECMAScript Proposal, specs, and reference implementation for Error.isError

CSS

safe-regex-test

Give a regex, get a robust predicate function that tests it against a string.

JavaScript

unused-files

List unused files in your package.

JavaScript

mock-property

Given an object and a property, replaces a property descriptor (or deletes it), and returns a thunk to restore it.

JavaScript

private-fields

What private fields does this object have?

JavaScript

set-function-length

Set a function's length property

JavaScript

unbox-primitive

Unbox a boxed JS primitive value.

JavaScript

document.contains

Polyfill/shim for `document.contains`

JavaScript

npm-lockfile

Safely generate an npm lockfile and output it to the filename of your choice.

JavaScript

make-generator-function

Returns an arbitrary generator function, or undefined if generator syntax is unsupported.

JavaScript

internal-slot

ES spec-like internal slots.

JavaScript

safe-array-concat

`Array.prototype.concat`, but made safe by ignoring Symbol.isConcatSpreadable

JavaScript

npm-deprecations

Given an npm module name, get a map of npm version numbers to deprecation messages.

JavaScript

find-value-locations

Given an object, and a value, return a tuple of the property name, and the object on which it is an own property.

JavaScript

set-function-name

Set a function's name property

JavaScript

stop-iteration-iterator

Firefox 17-26 iterators throw a StopIteration object to indicate "done". This normalizes it.

JavaScript

intl-fallback-symbol

ECMA-402 Intl spec's internal `FallbackSymbol`

JavaScript

make-async-function

Function that returns an arbitrary `async function`, or undefined if `async function` syntax is unsupported.

JavaScript

define-data-property

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

JavaScript

jsonify

JavaScript

.github

tc39-ci

Begin app

JavaScript

es-define-property

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

JavaScript

iterate-value

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

JavaScript

daytime

npm module to combine two Date objects, "day" and "time"

JavaScript

iterate-iterator

Iterate any JS iterator. Works robustly in all environments, all versions.

JavaScript

concat-map

JavaScript

es-value-fixtures

Fixtures of ES values, for testing purposes.

JavaScript

big-integer-max

Given two valid integers in string form, return the larger of the two.

JavaScript

node-comments

Transform comments in JS files between multiple styles - single-line, multi-line, both, and more to come!

JavaScript

make-arrow-function

Function that returns an arbitrary arrow function, or undefined if arrow function syntax is unsupported.

JavaScript

define-accessor-property

Define an accessor property on an object. Will either throw, or fall back to assignment in loose mode, in an engine without descriptors.

JavaScript

es-object-atoms

JavaScript

gfm-footnotes

Prune unused footnote references in GitHub-flavored Markdown

JavaScript

renovate

Shared renovate config.

big-integer-min

Given two valid integers in string form, return the smaller of the two.

JavaScript

lockfile-info

Info about an npm project - which lockfile version, which lockfile(s) are present, etc.

JavaScript

gopd

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

JavaScript

resumer

a through stream that starts paused and resumes on the next tick

JavaScript

AsyncIterator.prototype

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

JavaScript

TcoExpand

Expands t.co short links on twitter.com when possible. This only works because Twitter provides the full URL as a data attribute on most shortened links - it's quick and dirty, it may break at any time, and it depends on jQuery to work.

JavaScript

es-shim-unscopables

Helper package to shim a method into `Array.prototype[Symbol.unscopables]`

JavaScript

primordials

node core's "primordials" module, but robust for use in a published package

safe-bigint

Safely create a BigInt from a numerical string, even one larger than MAX_SAFE_INTEGER.

JavaScript

coauthors

A cli to generate a complete git co-authors list, including existing co-authors, for use in a commit message.

JavaScript

open-sauced-goals

es-array-method-boxes-properly

Utility package to determine if an `Array.prototype` method properly boxes the callback's receiver and third argument.

JavaScript

Iterator.prototype

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

JavaScript

array-map

JavaScript

keytween

Encode and decode a string using the "look between X and Y on your keyboard" meme format

JavaScript

repo-report-cache

JavaScript

make-async-generator-function

Function that returns an arbitrary async generator function, or undefined if async generator syntax is unsupported.

JavaScript

100

validate-exports-object

Validate an object in the "exports" field.

JavaScript

ljharb

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