Utility Packages

A utility library for JavaScript and Typescript.

Returns `true` if a value exists in the given string, array or object.

Maybe call a callback if it's a function

Match substrings on the left or right of a given index, ignoring whitespace

Finds an installed tool in node_modules/.bin folders from current up to the git root

ES spec-compliant String.prototype.padStart shim.

Useful utilities for Electron apps and modules

polyfill for es8 Object.values

TypeScript common pattern shortcut definitions / utility gist library

DOM queries that always return an array

A fast 642B utility that makes reading multipart responses simple

Returns true if a filepath starts with the given string. Works with windows and posix/unix paths.

Component to iterate an array round robin.

mdast utility to use headings as ranges in mdast

Component for writing plaintext CSS in React apps -- isomorphic, scoped, FOUC-free, fully featured, CSS-in-JS

HTTP request client for JSON APIs

puppeteer + dom-testing-library

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

Minify email templates

Fork of bytes in ESM, a utility to parse a string bytes to bytes and vice-versa