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

Remove the trailing spaces from a string.

Convert tabs to spaces in a string

Like String.trim() but you can choose granularly what to trim

remark-lint rule to warn when too many spaces are used to create a hard break

Map over an array or object of values in parallel or series, passing each through the async iterator, with optional lifecycle hooks.

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

Allows you to build compile-time libraries

A general-purpose color library for JavaScript

An output formatter for markdownlint-cli2 that produces the same output as markdownlint-cli

A drop-in replacement / proxy to Node.js path, replacing \\ with / for all results & adding file extension functions.

Modern TypeScript logger — simple logs, wide events, structured errors. Built for scripts, libraries, jobs, edge, and HTTP. One drain pipeline everywhere.

Make array iteration easy when using async/await and Promises

Color spaces! RGB, HSL, Cubehelix, Lab and HCL (Lch).

Run scripts that set and use environment variables across platforms

camelCase, kebab-case, PascalCase... a simple integration with nano package size. (SMALL footprint!)

A library for parsing VS Code style problem matchers

Temporary file and directory creator

Convert push-based streams to pull-based async iterables

Info about your dev environment for debugging purposes