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#library (5)

Cheat sheets (5)

dayjs — Tiny Immutable Date Library

Package-level reference for the Day.js date library on npm — install, plugin model, version policy, and alternatives.
npm package date time library

beets Music Organizer

Importing, tagging, querying, and organizing a music library with beets — config, plugins, queries, and common workflows on Windows.
beets windows music audio tagging library cli python web-researched

Chalk — Terminal string styling for Node

Apply ANSI colours, backgrounds, and text styles to terminal output in Node.js using Chalk's chainable API, plus comparisons with picocolors and patterns for building polished CLI UX.
javascript node cli terminal library

Day.js — Tiny, immutable date library

Parse, format, manipulate, compare, and convert timezones for dates in JavaScript using Day.js — a 2 kB Moment-compatible alternative with a plugin-based architecture.
javascript dates time library tooling

type-fest — Community utility types for TypeScript

Sindre Sorhus's collection of essential TypeScript utility types — PartialDeep, ReadonlyDeep, SetOptional, RequireAtLeastOne, Merge, Tagged, JsonValue, Opaque, and dozens more — so you don't hand-roll them.
typescript library utility-types tooling