Repository Index

A tiny (118 bytes), secure, URL-friendly, unique string ID generator for JavaScript

The Axios API, as an 800 byte Fetch wrapper.

🎬 Evidence-led Seedance 2.5 / 2.0 prompt library: 840+ cases traced to original posts, 490+ cross-model retest runs, 27 copy-ready templates, 79 installable AI-video Skills. Synced daily from goodcase.ai. EN / 中文 / 日本語.

• ai-video
• awesome
• bytedance
• prompt-engineering

🌩 A tiny (185 bytes) event-based Redux-like state manager for React, Preact, Angular, Vue, and Svelte

Animated typing in ~400 bytes 🐡 of JavaScript

• javascript
• module
• typing
• animation

Convert bytes to a human readable string: 1337 → 1.34 kB

Independent, unofficial CLI to edit CapCut and JianYing (剪映) projects — subtitles, timing, speed, volume, templates, cut long-form to shorts. No API needed, reads draft_content.json and draft_info.json (剪映草稿) directly. Not affiliated with ByteDance.

• capcut
• capcut-automation
• capcut-template
• claude-code-plugin

A general purpose internationalization library in 292 bytes

A navigation aid (aka, router) for the browser in 850 bytes~!

• browser
• router
• client-side
• navigation

TranslatedAn Agent Skill for scraping the complete comment section of a single Douyin video (top-level comments + nested replies): it copies the page's real requests inside a logged-in Chrome and leaves the signing to the page's SDK

• agent-skill
• claude-code
• comments-scraper
• douyin

🤠🧨 The mighty 400-byte schema validator for TS / JS

• javascript
• runtime-validation
• schema
• typescript

TranslatedMaimai Calendar (mobile widget version) | An iOS home screen calendar based on McDonald's MCP, with three sizes and birthday and holiday skins.

Strip UTF-8 byte order mark (BOM) from a string

Creates a readable stream producing cryptographically strong pseudo-random data using `crypto.randomBytes()`

• random-bytes
• random
• crypto
• pseudo-random-generator

A fullscreen dialog for Material-UI.

A password field using Material-UI.

• material-ui
• material-design
• react
• input

Simple and lightweight (~590 bytes gzip) progress bar component for Preact

Synchronize files or folders locally, with a watch option

:shaved_ice: Shave some bytes by using Preact.

• preact
• codemod
• jscodeshift
• transpiler

heartline.github.com