Export Twitch VODs to .mp4 using your Twitch client ID, Node.js and ffmpeg

• Node.js, v12.x or higher
• yarn package manager (npm i -g yarn)
• ffmpeg binary, v4.1.x or higher, installed on local machine
• A Twitch client ID. Set one up on the Twitch developers site 📗
• Only tested on Ubuntu 19.x, should work (at least) on MacOS as well, if not Windows

1. Run yarn to install
2. Rename .env.local.example to .env.local, provide your Twitch client ID
3. Run node index.js [VOD_ID] to download a VOD to the tmp/ dir

node index.js 457488243 # => download VOD parts, and then assemble into tmp/457488243.mp4