Record TUI — VHS Terminal Recording

Overview

Charmbracelet VHS renders a .tape script to GIF / MP4 / WebM / ASCII. Write the demo as code rather than capturing a screen, because a .tape re-renders unattended when the app changes and runs the same way in CI. For a throwaway recording nobody will re-run, asciinema is lighter.

Setup

# macOS
brew install charmbracelet/tap/vhs ffmpeg ttyd
# Debian/Ubuntu
sudo apt install ffmpeg && sudo snap install ttyd --classic && go install github.com/charmbracelet/vhs@latest

vhs --version && ffmpeg -version && ttyd --version   # all three are required

Tape file structure