Testing your addon locally

Symlink workflow


cd ~/magicmirror2os/addons
ln -s ~/dev/crypto-tracker ./crypto-tracker
pm2 restart m2c2

Enable Settings → Developer → Addon hot reload (if present) or restart PM2 after webpack watch rebuilds dist/widget.js.

💡 Tip: Keep a fixtures/ JSON file with sample API responses so UI work does not depend on flaky public APIs.


import { createMockAddonProps } from "@m2c2/sdk/dev";

Use in Storybook / Vitest component tests.

Use Piper debug console to replay WAV clips for consistent STT results.

CORS errors in dev
Addon fetches must go through http bridge, not raw fetch, to inherit signing + allowlist.