GeaStack Examples

Example applications and tools for GeaStack.

This repo is the app gallery used by the simulator, embedded targets, GeaOS, Apple targets, the VS Code/Cursor extension, and marketing demos. Each example is a small package with a gea manifest in package.json.

What Is Here

Quick Start

Run checks for an individual example:

cd apps/watch
npm install
npm run check
npm run build

Some examples also carry tests, mostly guarding a layout or a device setup that nothing else would catch -- npm test in the app folder runs them.

The web loop is driven from the simulator, which is a separate repository: geastack/simulator. Its scripts read apps out of an app project root, which they take from GEA_APPS_ROOT -- this repo, or your own. There is no default, so set it or pass --app-dir; nothing assumes the two checkouts sit next to each other.

cd /path/to/simulator
GEA_APPS_ROOT=/path/to/examples ./targets/web/dev-web.mjs watch   # development loop
GEA_APPS_ROOT=/path/to/examples ./targets/web/build-web.sh watch  # build for web

./targets/web/dev-web.mjs --app-dir /path/to/examples/apps/watch   # or name one app

Flash a compatible board through the Gea CLI:

npx gea flash watch --board <alias>
npx gea flash watch --board <alias> --monitor

Documentation

• docs/EXAMPLE-CATALOG.md: example categories, target compatibility, and how manifests are used.
• docs/DEVELOPMENT.md: how to add, test, and maintain an example app.

App Manifest Basics

Every buildable app should have a package.json with a gea field:

{
  "gea": {
    "id": "watch",
    "name": "Watch",
    "entry": "index.tsx",
    "runtime": "gea",
    "targets": {
      "web": true,
      "esp32": true,
      "geaos": true
    }
  }
}

The manifest is consumed by the simulator, embedded board scripts, GeaOS, Apple targets, and the IDE extension. Keep it accurate.

Maintenance Notes

• Keep examples small and focused. A good example proves one behavior clearly.
• Prefer shared framework APIs over target-specific hacks inside examples.
• Add tests for examples with non-trivial logic, physics, or parsing.
• Update the catalog docs when adding, renaming, hiding, or changing target compatibility for an app.

License

MIT (see LICENSE). Use it, change it, ship closed-source products on it, no strings attached. The only GeaStack code under a different license is the embedded board support (targets and @geastack/chips, GPL-3.0-only): shipping closed-source firmware through those needs a commercial license. Contact contact@geastack.com for commercial terms, support and hosted builds.