Development and Contributing

NOTE: This is a work in progress.

You can keep up with development on http://waffle.io/evancohen/smart-mirror

Contributing

Everybody is invited and welcome to contribute to the smart mirror. There is a lot to do... If you are not a developer perhaps you would like to:

  • Help with the documentation on docs.smart-mirror.io,
  • Localize the smart mirror in a new language language (or improve an existing one)
  • Helping others on Discord.

If you are a developer and have a feature/capability you'd like to see, why not spend a couple of hours and help build it?

The process is straight-forward.

  • Fork the smart mirror git repository.
  • create a branch from the dev branch following the following naming convention initials/feature-name for example if Evan Cohen was creating a feature he would name the branch ec/feature-name.
  • Write the code for your feature/capability.
  • Create a Pull Request against the dev branch of the smart mirror.

Development

See the dev branch for features that are actively in development. If you would like to contribute please follow the contribution guidelines. To launch the mirror with a debug window attached use the following command:

npm start dev

Project Structure

The smart mirror is an Electron app, which means it leverages Chromium, Node, and the V8 JavaScript engine to host and render the mirror.

app/

The app directory contains the core of the smart-mirror:

  • js/ core js of the smart mirror (bootstrapping angular, etc)
  • css/ all of the smart mirror styles
  • locales/ all of the localized speech commands (more on this later)
  • fonts/ nobody knows what this folder does, but it's somehow necessary ;)

plugins/

The plugins directory contains all of the plugins included in the smart mirror. A plugin consists of an optional combination of the following:

  • config.schema.json defines the configuration schema for your plugin. You can look at example schema and test your own at https://smart-mirror.io/playground/
  • index.html the html partial for your plugin. This must be added to the main index.html to determine where it will be rendered.
  • controller.js All of the angular controller logic (data binding) for your plugin. This must be manually included in a script tag in the main index.html. It is acceptable to write Node here.
  • service.js should your plugin need an angular service you can manually included in a script tag in the main index.html.

remote/

The remote directory contains the code that powers the client configuration page(s). The "server" side code can be found in remote.js.

app/locales/

Within this directory you will find all the JSON localization files for the mirror. The mirror uses i18n to $translate strings rendered in the mirror (examples of this in index.html and config.js).

When making changes to these files make sure that you add string keys to all localization files, not just to the one that you speak.

scripts/

Contains various help scripts. There aren't a ton today and they will expand over time.

Tips and tricks

The dev console is your friend! You can set breakpoints, log messages, and inspect the DOM - just like you would in a regular webdev console.

Speech Simulation

Since speech query limitations have becoming a limeting factor of development I've created a shim for Annyang to "simulate" speech to test the mirror. In the dev console try some of these examples:

// Play YouTube video
annyang.trigger("show me how to tie a bowtie");

// Play a song on SoundCloud
annyang.trigger("SoundCloud play Kero One so seductive");

// Display a map
annyang.trigger("show me a map of Seattle Washington");

Dev Environment

I typically wouldn't recommend developing directly on the Pi (unless you are trying to debug a Pi specific issue, in which case, I'm sorry. It's not the fastest thing in the world.

The mirror is compatible with Windows and OSX, and developing there will be much nicer. You can plug your mirror into your computer and use it as a second (or third, you lucky duck) monitor. There's some logic in main.js that will automatically put the electron app on to your secondary monitor.

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