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Overview

Mobile Wiki is an application built on top of Ember and Ember FastBoot. This combination allows us serve server side rendered application to end client (The same code is executed on frontend and backend).

Access Mobile Wiki

Devbox environment

Open http://muppet.yourname.wikia-dev.pl/wiki/Kermit from mobile device or while emulating it in desktop browser. Or use curl -H "Host:muppet.yourname.wikia-dev.pl" "http://dev-yourname:7001/wiki/Kermit"

Scripts

  • npm run setup - install all dependencies
  • npm run build - build files for dev environment
  • npm run build-prod - build files for prod environment
  • npm run fastboot-server - run built application (requires application to be build first)
  • npm run dev - build, run application and watch files
  • npm run test - run tests
  • npm run linter - run ESLint on files that are outside ember project
  • npm run stylelint - run stylelint against all .scss in style folder
  • npm run stylelint -- --fix - run stylelint and fix all issues that can be automatically fixed
  • npm run clean - remove all dependencies and build directory
  • npm run svgo - optimize all SVG files in the repository (check out tasks/optimize-svg.sh for details and configuration)
  • (Experimental) npm run fastboot-debug - build and run application in debugging mode. Server side code can be interrupted by debuggers.

Settings

Mobile Wiki application currently supports three types of configuration.

  • Ember & FastBoot configuration computed at build time config/environment.js
  • Ember & FastBoot runtime configuration app/instance-initializers/config.js which has access to environment variables
  • Express server configuration (middleware in front of FastBoot server) config/fastboot-server.js

Some tips if you develop outside of devbox:

  • The devboxDomain must have your devbox name (without the dev- prefix) in it
  • If you want to test with consul, use mediawikiDomain: 'consul.service.sjc-dev.consul' or mediawikiDomain: 'consul.service.poz-dev.consul'

Development

FastBoot and Server side funtionality

  • Check if code is executed on server side: inject fastboot service fastboot: Ember.inject.service() and this.get('fastboot.isFastBoot')
  • Require node package: Whitelist package in package.json and const proc = FastBoot.require('proc')
  • Read request headers: this.get('fastboot.request.headers')
  • Set response headers: this.get('fastboot.request.headers').set('x-header', 'value')
  • more on https://ember-fastboot.com/docs/user-guide

Linting

  • npm run lint:js
  • npm run lint:js -- --fix
  • npm run lint:hbs

Shoebox

To improve frontend performance we avoid making the same requests on backend and frontend. Shoebox helps us passing data from server to browser. Shoebox serilize data to JSON and puts it as script tag in HTML. In the browser shoebox reads data from HTML and uses it in Ember application.

const shoebox = this.get('fastboot.shoebox');

let data;

if (this.get('fastboot.isFastBoot')) {
  data = this.get('model').fetchData();

  shoebox.put('unique-key', data);
} else {
  data = shoebox.retrieve('unique-key');
}

// use your data

Sandboxes

Mobile-wiki is deployed to sandboxes using the mobile-wiki-deploy-sandbox jenkins job.

If you're in the #iris-tech channel, you can also make use of sandbot which is a chat bot with the following commands:

  • sandbot status - current status
  • sandbot taking <name of sandbox> to reserve one
  • sandbot releasing <name-of sandbox> to release one

Devboxes

Mobile-wiki can be run inside Docker using docker-compose. This is as easy as running:

docker-compose up

NOTE: Make sure MediaWiki docker container is running.

Initial setup

Create .env file with the name of the devbox with local user id (to match the user id inside the container with the one on your dev-box for proper file permissions):

```bash
echo LOCAL_USER_ID=$(id -u $USER) > .env
```

You will need a Github token which will be used to fetch packages from private repos. To get a token go to your Github settings and generate a new token or use one you have generated earlier. I recommend storing it somewhere safe and just save it per your ssh session:

export GITHUB_TOKEN=<YOUR_TOKEN_HERE>

NOTE: Make sure the token allows access to private repositories - the repo (Full control of private repositories) and admin:org should be selected.

Now you need to fetch all dependencies (this can take quite some time for the first time):

docker run --rm -v `pwd`:/app -e GITHUB_TOKEN="$GITHUB_TOKEN" -e LOCAL_USER_ID=`id -u $USER` artifactory.wikia-inc.com/mobile-wiki/mobile-wiki-devbox:latest npm run setup

NOTES:

  • If you're using zsh or similar shell, make sure that " are escaped.
  • If github authentication failed remove .gitconfig file from mobile-wiki.

(Re)building the docker image

Whenever you add a new global dependency you should rebuild your mobile-wiki container. To do that you need to run:

docker build -f Dockerfile.devbox -t artifactory.wikia-inc.com/mobile-wiki/mobile-wiki-devbox:latest .

See also

Mercury space - Confluence - Legacy documentation created before Mercury and Mobile Wiki split

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Languages

  • JavaScript 81.6%
  • SCSS 10.7%
  • Handlebars 6.8%
  • Other 0.9%