Application description goes here.........
Before you can build this project, you must install and configure the following dependencies on your machine:
- [Node.js][]: We use Node to run a development web server and build the project. Depending on your system, you can install Node either from source or as a pre-packaged bundle.
After installing Node, you should be able to run the following command to install development tools. You will only need to run this command when dependencies change in package.json.
npm install
We use npm scripts and [Webpack][] as our build system.
Run the following commands in two separate terminals to create a blissful development experience where your browser auto-refreshes when files change on your hard drive.
npm start
Npm is also used to manage CSS and JavaScript dependencies used in this application. You can upgrade dependencies by
specifying a newer version in package.json. You can also run npm update
and npm install
to manage dependencies.
Add the help
flag on any command to see how you can use it. For example, npm help update
.
The npm run
command will list all of the scripts available to run for this project.
This ships with PWA (Progressive Web App) support, and it's turned off by default. One of the main components of a PWA is a service worker.
The service worker initialization code is commented out by default. To enable it, uncomment the following code in src/main/webapp/index.html
:
<script>
if ('serviceWorker' in navigator) {
navigator.serviceWorker.register('./service-worker.js').then(function () {
console.log('Service Worker Registered');
});
}
</script>
Note: Workbox powers projects's service worker. It dynamically generates the service-worker.js
file.
For example, to add [Leaflet][] library as a runtime dependency of your application, you would run following command:
npm install --save --save-exact leaflet
To benefit from TypeScript type definitions from [DefinitelyTyped][] repository in development, you would run following command:
npm install --save-dev --save-exact @types/leaflet
Then you would import the JS and CSS files specified in library's installation instructions so that [Webpack][] knows about them: Note: There are still a few other things remaining to do for Leaflet that we won't detail here.
Unit tests are run by [Jest][]. They're located in src/test/javascript/ and can be run with:
npm test