Service Worker App Demo

This is a demo for service workers and web push notifications that work in modern web browsers.

How to use

First, install all Node.js dependencies via npm install.

This demo requires access to a mongodb instance for storing push subscription info to send push updates at some other point in time. It also requires specifying a public and private key for identifying your server to the push service's server. These keys, known as VAPID public/private keys, can be generated and printed to the console when first executing the site. The site can be executed by running node index.js which will start a server on port 2020. You'll need to populate those keys as environment variables and execute node index.js again to ensure that push messages can be configured from your server.

If you are using VS Code you can set the environment variables mentioned above in your launch.json file as follows:

{
    "version": "0.2.0",
    "configurations": [
        {
            "type": "node",
            "request": "launch",
            "name": "Launch demo",
            "program": "${workspaceFolder}/serve.js",
            "env": {
                "DATABASE_CONNECTION_URI": "YOUR CONNECTION STRING",
                "VAPID_PUBLIC_KEY": "YOUR PUBLIC KEY",
                "VAPID_PRIVATE_KEY": "YOUR PRIVATE KEY",
            }
        },
        {
            "type": "node",
            "request": "launch",
            "name": "Job",
            "program": "${workspaceFolder}/notify.js",
            "env": {
                "DATABASE_CONNECTION_URI": "YOUR CONNECTION STRING",
                "VAPID_PUBLIC_KEY": "YOUR PUBLIC KEY",
                "VAPID_PRIVATE_KEY": "YOUR PRIVATE KEY",
            }
        }
    ]
}

Alternatively, you can modify configured-web-push.js and db.js and set the values there explicitly:

const databaseConnectionURI = process.env.DATABASE_CONNECTION_URI || '';
const vapidPublicKey = process.env.VAPID_PUBLIC_KEY || '';
const vapidPrivateKey = process.env.VAPID_PRIVATE_KEY || '';

License

MicrosoftEdge/serviceworker-demo

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