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service-worker.js
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service-worker.js
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'use strict';
importScripts('pubnub-stream.js');
// Send and Receive messages from other users and devices
PubNub({
publishKey: "demo",
subscribeKey: "demo",
authKey: "abcd1234",
uuid: "myUserID",
messages: messages,
});
// Receiver for incoming PubNub Message
function messages(message) {
let channel = message.channel;
message.type = 'pubnubMessage';
self.clients.matchAll().then(clients => {
clients.forEach(client => {
client.postMessage(message);
});
});
}
// Receive service worker messages from parent windows/tabs
self.addEventListener('message', event => {
let data = event.data;
let eventType = data.type;
let channel = data.channel;
switch (eventType) {
case 'subscribe':
console.log(`Subscribing to: ${channel}`);
PubNub.subscribe({ channel: channel });
break;
case 'publish':
console.log(`Publishing to: ${channel}`); PubNub.publish({ channel: channel, message: data }); break;
default:
console.warn('unhandled eventType in simple-worker.js');
}
});
self.addEventListener('install', event => {
event.waitUntil(self.skipWaiting());
});
self.addEventListener('activate', event => {
event.waitUntil(self.clients.claim());
});