зеркало из https://github.com/mozilla/gecko-dev.git
44 строки
1.2 KiB
JavaScript
44 строки
1.2 KiB
JavaScript
/* This Source Code Form is subject to the terms of the Mozilla Public
|
|
* License, v. 2.0. If a copy of the MPL was not distributed with this
|
|
* file, You can obtain one at http://mozilla.org/MPL/2.0/. */
|
|
"use strict";
|
|
|
|
const WORKER_BODY = `
|
|
onactivate = function(event) {
|
|
let promise = clients.matchAll({includeUncontrolled: true}).then(function(clients) {
|
|
for (i = 0; i < clients.length; i++) {
|
|
clients[i].postMessage({version: version});
|
|
}
|
|
}).then(function() {
|
|
return self.registration.update();
|
|
});
|
|
event.waitUntil(promise);
|
|
};
|
|
`;
|
|
|
|
function handleRequest(request, response) {
|
|
if (request.queryString == 'clearcounter') {
|
|
setState('count', "1");
|
|
response.write("ok");
|
|
return;
|
|
}
|
|
|
|
let count = getState("count");
|
|
if (count === "") {
|
|
count = 1;
|
|
} else {
|
|
count = parseInt(count);
|
|
}
|
|
|
|
let worker = "var version = " + count + ";\n";
|
|
worker = worker + WORKER_BODY;
|
|
|
|
// This header is necessary for making this script able to be loaded.
|
|
response.setHeader("Content-Type", "application/javascript");
|
|
|
|
// If this is the first request, return the first source.
|
|
response.write(worker);
|
|
setState("count", "" + (count + 1));
|
|
}
|
|
|