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Add service worker version on about page

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This commit is contained in:
Kenneth Bruen 2022-11-18 07:52:08 +01:00
parent 3b007ce548
commit 255dae9dec
Signed by: kbruen
GPG key ID: C1980A470C3EE5B1
3 changed files with 50 additions and 5 deletions
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12
about.html
View file

@ -11,6 +11,7 @@
<script src="/common/worker.js"></script>
<script defer src="/common/back.js"></script>
<script defer src="/common/items.js"></script>
<script defer src="about.js"></script>
</head>
<body>
<header>
@ -25,12 +26,23 @@
<h2>InfoTren</h2>
<p>KaiOS webapp for <a rel="noreferrer" target="_blank" href="https://infofer.ro" class="items inline">Informatica Feroviară</a> scraper</p>
<div>
<h4>Acknowledgements</h4>
<ul>
<li><a rel="noreferrer" target="_blank" href="https://brailleinstitute.org/freefont" class="items">Atkinson Hyperlegible</a></li>
</ul>
</div>
<div id="debug-info">
<h4>Debugging Information</h4>
<div id="sw-version-div">
<p class="thi">Service Worker Version</p>
<p class="pri items" tabindex="1000" id="sw-version">Not attached to service worker</p>
</div>
</div>
</div>
<footer>
<div class="lsk"></div>
<div class="csk">Open</div>

19
about.js Normal file
View file

@ -0,0 +1,19 @@
window.addEventListener('load', function (e) {
if (navigator.serviceWorker) {
navigator.serviceWorker.ready.then(function (reg) {
reg.active.postMessage({
type: 'swVersionRequest',
})
})
navigator.serviceWorker.addEventListener('message', function (e) {
if ('type' in e.data) {
switch (e.data.type) {
case 'swVersion': {
document.getElementById('sw-version-div').classList.remove('hidden')
document.getElementById('sw-version').textContent = e.data.version
}
}
}
})
}
})

16
sw.js
View file

@ -1,4 +1,4 @@
const VERSION = 'v17'
const VERSION = 'v18'
const API_ORIGIN = 'https://scraper.infotren.dcdev.ro/'
const API_TRAINS = `${API_ORIGIN}v3/trains`
const API_STATIONS = `${API_ORIGIN}v3/stations`
@ -79,6 +79,20 @@ self.addEventListener('activate', (event) => {
event.waitUntil(Promise.all([deleteOldCaches(), enableNavigationPreload()]))
})
self.addEventListener('message', (event) => {
if ('type' in event.data) {
switch (event.data.type) {
case 'swVersionRequest': {
event.source.postMessage({
type: 'swVersion',
version: VERSION,
})
break;
}
}
}
})
/**
* @param {RequestInfo | URL} request
* @param {Response} response