7 Commits
v2.0.1 ... main

Author SHA1 Message Date
Leo Herzog
a086867ff7 Version Bump 2025-12-22 22:06:50 -05:00
Leo Herzog
74d74f8432 Simplify Service Worker 2025-12-22 22:06:43 -05:00
Leo Herzog
570df30bcc Refactor UI to Use Semantic HTML Elements 2025-12-22 22:01:18 -05:00
Leo Herzog
615fe5092c Improve Accessibility with Proper Button Elements and ARIA Labels 2025-12-22 21:58:47 -05:00
Leo Herzog
dc93c4722e Update WebTorrent Trackers with Active Endpoints 2025-12-22 21:57:13 -05:00
Leo Herzog
b2496a7719 Remove Deprecated IE11 msSaveBlob Code 2025-12-22 21:56:14 -05:00
Leo Herzog
5791f8f749 Fix XSS Vulnerability and Null Reference Errors 2025-12-22 21:55:44 -05:00
4 changed files with 224 additions and 159 deletions

View File

@@ -54,34 +54,36 @@
<a class="github-button" href="https://github.com/leoherzog/TorrentParts" data-icon="octicon-star" data-show-count="true" aria-label="Star TorrentParts on GitHub">Star</a> <a class="github-button" href="https://github.com/leoherzog/TorrentParts" data-icon="octicon-star" data-show-count="true" aria-label="Star TorrentParts on GitHub">Star</a>
</header> </header>
<div id="startButtons"> <form id="startForm">
<div id="startButtons">
<input id="magnet" type="text" placeholder="Enter URL" aria-label="Enter URL and press enter" /> <input id="magnet" type="text" placeholder="Enter URL" aria-label="Enter URL and press enter" />
<label for="magnet" class="sr-only"> <label for="magnet" class="sr-only">
Enter URL and press enter Enter URL and press enter
</label> </label>
<input id="torrent" type="file" accept=".torrent" aria-label="Select Torrent file" /> <input id="torrent" type="file" accept=".torrent" aria-label="Select Torrent file" />
<label for="torrent"> <label for="torrent">
<span class="fas fa-cloud-upload" aria-hidden="true"></span> Select Torrent File <span class="fas fa-cloud-upload" aria-hidden="true"></span> Select Torrent File
</label> </label>
</div> </div>
</form>
<div id="examples"> <section id="examples">
<div>...or, try some examples!</div> <div>...or, try some examples!</div>
<button id="example1" aria-label="Load Magnet Example"><span class="fal fa-magnet" aria-hidden="true"></span> Magnet URL</button> <button id="example1" aria-label="Load Magnet Example"><span class="fal fa-magnet" aria-hidden="true"></span> Magnet URL</button>
<button id="example2" aria-label="Load URL to Torrent File Example"><span class="fal fa-link" aria-hidden="true"></span> URL to Torrent File</button> <button id="example2" aria-label="Load URL to Torrent File Example"><span class="fal fa-link" aria-hidden="true"></span> URL to Torrent File</button>
<button id="example3" aria-label="Load Torrent File Example"><span class="fal fa-file-alt" aria-hidden="true"></span> Torrent File</button> <button id="example3" aria-label="Load Torrent File Example"><span class="fal fa-file-alt" aria-hidden="true"></span> Torrent File</button>
</div> </section>
<div id="properties" style="display:none"> <main id="properties" style="display:none">
<button id="reset" aria-label="Reset the page"> <button id="reset" aria-label="Reset the page">
<span class="far fa-times"></span> <span class="far fa-times"></span>
</button> </button>
<div id="share"> <nav id="share">
<a id="openURLWrapper" target="_blank"> <a id="openURLWrapper" target="_blank">
<button id="openURL" aria-label="Open this Magnet URL in your Torrent client"> <button id="openURL" aria-label="Open this Magnet URL in your Torrent client">
<span class="fas fa-arrow-up-right-from-square fa-2x"></span> <span class="fas fa-arrow-up-right-from-square fa-2x"></span>
@@ -102,37 +104,46 @@
<span class="fas fa-file-download fa-2x"></span> <span class="fas fa-file-download fa-2x"></span>
</button> </button>
</div> </div>
</div> </nav>
<div class="property"> <fieldset class="property">
<legend>
<span class="info" data-tippy-content="This is the unique identifier that makes Torrents work. All of the files contained in this Torrent are run through an algorithm that generates a unique string, or &ldquo;hash&rdquo;."><span class="far fa-info-circle"></span></span>
Unique Hash
</legend>
<div class="labels"> <div class="labels">
<div> <div>
<span class="info" data-tippy-content="This is the unique identifier that makes Torrents work. All of the files contained in this Torrent are run through an algorithm that generates a unique string, or &ldquo;hash&rdquo;."><span class="far fa-info-circle"></span></span> <label for="hash" class="sr-only">Unique Hash</label>
<label for="hash">Unique Hash</label>
</div> </div>
</div> </div>
<div class="content"> <div class="content">
<input id="hash" type="text" placeholder="" disabled/> <input id="hash" type="text" placeholder="" disabled/>
</div> </div>
</div> </fieldset>
<div class="property"> <fieldset class="property">
<legend>
<span class="info" data-tippy-content="An optional title specified by the creator"><span class="far fa-info-circle"></span></span>
Torrent Name
</legend>
<div class="labels"> <div class="labels">
<div> <div>
<span class="info" data-tippy-content="An optional title specified by the creator"><span class="far fa-info-circle"></span></span> <label for="name" class="sr-only">Torrent Name</label>
<label for="name">Torrent Name</label>
</div> </div>
</div> </div>
<div class="content"> <div class="content">
<input id="name" type="text" placeholder="Unnamed" dir="auto" /> <input id="name" type="text" placeholder="Unnamed" dir="auto" />
</div> </div>
</div> </fieldset>
<div class="property"> <fieldset class="property">
<legend>
<span class="info" data-tippy-content="Data embedded into a Torrent file that says what program created it and when. Not included in Magnet links."><span class="far fa-info-circle"></span></span>
Created
</legend>
<div class="labels"> <div class="labels">
<div> <div>
<span class="info" data-tippy-content="Data embedded into a Torrent file that says what program created it and when. Not included in Magnet links."><span class="far fa-info-circle"></span></span> <label for="created" class="sr-only">Created</label>
<label for="created">Created</label>
</div> </div>
<label for="createdBy" style="display:none">Created By</label> <label for="createdBy" style="display:none">Created By</label>
</div> </div>
@@ -141,28 +152,33 @@
<br /> <br />
<input id="createdBy" type="text" placeholder="Creation client unspecified" aria-label="Creation client" disabled /> <input id="createdBy" type="text" placeholder="Creation client unspecified" aria-label="Creation client" disabled />
</div> </div>
</div> </fieldset>
<div class="property"> <fieldset class="property">
<legend>
<span class="info" data-tippy-content="An optional description specified by the creator"><span class="far fa-info-circle"></span></span>
Comment
</legend>
<div class="labels"> <div class="labels">
<div> <div>
<span class="info" data-tippy-content="An optional description specified by the creator"><span class="far fa-info-circle"></span></span> <label for="comment" class="sr-only">Comment</label>
<label for="comment">Comment</label>
</div> </div>
</div> </div>
<div class="content"> <div class="content">
<input id="comment" type="text" placeholder="Not included in the URL/File provided" dir="auto" /> <input id="comment" type="text" placeholder="Not included in the URL/File provided" dir="auto" />
</div> </div>
</div> </fieldset>
<div class="property"> <fieldset class="property">
<legend>
<span class="info" data-tippy-content="Servers that keep track of other users who are actively downloading this Torrent, called &ldquo;peers&rdquo;. Your client will contact these servers first to find out who else is available to download the files from."><span class="far fa-info-circle"></span></span>
Tracker URLs
</legend>
<div class="labels"> <div class="labels">
<div> <div class="label-actions">
<span class="info" data-tippy-content="Servers that keep track of other users who are actively downloading this Torrent, called &ldquo;peers&rdquo;. Your client will contact these servers first to find out who else is available to download the files from."><span class="far fa-info-circle"></span></span> <a id="addTrackers">Add Known Working Trackers</a>
<label for="announce">Tracker URLs</label> <a id="removeTrackers">Remove All</a>
</div> </div>
<a id="addTrackers">Add Known Working Trackers</a>
<a id="removeTrackers">Remove All</a>
</div> </div>
<div class="content"> <div class="content">
<button id="addTracker" data-type="announce"> <button id="addTracker" data-type="announce">
@@ -170,15 +186,17 @@
</button> </button>
<div id="announce"></div> <div id="announce"></div>
</div> </div>
</div> </fieldset>
<div class="property"> <fieldset class="property">
<legend>
<span class="info" data-tippy-content="A list of webservers on the internet that also have a copy of the file(s) in this Torrent, to use in case no peers are available"><span class="far fa-info-circle"></span></span>
Webseed URLs
</legend>
<div class="labels"> <div class="labels">
<div> <div class="label-actions">
<span class="info" data-tippy-content="A list of webservers on the internet that also have a copy of the file(s) in this Torrent, to use in case no peers are available"><span class="far fa-info-circle"></span></span> <a id="removeWebseeds">Remove All</a>
<label for="urlList">Webseed URLs</label>
</div> </div>
<a id="removeWebseeds">Remove All</a>
</div> </div>
<div class="content"> <div class="content">
<button id="addWebseed" data-type="urlList"> <button id="addWebseed" data-type="urlList">
@@ -186,37 +204,42 @@
</button> </button>
<div id="urlList"></div> <div id="urlList"></div>
</div> </div>
</div> </fieldset>
<div class="property"> <fieldset class="property">
<legend>
<span class="info" data-tippy-content="Torrents take files and split them into equal size pieces to make them easy to share. Piece size is configurable when a Torrent file is made."><span class="far fa-info-circle"></span></span>
Pieces
</legend>
<div class="labels"> <div class="labels">
<div> <div>
<span class="info" data-tippy-content="Torrents take files and split them into equal size pieces to make them easy to share. Piece size is configurable when a Torrent file is made."><span class="far fa-info-circle"></span></span> <label for="pieces" class="sr-only">Pieces</label>
<label for="pieces">Pieces</label>
</div> </div>
</div> </div>
<div class="content"> <div class="content">
<input id="pieces" type="text" placeholder="Not included in the URL/File provided" aria-label="Piece size and length" disabled required /> <input id="pieces" type="text" placeholder="Not included in the URL/File provided" aria-label="Piece size and length" disabled required />
</div> </div>
</div> </fieldset>
<div class="property"> <fieldset class="property">
<legend>
<span class="info" data-tippy-content="The files listed in this Torrent file. Not included in Magnet links."><span class="far fa-info-circle"></span></span>
Files
</legend>
<div class="labels"> <div class="labels">
<div> <div class="label-actions">
<span class="info" data-tippy-content="The files listed in this Torrent file. Not included in Magnet links."><span class="far fa-info-circle"></span></span> <a id="getFiles">Fetch Files List from WebTorrent</a>
<label for="files">Files</label>
</div> </div>
<a id="getFiles">Fetch Files List from WebTorrent</a>
</div> </div>
<table id="files"> <table id="files">
<tbody id="filesBody"></tbody> <tbody id="filesBody"></tbody>
</table> </table>
</div> </fieldset>
</div> </main>
<footer> <footer>
<a href="https://github.com/leoherzog/TorrentParts/releases" target="_blank" rel="noopener">v2.0.1</a> <a href="https://github.com/leoherzog/TorrentParts/releases" target="_blank" rel="noopener">v2.0.2</a>
</footer> </footer>
<script type="module" src="/src/parse.js"></script> <script type="module" src="/src/parse.js"></script>

View File

@@ -85,6 +85,11 @@ placeDownloadTooltips();
document.addEventListener('DOMContentLoaded', start); document.addEventListener('DOMContentLoaded', start);
function start() { function start() {
// form submission prevention
document.getElementById('startForm').addEventListener('submit', function (event) {
event.preventDefault();
});
// magnet input // magnet input
document.getElementById('magnet').addEventListener('keyup', function (event) { document.getElementById('magnet').addEventListener('keyup', function (event) {
event.preventDefault(); event.preventDefault();
@@ -114,15 +119,16 @@ function start() {
document.addEventListener('drop', function (event) { document.addEventListener('drop', function (event) {
event.preventDefault(); event.preventDefault();
event.dataTransfer.items[0] if (event.dataTransfer.items.length === 0) return;
.getAsFile() if (event.dataTransfer.items[0].kind !== 'file') return;
.arrayBuffer() const file = event.dataTransfer.items[0].getAsFile();
.then(function (arrayBuffer) { if (!file) return;
source = 'torrent-file'; file.arrayBuffer().then(function (arrayBuffer) {
originalSourceIcon.innerHTML = '<span class="fad fa-file-alt fa-fw"></span>'; source = 'torrent-file';
sourceTooltip.setContent('Currently loaded information sourced from Torrent file'); originalSourceIcon.innerHTML = '<span class="fad fa-file-alt fa-fw"></span>';
parse(Buffer.from(arrayBuffer)); sourceTooltip.setContent('Currently loaded information sourced from Torrent file');
}); parse(Buffer.from(arrayBuffer));
});
}); });
// example buttons // example buttons
@@ -278,10 +284,12 @@ function display() {
tracker.setAttribute('aria-label', 'Tracker URL #' + i); tracker.setAttribute('aria-label', 'Tracker URL #' + i);
tracker.addEventListener('input', propertyChange); tracker.addEventListener('input', propertyChange);
row.appendChild(tracker); row.appendChild(tracker);
let remove = document.createElement('a'); let remove = document.createElement('button');
remove.type = 'button';
remove.className = 'remove'; remove.className = 'remove';
remove.dataset.index = i; remove.dataset.index = i;
remove.innerHTML = '<span class="far fa-trash"></span>'; remove.innerHTML = '<span class="far fa-trash"></span>';
remove.setAttribute('aria-label', 'Remove tracker #' + i);
remove.addEventListener('click', removeRow); remove.addEventListener('click', removeRow);
row.appendChild(remove); row.appendChild(remove);
announce.appendChild(row); announce.appendChild(row);
@@ -304,10 +312,12 @@ function display() {
webseed.setAttribute('aria-label', 'Webseed URL #' + i); webseed.setAttribute('aria-label', 'Webseed URL #' + i);
webseed.addEventListener('input', propertyChange); webseed.addEventListener('input', propertyChange);
row.appendChild(webseed); row.appendChild(webseed);
let remove = document.createElement('a'); let remove = document.createElement('button');
remove.type = 'button';
remove.className = 'remove'; remove.className = 'remove';
remove.dataset.index = i; remove.dataset.index = i;
remove.innerHTML = '<span class="far fa-trash"></span>'; remove.innerHTML = '<span class="far fa-trash"></span>';
remove.setAttribute('aria-label', 'Remove webseed #' + i);
remove.addEventListener('click', removeRow); remove.addEventListener('click', removeRow);
row.appendChild(remove); row.appendChild(remove);
urlList.appendChild(row); urlList.appendChild(row);
@@ -339,10 +349,10 @@ function display() {
} else { } else {
if (client.torrents.length > 0) { if (client.torrents.length > 0) {
getFiles.style.display = 'none'; getFiles.style.display = 'none';
files.innerHTML = '<input type="text" placeholder="Attempting fetching of files from Webtorrent..." aria-label="Attempting fetching of files from Webtorrent..." disabled>'; files.innerHTML = '<output>Attempting fetching of files from Webtorrent...</output>';
} else { } else {
getFiles.style.display = 'block'; getFiles.style.display = 'block';
files.innerHTML = '<input type="text" placeholder="Not included in the URL/File provided" aria-label="Files information not included in the URL/File provided" disabled>'; files.innerHTML = '<output>Not included in the URL/File provided</output>';
} }
downloadTorrentTooltip.setContent('Files metadata is required to generate a Torrent file. Try fetching files list from WebTorrent.'); downloadTorrentTooltip.setContent('Files metadata is required to generate a Torrent file. Try fetching files list from WebTorrent.');
downloadTorrent.removeEventListener('click', saveTorrent); downloadTorrent.removeEventListener('click', saveTorrent);
@@ -372,7 +382,7 @@ function createFileRow(icon, name, size) {
if (icon) iconcell.innerHTML = '<span class="far fa-' + icon + '"></span>'; if (icon) iconcell.innerHTML = '<span class="far fa-' + icon + '"></span>';
row.appendChild(iconcell); row.appendChild(iconcell);
let namecell = document.createElement('td'); let namecell = document.createElement('td');
namecell.innerHTML = name; namecell.textContent = name;
row.appendChild(namecell); row.appendChild(namecell);
let totalcell = document.createElement('td'); let totalcell = document.createElement('td');
totalcell.innerHTML = bytes.format(size, { decimalPlaces: 1, unitSeparator: ' ' }); totalcell.innerHTML = bytes.format(size, { decimalPlaces: 1, unitSeparator: ' ' });
@@ -458,7 +468,7 @@ async function addCurrentTrackers() {
try { try {
let response = await fetch('https://newtrackon.com/api/stable'); // get trackers with 95% uptime let response = await fetch('https://newtrackon.com/api/stable'); // get trackers with 95% uptime
let trackers = await response.text(); let trackers = await response.text();
parsed.announce = parsed.announce.concat(trackers.split('\n\n')); parsed.announce = (parsed.announce || []).concat(trackers.split('\n\n'));
parsed.announce.push('http://bt1.archive.org:6969/announce'); parsed.announce.push('http://bt1.archive.org:6969/announce');
parsed.announce.push('http://bt2.archive.org:6969/announce'); parsed.announce.push('http://bt2.archive.org:6969/announce');
parsed.announce = parsed.announce.filter((v, i) => v && parsed.announce.indexOf(v) === i); // remove duplicates and empties parsed.announce = parsed.announce.filter((v, i) => v && parsed.announce.indexOf(v) === i); // remove duplicates and empties
@@ -504,10 +514,12 @@ function updateModified() {
function getFilesFromPeers() { function getFilesFromPeers() {
console.info('Attempting fetching files from Webtorrent...'); console.info('Attempting fetching files from Webtorrent...');
getFiles.style.display = 'none'; getFiles.style.display = 'none';
parsed.announce.push('wss://tracker.webtorrent.io'); parsed.announce = parsed.announce || [];
parsed.announce.push('wss://tracker.webtorrent.dev');
parsed.announce.push('wss://tracker.openwebtorrent.com'); parsed.announce.push('wss://tracker.openwebtorrent.com');
parsed.announce.push('wss://tracker.btorrent.xyz'); parsed.announce.push('wss://tracker.btorrent.xyz');
parsed.announce.push('wss://tracker.fastcast.nz'); parsed.announce.push('wss://tracker.fastcast.nz');
parsed.announce.push('wss://tracker.files.fm:7073/announce');
parsed.announce = parsed.announce.filter((v, i) => v && parsed.announce.indexOf(v) === i); // remove duplicates and empties parsed.announce = parsed.announce.filter((v, i) => v && parsed.announce.indexOf(v) === i); // remove duplicates and empties
client.add(toMagnetURI(parsed), (torrent) => { client.add(toMagnetURI(parsed), (torrent) => {
parsed.info = Object.assign({}, torrent.info); // clone object parsed.info = Object.assign({}, torrent.info); // clone object
@@ -523,17 +535,13 @@ function getFilesFromPeers() {
display(); display();
} }
// https://stackoverflow.com/a/36899900/2700296
function saveTorrent() { function saveTorrent() {
let data = toTorrentFile(parsed); const data = toTorrentFile(parsed);
if (data !== null && navigator.msSaveBlob) return navigator.msSaveBlob(new Blob([data], { type: 'application/x-bittorrent' }), parsed.name + '.torrent'); const blob = new Blob([data], { type: 'application/x-bittorrent' });
let a = document.createElement('a'); const url = URL.createObjectURL(blob);
a.style.display = 'none'; const a = document.createElement('a');
let url = window.URL.createObjectURL(new Blob([data], { type: 'application/x-bittorrent' })); a.href = url;
a.setAttribute('href', url); a.download = parsed.name + '.torrent';
a.setAttribute('download', parsed.name + '.torrent');
document.body.appendChild(a);
a.click(); a.click();
window.URL.revokeObjectURL(url); URL.revokeObjectURL(url);
a.remove();
} }

View File

@@ -255,12 +255,29 @@ label[for="torrent"] {
display: flex; display: flex;
align-content: flex-start; align-content: flex-start;
justify-content: space-between; justify-content: space-between;
border: none;
padding: 0;
position: relative;
} }
.property:first-child { .property:first-child {
width: 240px; width: 240px;
} }
.property > legend {
position: absolute;
top: 8px;
left: 0;
width: 280px;
text-align: right;
margin: 0;
padding: 0;
text-transform: uppercase;
font-size: inherit;
font-weight: inherit;
color: inherit;
}
.labels { .labels {
width: 280px; width: 280px;
text-align: right; text-align: right;
@@ -269,7 +286,14 @@ label[for="torrent"] {
flex-direction: column; flex-direction: column;
} }
.labels > a { .label-actions {
margin-top: 26px;
display: flex;
flex-direction: column;
align-items: flex-end;
}
.labels > a, .label-actions > a {
font-size: 80%; font-size: 80%;
margin-top: 6px; margin-top: 6px;
} }
@@ -306,10 +330,35 @@ input {
#announce > *, #urlList > * { #announce > *, #urlList > * {
margin: 0 0 16px 0; margin: 0 0 16px 0;
display: flex;
align-items: center;
gap: 6px;
} }
.remove { .remove {
margin-left: 6px; background: transparent;
border: none;
border-radius: 0;
width: auto;
height: auto;
padding: 0;
cursor: pointer;
display: inline;
color: var(--grey);
flex-shrink: 0;
}
output {
color: rgb(120, 126, 133) !important;
-webkit-text-fill-color: rgb(120, 126, 133) !important;
background: transparent;
border: 0;
padding: 8px 0;
font-style: normal;
display: block;
width: 440px;
height: 40px;
box-sizing: border-box;
} }
@media (max-width: 1080px) { @media (max-width: 1080px) {
@@ -357,8 +406,12 @@ input {
flex-direction: column; flex-direction: column;
} }
.property > label { .property > legend {
margin: 12px 0; position: static;
left: auto;
width: auto;
text-align: center;
margin-bottom: 16px;
} }
input, button { input, button {
@@ -371,6 +424,13 @@ input {
align-items: center; align-items: center;
} }
.label-actions {
display: flex;
flex-direction: column;
align-items: center;
margin-top: 0;
}
.labels, .content, #files { .labels, .content, #files {
width: auto; width: auto;
display: flex; display: flex;
@@ -378,8 +438,28 @@ input {
align-items: center; align-items: center;
} }
output {
text-align: center;
}
#announce, #urlList { #announce, #urlList {
text-align: center; text-align: center;
display: flex;
flex-direction: column;
align-items: center;
}
#announce > *, #urlList > * {
display: flex;
justify-content: center;
align-items: center;
width: 80vw;
gap: 6px;
}
#announce > * > input, #urlList > * > input {
width: calc(80vw - 40px);
flex: none;
} }
#announce > * > *, #urlList > * > *, #addTracker, #addWebseed, #examples > button { #announce > * > *, #urlList > * > *, #addTracker, #addWebseed, #examples > button {

View File

@@ -1,84 +1,38 @@
const cache_name = 'torrent-parts-v1'; const CACHE_NAME = 'torrent-parts-v2';
const assets = ['/', '/index.html', '/src/parse.js', '/src/style.css', '/ext/alata-v9-latin-regular.woff2', '/ext/alata-v9-latin-regular.ttf', '/ext/fa.min.js', '/ext/jj2008-06-14.mk4_archive.torrent', '/favicon.ico', '/manifest.webmanifest']; const ASSETS = [
'/',
'/index.html',
'/src/parse.js',
'/src/style.css',
'/ext/alata-v9-latin-regular.woff2',
'/ext/fa.min.js',
'/ext/jj2008-06-14.mk4_archive.torrent',
'/favicon.ico',
'/manifest.webmanifest',
];
self.addEventListener('install', function (event) { self.addEventListener('install', (e) => {
self.skipWaiting(); // Force activate new SW immediately self.skipWaiting();
event.waitUntil( e.waitUntil(caches.open(CACHE_NAME).then((cache) => cache.addAll(ASSETS)));
caches
.open(cache_name)
.then(function (cache) {
return cache.addAll(assets);
})
.catch(function (error) {
console.error('Service worker install failed:', error);
})
);
}); });
self.addEventListener('activate', function (event) { self.addEventListener('activate', (e) => {
event.waitUntil( e.waitUntil(
Promise.all([ Promise.all([
// Take control of all clients immediately
self.clients.claim(), self.clients.claim(),
// Clean up old caches caches.keys().then((keys) => Promise.all(keys.filter((k) => k !== CACHE_NAME).map((k) => caches.delete(k)))),
caches.keys().then(function (cacheNames) {
return Promise.all(
cacheNames.map(function (cacheName) {
if (cacheName !== cache_name) {
console.log('Deleting old cache:', cacheName);
return caches.delete(cacheName);
}
})
);
}),
]) ])
); );
}); });
self.addEventListener('fetch', function (event) { self.addEventListener('fetch', (e) => {
// Only cache GET requests if (e.request.method !== 'GET') return;
if (event.request.method !== 'GET') {
return;
}
// Network-first strategy for external requests const url = new URL(e.request.url);
const requestUrl = new URL(event.request.url);
if (requestUrl.origin !== self.location.origin) {
event.respondWith(
fetch(event.request)
.then(function (response) {
return response;
})
.catch(function () {
console.log('Network request failed, trying cache:', event.request.url);
return caches.match(event.request);
})
);
return;
}
// Cache-first strategy for app assets // Only cache same-origin requests
event.respondWith( if (url.origin !== self.location.origin) return;
caches
.match(event.request) // Cache-first for local assets
.then(function (response) { e.respondWith(caches.match(e.request).then((cached) => cached || fetch(e.request)));
if (response) {
return response;
}
return fetch(event.request).then(function (response) {
// Cache successful responses for future use
if (response && response.status === 200) {
const responseClone = response.clone();
caches.open(cache_name).then(function (cache) {
cache.put(event.request, responseClone);
});
}
return response;
});
})
.catch(function (error) {
console.error('Service worker fetch failed:', error);
// Could return offline fallback page here if needed
})
);
}); });