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https://github.com/Jermolene/TiddlyWiki5.git
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f38e9f0822
* First commit * Subscriber: Make onmessage be async * Don't use a variable before it's defined...
40 lines
1.1 KiB
JavaScript
40 lines
1.1 KiB
JavaScript
/*\
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title: $:/core/modules/startup/favicon.js
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type: application/javascript
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module-type: startup
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Favicon handling
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\*/
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"use strict";
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// Export name and synchronous status
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exports.name = "favicon";
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exports.platforms = ["browser"];
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exports.after = ["startup"];
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exports.synchronous = true;
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// Favicon tiddler
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var FAVICON_TITLE = "$:/favicon.ico";
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exports.startup = function() {
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var setFavicon = function() {
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var tiddler = $tw.wiki.getTiddler(FAVICON_TITLE);
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if(tiddler) {
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var faviconLink = document.getElementById("faviconLink"),
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dataURI = $tw.utils.makeDataUri(tiddler.fields.text,tiddler.fields.type,tiddler.fields._canonical_uri);
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faviconLink.setAttribute("href",dataURI);
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$tw.faviconPublisher.send({verb: "FAVICON",body: dataURI});
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}
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}
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$tw.faviconPublisher = new $tw.utils.BrowserMessagingPublisher({type: "FAVICON", onsubscribe: setFavicon});
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// Set up the favicon
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setFavicon();
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// Reset the favicon when the tiddler changes
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$tw.wiki.addEventListener("change",function(changes) {
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if($tw.utils.hop(changes,FAVICON_TITLE)) {
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setFavicon();
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}
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});
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};
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