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TiddlyWiki5/plugins/tiddlywiki/highlight/highlightblock.js
Jermolene 3592a9560b Highlight plugin: add static demo
Also clean up some coding style issues
2015-09-11 22:36:30 +01:00

39 lines
1.2 KiB
JavaScript

/*\
title: $:/plugins/tiddlywiki/highlight/highlightblock.js
type: application/javascript
module-type: widget
Wraps up the fenced code blocks parser for highlight and use in TiddlyWiki5
\*/
(function() {
/*jslint node: true, browser: true */
/*global $tw: false */
"use strict";
var CodeBlockWidget = require("$:/core/modules/widgets/codeblock.js").codeblock;
var hljs = require("$:/plugins/tiddlywiki/highlight/highlight.js");
hljs.configure({tabReplace: " "});
CodeBlockWidget.prototype.postRender = function() {
var domNode = this.domNodes[0];
if($tw.browser && this.document !== $tw.fakeDocument && this.language) {
domNode.className = this.language.toLowerCase();
hljs.highlightBlock(domNode);
} else if(!$tw.browser && this.language && this.language.indexOf("/") === -1 ){
try {
domNode.className = this.language.toLowerCase() + " hljs";
domNode.children[0].innerHTML = hljs.fixMarkup(hljs.highlight(this.language, this.getAttribute("code")).value);
}
catch(err) {
// Can't easily tell if a language is registered or not in the packed version of hightlight.js,
// so we silently fail and the codeblock remains unchanged
}
}
};
})();