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TiddlyWiki5/plugins/tiddlywiki/highlight-legacy/highlightblock.js
cdruan 4f42df8bef
Update highlight.js to v11.4.0 (#6427)
* Rename v9 highlight.js plugin to highlight-legacy

* Add ES6 version of highlight.js plugin

* highlightblock.js

	- ensure this ES6 plugin will not cause error on legacy browsers
	- update the code to use new highlight.js APIs
	- change class tagging to match more closely with highlight.js
	- allow users to add language definitions as JS "highlight" modules

* styles.tid

	- update to match v11

* howto.tid

	- add instructions on how to add language definitions as JS modules

* highlight.min.js, default.min.css

	- version 11.4.0 common languages only

* Remove extraneous whitespaces

* Update readme.tid

* Update bundled languages

bundled: common + apache + nginx + latex + dockerfile + fortran

* Update highlight-legacy subtiddlers' titles

* Touch up highlight-legacy docs

* Touch up highlight plugin docs

* Fix pre block styling

- add "hljs" class to <pre> so the element can be styled
2022-02-21 15:35:13 +00:00

45 lines
1.3 KiB
JavaScript

/*\
title: $:/plugins/tiddlywiki/highlight-legacy/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 $tw: false */
"use strict";
var TYPE_MAPPINGS_BASE = "$:/config/HighlightPlugin/TypeMappings/";
var CodeBlockWidget = require("$:/core/modules/widgets/codeblock.js").codeblock;
var hljs = require("$:/plugins/tiddlywiki/highlight-legacy/highlight.js");
hljs.configure({tabReplace: " "});
CodeBlockWidget.prototype.postRender = function() {
var domNode = this.domNodes[0],
language = this.language,
tiddler = this.wiki.getTiddler(TYPE_MAPPINGS_BASE + language);
if(tiddler) {
language = tiddler.fields.text || "";
}
if(language && hljs.getLanguage(language)) {
domNode.className = language.toLowerCase() + " hljs";
if($tw.browser && !domNode.isTiddlyWikiFakeDom) {
hljs.highlightBlock(domNode);
} else {
var text = domNode.textContent;
domNode.children[0].innerHTML = hljs.fixMarkup(hljs.highlight(language,text).value);
// If we're using the fakedom then specially save the original raw text
if(domNode.isTiddlyWikiFakeDom) {
domNode.children[0].textInnerHTML = text;
}
}
}
};
})();