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Add syntax highlighting

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Explicitly disable HTML rendering.
Updated description.
This commit is contained in:
j433866 2019-08-29 14:08:07 +01:00
parent 45fccb94e1
commit b94eb6adb0
1 changed files with 17 additions and 7 deletions
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24
src/core/operations/RenderMarkdown.mjs
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@ -4,8 +4,9 @@
* @license Apache-2.0
*/
import Operation from "../Operation";
import Operation from "../Operation.mjs";
import MarkdownIt from "markdown-it";
import hljs from "highlight.js";
/**
* Render Markdown operation
@ -20,7 +21,7 @@ class RenderMarkdown extends Operation {
this.name = "Render Markdown";
this.module = "Default";
this.description = "Renders Markdown as HTML.";
this.description = "Renders input Markdown as HTML.";
this.infoURL = "https://wikipedia.org/wiki/Markdown";
this.inputType = "string";
this.outputType = "html";
@ -31,9 +32,9 @@ class RenderMarkdown extends Operation {
value: false
},
{
name: "Convert \\n to <br>",
name: "Enable syntax highlighting",
type: "boolean",
value: false
value: true
}
];
}
@ -44,10 +45,19 @@ class RenderMarkdown extends Operation {
* @returns {html}
*/
run(input, args) {
const [convertLinks, convertNewLine] = args,
const [convertLinks, enableHighlighting] = args,
md = new MarkdownIt({
breaks: convertNewLine,
linkify: convertLinks
linkify: convertLinks,
html: false, // Explicitly disable HTML rendering
highlight: function(str, lang) {
if (lang && hljs.getLanguage(lang) && enableHighlighting) {
try {
return hljs.highlight(lang, str).value;
} catch (__) {}
}
return "";
}
}),
rendered = md.render(input);