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TextualBody: only highlight code block if language was specified

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The highlight.js autodetection is finicky and often wrong, so disable
highlighting unless the language was explicitly specified, or if the
user has explicitly enabled it in the settings.

Fixes vector-im/riot-web#508.

Signed-off-by: Johannes Löthberg <johannes@kyriasis.com>
This commit is contained in:
Johannes Löthberg
2017-06-12 02:13:10 +02:00
parent 661e6a6d01
commit 48c32172fd
3 changed files with 18 additions and 1 deletions
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14
src/components/views/messages/TextualBody.js
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@ -29,6 +29,7 @@ import Modal from '../../../Modal';
import SdkConfig from '../../../SdkConfig';
import dis from '../../../dispatcher';
import { _t } from '../../../languageHandler';
import UserSettingsStore from "../../../UserSettingsStore";
linkifyMatrix(linkify);
@ -90,7 +91,18 @@ module.exports = React.createClass({
setTimeout(() => {
if (this._unmounted) return;
for (let i = 0; i < blocks.length; i++) {
highlight.highlightBlock(blocks[i]);
if (UserSettingsStore.getSyncedSetting("enableSyntaxHighlightLanguageDetection", false)) {
highlight.highlightBlock(blocks[i])
} else {
// Only syntax highlight if there's a class starting with language-
let classes = blocks[i].className.split(/\s+/).filter(function (cl) {
return cl.startsWith('language-');
});
if (classes.length != 0) {
highlight.highlightBlock(blocks[i]);
}
}
}
}, 10);
}