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tell markdown to ignore math tags

pull/21833/head
Aleks Kissinger 2020-09-21 22:02:19 +01:00
parent 4df8754aad
commit 1b689bb4e1
1 changed files with 8 additions and 1 deletions
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9
src/Markdown.js
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@ -16,13 +16,19 @@ limitations under the License.
import commonmark from 'commonmark';
import {escape} from "lodash";
import SdkConfig from './SdkConfig';
const ALLOWED_HTML_TAGS = ['sub', 'sup', 'del', 'u'];
const ALLOWED_HTML_TAGS = ['sub', 'sup', 'del', 'u', 'code'];
// These types of node are definitely text
const TEXT_NODES = ['text', 'softbreak', 'linebreak', 'paragraph', 'document'];
function is_allowed_html_tag(node) {
if (SdkConfig.get()['latex_maths'] &&
node.literal.match(/^<\/?(div|span)( data-mx-maths="[^"]*")?>$/) != null) {
return true;
}
// Regex won't work for tags with attrs, but we only
// allow <del> anyway.
const matches = /^<\/?(.*)>$/.exec(node.literal);
@ -30,6 +36,7 @@ function is_allowed_html_tag(node) {
const tag = matches[1];
return ALLOWED_HTML_TAGS.indexOf(tag) > -1;
}
return false;
}