X-Git-Url: http://source.bookstackapp.com/bookstack/blobdiff_plain/f991948c4931ecf2d4e32dadc8b099207f76fa82..refs/pull/3365/head:/resources/js/wysiwyg/config.js

diff --git a/resources/js/wysiwyg/config.js b/resources/js/wysiwyg/config.js
index fab6a3886..c32a5ffc1 100644
--- a/resources/js/wysiwyg/config.js
+++ b/resources/js/wysiwyg/config.js
@@ -114,6 +114,23 @@ function fetchCustomHeadContent() {
     return headContentLines.slice(startLineIndex + 1, endLineIndex).join('\n');
 }
 
+/**
+ * Setup a serializer filter for <br> tags to ensure they're not rendered
+ * within code blocks and that we use newlines there instead.
+ * @param {Editor} editor
+ */
+function setupBrFilter(editor) {
+    editor.serializer.addNodeFilter('br', function(nodes) {
+        for (const node of nodes) {
+            if (node.parent && node.parent.name === 'code') {
+                const newline = new tinymce.html.Node.create('#text');
+                newline.value = '\n';
+                node.replace(newline);
+            }
+        }
+    });
+}
+
 /**
  * @param {WysiwygConfigOptions} options
  * @return {function(Editor)}
@@ -131,6 +148,10 @@ function getSetupCallback(options) {
             window.editor = editor;
         });
 
+        editor.on('PreInit', () => {
+            setupBrFilter(editor);
+        });
+
         function editorChange() {
             const content = editor.getContent();
             if (options.darkMode) {
@@ -207,7 +228,7 @@ export function build(options) {
         statusbar: false,
         menubar: false,
         paste_data_images: false,
-        extended_valid_elements: 'pre[*],svg[*],div[drawio-diagram],details[*],summary[*],div[*],li[class]',
+        extended_valid_elements: 'pre[*],svg[*],div[drawio-diagram],details[*],summary[*],div[*],li[class|checked]',
         automatic_uploads: false,
         custom_elements: 'doc-root,code-block',
         valid_children: [