X-Git-Url: http://source.bookstackapp.com/bookstack/blobdiff_plain/18ede9bbd3bef5e7b82ae52c0dac2a26fe2c24fd..refs/pull/5689/head:/resources/js/services/dom.ts

diff --git a/resources/js/services/dom.ts b/resources/js/services/dom.ts
index 661ed7ca3..c3817536c 100644
--- a/resources/js/services/dom.ts
+++ b/resources/js/services/dom.ts
@@ -225,7 +225,7 @@ export function findTargetNodeAndOffset(parentNode: HTMLElement, offset: number)
         if (currentNode.nodeType === Node.TEXT_NODE) {
             // For text nodes, count the length of their content
             // Returns if within range
-            const textLength = currentNode.textContent.length;
+            const textLength = (currentNode.textContent || '').length;
             if (currentOffset + textLength >= offset) {
                 return {
                     node: currentNode,
@@ -237,9 +237,9 @@ export function findTargetNodeAndOffset(parentNode: HTMLElement, offset: number)
         } else if (currentNode.nodeType === Node.ELEMENT_NODE) {
             // Otherwise, if an element, track the text length and search within
             // if in range for the target offset
-            const elementTextLength = currentNode.textContent.length;
+            const elementTextLength = (currentNode.textContent || '').length;
             if (currentOffset + elementTextLength >= offset) {
-                return findTargetNodeAndOffset(currentNode, offset - currentOffset);
+                return findTargetNodeAndOffset(currentNode as HTMLElement, offset - currentOffset);
             }
 
             currentOffset += elementTextLength;
@@ -251,9 +251,9 @@ export function findTargetNodeAndOffset(parentNode: HTMLElement, offset: number)
 }
 
 /**
- * Create a hash for the given HTML element.
+ * Create a hash for the given HTML element content.
  */
 export function hashElement(element: HTMLElement): string {
-    const normalisedElemHtml = element.outerHTML.replace(/\s{2,}/g, '');
-    return cyrb53(normalisedElemHtml);
+    const normalisedElemText = (element.textContent || '').replace(/\s{2,}/g, '');
+    return cyrb53(normalisedElemText);
 }
\ No newline at end of file