Fix exceptions for empty lines

2025-09-16 13:59:54 +02:00 · 2023-05-29 21:00:37 +08:00
parent 38d9ebc5da
commit ce9bdcc53f
2 changed files with 13 additions and 0 deletions
--- a/packages/mermaid/src/utils.ts
+++ b/packages/mermaid/src/utils.ts
@@ -764,6 +764,9 @@ export const calculateTextDimensions: (
      let cheight = 0;
      const dim = { width: 0, height: 0, lineHeight: 0 };
      for (const line of lines) {
+        if (!line) {
+          continue;
+        }
        const textObj = getTextObj();
        textObj.text = line;
        const textElem = drawSimpleText(g, textObj)