Don't add a number to undefined, which will give us NaN, which will J…

…SON.stringify to null
googlefonts · Dec 1, 2023 · ee450f9 · ee450f9
1 parent 3a9d6c2
commit ee450f9
Showing 1 changed file with 2 additions and 1 deletion.
diff --git a/src/fontra/views/editor/panel-selection-info.js b/src/fontra/views/editor/panel-selection-info.js
@@ -462,7 +462,8 @@ function applyNewValue(glyph, layerInfo, changePath, value, field, absolute) {
   return recordChanges(glyph, (glyph) => {
     const layers = glyph.layers;
     for (const { layerName, orgValue } of layerInfo) {
-      let newValue = delta === null ? value : orgValue + delta;
+      let newValue =
+        delta === null || orgValue === undefined ? value : orgValue + delta;
       if (isNumber) {
         newValue = maybeClampValue(newValue, field.minValue, field.maxValue);
       }