Fix

app/shortcut-utils.js

@@ -0,0 +1,55 @@
+'use strict';
+
+(function attachShortcutUtils(root, factory) {
+  const api = factory();
+  if (typeof module !== 'undefined' && module.exports) {
+    module.exports = api;
+  }
+  if (root) {
+    root.StepForgeShortcuts = api;
+  }
+})(typeof globalThis !== 'undefined' ? globalThis : this, () => {
+  function hasZoomModifier(source) {
+    return Boolean(source && (source.ctrlKey || source.metaKey || source.control || source.meta));
+  }
+
+  function zoomShortcutFromSource(source) {
+    if (!hasZoomModifier(source)) return null;
+
+    const key = String(source.key || '');
+    const code = String(source.code || '');
+    const shiftKey = Boolean(source.shiftKey || source.shift);
+
+    if (key === '0' || code === 'Digit0' || code === 'Numpad0') return 'fit';
+
+    if (
+      key === '+' || key === '=' || key === 'Add' || key === 'Plus' ||
+      code === 'Equal' || code === 'NumpadAdd' ||
+      (key === '=' && shiftKey) || (code === 'Equal' && shiftKey)
+    ) {
+      return 'in';
+    }
+
+    if (
+      key === '-' || key === '_' || key === 'Subtract' || key === 'Minus' ||
+      code === 'Minus' || code === 'NumpadSubtract'
+    ) {
+      return 'out';
+    }
+
+    return null;
+  }
+
+  function zoomShortcutFromKeyboardEvent(event) {
+    return zoomShortcutFromSource(event);
+  }
+
+  function zoomShortcutFromInputEvent(input) {
+    return zoomShortcutFromSource(input);
+  }
+
+  return {
+    zoomShortcutFromInputEvent,
+    zoomShortcutFromKeyboardEvent,
+  };
+});