Extract calculateRatingFromHover function from RatingWidget.ts

src/editor-extension/RatingWidget/calculateRatingFromHover.ts

@@ -0,0 +1,35 @@
+import { isFullOnlySymbol } from '../../utils/isFullOnlySymbol';
+
+/**
+ * Calculate rating from hover position with full-only validation
+ */
+export function calculateRatingFromHover(
+  event: MouseEvent, 
+  span: HTMLElement, 
+  symbolIndex: number, 
+  symbolSet: any
+): number {
+  const isFullOnly = isFullOnlySymbol(symbolSet);
+  
+  // For full-only symbols, don't support half ratings and enforce minimum rating of 1
+  if (isFullOnly) {
+    return Math.max(1, symbolIndex + 1);
+  }
+  
+  if (!symbolSet.half) {
+    // No half-symbol support, return full symbol rating
+    return symbolIndex + 1;
+  }
+  
+  const rect = span.getBoundingClientRect();
+  const relativeX = event.clientX - rect.left;
+  const symbolWidth = rect.width;
+  const position = relativeX / symbolWidth;
+  
+  // More responsive half-symbol detection for hover
+  if (position <= 0.5) {
+    return symbolIndex + 0.5;
+  } else {
+    return symbolIndex + 1;
+  }
+}