fix text in viewer

src/pages/editor/utils/textStyle.ts

@@ -0,0 +1,27 @@
+/** CSS font-weight values that match irancell @font-face declarations. */
+export const getCssFontWeight = (fontWeight?: string): number => {
+  if (!fontWeight || fontWeight === "normal") return 300;
+  if (fontWeight === "bold" || fontWeight === "bolder") return 600;
+
+  const n = parseInt(fontWeight, 10);
+  if (!Number.isNaN(n)) {
+    if (n >= 600) return 600;
+    if (n <= 200) return 200;
+    return 300;
+  }
+
+  return 300;
+};
+
+export const isSingleLineText = (text?: string): boolean => !text?.includes("\n");
+
+/** Scaled width for viewer text; adds slack so CSS does not wrap tighter than Konva. */
+export const getScaledTextWidth = (
+  width: number | undefined,
+  scale: number,
+  singleLine: boolean,
+): number | undefined => {
+  if (!width) return undefined;
+  const scaled = Math.ceil(width * scale);
+  return singleLine ? scaled + 2 : scaled;
+};