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src/shared/lib/format-korean-number.ts

@@ -0,0 +1,16 @@
+export const formatKoreanNumber = (num: number): string => {
+  const units = ['', '만', '억', '조', '경', '해'];
+  let result = '';
+  let unitIndex = 0;
+
+  while (num > 0) {
+    const part = num % 10000;
+    if (part != 0) {
+      result = `${part.toLocaleString()}${units[unitIndex]}${result}`;
+    }
+    num = Math.floor(num / 10000);
+    unitIndex++;
+  }
+
+  return result;
+};