From f34dd371ab799753202cab361704ebd42bf3056b Mon Sep 17 00:00:00 2001
From: shlee9999 <95556588+shlee9999@users.noreply.github.com>
Date: Mon, 30 Sep 2024 12:36:15 +0900
Subject: [PATCH] Feat: replaceTextProperties

---
 src/hooks/useFetch.ts               |  3 ++-
 src/utils/extractInnermostValues.ts | 35 +++++++++++++++++++++++++++++
 2 files changed, 37 insertions(+), 1 deletion(-)
 create mode 100644 src/utils/extractInnermostValues.ts

diff --git a/src/hooks/useFetch.ts b/src/hooks/useFetch.ts
index e16e756..82a6d3c 100644
--- a/src/hooks/useFetch.ts
+++ b/src/hooks/useFetch.ts
@@ -1,3 +1,4 @@
+import replaceTextProperties from '@/utils/extractInnermostValues';
 import { useEffect, useState } from 'react';
 import { xml2json } from 'xml-js';
 
@@ -17,7 +18,7 @@ export default function useFetch<T>(url: string) {
         const response = await fetch(url);
         const xmlText = await response.text();
         const jsonData = JSON.parse(xml2json(xmlText, { compact: true, spaces: 2 }));
-        setData(jsonData);
+        setData(replaceTextProperties<T>(jsonData));
       } catch (error) {
         console.error('Error fetching data:', error);
       } finally {
diff --git a/src/utils/extractInnermostValues.ts b/src/utils/extractInnermostValues.ts
new file mode 100644
index 0000000..962ba8a
--- /dev/null
+++ b/src/utils/extractInnermostValues.ts
@@ -0,0 +1,35 @@
+/**
+ * 객체의 '_text' 속성을 해당 값으로 대체하는 함수
+ *
+ * @template T - 입력 객체의 타입
+ * @param {T} obj - 가장 안쪽의 값을 추출할 객체
+ * @returns {T} '_text' 속성이 해당 값으로 대체된 입력 객체와 동일한 구조의 새로운 객체
+ */
+export default function replaceTextProperties<T>(obj: T): T {
+  if (typeof obj !== 'object' || obj === null) {
+    return obj;
+  }
+
+  if (Array.isArray(obj)) {
+    return obj.map(replaceTextProperties) as unknown as T;
+  }
+
+  if (obj && typeof obj === 'object' && '_text' in obj) {
+    const textValue = obj._text;
+    if (typeof textValue === 'string') {
+      const parsedValue = +textValue;
+      if (!isNaN(parsedValue)) {
+        return parsedValue as T;
+      }
+    }
+    return textValue as T;
+  }
+
+  const result: { [key: string]: T[keyof T] } = {};
+
+  for (const [key, value] of Object.entries(obj)) {
+    result[key] = replaceTextProperties(value);
+  }
+
+  return result as T;
+}