post.utilsの追加

src/app/(menu)/_utils/post.utils.spec.ts

@@ -0,0 +1,53 @@
+import { UserPost } from '@cuculus/cuculus-api';
+import { isQuotedRepost, isRepost } from '@/app/(menu)/_utils/post.utils';
+
+describe('PostUtils Integration Test', () => {
+  // 通常の投稿
+  const post = {
+    id: '2',
+    text: 'Hello.',
+    originalPostId: undefined,
+  } as UserPost;
+
+  // リポスト
+  const repost = {
+    id: '3',
+    text: undefined,
+    originalPostId: '1',
+  } as UserPost;
+
+  // 引用リポスト
+  const quotedRepost = {
+    id: '4',
+    text: 'Hello.',
+    originalPostId: '1',
+  } as UserPost;
+
+  describe('リポストかどうか', () => {
+    it('通常の投稿', () => {
+      expect(isRepost(post)).toBe(false);
+    });
+
+    it('リポスト', () => {
+      expect(isRepost(repost)).toBe(true);
+    });
+
+    it('引用リポスト', () => {
+      expect(isRepost(quotedRepost)).toBe(false);
+    });
+  });
+
+  describe('引用リポストかどうか', () => {
+    it('通常の投稿', () => {
+      expect(isQuotedRepost(post)).toBe(false);
+    });
+
+    it('リポスト', () => {
+      expect(isQuotedRepost(repost)).toBe(false);
+    });
+
+    it('引用リポスト', () => {
+      expect(isQuotedRepost(quotedRepost)).toBe(true);
+    });
+  });
+});

src/app/(menu)/_utils/post.utils.ts

@@ -0,0 +1,17 @@
+import { UserPost } from '@cuculus/cuculus-api';
+
+/**
+ * リポストか否か
+ * @param post
+ */
+export function isRepost(post: UserPost): boolean {
+  return post.originalPostId !== undefined && !post.text;
+}
+
+/**
+ * 引用リポストか否か
+ * @param post
+ */
+export function isQuotedRepost(post: UserPost): boolean {
+  return post.originalPostId !== undefined && post.text !== undefined;
+}