Initial commit

frontend/src/components/FeedList.tsx

@@ -0,0 +1,45 @@
+import React, { useEffect, useState } from "react";
+
+export default function FeedList() {
+  const [feeds, setFeeds] = useState<string[]>([]);
+  const [newUrl, setNewUrl] = useState("");
+
+  useEffect(() => {
+    fetch("/api/feeds")
+      .then((res) => res.json())
+      .then((data) => setFeeds(data));
+  }, []);
+
+  const addFeed = async () => {
+    if (!newUrl) return;
+    await fetch("/api/feeds", {
+      method: "POST",
+      headers: { "Content-Type": "application/json" },
+      body: JSON.stringify({ feedUrl: newUrl }),
+    });
+    setNewUrl("");
+    const updated = await fetch("/api/feeds").then((res) => res.json());
+    setFeeds(updated);
+  };
+
+  return (
+    <div>
+      <h2>RSSフィード管理</h2>
+      <ul>
+        {feeds.map((url) => (
+          <li key={url}>{url}</li>
+        ))}
+      </ul>
+      <input
+        type="text"
+        placeholder="RSSフィードURLを入力"
+        value={newUrl}
+        onChange={(e) => setNewUrl(e.target.value)}
+        style={{ width: "300px" }}
+      />
+      <button onClick={addFeed} style={{ marginLeft: "8px" }}>
+        追加
+      </button>
+    </div>
+  );
+}