function MainComponent() { const [channelName, setChannelName] = React.useState(''); const [subscriberCount, setSubscriberCount] = React.useState(''); const [growthRate, setGrowthRate] = React.useState(''); const handleSubmit = async (event)=>{ event.preventDefault(); const channelUrl = event.target.channelUrl.value; if (!channelUrl) { alert("URLを入力してください。"); return; } try { const response = await fetch(`/api/scrape?channelUrl=${encodeURIComponent(channelUrl)}`); const data = await response.json(); setChannelName(data.channelName); setSubscriberCount(data.subscriberCount); setGrowthRate(data.growthRate); } catch (error) { console.error("Error fetching data:", error); alert("データの取得に失敗しました。"); } }; return /*#__PURE__*/ React.createElement("div", { className: "min-h-screen bg-[#fafafa] flex flex-col items-center py-10", __source: { fileName: "", lineNumber: 30, columnNumber: 5 }, __self: this }, /*#__PURE__*/ React.createElement("h1", { className: "text-3xl font-bold text-[#ff0000] mb-5", __source: { fileName: "", lineNumber: 31, columnNumber: 7 }, __self: this }, "YouTubeチャンネル登録者数チェッカー"), /*#__PURE__*/ React.createElement("form", { className: "flex flex-col items-center w-full max-w-[500px] px-4", onSubmit: handleSubmit, __source: { fileName: "", lineNumber: 32, columnNumber: 7 }, __self: this }, /*#__PURE__*/ React.createElement("input", { type: "text", name: "channelUrl", placeholder: "YouTubeチャンネルURL", className: "w-full p-2 border border-gray-300 rounded mt-2", __source: { fileName: "", lineNumber: 33, columnNumber: 9 }, __self: this }), /*#__PURE__*/ React.createElement("button", { type: "submit", className: "bg-[#ff0000] text-white font-bold py-2 px-4 rounded hover:bg-[#cc0000] mt-4", __source: { fileName: "", lineNumber: 39, columnNumber: 9 }, __self: this }, "登録者数をチェック")), /*#__PURE__*/ React.createElement("div", { className: "mt-10 w-full max-w-[500px] px-4", __source: { fileName: "", lineNumber: 46, columnNumber: 7 }, __self: this }, /*#__PURE__*/ React.createElement("h2", { className: "text-xl font-bold text-[#333] mb-3", __source: { fileName: "", lineNumber: 47, columnNumber: 9 }, __self: this }, "チェック結果:"), /*#__PURE__*/ React.createElement("div", { className: "bg-white shadow rounded p-4", __source: { fileName: "", lineNumber: 48, columnNumber: 9 }, __self: this }, /*#__PURE__*/ React.createElement("p", { className: "text-lg font-semibold", __source: { fileName: "", lineNumber: 49, columnNumber: 11 }, __self: this }, "チャンネル名: ", /*#__PURE__*/ React.createElement("span", { className: "text-gray-700", __source: { fileName: "", lineNumber: 49, columnNumber: 56 }, __self: this }, channelName)), /*#__PURE__*/ React.createElement("p", { className: "text-lg font-semibold mt-2", __source: { fileName: "", lineNumber: 50, columnNumber: 11 }, __self: this }, "現在の登録者数: ", /*#__PURE__*/ React.createElement("span", { className: "text-gray-700", __source: { fileName: "", lineNumber: 50, columnNumber: 62 }, __self: this }, subscriberCount)), /*#__PURE__*/ React.createElement("p", { className: "text-lg font-semibold mt-2", __source: { fileName: "", lineNumber: 51, columnNumber: 11 }, __self: this }, "増加推移: ", /*#__PURE__*/ React.createElement("span", { className: "text-gray-700", __source: { fileName: "", lineNumber: 51, columnNumber: 59 }, __self: this }, growthRate), " 人/日")))); }