{"id":17066,"date":"2023-11-16T11:29:43","date_gmt":"2023-11-16T02:29:43","guid":{"rendered":"https:\/\/sendgrid.kke.co.jp\/blog\/?p=17066"},"modified":"2023-11-16T11:29:43","modified_gmt":"2023-11-16T02:29:43","slug":"next-js-app-router%e3%81%a8server-actions%e3%82%92%e4%bd%bf%e3%81%a3%e3%81%a6%e3%83%a1%e3%83%bc%e3%83%ab%e3%82%92%e9%80%81%e3%82%8b%e3%83%95%e3%82%a9%e3%83%bc%e3%83%a0%e3%82%92%e4%bd%9c%e6%88%90","status":"publish","type":"post","link":"https:\/\/sendgrid.kke.co.jp\/blog\/?p=17066","title":{"rendered":"Next.js App Router\u3068Server Actions\u3092\u4f7f\u3063\u3066\u30e1\u30fc\u30eb\u3092\u9001\u308b\u30d5\u30a9\u30fc\u30e0\u3092\u4f5c\u6210\u3059\u308b"},"content":{"rendered":"

\"Next.js<\/p>\n

Next.js\u306eServer Actions\u306f\u3001\u30d5\u30a9\u30fc\u30e0\u9001\u4fe1\u306a\u3069\u306e\u30af\u30e9\u30a4\u30a2\u30f3\u30c8\u30b5\u30a4\u30c9\u306e\u30a4\u30d9\u30f3\u30c8\u304b\u3089\u3001\u30b5\u30fc\u30d0\u30fc\u30b5\u30a4\u30c9\u306e\u51e6\u7406\u3092\u76f4\u63a5\u547c\u3073\u51fa\u3059\u6a5f\u80fd\u3067\u3059\u3002
\n\u30d5\u30a9\u30fc\u30e0\u3092\u5b9f\u88c5\u3059\u308b\u5834\u5408\u3001\u901a\u5e38\u306f\/api\/call\u306e\u3088\u3046\u306a\u30a8\u30f3\u30c9\u30dd\u30a4\u30f3\u30c8\u3092\u30a2\u30d7\u30ea\u30b1\u30fc\u30b7\u30e7\u30f3\u5185\u306b\u5b9a\u7fa9\u3057\u3066\u30b5\u30fc\u30d0\u30b5\u30a4\u30c9\u306e\u51e6\u7406\u3092\u8a18\u8ff0\u3057\u307e\u3059\u304c\u3001Server Actions\u3067\u306f\u3001\u305d\u306e\u3088\u3046\u306a\u5b9a\u7fa9\u3092\u305b\u305a\u306b\u7c21\u5358\u306b\u51e6\u7406\u3092\u66f8\u3051\u307e\u3059\u3002<\/p>\n

Server Actions\u306f\u30012023\u5e7410\u6708\u672b\u306b\u30ea\u30ea\u30fc\u30b9\u3055\u308c\u305fNext.js 14\u3067stable<\/a>\u3068\u306a\u308a\u307e\u3057\u305f\u3002\u4eca\u56de\u306f\u3053\u306e\u6a5f\u80fd\u3092\u7528\u3044\u3001\u30d5\u30a9\u30fc\u30e0\u3092\u9001\u4fe1\u3057\u305f\u3089Twilio SendGrid\u304b\u3089\u30e1\u30fc\u30eb\u304c\u9001\u3089\u308c\u308b\u51e6\u7406\u306e\u5b9f\u88c5\u4f8b\u3092\u7d39\u4ecb\u3057\u307e\u3059\u3002<\/p>\n

\u306a\u304a\u3001Server Actions\u306fNext.js\u306eApp Router\u3067\u5229\u7528\u3059\u308b\u3053\u3068\u304c\u524d\u63d0\u3067\u3059\u3002\u4ee5\u524d\u306ePages Router\u3067\u540c\u69d8\u306e\u30d5\u30a9\u30fc\u30e0\u3092\u4f5c\u6210\u3059\u308b\u65b9\u6cd5\u306f\u904e\u53bb\u306e\u30d6\u30ed\u30b0\u8a18\u4e8b<\/a>\u3067\u7d39\u4ecb\u3057\u3066\u3044\u308b\u306e\u3067\u305d\u3061\u3089\u3092\u3054\u53c2\u7167\u304f\u3060\u3055\u3044\u3002<\/p>\n

\u4f5c\u6210\u3059\u308b\u30a2\u30d7\u30ea\u30b1\u30fc\u30b7\u30e7\u30f3\u306e\u69cb\u6210\u306f\u3001Pages Router\u7248\u306e\u8a18\u4e8b\u3068\u540c\u3058\u304f\u4ee5\u4e0b\u306e\u56f3\u306e\u3068\u304a\u308a\u3067\u3059\u3002<\/p>\n

\"Next.js\u3068Vercel\u3067\u4f5c\u3063\u305f\u30d5\u30a9\u30fc\u30e0\u304b\u3089SendGrid\u3067\u30e1\u30fc\u30eb\u9001\u4fe1\u3059\u308b\u65b9\u6cd5\"<\/p>\n

\u4eca\u56de\u3082\u524d\u56de\u540c\u69d8Vercel\u306b\u30c7\u30d7\u30ed\u30a4\u3057\u307e\u3059\u3002\u3042\u3089\u304b\u3058\u3081\u3001Vercel\u30a2\u30ab\u30a6\u30f3\u30c8\u306e\u65b0\u898f\u767b\u9332<\/a>\u3068Vercel CLI<\/a>\u306e\u30a4\u30f3\u30b9\u30c8\u30fc\u30eb\u3092\u6e08\u307e\u305b\u3066\u304f\u3060\u3055\u3044\u3002<\/p>\n

\u57fa\u672c\u306e\u5b9f\u88c5\u624b\u9806<\/h3>\n

\u521d\u671f\u30bb\u30c3\u30c8\u30a2\u30c3\u30d7<\/h4>\n

\u307e\u305a\u3001Next.js\u30a2\u30d7\u30ea\u30b1\u30fc\u30b7\u30e7\u30f3\u3092\u65b0\u898f\u4f5c\u6210\u3057\u307e\u3059\u3002<\/p>\n

\r\nnpx create-next-app@latest\r\n<\/pre>\n
\u65b0\u898f\u4f5c\u6210\u306e\u969b\u306b\u805e\u304b\u308c\u308b\u30aa\u30d7\u30b7\u30e7\u30f3\u306f\u5168\u3066\u30c7\u30d5\u30a9\u30eb\u30c8\u306e\u307e\u307e\u3067\u69cb\u3044\u307e\u305b\u3093\u3002\u4eca\u56de\u5b9f\u88c5\u306b\u7528\u3044\u305fNext.js\u306e\u30d0\u30fc\u30b8\u30e7\u30f3\u306f14.0.1\u3067\u3059\u3002\u8a00\u8a9e\u306b\u306fTypeScript\u3092\u7528\u3044\u3001\u30b9\u30bf\u30a4\u30ea\u30f3\u30b0\u306b\u306fTailwind CSS\u3092\u4f7f\u3044\u307e\u3059\u3002<\/p>\n
\u4e0a\u306e\u64cd\u4f5c\u306b\u3088\u308a\u3044\u304f\u3064\u304b\u30d5\u30a1\u30a4\u30eb\u304c\u4f5c\u6210\u3055\u308c\u307e\u3059\u304c\u3001\u6700\u521d\u306bapp\/globals.css<\/span>\u3092\u7de8\u96c6\u3057\u307e\u3059\u3002<\/p>\n
\r\n@tailwind base;\r\n@tailwind components;\r\n@tailwind utilities;\r\n<\/pre>\n
\u4e0a\u8a18\u306e\u3088\u3046\u306b\u30014\u884c\u76ee\u4ee5\u964d\u3092\u5168\u3066\u524a\u9664\u3057\u3066\u4f59\u8a08\u306a\u30b9\u30bf\u30a4\u30eb\u304c\u9069\u7528\u3055\u308c\u306a\u3044\u3088\u3046\u306b\u3057\u307e\u3059\u3002<\/p>\n
Web\u30a2\u30d7\u30ea\u30b1\u30fc\u30b7\u30e7\u30f3\u306etitle<\/span>\u3068description<\/span>\u306fapp\/layout.tsx<\/span>\u3067\u5b9a\u7fa9\u3055\u308c\u3066\u3044\u308bmetadata<\/span>\u3067\u5909\u66f4\u53ef\u80fd\u3067\u3059\u3002<\/p>\n
\r\nexport const metadata: Metadata = {\r\n  title: "SendGrid\u3092\u4f7f\u3063\u305f\u30d5\u30a9\u30fc\u30e0\u9001\u4fe1",\r\n  description: "Next.js Server Actions\u3068SendGrid\u3092\u4f7f\u3063\u305f\u30d5\u30a9\u30fc\u30e0\u9001\u4fe1\u306e\u30b5\u30f3\u30d7\u30eb\u3067\u3059\u3002",\r\n}\r\n<\/pre>\n
\u4ee5\u4e0b\u306e\u30b3\u30de\u30f3\u30c9\u3092\u5b9f\u884c\u3059\u308b\u3068\u30ed\u30fc\u30ab\u30eb\u74b0\u5883\u3067\u6319\u52d5\u304c\u78ba\u8a8d\u3067\u304d\u307e\u3059\u3002<\/p>\n
\r\nnpm run dev\r\n<\/pre>\n
\u4eca\u56de\u306f\u3001\u3053\u306e\u6642\u70b9\u3067\u4e00\u65e6Vercel\u306b\u30c7\u30d7\u30ed\u30a4\u3057\u3066\u307f\u307e\u3057\u3087\u3046\u3002
\nvercel<\/span>\u30b3\u30de\u30f3\u30c9\u3092\u5b9f\u884c\u3057\u307e\u3059\u3002\u8a8d\u8a3c\u304c\u6c42\u3081\u3089\u308c\u305f\u3089Vercel\u306e\u30a2\u30ab\u30a6\u30f3\u30c8\u3067\u30ed\u30b0\u30a4\u30f3\u3057\u3066\u304f\u3060\u3055\u3044\u3002<\/p>\n
\r\nvercel\r\n<\/pre>\n
\u767a\u884c\u3055\u308c\u305fURL\u306b\u30a2\u30af\u30bb\u30b9\u3057\u3066\u3001\u30ed\u30fc\u30ab\u30eb\u74b0\u5883\u3067\u78ba\u8a8d\u3067\u304d\u305f\u3082\u306e\u3068\u540c\u3058\u30da\u30fc\u30b8\u304c\u8868\u793a\u3055\u308c\u305f\u3089\u30c7\u30d7\u30ed\u30a4\u306f\u6210\u529f\u3067\u3059\u3002<\/p>\n
UI\u306e\u4f5c\u6210<\/h4>\n
\u30a2\u30d7\u30ea\u30b1\u30fc\u30b7\u30e7\u30f3\u306e\u5b9f\u88c5\u306b\u79fb\u308a\u307e\u3059\u3002\u307e\u305a\u306fUI\u3092\u4f5c\u6210\u3057\u307e\u3059\u3002app\/page.tsx<\/span>\u3092\u4ee5\u4e0b\u306e\u3088\u3046\u306b\u7de8\u96c6\u3057\u3066\u304f\u3060\u3055\u3044\u3002<\/p>\n
\r\nexport default function Home() {\r\n  return (\r\n    <div className="max-w-md mx-auto mt-4 bg-white p-6 rounded shadow-md">\r\n      <h1 className="text-xl font-bold mb-4">\u304a\u554f\u3044\u5408\u308f\u305b\u30d5\u30a9\u30fc\u30e0<\/h1>\r\n      <form>\r\n        <div className="mb-4">\r\n          <label htmlFor="email" className="block text-sm font-medium text-gray-600">\u30e1\u30fc\u30eb\u30a2\u30c9\u30ec\u30b9<\/label>\r\n          <input type="email" id="email" name="email" required\r\n            className="mt-1 p-2 w-full border rounded-md"\/>\r\n        <\/div>\r\n        <div className="mb-4">\r\n          <label htmlFor="content" className="block text-sm font-medium text-gray-600">\u304a\u554f\u3044\u5408\u308f\u305b\u5185\u5bb9<\/label>\r\n          <textarea id="content" name="content" rows={4} required\r\n            className="mt-1 p-2 w-full border rounded-md"><\/textarea>\r\n        <\/div>\r\n        <div className="flex justify-center">\r\n          <button type="submit"\r\n            className="px-8 py-2 rounded text-white bg-blue-600 hover:bg-blue-700">\r\n            \u9001\u4fe1\r\n          <\/button>\r\n        <\/div>\r\n      <\/form>\r\n    <\/div>\r\n  )\r\n}\r\n<\/pre>\n
npm run dev<\/span>\u30b3\u30de\u30f3\u30c9\u3067\u3001\u30ed\u30fc\u30ab\u30eb\u74b0\u5883\u3067\u4ee5\u4e0b\u306e\u3088\u3046\u306a\u30d5\u30a9\u30fc\u30e0\u304c\u8868\u793a\u3067\u304d\u308c\u3070OK\u3067\u3059\u3002
\n\u4eca\u306f\u307e\u3060form<\/span>\u306eaction<\/span>\u3092\u6307\u5b9a\u3057\u3066\u3044\u306a\u3044\u306e\u3067\u3001\u9001\u4fe1\u30dc\u30bf\u30f3\u3092\u62bc\u3057\u3066\u3082\u4f55\u3082\u8d77\u3053\u308a\u307e\u305b\u3093\u3002\u3053\u3053\u306b\u3001SendGrid\u3067\u30e1\u30fc\u30eb\u9001\u4fe1\u3059\u308b\u51e6\u7406\u3092\u52a0\u3048\u3066\u3044\u304d\u307e\u3059\u3002<\/p>\n
\"UI\u306e\u4f5c\u6210\"<\/p>\n
SendGrid\u306eAPI\u30ad\u30fc\u306e\u8a2d\u5b9a<\/h4>\n
\u30e1\u30fc\u30eb\u9001\u4fe1\u306b\u5fc5\u8981\u306aSendGrid\u306eAPI\u30ad\u30fc\u3092\u4f5c\u6210<\/a>\u3057\u3066\u3001\u305d\u306e\u5024\u3092Vercel\u306e\u74b0\u5883\u5909\u6570\u3068\u3057\u3066\u767b\u9332\u3057\u307e\u3059\u3002\u767b\u9332\u306fVercel CLI\u3067\u53ef\u80fd\u3067\u3059\u3002<\/p>\n
\r\nvercel env add SENDGRID_API_KEY\r\n<\/pre>\n
\u3053\u306e\u30b3\u30de\u30f3\u30c9\u3092\u5b9f\u884c\u3059\u308b\u3068\u3001SENDGRID_API_KEY<\/span>\u3068\u3057\u3066\u767b\u9332\u3059\u308b\u5024\u3092\u805e\u304b\u308c\u308b\u306e\u3067\u3001\u4f5c\u6210\u3057\u305fAPI\u30ad\u30fc\u3092\u30b3\u30d4\u30fc\uff06\u30da\u30fc\u30b9\u30c8\u3057\u307e\u3059\u3002<\/p>\n
\u767b\u9332\u3057\u305f\u74b0\u5883\u5909\u6570\u306f\u3001Vercel CLI\u3067\u30ed\u30fc\u30ab\u30eb\u306bpull\u3067\u304d\u307e\u3059\u3002<\/p>\n
\r\nvercel env pull\r\n<\/pre>\n
\u30ed\u30fc\u30ab\u30eb\u306b.env.local<\/span>\u3068\u3044\u3046\u540d\u524d\u306e\u30d5\u30a1\u30a4\u30eb\u304c\u4f5c\u6210\u3055\u308c\u3066\u74b0\u5883\u5909\u6570\u304c\u683c\u7d0d\u3055\u308c\u307e\u3059\u3002<\/p>\n
\u30e1\u30fc\u30eb\u9001\u4fe1\u51e6\u7406\u306e\u5b9f\u88c5<\/h4>\n
\u30d5\u30a9\u30fc\u30e0\u306e\u300c\u9001\u4fe1\u300d\u30dc\u30bf\u30f3\u62bc\u4e0b\u5f8c\u306e\u51e6\u7406\u3092Server Actions\u3092\u7528\u3044\u3066\u5b9f\u88c5\u3057\u307e\u3059\u3002
\n\u5148\u307b\u3069\u7de8\u96c6\u3057\u305fapp\/page.tsx<\/span>\u306eHome<\/span>\u95a2\u6570\u306e\u4e2d\u306b\u3001\u975e\u540c\u671f\u95a2\u6570formAction<\/span>\u3092\u5b9a\u7fa9\u3057\u307e\u3057\u3087\u3046\u3002<\/p>\n
\r\nexport default function Home() {\r\n  async function formAction(formData: FormData) {\r\n    'use server';\r\n    const headers = new Headers([\r\n      ["Content-Type", "application\/json"],\r\n      ["Authorization", "Bearer " + process.env.SENDGRID_API_KEY ]\r\n    ]);\r\n    const requestBody = {\r\n      "personalizations": [\r\n        {\r\n          "to": [\r\n            {\r\n              "email": formData.get("email")\r\n            }\r\n          ]\r\n        }\r\n      ],\r\n      "subject": "\u304a\u554f\u3044\u5408\u308f\u305b\u3092\u53d7\u3051\u4ed8\u3051\u307e\u3057\u305f\u3002",\r\n      "from": {\r\n        "email": "service@example.com"\r\n      },\r\n      "content": [\r\n        {\r\n          "type": "text\/plain",\r\n          "value": "\u4ee5\u4e0b\u306e\u5185\u5bb9\u3067\u304a\u554f\u3044\u5408\u308f\u305b\u3092\u53d7\u3051\u4ed8\u3051\u307e\u3057\u305f\u3002\\r\\n------\\r\\n" + formData.get("content")\r\n        }\r\n      ]\r\n    };\r\n    const response = await fetch('https:\/\/api.sendgrid.com\/v3\/mail\/send', {\r\n      method: 'POST',\r\n      headers: headers,\r\n      body: JSON.stringify(requestBody)\r\n    });\r\n  }\r\nreturn ( \/\/ \u4ee5\u5f8c\u7565\r\n<\/pre>\n
\u5148\u982d\u306e\u884c\u306b‘use server’<\/span>\u3068\u66f8\u304f\u3053\u3068\u3067\u3001Server Actions\u3092\u4f7f\u3046\u3053\u3068\u3092\u5ba3\u8a00\u3057\u3066\u3044\u307e\u3059\u3002
\n\u3053\u306e\u95a2\u6570\u3067\u306f\u3001fetch<\/span>\u3092\u7528\u3044\u3066SendGrid\u306eMail Send API\u3092\u547c\u3073\u51fa\u3057\u3001\u554f\u3044\u5408\u308f\u305b\u8005\u306b\u8cea\u554f\u5185\u5bb9\u306e\u78ba\u8a8d\u30e1\u30fc\u30eb\u3092\u9001\u308b\u51e6\u7406\u3092\u5b9a\u7fa9\u3057\u3066\u3044\u307e\u3059\u3002Mail Send API\u306e\u8a73\u7d30\u306f\u5272\u611b\u3057\u307e\u3059\u304c\u3001\u30d1\u30e9\u30e1\u30fc\u30bf\u7b49\u306b\u3064\u3044\u3066\u306f\u30c9\u30ad\u30e5\u30e1\u30f3\u30c8<\/a>\u3092\u3054\u89a7\u304f\u3060\u3055\u3044\u3002<\/p>\n
\u307e\u305f\u3001\u623b\u308a\u5024\u306e\u4e2d\u306eform<\/span>\u30bf\u30b0\u306eaction<\/span>\u5c5e\u6027\u3067\u3001\u4e0a\u3067\u5b9a\u7fa9\u3057\u305f\u95a2\u6570\u3092\u6307\u5b9a\u3059\u308b\u3088\u3046\u5909\u66f4\u3057\u307e\u3059\u3002<\/p>\n
\r\n+      <form action={formAction}>\r\n-      <form>\r\n<\/pre>\n
\u3053\u308c\u3060\u3051\u3067\u30e1\u30fc\u30eb\u304c\u9001\u4fe1\u3055\u308c\u308b\u306f\u305a\u3067\u3059\u3002\u30d0\u30c3\u30af\u30a8\u30f3\u30c9\u306e\u51e6\u7406\uff08Mail Send API\u547c\u3073\u51fa\u3057\uff09\u3092\u30a2\u30d7\u30ea\u30b1\u30fc\u30b7\u30e7\u30f3\u5185\u3067API\u3068\u3057\u3066\u5b9a\u7fa9\u3059\u308b\u5fc5\u8981\u306f\u3042\u308a\u307e\u305b\u3093\u3002<\/p>\n
\u30ed\u30fc\u30ab\u30eb\u74b0\u5883\u3067\u81ea\u5206\u306e\u30e1\u30fc\u30eb\u30a2\u30c9\u30ec\u30b9\u3068\u9069\u5f53\u306a\u5185\u5bb9\u3092\u5165\u529b\u3057\u3066\u300c\u9001\u4fe1\u300d\u30dc\u30bf\u30f3\u3092\u62bc\u3057\u3001\u30e1\u30fc\u30eb\u304c\u5c4a\u304f\u3053\u3068\u3092\u78ba\u8a8d\u3057\u307e\u3057\u3087\u3046\u3002\u3082\u3046\u4e00\u5ea6production\u74b0\u5883\u306b\u30c7\u30d7\u30ed\u30a4\u3059\u308c\u3070\u3001\u6700\u521d\u306e\u30c7\u30d7\u30ed\u30a4\u3067\u767a\u884c\u3055\u308c\u305fURL\u3067\u3053\u306e\u30d5\u30a9\u30fc\u30e0\u304c\u52d5\u4f5c\u3059\u308b\u3088\u3046\u306b\u306a\u308a\u307e\u3059\u3002<\/p>\n
\r\nvercel --prod\r\n<\/pre>\n
\u3082\u3046\u4e00\u6b69\u5148\u306e\u5b9f\u88c5<\/h3>\n
\u4ee5\u4e0a\u306e\u30b9\u30c6\u30c3\u30d7\u3067\u6700\u4f4e\u9650\u306e\u30d5\u30a9\u30fc\u30e0\u3092\u4f5c\u6210\u3067\u304d\u307e\u3057\u305f\u3002\u3057\u304b\u3057\u3001\u300c\u9001\u4fe1\u300d\u30dc\u30bf\u30f3\u3092\u62bc\u3057\u3066\u3082\u753b\u9762\u4e0a\u306b\u4f55\u3082\u5909\u5316\u304c\u8d77\u3053\u3089\u306a\u3044\u305f\u3081\u3001\u6b63\u5e38\u306b\u30e1\u30fc\u30eb\u9001\u4fe1\u3055\u308c\u305f\u306e\u304b\u304c\u308f\u304b\u308a\u307e\u305b\u3093\u3002\u305d\u3053\u3067\u7c21\u5358\u306a\u6539\u5584\u4f8b\u3092\u7d39\u4ecb\u3057\u307e\u3059\u3002<\/p>\n
useFormState\u30d5\u30c3\u30af\u3092\u7528\u3044\u305f\u30d5\u30a9\u30fc\u30e0\u9001\u4fe1\u7d50\u679c\u306e\u8868\u793a<\/h4>\n
React\u306euseFormState<\/a>\u306f\u3001\u30d5\u30a9\u30fc\u30e0\u9001\u4fe1\u306e\u7d50\u679c\u306b\u57fa\u3065\u3044\u3066\u72b6\u614b\u3092\u7ba1\u7406\u3059\u308b\u3053\u3068\u304c\u3067\u304d\u308b\u30d5\u30c3\u30af\u3067\u3059\u3002\u3053\u308c\u3092\u5229\u7528\u3057\u3066\u3001\u30d5\u30a9\u30fc\u30e0\u9001\u4fe1\u304c\u6b63\u3057\u304f\u5b8c\u4e86\u3057\u305f\u304b\u3069\u3046\u304b\u3092\u753b\u9762\u4e0a\u306b\u8868\u793a\u3055\u305b\u307e\u3059\u3002<\/p>\n
useFormState\u30d5\u30c3\u30af\u306f\u30af\u30e9\u30a4\u30a2\u30f3\u30c8\u30b3\u30f3\u30dd\u30fc\u30cd\u30f3\u30c8\u3067\u306e\u307f\u52d5\u4f5c\u3059\u308b\u305f\u3081\u3001app\/page.tsx<\/span>\u30d5\u30a1\u30a4\u30eb\u306e\u5148\u982d\u306b‘use client’<\/span>\u30c7\u30a3\u30ec\u30af\u30c6\u30a3\u30d6\u3092\u8ffd\u52a0\u3059\u308b\u5fc5\u8981\u304c\u3042\u308a\u307e\u3059\u3002\u307e\u305f\u3001\u30af\u30e9\u30a4\u30a2\u30f3\u30c8\u30b3\u30f3\u30dd\u30fc\u30cd\u30f3\u30c8\u306e\u4e2d\u306bServer Actions\u3092\u66f8\u304f\u3053\u3068\u306f\u3067\u304d\u306a\u3044\u306e\u3067\u3001\u30e1\u30fc\u30eb\u9001\u4fe1\u3092\u884c\u3046\u95a2\u6570\u306f\u5225\u30d5\u30a1\u30a4\u30ebactions.ts<\/span>\u306e\u4e2d\u3067\u5b9a\u7fa9\u3057\u3001page.tsx<\/span>\u3067\u305d\u308c\u3092import\u3059\u308b\u3053\u3068\u306b\u3057\u307e\u3059\u3002<\/p>\n
\u518d\u5ea6app\/page.tsx<\/span>\u3092\u7de8\u96c6\u3057\u307e\u3059\u3002formAction<\/span>\u95a2\u6570\u3092\u524a\u9664\u3057\u3001\u4ee5\u4e0b\u306e\u30cf\u30a4\u30e9\u30a4\u30c8\u3057\u305f\u884c\u3092\u8ffd\u52a0\u3057\u307e\u3059\u3002<\/p>\n
\r\n'use client';\r\nimport { useFormState } from "react-dom";\r\nimport { submitInquiry } from ".\/actions"\r\n\r\nexport default function Home() {\r\n  const [formState, formAction] = useFormState(submitInquiry, {});\r\n\r\n  return (\r\n    \/\/ ...\r\n      <form action={formAction}>\r\n    \/\/ form\u306e\u6700\u5f8c\u306b\u4ee5\u4e0b\u3092\u8ffd\u52a0\r\n        <div className={`flex justify-center mt-4 ${formState.success ? '' : 'text-red-600'}`}>{formState.message}<\/div>\r\n      <\/form>\r\n    \/\/ ...\r\n<\/pre>\n
useFormState<\/span>\u306e\u5f15\u6570\u306b\u306f\u3001\u30d5\u30a9\u30fc\u30e0\u9001\u4fe1\u6642\u306b\u5b9f\u884c\u3055\u308c\u308b\u95a2\u6570\u3068\u3001\u521d\u671f\u72b6\u614b\u306e2\u3064\u304c\u5165\u308a\u307e\u3059\u3002\u3053\u3053\u3067\u306f\u521d\u671f\u72b6\u614b\u306f\u7a7a\u306e\u30aa\u30d6\u30b8\u30a7\u30af\u30c8\u3067\u3059\u3002Server Actions\u3067\u30e1\u30fc\u30eb\u9001\u4fe1\u3059\u308b\u95a2\u6570submitInquiry<\/span>\u3092\u3001app\/actions.ts<\/span>\u306e\u4e2d\u3067\u5b9a\u7fa9\u3057\u307e\u3059\u3002<\/p>\n
\r\n'use server';\r\n\r\ntype State = {\r\n  success?: boolean;\r\n  message?: string;\r\n};\r\n\r\nexport async function submitInquiry(prevState: State, formData: FormData) {\r\n  const headers = new Headers([\r\n    ["Content-Type", "application\/json"],\r\n    ["Authorization", "Bearer " + process.env.SENDGRID_API_KEY ]\r\n  ]);\r\n  const requestBody = {\r\n    "personalizations": [\r\n      {\r\n        "to": [\r\n          {\r\n            "email": formData.get("email")\r\n          }\r\n        ]\r\n      }\r\n    ],\r\n    "subject": "\u304a\u554f\u3044\u5408\u308f\u305b\u3092\u53d7\u3051\u4ed8\u3051\u307e\u3057\u305f\u3002",\r\n    "from": {\r\n      "email": "from@example.com"\r\n    },\r\n    "content": [\r\n      {\r\n        "type": "text\/plain",\r\n        "value": "\u4ee5\u4e0b\u306e\u5185\u5bb9\u3067\u304a\u554f\u3044\u5408\u308f\u305b\u3092\u53d7\u3051\u4ed8\u3051\u307e\u3057\u305f\u3002\\r\\n------\\r\\n" + formData.get("content")\r\n      }\r\n    ]\r\n  };\r\n  try {\r\n    const response = await fetch('https:\/\/api.sendgrid.com\/v3\/mail\/send', {\r\n      method: 'POST',\r\n      headers: headers,\r\n      body: JSON.stringify(requestBody)\r\n    });\r\n    if (response.ok) {\r\n      return { \r\n        success: true,\r\n        message: "\u304a\u554f\u3044\u5408\u308f\u305b\u3092\u53d7\u3051\u4ed8\u3051\u307e\u3057\u305f\u3002"\r\n      };\r\n    } else {\r\n      return { \r\n        success: false,\r\n        message: "\u304a\u554f\u3044\u5408\u308f\u305b\u306e\u9001\u4fe1\u306b\u5931\u6557\u3057\u307e\u3057\u305f\u3002"\r\n      };\r\n    }\r\n  } catch (e) {\r\n    return { \r\n      success: false,\r\n      message: "\u304a\u554f\u3044\u5408\u308f\u305b\u306e\u9001\u4fe1\u306b\u5931\u6557\u3057\u307e\u3057\u305f\u3002"\r\n    };\r\n  }\r\n}\r\n<\/pre>\n
\u7c21\u5358\u306b\u30b3\u30fc\u30c9\u306e\u5185\u5bb9\u3092\u8aac\u660e\u3057\u307e\u3059\u3002
\n\u307e\u305a\u3001\u5148\u982d\u306e\u884c\u3067‘use server’<\/span>\u30c7\u30a3\u30ec\u30af\u30c6\u30a3\u30d6\u3092\u5ba3\u8a00\u3057\u3066\u3044\u307e\u3059\u3002
\n\u6b21\u306b\u3001\u72b6\u614b\u3092State<\/span>\u578b\u3068\u3057\u3066\u5b9a\u7fa9\u3057\u3066\u3044\u307e\u3059\u3002\u30e1\u30fc\u30eb\u9001\u4fe1\u30ea\u30af\u30a8\u30b9\u30c8\u304c\u6210\u529f\u3057\u305f\u304b\u3069\u3046\u304b\u3092boolean\u3067\u8868\u3059success<\/span>\u3068\u3001\u753b\u9762\u4e0a\u306b\u8868\u793a\u3059\u308b\u6587\u5b57\u5217\u3092\u683c\u7d0d\u3059\u308bmessage<\/span>\u304b\u3089\u306a\u308b\u30aa\u30d6\u30b8\u30a7\u30af\u30c8\u3067\u3059\u3002
\n\u305d\u306e\u5f8c\u306b\u3001\u95a2\u6570submitInquiry<\/span>\u3092\u8a18\u8ff0\u3057\u3066\u3044\u307e\u3059\u3002useFormState<\/span>\u306e\u5f15\u6570\u306b\u6307\u5b9a\u3059\u308b\u3001\u30d5\u30a9\u30fc\u30e0\u9001\u4fe1\u6642\u306b\u5b9f\u884c\u3055\u308c\u308b\u95a2\u6570\u306f\u3001\u4ee5\u524d\u306e\u72b6\u614b\u3092\u7b2c\u4e00\u5f15\u6570\u306b\u3068\u308a\u3001\u30d5\u30a9\u30fc\u30e0\u3067\u9001\u4fe1\u3055\u308c\u308b\u30c7\u30fc\u30bf\u3092\u7b2c\u4e8c\u5f15\u6570\u306b\u3068\u308a\u307e\u3059\u3002
\n\u30e1\u30fc\u30eb\u9001\u4fe1\u51e6\u7406\u81ea\u4f53\u306f\u521d\u3081\u306e\u624b\u9806\u3067\u5b9f\u88c5\u3057\u305f\u6642\u3068\u540c\u3058\u3067\u3059\u304c\u3001Mail Send API\u306e\u5b9f\u884c\u7d50\u679c\u306b\u5fdc\u3058\u3066\u9069\u5207\u306aState<\/span>\u3092\u8fd4\u5374\u3057\u3066\u3044\u307e\u3059\u3002<\/p>\n
\u3053\u308c\u3067\u3001\u30d5\u30a9\u30fc\u30e0\u306e\u300c\u9001\u4fe1\u300d\u30dc\u30bf\u30f3\u62bc\u4e0b\u5f8c\u306b\u3001\u300c\u304a\u554f\u3044\u5408\u308f\u305b\u3092\u53d7\u3051\u4ed8\u3051\u307e\u3057\u305f\u3002\u300d\u3082\u3057\u304f\u306f\u300c\u304a\u554f\u3044\u5408\u308f\u305b\u306e\u9001\u4fe1\u306b\u5931\u6557\u3057\u307e\u3057\u305f\u3002\u300d\u304c\u8868\u793a\u3055\u308c\u308b\u3088\u3046\u306b\u306a\u308a\u307e\u3059\u3002<\/p>\n
useFormStatus\u30d5\u30c3\u30af\u3092\u7528\u3044\u305f\u9001\u4fe1\u72b6\u614b\u306e\u8868\u793a<\/h4>\n
React\u306euseFormStatus<\/a>\u30d5\u30c3\u30af\u3092\u4f7f\u3048\u3070\u3001\u30d5\u30a9\u30fc\u30e0\u9001\u4fe1\u4e2d\u306e\u72b6\u614b\u3092\u753b\u9762\u306b\u8868\u793a\u3059\u308b\u3053\u3068\u304c\u3067\u304d\u307e\u3059\u3002<\/p>\n
app\/page.tsx<\/span>\u3067useFormStatus<\/span>\u3092import\u3057\u3001\u9001\u4fe1\u30dc\u30bf\u30f3\u306e\u30b3\u30f3\u30dd\u30fc\u30cd\u30f3\u30c8\u3092Submit<\/span>\u95a2\u6570\u3068\u3057\u3066\u5207\u308a\u51fa\u3057\u3066\u5b9a\u7fa9\u3057\u307e\u3059\u3002
\nuseFormStatus<\/span>\u306e\u623b\u308a\u5024\u3068\u3057\u3066\u5909\u6570pending<\/span>\u3092\u53d7\u3051\u53d6\u308a\u3001\u305d\u306e\u5024\uff08true<\/span>\u307e\u305f\u306ffalse<\/span>\uff09\u306b\u5fdc\u3058\u3066\u30dc\u30bf\u30f3\u306e\u8272\u3068\u8868\u793a\u3055\u308c\u308b\u6587\u5b57\u5217\u3092\u5909\u3048\u3066\u3044\u307e\u3059\u3002<\/p>\n
\r\nimport { useFormState, useFormStatus } from "react-dom";  \/\/ useFormStatus\u3092import\r\n\r\nfunction Submit() {\r\n  const { pending } = useFormStatus();\r\n  return (\r\n    <button type="submit"\r\n      className={`px-8 py-2 rounded text-white ${pending ? "bg-gray-500 cursor-not-allowed" : "bg-blue-600 hover:bg-blue-700"}`}\r\n      disabled={pending}\r\n    >\r\n      {pending ? "\u9001\u4fe1\u4e2d..." : "\u9001\u4fe1"}\r\n    <\/button>\r\n)\r\n}\r\n<\/pre>\n
\u6700\u5f8c\u306b\u3001app\/page.tsx<\/span>\u306eHome<\/span>\u306e\u623b\u308a\u5024\u306e\u4e2d\u306b\u3042\u308bbutton<\/span>\u30bf\u30b0\u3092\u3001\u4e0a\u3067\u5b9a\u7fa9\u3057\u305fSubmit<\/span>\u306b\u7f6e\u304d\u63db\u3048\u307e\u3059\u3002<\/p>\n
\r\n+ <Submit \/>\r\n- <button type="submit"\r\n-   className="px-8 py-2 rounded text-white bg-blue-600 hover:bg-blue-700">\r\n-   \u9001\u4fe1\r\n- <\/button>\r\n<\/pre>\n
\u3053\u308c\u3067\u3001\u30dc\u30bf\u30f3\u62bc\u4e0b\u6642\u306b\u30dc\u30bf\u30f3\u306e\u8272\u304c\u5909\u308f\u308a\u3001\u6587\u5b57\u304c\u300c\u9001\u4fe1\u4e2d…\u300d\u306b\u5909\u308f\u308b\u3088\u3046\u306b\u306a\u308a\u307e\u3057\u305f\uff01<\/p>\n
\"useFormStatus\u30d5\u30c3\u30af\u3092\u7528\u3044\u305f\u9001\u4fe1\u72b6\u614b\u306e\u8868\u793a\"<\/p>\n
\u304a\u308f\u308a\u306b<\/h3>\n
Next.js\u306eApp Router\u3068Server Actions\u3092\u4f7f\u3063\u3066\u3001SendGrid\u3067\u30e1\u30fc\u30eb\u9001\u4fe1\u3059\u308b\u30d5\u30a9\u30fc\u30e0\u306e\u5b9f\u88c5\u4f8b\u3092\u3054\u7d39\u4ecb\u3057\u307e\u3057\u305f\u3002Server Actions\u306e\u767b\u5834\u306b\u3088\u308a\u3001\u30d5\u30ed\u30f3\u30c8\u30a8\u30f3\u30c9\u3068\u30d0\u30c3\u30af\u30a8\u30f3\u30c9\u306e\u9023\u643a\u304c\u3088\u308a\u7c21\u5358\u306b\uff08\u66d6\u6627\u306b\uff1f\uff09\u306a\u3063\u3066\u3044\u304f\u3068\u601d\u308f\u308c\u307e\u3059\u3002
\nNext.js\u3067\u30e1\u30fc\u30eb\u9001\u4fe1\u6a5f\u80fd\u3092\u5b9f\u88c5\u3059\u308b\u969b\u306f\u3001\u304a\u624b\u8efd\u306bAPI\u9023\u643a\u3067\u304d\u308bSendGrid\u3092\u305c\u3072\u304a\u4f7f\u3044\u304f\u3060\u3055\u3044\u3002<\/p>\n","protected":false},"excerpt":{"rendered":"
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