{"id":2755,"date":"2023-08-06T08:40:22","date_gmt":"2023-08-05T23:40:22","guid":{"rendered":"https:\/\/www.agile-software.site\/?p=2755"},"modified":"2023-08-06T08:40:23","modified_gmt":"2023-08-05T23:40:23","slug":"next-js%e3%81%a8langchain%e3%81%a7%e8%87%aa%e5%8b%95%e3%82%bf%e3%82%b9%e3%82%af%e7%94%9f%e6%88%90%e3%82%a2%e3%83%97%e3%83%aa","status":"publish","type":"post","link":"https:\/\/agile-software.net\/?p=2755","title":{"rendered":"Next.js\u3068LangChain\u3067\u81ea\u52d5\u30bf\u30b9\u30af\u751f\u6210\u30a2\u30d7\u30ea"},"content":{"rendered":"\n
npx create-next-app@latest .<\/code><\/pre><\/div>\n\n\n\n
npm i axios langchain<\/code><\/pre><\/div>\n\n\n\n
navigation<\/h2>\n\n\n\n
main<\/h2>\n\n\n\n
type<\/code> \u30d7\u30ed\u30d1\u30c6\u30a3\u304c 'task-list'<\/code> \u306e\u8981\u7d20\u3060\u3051\u3092\u62bd\u51fa\u3057\u3066\u8868\u793a\u3059\u308b\u90e8\u5206\u3067\u3059\u3002
\u6b21\u306b\u3001.slice(-1)<\/code> \u3092\u4f7f\u3063\u3066\u3001\u62bd\u51fa\u3055\u308c\u305f\u8981\u7d20\u306e\u3046\u3061\u6700\u5f8c\u306e1\u3064\u3060\u3051\u3092\u65b0\u3057\u3044\u914d\u5217\u3068\u3057\u3066\u53d6\u5f97\u3057\u3066\u3044\u307e\u3059\u3002<\/p>\n\n\n\n
    \n
  • break-words:\u6539\u884c<\/li>\n\n\n\n
  • leading-relaxed:\u884c\u9593\uff08\u884c\u306e\u9ad8\u3055\uff09\u3092\u5e83\u3081\u306b\u8a2d\u5b9a\u3059\u308b\u305f\u3081\u306b\u4f7f\u7528\u3055\u308c\u307e\u3059\u3002<\/li>\n<\/ul>\n\n\n\n
    {messages\n  .filter((data) => data.type === 'task-list')\n  .slice(-1)\n  .map((data, index) => (\n    <div key={index}>\n      <div className="leading-relaxed break-words whitespace-pre-wrap">{data.text}<\/div>\n    <\/div>\n  ))}<\/code><\/pre><\/div>\n\n\n\n
    ref\u306fReact\u3067\u8981\u7d20\uff08HTML\u8981\u7d20\u307e\u305f\u306fReact\u30b3\u30f3\u30dd\u30fc\u30cd\u30f3\u30c8\uff09\u3078\u306e\u53c2\u7167\u3092\u4f5c\u6210\u3059\u308b\u305f\u3081\u306e\u7279\u5225\u306a\u5c5e\u6027\u3067\u3059\u3002ref<\/code> \u3092\u4f7f\u7528\u3059\u308b\u3068\u3001\u30b3\u30f3\u30dd\u30fc\u30cd\u30f3\u30c8\u306e\u4e2d\u3067\u76f4\u63a5\u8981\u7d20\u306b\u30a2\u30af\u30bb\u30b9\u3067\u304d\u307e\u3059\u3002<\/p>\n\n\n\n
     <input\n              className="w-full border rounded-lg py-2 px-3 focus:outline-none bg-gray-50 focus:bg-white"\n              type="number"\n              ref={iterationRef}\n              id="iteration"\n              defaultValue={5}\n              disabled={loading}\n            \/><\/code><\/pre><\/div>\n\n\n\n
    \u4e0b\u8a18\u306e\u3088\u3046\u306biterationRef<\/code> \u3092\u4f7f\u3063\u3066 input<\/code> \u8981\u7d20\u306e\u5024\u306b\u30a2\u30af\u30bb\u30b9\u3059\u308b\u3053\u3068\u304c\u53ef\u80fd\u3067\u3059\u3002<\/p>\n\n\n\n
    const inputValue = iterationRef.current.value;<\/code><\/pre><\/div>\n\n\n\n
    Start\u30dc\u30bf\u30f3\u3092\u62bc\u3057\u305f\u3068\u304d\u306b\u5165\u529b\u3055\u308c\u305f\u5185\u5bb9\u3092\u53d6\u5f97\u3059\u308b\u3002
    \u6700\u5f8c\u306breturn\u3068\u3057\u3066\u3044\u308b\u306e\u306f\u3001\u95a2\u6570\u304b\u3089\u7279\u5b9a\u306e\u5024\u3092\u8fd4\u3059\u305f\u3081\u3067\u3059\u3002
    objective<\/code> \u306e\u5024\u304c\u7a7a\u306e\u5834\u5408\u306b false<\/code> \u3092\u8fd4\u3057\u307e\u3059\u3002
    return<\/code> \u6587\u3092\u4f7f\u308f\u306a\u3044\u5834\u5408\u306f\u3001\u30c7\u30d5\u30a9\u30eb\u30c8\u3067 undefined<\/code> \u304c\u8fd4\u3055\u308c\u307e\u3059\u3002<\/p>\n\n\n\n
        const startHandler = async () => {\n        setLoading(true)\n        const objective = objectiveRef.current!.value\n\n        if (!objective) {\n            setLoading(false)\n            return\n        }\n    }<\/code><\/pre><\/div>\n\n\n\n
    <\/code><\/pre><\/div>\n\n\n\n
    \u30ad\u30e3\u30f3\u30bb\u30eb\u30c8\u30fc\u30af\u30f3\u3068\u306f\u975e\u540c\u671f\u51e6\u7406\u306b\u304a\u3044\u3066\u5b9f\u884c\u4e2d\u306e\u30bf\u30b9\u30af\u3092\u4e2d\u6b62\u3059\u308b\u305f\u3081\u306e\u4ed5\u7d44\u307f\u3067\u3059\u3002
    \u975e\u540c\u671f\u51e6\u7406\u306f\u3001\u30ea\u30af\u30a8\u30b9\u30c8\u306e\u9001\u4fe1\u3084\u30c7\u30fc\u30bf\u306e\u53d6\u5f97\u306a\u3069\u3001\u6642\u9593\u306e\u304b\u304b\u308b\u51e6\u7406\u3092\u884c\u3046\u969b\u306b\u4f7f\u7528\u3055\u308c\u307e\u3059\u3002<\/p>\n\n\n\n
    \u4f8b\u3048\u3070\u3001\u30a6\u30a7\u30d6\u30da\u30fc\u30b8\u4e0a\u3067API\u30ea\u30af\u30a8\u30b9\u30c8\u3092\u884c\u3046\u969b\u3001\u30e6\u30fc\u30b6\u30fc\u304c\u30da\u30fc\u30b8\u3092\u79fb\u52d5\u3057\u3066\u5225\u306e\u64cd\u4f5c\u3092\u884c\u3063\u305f\u308a\u3001\u30ad\u30e3\u30f3\u30bb\u30eb\u30dc\u30bf\u30f3\u3092\u62bc\u3057\u305f\u308a\u3057\u305f\u5834\u5408\u306b\u3001\u305d\u306eAPI\u30ea\u30af\u30a8\u30b9\u30c8\u3092\u4e2d\u6b62\u3055\u305b\u305f\u3044\u3068\u8003\u3048\u308b\u3067\u3057\u3087\u3046\u3002\u3053\u3046\u3057\u305f\u5834\u5408\u306b\u30ad\u30e3\u30f3\u30bb\u30eb\u30c8\u30fc\u30af\u30f3\u3092\u4f7f\u7528\u3059\u308b\u3053\u3068\u3067\u3001\u975e\u540c\u671f\u51e6\u7406\u3092\u9014\u4e2d\u3067\u4e2d\u6b62\u3055\u305b\u308b\u3053\u3068\u304c\u3067\u304d\u307e\u3059\u3002<\/p>\n\n\n\n
    JavaScript\u306e axios<\/code> \u30e9\u30a4\u30d6\u30e9\u30ea\u306a\u3069\u3001\u591a\u304f\u306e\u975e\u540c\u671f\u51e6\u7406\u30e9\u30a4\u30d6\u30e9\u30ea\u306f\u30ad\u30e3\u30f3\u30bb\u30eb\u30c8\u30fc\u30af\u30f3\u3092\u30b5\u30dd\u30fc\u30c8\u3057\u3066\u304a\u308a\u3001\u7c21\u5358\u306b\u4e2d\u6b62\u51e6\u7406\u3092\u5b9f\u88c5\u3059\u308b\u3053\u3068\u304c\u3067\u304d\u307e\u3059\u3002<\/p>\n\n\n\n
    <\/code><\/pre><\/div>\n\n\n\n
    stopHandler<\/code> \u95a2\u6570\u304c\u547c\u3073\u51fa\u3055\u308c\u308b\u3068\u3001\u307e\u305a sourceRef.current<\/code> \u306e\u5024\u3092\u30c1\u30a7\u30c3\u30af\u3057\u307e\u3059\u3002
    \u3082\u3057 sourceRef.current<\/code> \u304c null<\/code> \u3067\u306f\u306a\u3044\u5834\u5408\u3001\u3064\u307e\u308a\u30ad\u30e3\u30f3\u30bb\u30eb\u30c8\u30fc\u30af\u30f3\u304c\u5b58\u5728\u3059\u308b\u5834\u5408sourceRef.current.cancel()<\/code>\u304c\u5b9f\u884c\u3055\u308c\u307e\u3059\u3002axios<\/code> \u30e9\u30a4\u30d6\u30e9\u30ea\u306e CancelToken<\/code> \u30aa\u30d6\u30b8\u30a7\u30af\u30c8\u306e cancel()<\/code> \u30e1\u30bd\u30c3\u30c9\u3092\u547c\u3073\u51fa\u3057\u3066\u3044\u307e\u3059\u3002\u3053\u308c\u306b\u3088\u308a\u3001\u95a2\u9023\u3059\u308b\u975e\u540c\u671f\u51e6\u7406\u306b\u5bfe\u3057\u3066\u300c\u30e6\u30fc\u30b6\u30fc\u306b\u3088\u3063\u3066\u64cd\u4f5c\u304c\u30ad\u30e3\u30f3\u30bb\u30eb\u3055\u308c\u305f\u300d\u3068\u3044\u3046\u7406\u7531\u3092\u4f1d\u3048\u308b\u3053\u3068\u304c\u3067\u304d\u307e\u3059\u3002<\/p>\n\n\n\n
    <\/code><\/pre><\/div>\n\n\n\n
    try<\/code> \u30d6\u30ed\u30c3\u30af\u5185\u306e\u30b3\u30fc\u30c9\u304c\u5b9f\u884c\u3055\u308c\u308b\u969b\u306b\u4f8b\u5916\u304c\u767a\u751f\u3057\u305f\u5834\u5408\u3001\u4f8b\u5916\u3092\u30ad\u30e3\u30c3\u30c1\u3057\u3001catch<\/code> \u30d6\u30ed\u30c3\u30af\u5185\u306e\u51e6\u7406\u304c\u5b9f\u884c\u3055\u308c\u307e\u3059\u3002\u307e\u305f\u3001\u4f8b\u5916\u306e\u767a\u751f\u6709\u7121\u306b\u95a2\u308f\u3089\u305a\u6700\u7d42\u7684\u306b finally<\/code> \u30d6\u30ed\u30c3\u30af\u5185\u306e\u51e6\u7406\u304c\u5b9f\u884c\u3055\u308c\u307e\u3059\u3002<\/p>\n\n\n\n
    \u30bf\u30b9\u30af\u30ea\u30b9\u30c8\u306e\u8981\u7d20\u6570\u304c0\u4ee5\u4e0b\u306e\u5834\u5408\u3001setLoading(false)<\/code> \u304c\u5b9f\u884c\u3055\u308c\u3066\u3001return<\/code> \u306b\u3088\u308a\u95a2\u6570\u304c\u7d42\u4e86\u3057\u307e\u3059\u3002<\/p>\n\n\n\n
    while (maxIteration === 0 || iteration < maxIteration) {\n        \/\/ \u30bf\u30b9\u30af\u30ea\u30b9\u30c8\u78ba\u8a8d\n        if (taskList.length <= 0) {\n          setLoading(false)\n          return\n        }<\/code><\/pre><\/div>\n\n\n\n
    \u73fe\u5728\u306e messages<\/code> \u30b9\u30c6\u30fc\u30c8\u306e\u914d\u5217\u3092\u30b9\u30d7\u30ec\u30c3\u30c9\u69cb\u6587\u3092\u4f7f\u3063\u3066\u5c55\u958b\u3057\u3001message<\/code> \u30aa\u30d6\u30b8\u30a7\u30af\u30c8\u3092\u914d\u5217\u306e\u672b\u5c3e\u306b\u8ffd\u52a0\u3059\u308b\u3053\u3068\u3067\u3001\u65b0\u3057\u3044\u30e1\u30c3\u30bb\u30fc\u30b8\u3092\u914d\u5217\u306b\u8ffd\u52a0\u3057\u307e\u3059\u3002
    setMessages<\/code> \u95a2\u6570\u3092\u4f7f\u7528\u3057\u3066\u3001messages<\/code> \u30b9\u30c6\u30fc\u30c8\u3092\u66f4\u65b0\u3059\u308b\u3053\u3068\u3067\u3001React\u306f\u65b0\u3057\u3044\u5024\u3092\u53cd\u6620\u3057\u3066UI\u3092\u518d\u63cf\u753b\u3057\u307e\u3059<\/p>\n\n\n\n
        const messageHandler = (message: MessageType) => {\n        setMessages((messages) => [...messages,message])\n    }<\/code><\/pre><\/div>\n\n\n\n
    const taskListString = taskList.map((task) => `${task.taskID}. ${task.taskName}`).join('\\n')<\/code><\/pre><\/div>\n\n\n\n
    \u30bf\u30b9\u30af\u306ftaskID\u3068taskName\u306e\u30d7\u30ed\u30d1\u30c6\u30a3\u3092\u6301\u3063\u3066\u304a\u308a\u3001\u305d\u308c\u3089\u3092\u9023\u7d50\u3057\u305f\u6587\u5b57\u5217\u3092\u4f5c\u6210\u3002<\/p>\n\n\n\n
    API\u30a8\u30f3\u30c9\u30dd\u30a4\u30f3\u30c8\u306b\u5bfe\u3057\u3066\u975e\u540c\u671f\u3067POST\u30ea\u30af\u30a8\u30b9\u30c8\u3092\u9001\u4fe1\u3057\u3066\u3044\u307e\u3059\u3002
    await<\/code> \u30ad\u30fc\u30ef\u30fc\u30c9\u306b\u3088\u308a\u3001\u975e\u540c\u671f\u51e6\u7406\u304c\u5b8c\u4e86\u3059\u308b\u307e\u3067\u6b21\u306e\u884c\u306e\u5b9f\u884c\u3092\u5f85\u3061\u307e\u3059\u3002<\/p>\n\n\n\n
    <\/code><\/pre><\/div>\n","protected":false},"excerpt":{"rendered":"
    navigation main type \u30d7\u30ed\u30d1\u30c6\u30a3\u304c ‘task-list’ \u306e\u8981\u7d20\u3060\u3051\u3092\u62bd\u51fa\u3057\u3066\u8868\u793a\u3059\u308b\u90e8\u5206\u3067\u3059\u3002\u6b21\u306b\u3001.slice(-1) \u3092\u4f7f\u3063\u3066\u3001\u62bd\u51fa\u3055\u308c\u305f\u8981\u7d20\u306e\u3046\u3061\u6700\u5f8c\u306e1\u3064\u3060\u3051\u3092\u65b0\u3057\u3044\u914d\u5217\u3068\u3057\u3066\u53d6\u5f97\u3057\u3066\u3044\u307e<\/p>\n","protected":false},"author":1,"featured_media":0,"comment_status":"open","ping_status":"open","sticky":false,"template":"","format":"standard","meta":{"_jin_ogp_image_url":"","_jin_last_featured_id":0,"footnotes":""},"categories":[1],"tags":[],"class_list":["post-2755","post","type-post","status-publish","format-standard","hentry","category-uncategorized"],"_links":{"self":[{"href":"https:\/\/agile-software.net\/index.php?rest_route=\/wp\/v2\/posts\/2755","targetHints":{"allow":["GET"]}}],"collection":[{"href":"https:\/\/agile-software.net\/index.php?rest_route=\/wp\/v2\/posts"}],"about":[{"href":"https:\/\/agile-software.net\/index.php?rest_route=\/wp\/v2\/types\/post"}],"author":[{"embeddable":true,"href":"https:\/\/agile-software.net\/index.php?rest_route=\/wp\/v2\/users\/1"}],"replies":[{"embeddable":true,"href":"https:\/\/agile-software.net\/index.php?rest_route=%2Fwp%2Fv2%2Fcomments&post=2755"}],"version-history":[{"count":1,"href":"https:\/\/agile-software.net\/index.php?rest_route=\/wp\/v2\/posts\/2755\/revisions"}],"predecessor-version":[{"id":2760,"href":"https:\/\/agile-software.net\/index.php?rest_route=\/wp\/v2\/posts\/2755\/revisions\/2760"}],"wp:attachment":[{"href":"https:\/\/agile-software.net\/index.php?rest_route=%2Fwp%2Fv2%2Fmedia&parent=2755"}],"wp:term":[{"taxonomy":"category","embeddable":true,"href":"https:\/\/agile-software.net\/index.php?rest_route=%2Fwp%2Fv2%2Fcategories&post=2755"},{"taxonomy":"post_tag","embeddable":true,"href":"https:\/\/agile-software.net\/index.php?rest_route=%2Fwp%2Fv2%2Ftags&post=2755"}],"curies":[{"name":"wp","href":"https:\/\/api.w.org\/{rel}","templated":true}]}}