{"id":26868,"date":"2025-12-07T17:31:55","date_gmt":"2025-12-07T17:31:55","guid":{"rendered":"https:\/\/pokecon.jp\/job\/?p=26868"},"modified":"2025-12-07T17:31:55","modified_gmt":"2025-12-07T17:31:55","slug":"%e3%80%90react%e3%80%91%e3%83%ad%e3%82%b8%e3%83%83%e3%82%af%e3%82%92%e3%81%99%e3%81%b9%e3%81%a6-hook-%e3%81%ab%e3%81%be%e3%81%a8%e3%82%81%e3%81%a6%e3%81%97%e3%81%be%e3%81%86%e3%81%ae%e3%82%82%e3%82%a2","status":"publish","type":"post","link":"https:\/\/pokecon.jp\/job\/26868\/","title":{"rendered":"\u3010React\u3011\u30ed\u30b8\u30c3\u30af\u3092\u3059\u3079\u3066 hook \u306b\u307e\u3068\u3081\u3066\u3057\u307e\u3046\u306e\u3082\u30a2\u30ea\u3060\u3068\u601d\u3063\u305f &#8211; \u5f01\u8b77\u58eb\u30c9\u30c3\u30c8\u30b3\u30e0\u682a\u5f0f\u4f1a\u793e Creators\u2019 blog"},"content":{"rendered":"\n<\/p>\n<div>\n<p>\u3053\u306e\u8a18\u4e8b\u306f<a target=\"_blank\" href=\"https:\/\/qiita.com\/advent-calendar\/2025\/bengo4com\">\u5f01\u8b77\u58eb\u30c9\u30c3\u30c8\u30b3\u30e0 Advent Calendar 2025<\/a>\u306e 8 \u65e5\u76ee\u306e\u8a18\u4e8b\u3067\u3059\u3002<\/p>\n<p>\u30af\u30e9\u30a6\u30c9\u30b5\u30a4\u30f3\u4e8b\u696d\u672c\u90e8\u3067\u30a8\u30f3\u30b8\u30cb\u30a2\u3092\u3084\u3063\u3066\u3044\u308b\u7530\u9089\u3067\u3059\u3002<\/p>\n<p>\u9577\u3044\u671f\u9593\u30d5\u30ed\u30f3\u30c8\u30a8\u30f3\u30c9\u30b3\u30fc\u30c9\u3092\u904b\u7528\u3057\u305f\u7d50\u679c\u3001Fat Component \u304c\u5897\u3048\u3066\u3057\u307e\u3044\u30b3\u30fc\u30c9\u5168\u4f53\u304c\u8907\u96d1\u306a\u3082\u306e\u306b\u306a\u3063\u3066\u3057\u307e\u3063\u305f\u7d4c\u9a13\u306f\u306a\u3044\u3067\u3057\u3087\u3046\u304b\u3002<\/p>\n<p>\u3053\u308c\u3092\u56de\u907f\uff08\u307e\u305f\u306f\u4f4e\u6e1b\uff09\u3059\u308b\u305f\u3081\u306b\u79c1\u306f\u3001\u30ed\u30b8\u30c3\u30af\u3092\u30ab\u30b9\u30bf\u30e0 hook \u306b\u5207\u308a\u51fa\u3059\u306a\u3069\u306e\u5bfe\u7b56\u3092\u8b1b\u3058\u3066\u304d\u307e\u3057\u305f\u3002<br \/>\n\u305d\u3093\u306a\u4e2d\u3067\u79c1\u306f\u30ed\u30b8\u30c3\u30af\u3092\u3059\u3079\u3066 hook \u306b\u9589\u3058\u8fbc\u3081\u3001tsx \u306f UI \u306b\u5c02\u5ff5\u3055\u305b\u308b\u3053\u3068\u3067\u95a2\u5fc3\u3092\u5206\u96e2\u3055\u305b\u3089\u308c\u308b\u3053\u3068\u306b\u6c17\u3065\u304d\u307e\u3057\u305f\u3002<\/p>\n<p>\u30eb\u30fc\u30eb\u306f\u30b7\u30f3\u30d7\u30eb\u3067\u3059\u3002<\/p>\n<ul>\n<li>tsx \u306f UI \u306b\u5c02\u5ff5\u3055\u305b\u308b<\/li>\n<li>\u30ed\u30b8\u30c3\u30af\u306f 1 \u3064\u306e \u201c\u30aa\u30fc\u30b1\u30b9\u30c8\u30ec\u30fc\u30bf\u30fc hook\u201d \u306b\u96c6\u7d04\u3059\u308b<\/li>\n<\/ul>\n<p>\u203b \u30d7\u30ed\u30b8\u30a7\u30af\u30c8\u3067\u306f Next.js \u3092\u5229\u7528\u3057\u3066\u3044\u308b\u305f\u3081\u3001\u30b5\u30f3\u30d7\u30eb\u30b3\u30fc\u30c9\u306f Next.js \u306e\u3082\u306e\u306b\u306a\u308a\u307e\u3059\u3002\u307e\u305f\u672c\u8a18\u4e8b\u3067\u306f\u30af\u30e9\u30a4\u30a2\u30f3\u30c8\u30b3\u30f3\u30dd\u30fc\u30cd\u30f3\u30c8\u3092\u5bfe\u8c61\u3068\u3057\u305f\u8a2d\u8a08\u306b\u3064\u3044\u3066\u8a18\u8f09\u3057\u3066\u3044\u307e\u3059\u3002<\/p>\n<h2 id=\"\u3059\u3079\u3066\u306e\u30ed\u30b8\u30c3\u30af\u3092\u30aa\u30fc\u30b1\u30b9\u30c8\u30ec\u30fc\u30bf\u30fchook\u306b\">\u3059\u3079\u3066\u306e\u30ed\u30b8\u30c3\u30af\u3092\u30aa\u30fc\u30b1\u30b9\u30c8\u30ec\u30fc\u30bf\u30fchook\u306b<\/h2>\n<p>\u307e\u305a\u306f\u5b9f\u969b\u306b\u5b9f\u88c5\u3092\u898b\u3066\u7406\u89e3\u3057\u307e\u3057\u3087\u3046\u3002 \u611a\u76f4\u306b\u5b9f\u88c5\u3057\u305f\u3082\u306e\u304c\u4ee5\u4e0b\u306e\u30b3\u30fc\u30c9\u3067\u3059\u3002<\/p>\n<p>\u3061\u306a\u307f\u306b\u3053\u3061\u3089\u306f\u5b9f\u969b\u306b\u79c1\u304c\u62c5\u5f53\u3057\u305f\u30d7\u30ed\u30b8\u30a7\u30af\u30c8\u306e\u30b3\u30fc\u30c9\u3092\u3082\u3068\u306b\u3057\u305f\u3082\u306e\u3067\u3059\uff08\u30c9\u30e1\u30a4\u30f3\u9818\u57df\u306a\u3069\u306f\u5909\u66f4\u3057\u3066\u3044\u307e\u3059\uff09\u3002<\/p>\n<pre class=\"code lang-tsx\" data-lang=\"tsx\" data-unlink=\"\"><span class=\"synConstant\">\"use client\"<\/span>;\n\n<span class=\"synSpecial\">import<\/span> <span class=\"synIdentifier\">{<\/span> Modal <span class=\"synIdentifier\">}<\/span> <span class=\"synSpecial\">from<\/span> <span class=\"synConstant\">\"@\/components\/modal\/modal\"<\/span>;\n<span class=\"synSpecial\">import<\/span> <span class=\"synIdentifier\">{<\/span> DraftForm <span class=\"synIdentifier\">}<\/span> <span class=\"synSpecial\">from<\/span> <span class=\"synConstant\">\"@\/features\/draft-form\/draft-form\"<\/span>;\n<span class=\"synSpecial\">import<\/span> <span class=\"synSpecial\">type<\/span> <span class=\"synIdentifier\">{<\/span> DraftForm <span class=\"synSpecial\">as<\/span> <span class=\"synIdentifier\">DraftFormValues<\/span> <span class=\"synIdentifier\">}<\/span> <span class=\"synSpecial\">from<\/span> <span class=\"synConstant\">\"@\/types\/draft\"<\/span>;\n<span class=\"synSpecial\">import<\/span> <span class=\"synIdentifier\">{<\/span> DraftTextPane <span class=\"synIdentifier\">}<\/span> <span class=\"synSpecial\">from<\/span> <span class=\"synConstant\">\"@\/features\/drafts-pane\/drafts-pane\"<\/span>;\n<span class=\"synSpecial\">import<\/span> <span class=\"synSpecial\">type<\/span> <span class=\"synIdentifier\">{<\/span> Project <span class=\"synIdentifier\">}<\/span> <span class=\"synSpecial\">from<\/span> <span class=\"synConstant\">\"@\/types\/project\"<\/span>;\n<span class=\"synSpecial\">import<\/span> <span class=\"synIdentifier\">{<\/span> useRef, useState <span class=\"synIdentifier\">}<\/span> <span class=\"synSpecial\">from<\/span> <span class=\"synConstant\">\"react\"<\/span>;\n<span class=\"synSpecial\">import<\/span> <span class=\"synIdentifier\">{<\/span>\n  cancelButton,\n  completeButton,\n  container,\n  formContainer,\n  modalButtonContainer,\n  modalCancelButton,\n  modalConfirmButton,\n  navigationButton,\n  navigationContainer,\n  personaContentContainer <span class=\"synSpecial\">as<\/span> <span class=\"synIdentifier\">draftContentContainer<\/span>,\n  personaCounter <span class=\"synSpecial\">as<\/span> <span class=\"synIdentifier\">draftCounter<\/span>,\n  personasContainer <span class=\"synSpecial\">as<\/span> <span class=\"synIdentifier\">draftsContainer<\/span>,\n  saveButton,\n  saveButtonContainer,\n  title,\n<span class=\"synIdentifier\">}<\/span> <span class=\"synSpecial\">from<\/span> <span class=\"synConstant\">\".\/draft-create.css\"<\/span>;\n<span class=\"synSpecial\">import<\/span> <span class=\"synIdentifier\">{<\/span> useCreateDraft <span class=\"synIdentifier\">}<\/span> <span class=\"synSpecial\">from<\/span> <span class=\"synConstant\">\".\/use-create-draft\"<\/span>;\n\n<span class=\"synStatement\">interface<\/span> <span class=\"synIdentifier\">DraftCreateProps<\/span> <span class=\"synIdentifier\">{<\/span>\n  <span class=\"synIdentifier\">projects<\/span>: <span class=\"synIdentifier\">Project<\/span>[]<span class=\"synStatement\">;<\/span>\n<span class=\"synIdentifier\">}<\/span>\n\n<span class=\"synSpecial\">export<\/span> <span class=\"synStatement\">function<\/span> <span class=\"synIdentifier\">DraftCreate<\/span>(<span class=\"synPreProc\">{ projects }<\/span>:<span class=\"synPreProc\"> <\/span><span class=\"synIdentifier\">DraftCreateProps<\/span>) <span class=\"synIdentifier\">{<\/span>\n  <span class=\"synIdentifier\">const<\/span> <span class=\"synIdentifier\">[<\/span><span class=\"synPreProc\">requirements<\/span>, <span class=\"synPreProc\">setRequirements<\/span><span class=\"synIdentifier\">]<\/span> = useState&lt;<span class=\"synIdentifier\">DraftFormValues<\/span>&gt;(<span class=\"synIdentifier\">{<\/span>\n    <span class=\"synStatement\">projectId<\/span>: <span class=\"synIdentifier\">{<\/span> <span class=\"synStatement\">title<\/span>: <span class=\"synConstant\">\"\u30d7\u30ed\u30b8\u30a7\u30af\u30c8\"<\/span>, <span class=\"synStatement\">type<\/span>: <span class=\"synConstant\">\"select\"<\/span>, <span class=\"synStatement\">content<\/span>: <span class=\"synConstant\">\"\"<\/span> <span class=\"synIdentifier\">}<\/span>,\n    <span class=\"synStatement\">goal<\/span>: <span class=\"synIdentifier\">{<\/span> <span class=\"synStatement\">title<\/span>: <span class=\"synConstant\">\"\u76ee\u7684\"<\/span>, <span class=\"synStatement\">type<\/span>: <span class=\"synConstant\">\"textarea\"<\/span>, <span class=\"synStatement\">content<\/span>: <span class=\"synConstant\">\"\"<\/span> <span class=\"synIdentifier\">}<\/span>,\n    <span class=\"synStatement\">description<\/span>: <span class=\"synIdentifier\">{<\/span> <span class=\"synStatement\">title<\/span>: <span class=\"synConstant\">\"\u6982\u8981\"<\/span>, <span class=\"synStatement\">type<\/span>: <span class=\"synConstant\">\"textarea\"<\/span>, <span class=\"synStatement\">content<\/span>: <span class=\"synConstant\">\"\"<\/span> <span class=\"synIdentifier\">}<\/span>,\n    <span class=\"synStatement\">tone<\/span>: <span class=\"synIdentifier\">{<\/span> <span class=\"synStatement\">title<\/span>: <span class=\"synConstant\">\"\u6587\u4f53\"<\/span>, <span class=\"synStatement\">type<\/span>: <span class=\"synConstant\">\"select\"<\/span>, <span class=\"synStatement\">content<\/span>: <span class=\"synConstant\">\"\"<\/span> <span class=\"synIdentifier\">}<\/span>,\n    <span class=\"synStatement\">audience<\/span>: <span class=\"synIdentifier\">{<\/span> <span class=\"synStatement\">title<\/span>: <span class=\"synConstant\">\"\u60f3\u5b9a\u8aad\u8005\"<\/span>, <span class=\"synStatement\">type<\/span>: <span class=\"synConstant\">\"textarea\"<\/span>, <span class=\"synStatement\">content<\/span>: <span class=\"synConstant\">\"\"<\/span> <span class=\"synIdentifier\">}<\/span>,\n    <span class=\"synStatement\">constraints<\/span>: <span class=\"synIdentifier\">{<\/span> <span class=\"synStatement\">title<\/span>: <span class=\"synConstant\">\"\u5236\u7d04\"<\/span>, <span class=\"synStatement\">type<\/span>: <span class=\"synConstant\">\"textarea\"<\/span>, <span class=\"synStatement\">content<\/span>: <span class=\"synConstant\">\"\"<\/span> <span class=\"synIdentifier\">}<\/span>,\n    <span class=\"synStatement\">length<\/span>: <span class=\"synIdentifier\">{<\/span> <span class=\"synStatement\">title<\/span>: <span class=\"synConstant\">\"\u6587\u91cf\"<\/span>, <span class=\"synStatement\">type<\/span>: <span class=\"synConstant\">\"textarea\"<\/span>, <span class=\"synStatement\">content<\/span>: <span class=\"synConstant\">\"\"<\/span> <span class=\"synIdentifier\">}<\/span>,\n    <span class=\"synStatement\">styleGuide<\/span>: <span class=\"synIdentifier\">{<\/span> <span class=\"synStatement\">title<\/span>: <span class=\"synConstant\">\"\u30b9\u30bf\u30a4\u30eb\u30ac\u30a4\u30c9\"<\/span>, <span class=\"synStatement\">type<\/span>: <span class=\"synConstant\">\"textarea\"<\/span>, <span class=\"synStatement\">content<\/span>: <span class=\"synConstant\">\"\"<\/span> <span class=\"synIdentifier\">}<\/span>,\n  <span class=\"synIdentifier\">}<\/span>);\n\n  <span class=\"synIdentifier\">const<\/span> <span class=\"synIdentifier\">[<\/span><span class=\"synPreProc\">drafts<\/span>, <span class=\"synPreProc\">setDrafts<\/span><span class=\"synIdentifier\">]<\/span> = useState&lt;<span class=\"synType\">string<\/span>[]&gt;(<span class=\"synIdentifier\">[]<\/span>);\n  <span class=\"synIdentifier\">const<\/span> <span class=\"synIdentifier\">[<\/span><span class=\"synPreProc\">currentIdx<\/span>, <span class=\"synPreProc\">setCurrentIdx<\/span><span class=\"synIdentifier\">]<\/span> = useState(<span class=\"synConstant\">0<\/span>);\n  <span class=\"synIdentifier\">const<\/span> <span class=\"synIdentifier\">[<\/span><span class=\"synPreProc\">selectedDrafts<\/span>, <span class=\"synPreProc\">setSelectedDrafts<\/span><span class=\"synIdentifier\">]<\/span> = useState&lt;<span class=\"synIdentifier\">Set<\/span>&lt;<span class=\"synType\">number<\/span>&gt;&gt;(<span class=\"synIdentifier\">new<\/span> <span class=\"synType\">Set<\/span>());\n  <span class=\"synIdentifier\">const<\/span> <span class=\"synIdentifier\">[<\/span><span class=\"synPreProc\">selectedProjectId<\/span>, <span class=\"synPreProc\">setSelectedProjectId<\/span><span class=\"synIdentifier\">]<\/span> = useState&lt;<span class=\"synType\">string<\/span>&gt;(<span class=\"synConstant\">\"\"<\/span>);\n  <span class=\"synIdentifier\">const<\/span> <span class=\"synIdentifier\">[<\/span><span class=\"synPreProc\">selectedTemplateId<\/span>, <span class=\"synPreProc\">setSelectedTemplateId<\/span><span class=\"synIdentifier\">]<\/span> = useState&lt;<span class=\"synType\">string<\/span>&gt;(<span class=\"synConstant\">\"\"<\/span>);\n  <span class=\"synIdentifier\">const<\/span> modalRef = useRef&lt;<span class=\"synIdentifier\">HTMLDialogElement<\/span>&gt;(<span class=\"synConstant\">null<\/span>);\n  <span class=\"synIdentifier\">const<\/span> <span class=\"synIdentifier\">{<\/span> <span class=\"synPreProc\">handleCreateDraft<\/span>, <span class=\"synPreProc\">isPending<\/span> <span class=\"synIdentifier\">}<\/span> = useCreateDraft();\n\n  <span class=\"synIdentifier\">const<\/span> handleSetDrafts = (<span class=\"synPreProc\">drafts<\/span>:<span class=\"synPreProc\"> <\/span><span class=\"synType\">string<\/span>[]<span class=\"synStatement\">,<\/span><span class=\"synPreProc\"> req<\/span>:<span class=\"synPreProc\"> <\/span><span class=\"synIdentifier\">DraftFormValues<\/span>)<span class=\"synPreProc\"> <\/span><span class=\"synType\">=&gt;<\/span> <span class=\"synIdentifier\">{<\/span>\n    setDrafts(drafts);\n    setRequirements(req);\n    setCurrentIdx(<span class=\"synConstant\">0<\/span>);\n  <span class=\"synIdentifier\">}<\/span>;\n\n  <span class=\"synIdentifier\">const<\/span> handlePrev = ()<span class=\"synPreProc\"> <\/span><span class=\"synType\">=&gt;<\/span> <span class=\"synIdentifier\">{<\/span>\n    setCurrentIdx((<span class=\"synPreProc\">idx<\/span>)<span class=\"synPreProc\"> <\/span><span class=\"synType\">=&gt;<\/span> (idx &gt; <span class=\"synConstant\">0<\/span> ? idx - <span class=\"synConstant\">1<\/span> : idx));\n  <span class=\"synIdentifier\">}<\/span>;\n  <span class=\"synIdentifier\">const<\/span> handleNext = ()<span class=\"synPreProc\"> <\/span><span class=\"synType\">=&gt;<\/span> <span class=\"synIdentifier\">{<\/span>\n    setCurrentIdx((<span class=\"synPreProc\">idx<\/span>)<span class=\"synPreProc\"> <\/span><span class=\"synType\">=&gt;<\/span> (idx &lt; drafts.<span class=\"synStatement\">length<\/span> - <span class=\"synConstant\">1<\/span> ? idx + <span class=\"synConstant\">1<\/span> : idx));\n  <span class=\"synIdentifier\">}<\/span>;\n\n  <span class=\"synIdentifier\">const<\/span> handleProjectChange = (<span class=\"synPreProc\">projectId<\/span>:<span class=\"synPreProc\"> <\/span><span class=\"synType\">string<\/span>)<span class=\"synPreProc\"> <\/span><span class=\"synType\">=&gt;<\/span> <span class=\"synIdentifier\">{<\/span>\n    setSelectedProjectId(projectId);\n    setSelectedTemplateId(<span class=\"synConstant\">\"\"<\/span>);\n  <span class=\"synIdentifier\">}<\/span>;\n\n  <span class=\"synIdentifier\">const<\/span> handleTemplateChange = (<span class=\"synPreProc\">templateId<\/span>:<span class=\"synPreProc\"> <\/span><span class=\"synType\">string<\/span>)<span class=\"synPreProc\"> <\/span><span class=\"synType\">=&gt;<\/span> <span class=\"synIdentifier\">{<\/span>\n    setSelectedTemplateId(templateId);\n  <span class=\"synIdentifier\">}<\/span>;\n\n  <span class=\"synIdentifier\">const<\/span> handleSaveDraft = ()<span class=\"synPreProc\"> <\/span><span class=\"synType\">=&gt;<\/span> <span class=\"synIdentifier\">{<\/span>\n    setSelectedDrafts((<span class=\"synPreProc\">prev<\/span>)<span class=\"synPreProc\"> <\/span><span class=\"synType\">=&gt;<\/span> <span class=\"synIdentifier\">{<\/span>\n      <span class=\"synIdentifier\">const<\/span> next = <span class=\"synIdentifier\">new<\/span> <span class=\"synType\">Set<\/span>(prev);\n      next.<span class=\"synStatement\">add<\/span>(currentIdx);\n      <span class=\"synStatement\">return<\/span> next;\n    <span class=\"synIdentifier\">}<\/span>);\n  <span class=\"synIdentifier\">}<\/span>;\n\n  <span class=\"synIdentifier\">const<\/span> handleCancelDraft = ()<span class=\"synPreProc\"> <\/span><span class=\"synType\">=&gt;<\/span> <span class=\"synIdentifier\">{<\/span>\n    setSelectedDrafts((<span class=\"synPreProc\">prev<\/span>)<span class=\"synPreProc\"> <\/span><span class=\"synType\">=&gt;<\/span> <span class=\"synIdentifier\">{<\/span>\n      <span class=\"synIdentifier\">const<\/span> next = <span class=\"synIdentifier\">new<\/span> <span class=\"synType\">Set<\/span>(prev);\n      next.<span class=\"synStatement\">delete<\/span>(currentIdx);\n      <span class=\"synStatement\">return<\/span> next;\n    <span class=\"synIdentifier\">}<\/span>);\n  <span class=\"synIdentifier\">}<\/span>;\n\n  <span class=\"synIdentifier\">const<\/span> isCurrentDraftSelected = selectedDrafts.<span class=\"synStatement\">has<\/span>(currentIdx);\n\n  <span class=\"synIdentifier\">const<\/span> handleComplete = ()<span class=\"synPreProc\"> <\/span><span class=\"synType\">=&gt;<\/span> <span class=\"synIdentifier\">{<\/span>\n    modalRef.<span class=\"synStatement\">current<\/span>?.showModal();\n  <span class=\"synIdentifier\">}<\/span>;\n\n  <span class=\"synIdentifier\">const<\/span> handleConfirmComplete = <span class=\"synStatement\">async<\/span> ()<span class=\"synPreProc\"> <\/span><span class=\"synType\">=&gt;<\/span> <span class=\"synIdentifier\">{<\/span>\n    <span class=\"synIdentifier\">const<\/span> selectedDraftsArray = <span class=\"synType\">Array<\/span>.<span class=\"synStatement\">from<\/span>(selectedDrafts).<span class=\"synStatement\">map<\/span>(\n      (<span class=\"synPreProc\">index<\/span>)<span class=\"synPreProc\"> <\/span><span class=\"synType\">=&gt;<\/span> drafts[index]\n    );\n\n    <span class=\"synStatement\">if<\/span> (selectedDraftsArray.<span class=\"synStatement\">length<\/span> &gt; <span class=\"synConstant\">0<\/span>) <span class=\"synIdentifier\">{<\/span>\n      <span class=\"synStatement\">if<\/span> (!selectedProjectId) <span class=\"synIdentifier\">{<\/span>\n        <span class=\"synType\">alert<\/span>(<span class=\"synConstant\">\"\u30d7\u30ed\u30b8\u30a7\u30af\u30c8\u3092\u9078\u629e\u3057\u3066\u304f\u3060\u3055\u3044\"<\/span>);\n        <span class=\"synStatement\">return<\/span>;\n      <span class=\"synIdentifier\">}<\/span>\n      <span class=\"synStatement\">if<\/span> (!selectedTemplateId) <span class=\"synIdentifier\">{<\/span>\n        <span class=\"synType\">alert<\/span>(<span class=\"synConstant\">\"\u30c6\u30f3\u30d7\u30ec\u30fc\u30c8\u3092\u9078\u629e\u3057\u3066\u304f\u3060\u3055\u3044\"<\/span>);\n        <span class=\"synStatement\">return<\/span>;\n      <span class=\"synIdentifier\">}<\/span>\n\n      <span class=\"synStatement\">await<\/span> handleCreateDraft(<span class=\"synIdentifier\">{<\/span>\n        <span class=\"synStatement\">draftRequest<\/span>: requirements,\n        <span class=\"synStatement\">drafts<\/span>: selectedDraftsArray,\n        <span class=\"synStatement\">aiModel<\/span>: <span class=\"synConstant\">\"default-draft-model\"<\/span>,\n        <span class=\"synStatement\">projectId<\/span>: selectedProjectId,\n        <span class=\"synStatement\">templateId<\/span>: selectedTemplateId,\n      <span class=\"synIdentifier\">}<\/span>);\n    <span class=\"synIdentifier\">}<\/span>\n\n    setDrafts(<span class=\"synIdentifier\">[]<\/span>);\n    setRequirements(<span class=\"synIdentifier\">{<\/span>\n      <span class=\"synStatement\">projectId<\/span>: <span class=\"synIdentifier\">{<\/span> <span class=\"synStatement\">title<\/span>: <span class=\"synConstant\">\"\u30d7\u30ed\u30b8\u30a7\u30af\u30c8\"<\/span>, <span class=\"synStatement\">type<\/span>: <span class=\"synConstant\">\"select\"<\/span>, <span class=\"synStatement\">content<\/span>: <span class=\"synConstant\">\"\"<\/span> <span class=\"synIdentifier\">}<\/span>,\n      <span class=\"synStatement\">goal<\/span>: <span class=\"synIdentifier\">{<\/span> <span class=\"synStatement\">title<\/span>: <span class=\"synConstant\">\"\u76ee\u7684\"<\/span>, <span class=\"synStatement\">type<\/span>: <span class=\"synConstant\">\"textarea\"<\/span>, <span class=\"synStatement\">content<\/span>: <span class=\"synConstant\">\"\"<\/span> <span class=\"synIdentifier\">}<\/span>,\n      <span class=\"synStatement\">description<\/span>: <span class=\"synIdentifier\">{<\/span> <span class=\"synStatement\">title<\/span>: <span class=\"synConstant\">\"\u6982\u8981\"<\/span>, <span class=\"synStatement\">type<\/span>: <span class=\"synConstant\">\"textarea\"<\/span>, <span class=\"synStatement\">content<\/span>: <span class=\"synConstant\">\"\"<\/span> <span class=\"synIdentifier\">}<\/span>,\n      <span class=\"synStatement\">tone<\/span>: <span class=\"synIdentifier\">{<\/span> <span class=\"synStatement\">title<\/span>: <span class=\"synConstant\">\"\u6587\u4f53\"<\/span>, <span class=\"synStatement\">type<\/span>: <span class=\"synConstant\">\"select\"<\/span>, <span class=\"synStatement\">content<\/span>: <span class=\"synConstant\">\"\"<\/span> <span class=\"synIdentifier\">}<\/span>,\n      <span class=\"synStatement\">audience<\/span>: <span class=\"synIdentifier\">{<\/span> <span class=\"synStatement\">title<\/span>: <span class=\"synConstant\">\"\u60f3\u5b9a\u8aad\u8005\"<\/span>, <span class=\"synStatement\">type<\/span>: <span class=\"synConstant\">\"textarea\"<\/span>, <span class=\"synStatement\">content<\/span>: <span class=\"synConstant\">\"\"<\/span> <span class=\"synIdentifier\">}<\/span>,\n      <span class=\"synStatement\">constraints<\/span>: <span class=\"synIdentifier\">{<\/span> <span class=\"synStatement\">title<\/span>: <span class=\"synConstant\">\"\u5236\u7d04\"<\/span>, <span class=\"synStatement\">type<\/span>: <span class=\"synConstant\">\"textarea\"<\/span>, <span class=\"synStatement\">content<\/span>: <span class=\"synConstant\">\"\"<\/span> <span class=\"synIdentifier\">}<\/span>,\n      <span class=\"synStatement\">length<\/span>: <span class=\"synIdentifier\">{<\/span> <span class=\"synStatement\">title<\/span>: <span class=\"synConstant\">\"\u6587\u91cf\"<\/span>, <span class=\"synStatement\">type<\/span>: <span class=\"synConstant\">\"textarea\"<\/span>, <span class=\"synStatement\">content<\/span>: <span class=\"synConstant\">\"\"<\/span> <span class=\"synIdentifier\">}<\/span>,\n      <span class=\"synStatement\">styleGuide<\/span>: <span class=\"synIdentifier\">{<\/span> <span class=\"synStatement\">title<\/span>: <span class=\"synConstant\">\"\u30b9\u30bf\u30a4\u30eb\u30ac\u30a4\u30c9\"<\/span>, <span class=\"synStatement\">type<\/span>: <span class=\"synConstant\">\"textarea\"<\/span>, <span class=\"synStatement\">content<\/span>: <span class=\"synConstant\">\"\"<\/span> <span class=\"synIdentifier\">}<\/span>,\n    <span class=\"synIdentifier\">}<\/span>);\n    setCurrentIdx(<span class=\"synConstant\">0<\/span>);\n    setSelectedDrafts(<span class=\"synIdentifier\">new<\/span> <span class=\"synType\">Set<\/span>());\n    setSelectedProjectId(<span class=\"synConstant\">\"\"<\/span>);\n    setSelectedTemplateId(<span class=\"synConstant\">\"\"<\/span>);\n    modalRef.<span class=\"synStatement\">current<\/span>?.<span class=\"synStatement\">close<\/span>();\n  <span class=\"synIdentifier\">}<\/span>;\n\n  <span class=\"synIdentifier\">const<\/span> handleCancelComplete = ()<span class=\"synPreProc\"> <\/span><span class=\"synType\">=&gt;<\/span> <span class=\"synIdentifier\">{<\/span>\n    modalRef.<span class=\"synStatement\">current<\/span>?.<span class=\"synStatement\">close<\/span>();\n  <span class=\"synIdentifier\">}<\/span>;\n\n  <span class=\"synStatement\">return<\/span> (\n    <span class=\"synIdentifier\">div <\/span><span class=\"synType\">className<\/span><span class=\"synStatement\">=<\/span><span class=\"synSpecial\">{<\/span>container<span class=\"synSpecial\">}<\/span>\n      <span class=\"synIdentifier\">div <\/span><span class=\"synType\">className<\/span><span class=\"synStatement\">=<\/span><span class=\"synSpecial\">{<\/span>formContainer<span class=\"synSpecial\">}<\/span>\n        <span class=\"synIdentifier\">h1 <\/span><span class=\"synType\">className<\/span><span class=\"synStatement\">=<\/span><span class=\"synSpecial\">{<\/span>title<span class=\"synSpecial\">}<\/span>\u30c9\u30e9\u30d5\u30c8\u3092\u8a2d\u8a08\u3059\u308b<\/pre>\n<p>\u591a\u304f\u306e state \u3084\u30e1\u30bd\u30c3\u30c9\u304c\u542b\u307e\u308c\u3066\u304a\u308a\u3001\u30ed\u30b8\u30c3\u30af\u90e8\u5206\u304c\u5927\u304d\u304f\u306a\u3063\u3066\u3057\u307e\u3063\u3066\u3044\u307e\u3059\u3002<br \/>\n\u307e\u305f 1 \u3064\u306e\u30e1\u30bd\u30c3\u30c9\u3067\u8907\u6570\u306e state \u306e\u30bb\u30c3\u30bf\u30fc\u3092\u547c\u3073\u51fa\u3057\u3066\u3044\u308b\u3053\u3068\u3082\u3042\u308a\u3001\u8aad\u307f\u89e3\u304f\u306e\u306b\u6642\u9593\u3092\u8981\u3057\u307e\u3059\u3002<br \/>\n\u3053\u306e\u30b3\u30fc\u30c9\u306e\u30ed\u30b8\u30c3\u30af\u3092\u30ab\u30b9\u30bf\u30e0 hook \u306b\u5207\u308a\u51fa\u3057\u3066\u307f\u307e\u3057\u3087\u3046\u3002<\/p>\n<h3 id=\"\u30aa\u30fc\u30b1\u30b9\u30c8\u30ec\u30fc\u30bf\u30fc-hook\">\u30aa\u30fc\u30b1\u30b9\u30c8\u30ec\u30fc\u30bf\u30fc hook<\/h3>\n<p>\u30ed\u30b8\u30c3\u30af\u3092\u5207\u308a\u51fa\u3057\u305f\u30aa\u30fc\u30b1\u30b9\u30c8\u30ec\u30fc\u30bf\u30fc hook \u306f\u4ee5\u4e0b\u306e\u3088\u3046\u306b\u5b9f\u88c5\u3057\u307e\u3059\u3002<\/p>\n<pre class=\"code lang-tsx\" data-lang=\"tsx\" data-unlink=\"\"><span class=\"synSpecial\">import<\/span> <span class=\"synIdentifier\">{<\/span> useCallback, useMemo, useReducer, useState <span class=\"synIdentifier\">}<\/span> <span class=\"synSpecial\">from<\/span> <span class=\"synConstant\">\"react\"<\/span>;\n\n<span class=\"synStatement\">type <\/span><span class=\"synIdentifier\">DraftForm <\/span><span class=\"synStatement\">=<\/span> <span class=\"synIdentifier\">{<\/span>\n  <span class=\"synIdentifier\">projectId<\/span>: <span class=\"synIdentifier\">{<\/span> <span class=\"synIdentifier\">title<\/span>: <span class=\"synType\">string<\/span><span class=\"synStatement\">;<\/span> <span class=\"synIdentifier\">type<\/span>: <span class=\"synConstant\">\"select\"<\/span><span class=\"synStatement\">;<\/span> <span class=\"synIdentifier\">content<\/span>: <span class=\"synType\">string<\/span> <span class=\"synIdentifier\">}<\/span><span class=\"synStatement\">;<\/span>\n  <span class=\"synIdentifier\">goal<\/span>: <span class=\"synIdentifier\">{<\/span> <span class=\"synIdentifier\">title<\/span>: <span class=\"synType\">string<\/span><span class=\"synStatement\">;<\/span> <span class=\"synIdentifier\">type<\/span>: <span class=\"synConstant\">\"textarea\"<\/span><span class=\"synStatement\">;<\/span> <span class=\"synIdentifier\">content<\/span>: <span class=\"synType\">string<\/span> <span class=\"synIdentifier\">}<\/span><span class=\"synStatement\">;<\/span>\n  <span class=\"synIdentifier\">description<\/span>: <span class=\"synIdentifier\">{<\/span> <span class=\"synIdentifier\">title<\/span>: <span class=\"synType\">string<\/span><span class=\"synStatement\">;<\/span> <span class=\"synIdentifier\">type<\/span>: <span class=\"synConstant\">\"textarea\"<\/span><span class=\"synStatement\">;<\/span> <span class=\"synIdentifier\">content<\/span>: <span class=\"synType\">string<\/span> <span class=\"synIdentifier\">}<\/span><span class=\"synStatement\">;<\/span>\n  <span class=\"synIdentifier\">tone<\/span>: <span class=\"synIdentifier\">{<\/span> <span class=\"synIdentifier\">title<\/span>: <span class=\"synType\">string<\/span><span class=\"synStatement\">;<\/span> <span class=\"synIdentifier\">type<\/span>: <span class=\"synConstant\">\"select\"<\/span><span class=\"synStatement\">;<\/span> <span class=\"synIdentifier\">content<\/span>: <span class=\"synType\">string<\/span> <span class=\"synIdentifier\">}<\/span><span class=\"synStatement\">;<\/span>\n<span class=\"synIdentifier\">}<\/span>;\n\n<span class=\"synStatement\">type <\/span><span class=\"synIdentifier\">State <\/span><span class=\"synStatement\">=<\/span> <span class=\"synIdentifier\">{<\/span>\n  <span class=\"synIdentifier\">requirements<\/span>: <span class=\"synIdentifier\">DraftForm<\/span><span class=\"synStatement\">;<\/span>\n  <span class=\"synIdentifier\">drafts<\/span>: <span class=\"synType\">string<\/span>[]<span class=\"synStatement\">;<\/span>\n  <span class=\"synIdentifier\">currentIdx<\/span>: <span class=\"synType\">number<\/span><span class=\"synStatement\">;<\/span>\n  <span class=\"synIdentifier\">selected<\/span>: <span class=\"synIdentifier\">Set<\/span>&lt;<span class=\"synType\">number<\/span>&gt;<span class=\"synStatement\">;<\/span>\n  <span class=\"synIdentifier\">projectId<\/span>: <span class=\"synType\">string<\/span><span class=\"synStatement\">;<\/span>\n  <span class=\"synIdentifier\">templateId<\/span>: <span class=\"synType\">string<\/span><span class=\"synStatement\">;<\/span>\n  <span class=\"synIdentifier\">isModalOpen<\/span>: <span class=\"synType\">boolean<\/span><span class=\"synStatement\">;<\/span>\n<span class=\"synIdentifier\">}<\/span>;\n\n<span class=\"synStatement\">type <\/span><span class=\"synIdentifier\">Action <\/span><span class=\"synStatement\">=<\/span>\n  <span class=\"synStatement\">|<\/span> <span class=\"synIdentifier\">{<\/span> <span class=\"synIdentifier\">type<\/span>: <span class=\"synConstant\">\"SET_DRAFTS\"<\/span><span class=\"synStatement\">;<\/span> <span class=\"synIdentifier\">drafts<\/span>: <span class=\"synType\">string<\/span>[]<span class=\"synStatement\">;<\/span> <span class=\"synIdentifier\">requirements<\/span>: <span class=\"synIdentifier\">DraftForm<\/span> <span class=\"synIdentifier\">}<\/span>\n  <span class=\"synStatement\">|<\/span> <span class=\"synIdentifier\">{<\/span> <span class=\"synIdentifier\">type<\/span>: <span class=\"synConstant\">\"PREV\"<\/span> <span class=\"synIdentifier\">}<\/span>\n  <span class=\"synStatement\">|<\/span> <span class=\"synIdentifier\">{<\/span> <span class=\"synIdentifier\">type<\/span>: <span class=\"synConstant\">\"NEXT\"<\/span> <span class=\"synIdentifier\">}<\/span>\n  <span class=\"synStatement\">|<\/span> <span class=\"synIdentifier\">{<\/span> <span class=\"synIdentifier\">type<\/span>: <span class=\"synConstant\">\"TOGGLE_SELECT_CURRENT\"<\/span> <span class=\"synIdentifier\">}<\/span>\n  <span class=\"synStatement\">|<\/span> <span class=\"synIdentifier\">{<\/span> <span class=\"synIdentifier\">type<\/span>: <span class=\"synConstant\">\"SET_PROJECT\"<\/span><span class=\"synStatement\">;<\/span> <span class=\"synIdentifier\">projectId<\/span>: <span class=\"synType\">string<\/span> <span class=\"synIdentifier\">}<\/span>\n  <span class=\"synStatement\">|<\/span> <span class=\"synIdentifier\">{<\/span> <span class=\"synIdentifier\">type<\/span>: <span class=\"synConstant\">\"SET_TEMPLATE\"<\/span><span class=\"synStatement\">;<\/span> <span class=\"synIdentifier\">templateId<\/span>: <span class=\"synType\">string<\/span> <span class=\"synIdentifier\">}<\/span>\n  <span class=\"synStatement\">|<\/span> <span class=\"synIdentifier\">{<\/span> <span class=\"synIdentifier\">type<\/span>: <span class=\"synConstant\">\"OPEN_MODAL\"<\/span> <span class=\"synIdentifier\">}<\/span>\n  <span class=\"synStatement\">|<\/span> <span class=\"synIdentifier\">{<\/span> <span class=\"synIdentifier\">type<\/span>: <span class=\"synConstant\">\"CLOSE_MODAL\"<\/span> <span class=\"synIdentifier\">}<\/span>\n  <span class=\"synStatement\">|<\/span> <span class=\"synIdentifier\">{<\/span> <span class=\"synIdentifier\">type<\/span>: <span class=\"synConstant\">\"RESET\"<\/span> <span class=\"synIdentifier\">}<\/span>;\n\n<span class=\"synIdentifier\">const<\/span> initialRequirements = ():<span class=\"synPreProc\"> <\/span><span class=\"synIdentifier\">DraftForm<\/span><span class=\"synPreProc\"> <\/span><span class=\"synType\">=&gt;<\/span> (<span class=\"synIdentifier\">{<\/span>\n  <span class=\"synStatement\">projectId<\/span>: <span class=\"synIdentifier\">{<\/span> <span class=\"synStatement\">title<\/span>: <span class=\"synConstant\">\"\u30d7\u30ed\u30b8\u30a7\u30af\u30c8\"<\/span>, <span class=\"synStatement\">type<\/span>: <span class=\"synConstant\">\"select\"<\/span>, <span class=\"synStatement\">content<\/span>: <span class=\"synConstant\">\"\"<\/span> <span class=\"synIdentifier\">}<\/span>,\n  <span class=\"synStatement\">goal<\/span>: <span class=\"synIdentifier\">{<\/span> <span class=\"synStatement\">title<\/span>: <span class=\"synConstant\">\"\u76ee\u7684\"<\/span>, <span class=\"synStatement\">type<\/span>: <span class=\"synConstant\">\"textarea\"<\/span>, <span class=\"synStatement\">content<\/span>: <span class=\"synConstant\">\"\"<\/span> <span class=\"synIdentifier\">}<\/span>,\n  <span class=\"synStatement\">description<\/span>: <span class=\"synIdentifier\">{<\/span> <span class=\"synStatement\">title<\/span>: <span class=\"synConstant\">\"\u6982\u8981\"<\/span>, <span class=\"synStatement\">type<\/span>: <span class=\"synConstant\">\"textarea\"<\/span>, <span class=\"synStatement\">content<\/span>: <span class=\"synConstant\">\"\"<\/span> <span class=\"synIdentifier\">}<\/span>,\n  <span class=\"synStatement\">tone<\/span>: <span class=\"synIdentifier\">{<\/span> <span class=\"synStatement\">title<\/span>: <span class=\"synConstant\">\"\u6587\u4f53\"<\/span>, <span class=\"synStatement\">type<\/span>: <span class=\"synConstant\">\"select\"<\/span>, <span class=\"synStatement\">content<\/span>: <span class=\"synConstant\">\"\"<\/span> <span class=\"synIdentifier\">}<\/span>,\n<span class=\"synIdentifier\">}<\/span>);\n\n<span class=\"synIdentifier\">const<\/span> init: <span class=\"synIdentifier\">State<\/span> = <span class=\"synIdentifier\">{<\/span>\n  <span class=\"synStatement\">requirements<\/span>: initialRequirements(),\n  <span class=\"synStatement\">drafts<\/span>: <span class=\"synIdentifier\">[]<\/span>,\n  <span class=\"synStatement\">currentIdx<\/span>: <span class=\"synConstant\">0<\/span>,\n  <span class=\"synStatement\">selected<\/span>: <span class=\"synIdentifier\">new<\/span> <span class=\"synType\">Set<\/span>(),\n  <span class=\"synStatement\">projectId<\/span>: <span class=\"synConstant\">\"\"<\/span>,\n  <span class=\"synStatement\">templateId<\/span>: <span class=\"synConstant\">\"\"<\/span>,\n  <span class=\"synStatement\">isModalOpen<\/span>: <span class=\"synConstant\">false<\/span>,\n<span class=\"synIdentifier\">}<\/span>;\n\n<span class=\"synStatement\">function<\/span> <span class=\"synIdentifier\">reducer<\/span>(<span class=\"synPreProc\">state<\/span>:<span class=\"synPreProc\"> <\/span><span class=\"synIdentifier\">State<\/span><span class=\"synStatement\">,<\/span><span class=\"synPreProc\"> action<\/span>:<span class=\"synPreProc\"> <\/span><span class=\"synIdentifier\">Action<\/span>): <span class=\"synIdentifier\">State<\/span> <span class=\"synIdentifier\">{<\/span>\n  <span class=\"synStatement\">switch<\/span> (action.<span class=\"synStatement\">type<\/span>) <span class=\"synIdentifier\">{<\/span>\n    <span class=\"synStatement\">case<\/span> <span class=\"synConstant\">\"SET_DRAFTS\"<\/span>:\n      <span class=\"synStatement\">return<\/span> <span class=\"synIdentifier\">{<\/span>\n        ...state,\n        <span class=\"synStatement\">drafts<\/span>: action.drafts,\n        <span class=\"synStatement\">requirements<\/span>: action.requirements,\n        <span class=\"synStatement\">currentIdx<\/span>: <span class=\"synConstant\">0<\/span>,\n      <span class=\"synIdentifier\">}<\/span>;\n    <span class=\"synStatement\">case<\/span> <span class=\"synConstant\">\"PREV\"<\/span>:\n      <span class=\"synStatement\">return<\/span> <span class=\"synIdentifier\">{<\/span> ...state, <span class=\"synStatement\">currentIdx<\/span>: <span class=\"synType\">Math<\/span>.<span class=\"synStatement\">max<\/span>(<span class=\"synConstant\">0<\/span>, state.currentIdx - <span class=\"synConstant\">1<\/span>) <span class=\"synIdentifier\">}<\/span>;\n    <span class=\"synStatement\">case<\/span> <span class=\"synConstant\">\"NEXT\"<\/span>:\n      <span class=\"synStatement\">return<\/span> <span class=\"synIdentifier\">{<\/span>\n        ...state,\n        <span class=\"synStatement\">currentIdx<\/span>: <span class=\"synType\">Math<\/span>.<span class=\"synStatement\">min<\/span>(state.drafts.<span class=\"synStatement\">length<\/span> - <span class=\"synConstant\">1<\/span>, state.currentIdx + <span class=\"synConstant\">1<\/span>),\n      <span class=\"synIdentifier\">}<\/span>;\n    <span class=\"synStatement\">case<\/span> <span class=\"synConstant\">\"TOGGLE_SELECT_CURRENT\"<\/span>: <span class=\"synIdentifier\">{<\/span>\n      <span class=\"synIdentifier\">const<\/span> next = <span class=\"synIdentifier\">new<\/span> <span class=\"synType\">Set<\/span>(state.<span class=\"synStatement\">selected<\/span>);\n      next.<span class=\"synStatement\">has<\/span>(state.currentIdx) ? next.<span class=\"synStatement\">delete<\/span>(state.currentIdx) : next.<span class=\"synStatement\">add<\/span>(state.currentIdx);\n      <span class=\"synStatement\">return<\/span> <span class=\"synIdentifier\">{<\/span> ...state, <span class=\"synStatement\">selected<\/span>: next <span class=\"synIdentifier\">}<\/span>;\n    <span class=\"synIdentifier\">}<\/span>\n    <span class=\"synStatement\">case<\/span> <span class=\"synConstant\">\"SET_PROJECT\"<\/span>:\n      <span class=\"synStatement\">return<\/span> <span class=\"synIdentifier\">{<\/span> ...state, <span class=\"synStatement\">projectId<\/span>: action.projectId, <span class=\"synStatement\">templateId<\/span>: <span class=\"synConstant\">\"\"<\/span> <span class=\"synIdentifier\">}<\/span>;\n    <span class=\"synStatement\">case<\/span> <span class=\"synConstant\">\"SET_TEMPLATE\"<\/span>:\n      <span class=\"synStatement\">return<\/span> <span class=\"synIdentifier\">{<\/span> ...state, <span class=\"synStatement\">templateId<\/span>: action.templateId <span class=\"synIdentifier\">}<\/span>;\n    <span class=\"synStatement\">case<\/span> <span class=\"synConstant\">\"OPEN_MODAL\"<\/span>:\n      <span class=\"synStatement\">return<\/span> <span class=\"synIdentifier\">{<\/span> ...state, <span class=\"synStatement\">isModalOpen<\/span>: <span class=\"synConstant\">true<\/span> <span class=\"synIdentifier\">}<\/span>;\n    <span class=\"synStatement\">case<\/span> <span class=\"synConstant\">\"CLOSE_MODAL\"<\/span>:\n      <span class=\"synStatement\">return<\/span> <span class=\"synIdentifier\">{<\/span> ...state, <span class=\"synStatement\">isModalOpen<\/span>: <span class=\"synConstant\">false<\/span> <span class=\"synIdentifier\">}<\/span>;\n    <span class=\"synStatement\">case<\/span> <span class=\"synConstant\">\"RESET\"<\/span>:\n      <span class=\"synStatement\">return<\/span> <span class=\"synIdentifier\">{<\/span> ...init, <span class=\"synStatement\">requirements<\/span>: initialRequirements() <span class=\"synIdentifier\">}<\/span>;\n    <span class=\"synStatement\">default<\/span>:\n      <span class=\"synStatement\">return<\/span> state;\n  <span class=\"synIdentifier\">}<\/span>\n<span class=\"synIdentifier\">}<\/span>\n\n<span class=\"synStatement\">async<\/span> <span class=\"synStatement\">function<\/span> <span class=\"synIdentifier\">createDraftsAction<\/span>(<span class=\"synPreProc\">input<\/span>:<span class=\"synPreProc\"> <\/span><span class=\"synIdentifier\">{<\/span>\n  <span class=\"synIdentifier\">request<\/span>: <span class=\"synIdentifier\">DraftForm<\/span><span class=\"synStatement\">;<\/span>\n  <span class=\"synIdentifier\">drafts<\/span>: <span class=\"synType\">string<\/span>[]<span class=\"synStatement\">;<\/span>\n  <span class=\"synIdentifier\">projectId<\/span>: <span class=\"synType\">string<\/span><span class=\"synStatement\">;<\/span>\n  <span class=\"synIdentifier\">templateId<\/span>: <span class=\"synType\">string<\/span><span class=\"synStatement\">;<\/span>\n<span class=\"synIdentifier\">}<\/span>) <span class=\"synIdentifier\">{<\/span>\n  \n  <span class=\"synStatement\">await<\/span> <span class=\"synIdentifier\">new<\/span> <span class=\"synType\">Promise<\/span>((<span class=\"synPreProc\">r<\/span>)<span class=\"synPreProc\"> <\/span><span class=\"synType\">=&gt;<\/span> <span class=\"synType\">setTimeout<\/span>(r, <span class=\"synConstant\">600<\/span>));\n<span class=\"synIdentifier\">}<\/span>\n\n<span class=\"synSpecial\">export<\/span> <span class=\"synStatement\">function<\/span> <span class=\"synIdentifier\">useDraftCreate<\/span>() <span class=\"synIdentifier\">{<\/span>\n  <span class=\"synIdentifier\">const<\/span> <span class=\"synIdentifier\">[<\/span><span class=\"synPreProc\">state<\/span>, <span class=\"synPreProc\">dispatch<\/span><span class=\"synIdentifier\">]<\/span> = useReducer(reducer, init);\n  <span class=\"synIdentifier\">const<\/span> <span class=\"synIdentifier\">[<\/span><span class=\"synPreProc\">isPending<\/span>, <span class=\"synPreProc\">setIsPending<\/span><span class=\"synIdentifier\">]<\/span> = useState(<span class=\"synConstant\">false<\/span>);\n\n  <span class=\"synIdentifier\">const<\/span> vm = useMemo(()<span class=\"synPreProc\"> <\/span><span class=\"synType\">=&gt;<\/span> <span class=\"synIdentifier\">{<\/span>\n    <span class=\"synIdentifier\">const<\/span> isCurrentSelected = state.<span class=\"synStatement\">selected<\/span>.<span class=\"synStatement\">has<\/span>(state.currentIdx);\n    <span class=\"synIdentifier\">const<\/span> canPrev = state.currentIdx &gt; <span class=\"synConstant\">0<\/span>;\n    <span class=\"synIdentifier\">const<\/span> canNext = state.currentIdx &lt; state.drafts.<span class=\"synStatement\">length<\/span> - <span class=\"synConstant\">1<\/span>;\n    <span class=\"synIdentifier\">const<\/span> counter =\n      state.drafts.<span class=\"synStatement\">length<\/span> &gt; <span class=\"synConstant\">0<\/span> ? <span class=\"synConstant\">`\u30c9\u30e9\u30d5\u30c8 <\/span><span class=\"synStatement\">${<\/span>state.currentIdx + <span class=\"synConstant\">1<\/span><span class=\"synStatement\">}<\/span><span class=\"synConstant\"> \/ <\/span><span class=\"synStatement\">${<\/span>state.drafts.<span class=\"synStatement\">length}<\/span><span class=\"synConstant\">`<\/span> : <span class=\"synConstant\">\"\"<\/span>;\n\n    <span class=\"synStatement\">return<\/span> <span class=\"synIdentifier\">{<\/span>\n      ...state,\n      <span class=\"synStatement\">isCurrentSelected<\/span>,\n      <span class=\"synStatement\">selectedCount<\/span>: state.<span class=\"synStatement\">selected<\/span>.<span class=\"synStatement\">size<\/span>,\n      <span class=\"synStatement\">canPrev<\/span>,\n      <span class=\"synStatement\">canNext<\/span>,\n      <span class=\"synStatement\">counter<\/span>,\n      <span class=\"synStatement\">currentText<\/span>: state.drafts[state.currentIdx] ?? <span class=\"synConstant\">\"\"<\/span>,\n    <span class=\"synIdentifier\">}<\/span>;\n  <span class=\"synIdentifier\">}<\/span>, <span class=\"synIdentifier\">[<\/span>state<span class=\"synIdentifier\">]<\/span>);\n\n  <span class=\"synIdentifier\">const<\/span> setDrafts = useCallback((<span class=\"synPreProc\">drafts<\/span>:<span class=\"synPreProc\"> <\/span><span class=\"synType\">string<\/span>[]<span class=\"synStatement\">,<\/span><span class=\"synPreProc\"> requirements<\/span>:<span class=\"synPreProc\"> <\/span><span class=\"synIdentifier\">DraftForm<\/span>)<span class=\"synPreProc\"> <\/span><span class=\"synType\">=&gt;<\/span> <span class=\"synIdentifier\">{<\/span>\n    dispatch(<span class=\"synIdentifier\">{<\/span> <span class=\"synStatement\">type<\/span>: <span class=\"synConstant\">\"SET_DRAFTS\"<\/span>, <span class=\"synStatement\">drafts<\/span>, <span class=\"synStatement\">requirements <\/span><span class=\"synIdentifier\">}<\/span>);\n  <span class=\"synIdentifier\">}<\/span>, <span class=\"synIdentifier\">[]<\/span>);\n\n  <span class=\"synIdentifier\">const<\/span> prev = useCallback(()<span class=\"synPreProc\"> <\/span><span class=\"synType\">=&gt;<\/span> <span class=\"synIdentifier\">{<\/span>\n    dispatch(<span class=\"synIdentifier\">{<\/span> <span class=\"synStatement\">type<\/span>: <span class=\"synConstant\">\"PREV\"<\/span> <span class=\"synIdentifier\">}<\/span>);\n  <span class=\"synIdentifier\">}<\/span>, <span class=\"synIdentifier\">[]<\/span>);\n\n  <span class=\"synIdentifier\">const<\/span> next = useCallback(()<span class=\"synPreProc\"> <\/span><span class=\"synType\">=&gt;<\/span> <span class=\"synIdentifier\">{<\/span>\n    dispatch(<span class=\"synIdentifier\">{<\/span> <span class=\"synStatement\">type<\/span>: <span class=\"synConstant\">\"NEXT\"<\/span> <span class=\"synIdentifier\">}<\/span>);\n  <span class=\"synIdentifier\">}<\/span>, <span class=\"synIdentifier\">[]<\/span>);\n\n  <span class=\"synIdentifier\">const<\/span> toggleSelectCurrent = useCallback(()<span class=\"synPreProc\"> <\/span><span class=\"synType\">=&gt;<\/span> <span class=\"synIdentifier\">{<\/span>\n    dispatch(<span class=\"synIdentifier\">{<\/span> <span class=\"synStatement\">type<\/span>: <span class=\"synConstant\">\"TOGGLE_SELECT_CURRENT\"<\/span> <span class=\"synIdentifier\">}<\/span>);\n  <span class=\"synIdentifier\">}<\/span>, <span class=\"synIdentifier\">[]<\/span>);\n\n  <span class=\"synIdentifier\">const<\/span> setProject = useCallback((<span class=\"synPreProc\">projectId<\/span>:<span class=\"synPreProc\"> <\/span><span class=\"synType\">string<\/span>)<span class=\"synPreProc\"> <\/span><span class=\"synType\">=&gt;<\/span> <span class=\"synIdentifier\">{<\/span>\n    dispatch(<span class=\"synIdentifier\">{<\/span> <span class=\"synStatement\">type<\/span>: <span class=\"synConstant\">\"SET_PROJECT\"<\/span>, <span class=\"synStatement\">projectId <\/span><span class=\"synIdentifier\">}<\/span>);\n  <span class=\"synIdentifier\">}<\/span>, <span class=\"synIdentifier\">[]<\/span>);\n\n  <span class=\"synIdentifier\">const<\/span> setTemplate = useCallback((<span class=\"synPreProc\">templateId<\/span>:<span class=\"synPreProc\"> <\/span><span class=\"synType\">string<\/span>)<span class=\"synPreProc\"> <\/span><span class=\"synType\">=&gt;<\/span> <span class=\"synIdentifier\">{<\/span>\n    dispatch(<span class=\"synIdentifier\">{<\/span> <span class=\"synStatement\">type<\/span>: <span class=\"synConstant\">\"SET_TEMPLATE\"<\/span>, <span class=\"synStatement\">templateId <\/span><span class=\"synIdentifier\">}<\/span>);\n  <span class=\"synIdentifier\">}<\/span>, <span class=\"synIdentifier\">[]<\/span>);\n\n  <span class=\"synIdentifier\">const<\/span> openModal = useCallback(()<span class=\"synPreProc\"> <\/span><span class=\"synType\">=&gt;<\/span> <span class=\"synIdentifier\">{<\/span>\n    dispatch(<span class=\"synIdentifier\">{<\/span> <span class=\"synStatement\">type<\/span>: <span class=\"synConstant\">\"OPEN_MODAL\"<\/span> <span class=\"synIdentifier\">}<\/span>);\n  <span class=\"synIdentifier\">}<\/span>, <span class=\"synIdentifier\">[]<\/span>);\n\n  <span class=\"synIdentifier\">const<\/span> closeModal = useCallback(()<span class=\"synPreProc\"> <\/span><span class=\"synType\">=&gt;<\/span> <span class=\"synIdentifier\">{<\/span>\n    dispatch(<span class=\"synIdentifier\">{<\/span> <span class=\"synStatement\">type<\/span>: <span class=\"synConstant\">\"CLOSE_MODAL\"<\/span> <span class=\"synIdentifier\">}<\/span>);\n  <span class=\"synIdentifier\">}<\/span>, <span class=\"synIdentifier\">[]<\/span>);\n\n  <span class=\"synIdentifier\">const<\/span> resetAll = useCallback(()<span class=\"synPreProc\"> <\/span><span class=\"synType\">=&gt;<\/span> <span class=\"synIdentifier\">{<\/span>\n    dispatch(<span class=\"synIdentifier\">{<\/span> <span class=\"synStatement\">type<\/span>: <span class=\"synConstant\">\"RESET\"<\/span> <span class=\"synIdentifier\">}<\/span>);\n  <span class=\"synIdentifier\">}<\/span>, <span class=\"synIdentifier\">[]<\/span>);\n\n  <span class=\"synIdentifier\">const<\/span> confirmComplete = useCallback(<span class=\"synStatement\">async<\/span> ()<span class=\"synPreProc\"> <\/span><span class=\"synType\">=&gt;<\/span> <span class=\"synIdentifier\">{<\/span>\n    <span class=\"synStatement\">if<\/span> (state.<span class=\"synStatement\">selected<\/span>.<span class=\"synStatement\">size<\/span> === <span class=\"synConstant\">0<\/span>) <span class=\"synStatement\">return<\/span>;\n\n    <span class=\"synStatement\">if<\/span> (!state.projectId) <span class=\"synIdentifier\">{<\/span>\n      <span class=\"synType\">alert<\/span>(<span class=\"synConstant\">\"\u30d7\u30ed\u30b8\u30a7\u30af\u30c8\u3092\u9078\u629e\u3057\u3066\u304f\u3060\u3055\u3044\"<\/span>);\n      <span class=\"synStatement\">return<\/span>;\n    <span class=\"synIdentifier\">}<\/span>\n    <span class=\"synStatement\">if<\/span> (!state.templateId) <span class=\"synIdentifier\">{<\/span>\n      <span class=\"synType\">alert<\/span>(<span class=\"synConstant\">\"\u30c6\u30f3\u30d7\u30ec\u30fc\u30c8\u3092\u9078\u629e\u3057\u3066\u304f\u3060\u3055\u3044\"<\/span>);\n      <span class=\"synStatement\">return<\/span>;\n    <span class=\"synIdentifier\">}<\/span>\n\n    <span class=\"synIdentifier\">const<\/span> selectedDrafts = <span class=\"synType\">Array<\/span>.<span class=\"synStatement\">from<\/span>(state.<span class=\"synStatement\">selected<\/span>).<span class=\"synStatement\">map<\/span>((<span class=\"synPreProc\">i<\/span>)<span class=\"synPreProc\"> <\/span><span class=\"synType\">=&gt;<\/span> state.drafts[i]);\n\n    setIsPending(<span class=\"synConstant\">true<\/span>);\n    <span class=\"synSpecial\">try<\/span> <span class=\"synIdentifier\">{<\/span>\n      <span class=\"synStatement\">await<\/span> createDraftsAction(<span class=\"synIdentifier\">{<\/span>\n        <span class=\"synStatement\">request<\/span>: state.requirements,\n        <span class=\"synStatement\">drafts<\/span>: selectedDrafts,\n        <span class=\"synStatement\">projectId<\/span>: state.projectId,\n        <span class=\"synStatement\">templateId<\/span>: state.templateId,\n      <span class=\"synIdentifier\">}<\/span>);\n      dispatch(<span class=\"synIdentifier\">{<\/span> <span class=\"synStatement\">type<\/span>: <span class=\"synConstant\">\"RESET\"<\/span> <span class=\"synIdentifier\">}<\/span>);\n    <span class=\"synIdentifier\">}<\/span> <span class=\"synSpecial\">finally<\/span> <span class=\"synIdentifier\">{<\/span>\n      setIsPending(<span class=\"synConstant\">false<\/span>);\n    <span class=\"synIdentifier\">}<\/span>\n  <span class=\"synIdentifier\">}<\/span>, <span class=\"synIdentifier\">[<\/span>state<span class=\"synIdentifier\">]<\/span>);\n\n  <span class=\"synIdentifier\">const<\/span> act = useMemo(\n    ()<span class=\"synPreProc\"> <\/span><span class=\"synType\">=&gt;<\/span> (<span class=\"synIdentifier\">{<\/span>\n      <span class=\"synStatement\">setDrafts<\/span>,\n      <span class=\"synStatement\">prev<\/span>,\n      <span class=\"synStatement\">next<\/span>,\n      <span class=\"synStatement\">toggleSelectCurrent<\/span>,\n      <span class=\"synStatement\">setProject<\/span>,\n      <span class=\"synStatement\">setTemplate<\/span>,\n      <span class=\"synStatement\">openModal<\/span>,\n      <span class=\"synStatement\">closeModal<\/span>,\n      <span class=\"synStatement\">resetAll<\/span>,\n      <span class=\"synStatement\">confirmComplete<\/span>,\n    <span class=\"synIdentifier\">}<\/span>),\n    <span class=\"synIdentifier\">[<\/span>\n      setDrafts,\n      prev,\n      next,\n      toggleSelectCurrent,\n      setProject,\n      setTemplate,\n      openModal,\n      closeModal,\n      resetAll,\n      confirmComplete,\n    <span class=\"synIdentifier\">]<\/span>,\n  );\n\n  <span class=\"synStatement\">return<\/span> <span class=\"synIdentifier\">[<\/span>vm, act, isPending<span class=\"synIdentifier\">]<\/span> <span class=\"synSpecial\">as<\/span> <span class=\"synIdentifier\">const<\/span>;\n<span class=\"synIdentifier\">}<\/span>\n<\/pre>\n<p>\u5b9f\u88c5\u306e\u30dd\u30a4\u30f3\u30c8\u3092\u8aac\u660e\u3057\u307e\u3059\u3002<\/p>\n<h3 id=\"1-\u8fd4\u308a\u5024\u306f-vm-act-isPending-\u306b\u9650\u5b9a\u3059\u308b\">1. \u8fd4\u308a\u5024\u306f [vm, act, isPending] \u306b\u9650\u5b9a\u3059\u308b<\/h3>\n<p>\u30b3\u30f3\u30dd\u30fc\u30cd\u30f3\u30c8\u306b\u5fc5\u8981\u306a\u3082\u306e\u3092<strong>UI\u306e\u8996\u70b9\u3067\u5927\u304d\u304f 2 \u3064\u306b\u9650\u5b9a<\/strong>\u3057\u307e\u3059\u3002<\/p>\n<p>1 \u3064\u306f\u8868\u793a\u306b\u5fc5\u8981\u306a<strong>\u51fa\u6765\u4e0a\u304c\u3063\u305f\u30c7\u30fc\u30bf<\/strong> (vm = ViewModel) \u3067\u3001\u3082\u30461\u3064\u306f\u753b\u9762\u64cd\u4f5c\u306b\u5bfe\u5fdc\u3059\u308b<strong>\u52d5\u8a5e<\/strong> (act = Actions) \u3067\u3059\u3002<br \/>\n\u3053\u308c\u306b\u52a0\u3048\u3066\u3001\u5fc5\u8981\u306b\u5fdc\u3058\u3066\u3067\u3059\u304c\u3001\u30c7\u30fc\u30bf\u30ed\u30fc\u30c9\u4e2d\u306a\u3069\u3092\u8868\u73fe\u3059\u308b\u305f\u3081\u306e isPending \u3082\u8fd4\u3057\u3066\u304a\u304f\u3053\u3068\u306b\u3057\u307e\u3059\u3002<\/p>\n<p>\u3053\u308c\u306b\u3088\u308a\u3001<strong>\u201cUI\u304c\u6b32\u3057\u3044\u3082\u306e\u3060\u3051\u201d\u3092\u7d04\u675f<\/strong>\u3059\u308b\u306e\u3067\u3001\u4f7f\u7528\u5074\u304b\u3089\u898b\u305fAPI\u9762\u304c\u4e00\u6c17\u306b\u5c0f\u3055\u304f\u306a\u308a\u307e\u3059\u3002<\/p>\n<h3 id=\"2-reducer\u3092\u7d14\u7c8b\u306b\u4fdd\u3064\">2. reducer\u3092\u201c\u7d14\u7c8b\u201d\u306b\u4fdd\u3064<\/h3>\n<p>act\u306e\u4e2d\u8eab\u306f<strong>\u975e\u540c\u671f\u30fb\u526f\u4f5c\u7528\uff08\u30a2\u30e9\u30fc\u30c8\u3001\u30eb\u30fc\u30bf\u30fc\u9077\u79fb\u306a\u3069\uff09\u30fb\u8907\u5408\u30e6\u30fc\u30b9\u30b1\u30fc\u30b9\u306e\u30aa\u30fc\u30b1\u30b9\u30c8\u30ec\u30fc\u30b7\u30e7\u30f3<\/strong>\uff08\u4f8b\u3048\u3070\u3001\u691c\u8a3c\u2192API\u2192\u7d50\u679c\u306b\u5fdc\u3058\u305f dispatch\uff09\u306b\u306a\u308b\u3067\u3057\u3087\u3046\u3002<br \/>\nuseReducer \u306e reducer \u306f\u30aa\u30fc\u30b1\u30b9\u30c8\u30ec\u30fc\u30b7\u30e7\u30f3\u306e\u4e2d\u3067\u767a\u751f\u3059\u308b\u540c\u671f\u306e\u72b6\u614b\u9077\u79fb\u3060\u3051\u3092\u6271\u3046\u7d14\u7c8b\u95a2\u6570\u3068\u3057\u3066\u4fdd\u3064\u3088\u3046\u306b\u3057\u307e\u3057\u3087\u3046\u3002<\/p>\n<p>\u4f8b\u3048\u3070 confirmComplete \u306f\u753b\u9762\u64cd\u4f5c\u306b\u547c\u5fdc\u3057\u3066\u767a\u751f\u3059\u308b\u975e\u540c\u671f\u306e\u51e6\u7406\u3067\u3059\u304c\u3001\u51e6\u7406\u672c\u4f53\u306f act \u5185\u306b\u8a18\u8f09\u3057\u3066\u3044\u307e\u3059\u3002<br \/>\n\u305d\u3057\u3066\u975e\u540c\u671f\u51e6\u7406\u306e\u7d50\u679c\u767a\u751f\u3059\u308b\u72b6\u614b\u9077\u79fb\u306e\u51e6\u7406\u306f reducer \u306b\u5b9a\u7fa9\u3057\u3001dispatch({ type: &#8220;RESET&#8221; }); \u3067\u3053\u308c\u3092\u547c\u3073\u51fa\u3057\u3066\u3044\u307e\u3059\u3002<\/p>\n<p>\u4e0a\u8a18\u306e\u30dd\u30a4\u30f3\u30c8\u3092\u6291\u3048\u308b\u3053\u3068\u3067\u3001\u5358\u306b\u30ed\u30b8\u30c3\u30af\u3092\u4e38\u3054\u3068 hook \u306b\u79fb\u884c\u3059\u308b\u306e\u3067\u306f\u306a\u304f\u3001<strong>\u30c6\u30b9\u30bf\u30d3\u30ea\u30c6\u30a3\u3001\u53ef\u8aad\u6027\u3001\u5b9f\u88c5\u306e\u4e00\u8cab\u6027\u3092\u9ad8\u3081\u308b<\/strong>\u3053\u3068\u304c\u3067\u304d\u307e\u3059\u3002<\/p>\n<h3 id=\"\u30ed\u30b8\u30c3\u30af\u5207\u308a\u51fa\u3057\u5f8c\u306e-tsx\">\u30ed\u30b8\u30c3\u30af\u5207\u308a\u51fa\u3057\u5f8c\u306e tsx<\/h3>\n<p>\u524d\u7bc0\u3067\u30b3\u30f3\u30dd\u30fc\u30cd\u30f3\u30c8\u306e\u30ed\u30b8\u30c3\u30af\u3092\u30aa\u30fc\u30b1\u30b9\u30c8\u30ec\u30fc\u30bf\u30fc hook \u306b\u5207\u308a\u51fa\u3057\u307e\u3057\u305f\u3002 \u305d\u306e\u7d50\u679c tsx \u306e\u5b9f\u88c5\u304c\u3069\u306e\u3088\u3046\u306b\u306a\u3063\u305f\u304b\u898b\u3066\u307f\u307e\u3057\u3087\u3046\u3002<\/p>\n<pre class=\"code lang-tsx\" data-lang=\"tsx\" data-unlink=\"\"><span class=\"synConstant\">\"use client\"<\/span>;\n\n<span class=\"synSpecial\">import<\/span> <span class=\"synIdentifier\">{<\/span> useDraftCreate <span class=\"synIdentifier\">}<\/span> <span class=\"synSpecial\">from<\/span> <span class=\"synConstant\">\".\/use-draft-create\"<\/span>;\n\n<span class=\"synStatement\">function<\/span> <span class=\"synIdentifier\">DraftForm<\/span>(<span class=\"synPreProc\">props<\/span>:<span class=\"synPreProc\"> <\/span><span class=\"synIdentifier\">{<\/span>\n  <span class=\"synIdentifier\">requirements<\/span>: <span class=\"synType\">any<\/span><span class=\"synStatement\">;<\/span>\n  <span class=\"synIdentifier\">projects<\/span>: <span class=\"synIdentifier\">Array<\/span>&lt;<span class=\"synIdentifier\">{<\/span> <span class=\"synIdentifier\">id<\/span>: <span class=\"synType\">string<\/span><span class=\"synStatement\">;<\/span> <span class=\"synIdentifier\">name<\/span>: <span class=\"synType\">string<\/span> <span class=\"synIdentifier\">}<\/span>&gt;<span class=\"synStatement\">;<\/span>\n  <span class=\"synIdentifier\">selectedProjectId<\/span>: <span class=\"synType\">string<\/span><span class=\"synStatement\">;<\/span>\n  <span class=\"synIdentifier\">onSetDrafts<\/span>: (<span class=\"synSpecial\">drafts<\/span>:<span class=\"synSpecial\"> <\/span><span class=\"synType\">string<\/span>[]<span class=\"synStatement\">,<\/span><span class=\"synSpecial\"> req<\/span>:<span class=\"synSpecial\"> <\/span><span class=\"synType\">any<\/span>) <span class=\"synIdentifier\">=&gt;<\/span> <span class=\"synType\">void<\/span><span class=\"synStatement\">;<\/span>\n  <span class=\"synIdentifier\">onProjectChange<\/span>: (<span class=\"synSpecial\">id<\/span>:<span class=\"synSpecial\"> <\/span><span class=\"synType\">string<\/span>) <span class=\"synIdentifier\">=&gt;<\/span> <span class=\"synType\">void<\/span><span class=\"synStatement\">;<\/span>\n  <span class=\"synIdentifier\">onTemplateChange<\/span>: (<span class=\"synSpecial\">id<\/span>:<span class=\"synSpecial\"> <\/span><span class=\"synType\">string<\/span>) <span class=\"synIdentifier\">=&gt;<\/span> <span class=\"synType\">void<\/span><span class=\"synStatement\">;<\/span>\n<span class=\"synIdentifier\">}<\/span>) <span class=\"synIdentifier\">{<\/span>\n  \n  <span class=\"synStatement\">return<\/span> <span class=\"synIdentifier\">div<\/span>\u30d5\u30a9\u30fc\u30e0\uff08\u7701\u7565\uff09<\/pre>\n<p>\u5148\u307b\u3069\u4f5c\u6210\u3057\u305f\u30aa\u30fc\u30b1\u30b9\u30c8\u30ec\u30fc\u30bf\u30fc hook \u304c useDraftCreate \u3067\u3059\u3002<br \/>\nDraftCreate \u30b3\u30f3\u30dd\u30fc\u30cd\u30f3\u30c8\u306e\u30ed\u30b8\u30c3\u30af\u306f\u3059\u3079\u3066 useDraftCreate \u306b\u79fb\u884c\u3055\u308c\u3066\u304a\u308a\u3001UI \u306b\u96c6\u4e2d\u3067\u304d\u3066\u3044\u307e\u3059\u3002<\/p>\n<h2 id=\"\u307e\u3068\u3081\">\u307e\u3068\u3081<\/h2>\n<ul>\n<li>tsx \u306f UI \u306b\u5c02\u5ff5\u3055\u305b\u308b<\/li>\n<li>\u30ed\u30b8\u30c3\u30af\u306f 1 \u3064\u306e \u201c\u30aa\u30fc\u30b1\u30b9\u30c8\u30ec\u30fc\u30bf\u30fc hook\u201d \u306b\u96c6\u7d04\u3059\u308b<\/li>\n<\/ul>\n<p>\u3068\u3044\u3046\u30b7\u30f3\u30d7\u30eb\u306a\u30eb\u30fc\u30eb\u3067 UI \u3068\u30ed\u30b8\u30c3\u30af\u306b\u95a2\u3059\u308b\u95a2\u5fc3\u306e\u5206\u96e2\u3092\u5b9f\u73fe\u3057\u307e\u3057\u305f\u3002 \u30aa\u30fc\u30b1\u30b9\u30c8\u30ec\u30fc\u30bf\u30fc hook \u306b\u3064\u3044\u3066\u306f<\/p>\n<ul>\n<li>\u8fd4\u308a\u5024\u306f [vm, act, isPending] \u306b\u9650\u5b9a\u3059\u308b<\/li>\n<li>reducer \u3092\u201c\u7d14\u7c8b\u201d\u306b\u4fdd\u3064<\/li>\n<\/ul>\n<p>\u3068\u3044\u3046\u30eb\u30fc\u30eb\u306e\u3082\u3068\u3001\u30c6\u30b9\u30bf\u30d3\u30ea\u30c6\u30a3\u3001\u53ef\u8aad\u6027\u3001\u5b9f\u88c5\u306e\u4e00\u8cab\u6027\u3092\u9ad8\u3081\u3001hook \u5185\u3067\u8907\u96d1\u306a\u51e6\u7406\u304c\u767a\u751f\u3059\u308b\u306e\u3092\u9632\u3044\u3067\u3044\u307e\u3059\u3002<\/p>\n<h2 id=\"\u5f97\u3089\u308c\u308b\u30e1\u30ea\u30c3\u30c8\">\u5f97\u3089\u308c\u308b\u30e1\u30ea\u30c3\u30c8<\/h2>\n<h3 id=\"\u4e0d\u8981\u306a-API-\u306e\u9732\u51fa\u3092\u9632\u6b62\u3067\u304d\u3066\u3044\u308b\">\u4e0d\u8981\u306a API \u306e\u9732\u51fa\u3092\u9632\u6b62\u3067\u304d\u3066\u3044\u308b<\/h3>\n<p>\u4e0a\u8a18\u306e\u69cb\u6210\u3067\u306f\u3059\u3067\u306b\u8aac\u660e\u3057\u305f\u3068\u304a\u308a\u3001hook \u304c\u8fd4\u3059 API \u306e\u8868\u9762\u7a4d\u3092\u5c0f\u3055\u304f\u3067\u304d\u3066\u3044\u307e\u3059\u3002<br \/>\n\u3064\u307e\u308a\u3001\u4ed6 hook \u3067\u5229\u7528\u3059\u308b\u305f\u3081\u3001\u306a\u3069\u306e API \u9732\u51fa\u304c\u4e0d\u8981\u306a\u306e\u3067\u672c\u5f53\u306b UI \u3067\u5229\u7528\u3059\u308b\u3082\u306e\u4ee5\u5916\u306f hook \u304b\u3089\u5916\u306b\u51fa\u3055\u306a\u304f\u3066\u3082\u6e08\u3093\u3067\u3044\u307e\u3059\u3002<\/p>\n<h3 id=\"\u30c6\u30b9\u30c8\u5bb9\u6613\u6027\">\u30c6\u30b9\u30c8\u5bb9\u6613\u6027<\/h3>\n<p>reducer \u3092\u7d14\u7c8b\u306b\u4fdd\u3064\u3053\u3068\u3067\u30c6\u30b9\u30c8\u304c\u5bb9\u6613\u306b\u306a\u308a\u307e\u3059\u3002<br \/>\n\u307e\u305f\u672c\u5b9f\u88c5\u3067\u306f\u3059\u3079\u3066\u306e\u30ed\u30b8\u30c3\u30af\u3092 hook \u5185\u306b\u8a18\u8f09\u3057\u3066\u3044\u307e\u3059\u304c\u3001\u975e\u540c\u671f\u3084\u526f\u4f5c\u7528\u3092\u4f34\u3046\u51e6\u7406\u306f\u5225\u30d5\u30a1\u30a4\u30eb\u306e\u30e1\u30bd\u30c3\u30c9\u306b\u5207\u308a\u51fa\u3057\u3066\u3001\u305d\u308c\u3092\u30a4\u30f3\u30dd\u30fc\u30c8\u3057\u3066\u5229\u7528\u3059\u308b\u3053\u3068\u3082\u3067\u304d\u307e\u3059\u3002<br \/>\n\u30ed\u30b8\u30c3\u30af\u3092\u30d5\u30a1\u30a4\u30eb\u3067\u5206\u5272\u3059\u308b\u3053\u3068\u306b\u3088\u3063\u3066\u3001\u3055\u3089\u306b\u30e6\u30cb\u30c3\u30c8\u30c6\u30b9\u30c8\u304c\u3057\u3084\u3059\u304f\u306a\u308b\u3053\u3068\u3067\u3057\u3087\u3046\u3002<\/p>\n<h3 id=\"\u518d\u30ec\u30f3\u30c0\u30ea\u30f3\u30b0\u306e\u5236\u5fa1\">\u518d\u30ec\u30f3\u30c0\u30ea\u30f3\u30b0\u306e\u5236\u5fa1<\/h3>\n<p>\u72b6\u614b\u306e\u5909\u66f4\u306f\u3059\u3079\u3066 hook \u5185\u3067\u884c\u308f\u308c\u307e\u3059\u3002<br \/>\n\u305d\u3057\u3066\u5909\u66f4\u3055\u308c\u305f\u72b6\u614b\u306f vm \u3068\u3057\u3066 UI \u306b\u63d0\u4f9b\u3055\u308c\u307e\u3059\u3002<br \/>\n\u3053\u306e\u3068\u304d\u3001\u5b50\u30b3\u30f3\u30dd\u30fc\u30cd\u30f3\u30c8\u306b vm \u3092\u4e38\u3054\u3068\u6e21\u3059\u306e\u3067\u306f\u306a\u304f\u3001\u672c\u5f53\u306b\u5fc5\u8981\u306a\u30d7\u30ea\u30df\u30c6\u30a3\u30d6\u5024\u306e\u307f\u3092\u6e21\u3059\u3088\u3046\u306b\u6ce8\u610f\u3057\u3066\u304f\u3060\u3055\u3044\u3002<br \/>\n\u307e\u305f reducer \u306f\u5909\u66f4\u306e\u306a\u3044\u30d5\u30a3\u30fc\u30eb\u30c9\u306f\u5143\u306e\u5024\u304b\u3089\u5909\u66f4\u3057\u306a\u3044\u3088\u3046\u306b\u3057\u3066\u304f\u3060\u3055\u3044\u3002<br \/>\n\u4ee5\u4e0b\u306e\u5b9f\u88c5\u3067\u306f\u30e2\u30fc\u30c0\u30eb\u306e\u958b\u9589\u3092\u5236\u5fa1\u3059\u308b\u72b6\u614b\u4ee5\u5916\u306f\u5909\u66f4\u3057\u306a\u3044\u3088\u3046\u306b\u3057\u3066\u3044\u307e\u3059\u3002<\/p>\n<pre class=\"code lang-tsx\" data-lang=\"tsx\" data-unlink=\"\">    <span class=\"synStatement\">case<\/span> <span class=\"synConstant\">\"OPEN_MODAL\"<\/span>:\n      return <span class=\"synIdentifier\">{<\/span> ...state, isModalOpen: <span class=\"synConstant\">true<\/span> <span class=\"synIdentifier\">}<\/span>;\n<\/pre>\n<p>\u4e0a\u8a18\u3092\u610f\u8b58\u3057\u3066\u5b9f\u88c5\u3059\u308b\u3053\u3068\u3067\u5b50\u30b3\u30f3\u30dd\u30fc\u30cd\u30f3\u30c8\u306e\u904e\u5270\u306a\u518d\u30ec\u30f3\u30c0\u30ea\u30f3\u30b0\u3092\u9632\u6b62\u3067\u304d\u307e\u3059\u3002<\/p>\n<\/div>\n<p><script>(function(d, s, id) {\n  var js, fjs = d.getElementsByTagName(s)[0];\n  if (d.getElementById(id)) return;\n  js = d.createElement(s); js.id = id;\n  js.src = \"\/\/connect.facebook.net\/ja_JP\/sdk.js#xfbml=1&appId=719729204785177&version=v17.0\";\n  fjs.parentNode.insertBefore(js, fjs);\n}(document, 'script', 'facebook-jssdk'));<\/script><br \/>\n<br \/>\n<br \/><a href=\"https:\/\/creators.bengo4.com\/entry\/2025\/12\/08\/000000\">\u5143\u306e\u8a18\u4e8b\u3092\u78ba\u8a8d\u3059\u308b <\/a><\/p>\n","protected":false},"excerpt":{"rendered":"\u3053\u306e\u8a18\u4e8b\u306f\u5f01\u8b77\u58eb\u30c9\u30c3\u30c8\u30b3\u30e0 Advent Calendar 2025\u306e 8 \u65e5\u76ee\u306e\u8a18\u4e8b\u3067\u3059\u3002 \u30af\u30e9\u30a6\u30c9\u30b5\u30a4\u30f3\u4e8b\u696d\u672c\u90e8\u3067\u30a8\u30f3\u30b8\u30cb\u30a2\u3092\u3084\u3063\u3066\u3044\u308b\u7530\u9089\u3067\u3059\u3002 \u9577\u3044\u671f\u9593\u30d5\u30ed\u30f3\u30c8\u30a8\u30f3\u30c9\u30b3\u30fc\u30c9\u3092\u904b\u7528\u3057\u305f\u7d50\u679c\u3001Fat Componen [&hellip;]","protected":false},"author":1,"featured_media":26869,"comment_status":"closed","ping_status":"closed","sticky":false,"template":"","format":"standard","meta":{"_acf_changed":false,"footnotes":""},"categories":[4],"tags":[],"class_list":["post-26868","post","type-post","status-publish","format-standard","has-post-thumbnail","hentry","category-company-tec"],"acf":[],"yoast_head":"<!-- This site is optimized with the Yoast SEO plugin v27.4 - https:\/\/yoast.com\/product\/yoast-seo-wordpress\/ -->\n<title>\u3010React\u3011\u30ed\u30b8\u30c3\u30af\u3092\u3059\u3079\u3066 hook \u306b\u307e\u3068\u3081\u3066\u3057\u307e\u3046\u306e\u3082\u30a2\u30ea\u3060\u3068\u601d\u3063\u305f - \u5f01\u8b77\u58eb\u30c9\u30c3\u30c8\u30b3\u30e0\u682a\u5f0f\u4f1a\u793e Creators\u2019 blog - \u30dd\u30b1\u30b3\u30f3<\/title>\n<meta name=\"robots\" content=\"index, follow, max-snippet:-1, max-image-preview:large, max-video-preview:-1\" \/>\n<link rel=\"canonical\" href=\"https:\/\/creators.bengo4.com\/entry\/2025\/12\/08\/000000\" \/>\n<meta property=\"og:locale\" content=\"ja_JP\" \/>\n<meta property=\"og:type\" content=\"article\" \/>\n<meta property=\"og:title\" content=\"\u3010React\u3011\u30ed\u30b8\u30c3\u30af\u3092\u3059\u3079\u3066 hook \u306b\u307e\u3068\u3081\u3066\u3057\u307e\u3046\u306e\u3082\u30a2\u30ea\u3060\u3068\u601d\u3063\u305f - \u5f01\u8b77\u58eb\u30c9\u30c3\u30c8\u30b3\u30e0\u682a\u5f0f\u4f1a\u793e Creators\u2019 blog - \u30dd\u30b1\u30b3\u30f3\" \/>\n<meta property=\"og:description\" content=\"\u3053\u306e\u8a18\u4e8b\u306f\u5f01\u8b77\u58eb\u30c9\u30c3\u30c8\u30b3\u30e0 Advent Calendar 2025\u306e 8 \u65e5\u76ee\u306e\u8a18\u4e8b\u3067\u3059\u3002 \u30af\u30e9\u30a6\u30c9\u30b5\u30a4\u30f3\u4e8b\u696d\u672c\u90e8\u3067\u30a8\u30f3\u30b8\u30cb\u30a2\u3092\u3084\u3063\u3066\u3044\u308b\u7530\u9089\u3067\u3059\u3002 \u9577\u3044\u671f\u9593\u30d5\u30ed\u30f3\u30c8\u30a8\u30f3\u30c9\u30b3\u30fc\u30c9\u3092\u904b\u7528\u3057\u305f\u7d50\u679c\u3001Fat Componen [&hellip;]\" \/>\n<meta property=\"og:url\" content=\"https:\/\/creators.bengo4.com\/entry\/2025\/12\/08\/000000\" \/>\n<meta property=\"og:site_name\" content=\"\u30dd\u30b1\u30b3\u30f3\" \/>\n<meta property=\"article:published_time\" content=\"2025-12-07T17:31:55+00:00\" \/>\n<meta property=\"og:image\" content=\"https:\/\/pokecon.jp\/job\/wp-content\/uploads\/2025\/12\/https3A2F2Fcdn-ak.f.st-hatena.com2Fimages2Ffotolife2Fb2Fbengo42F202512072F20251207192935.pn.png\" \/>\n\t<meta property=\"og:image:width\" content=\"1300\" \/>\n\t<meta property=\"og:image:height\" content=\"683\" \/>\n\t<meta property=\"og:image:type\" content=\"image\/png\" \/>\n<meta name=\"author\" content=\"info@pokecon.jp\" \/>\n<meta name=\"twitter:card\" content=\"summary_large_image\" \/>\n<meta name=\"twitter:label1\" content=\"\u57f7\u7b46\u8005\" \/>\n\t<meta name=\"twitter:data1\" content=\"info@pokecon.jp\" \/>\n\t<meta name=\"twitter:label2\" content=\"\u63a8\u5b9a\u8aad\u307f\u53d6\u308a\u6642\u9593\" \/>\n\t<meta name=\"twitter:data2\" content=\"5\u5206\" \/>\n<script type=\"application\/ld+json\" class=\"yoast-schema-graph\">{\"@context\":\"https:\\\/\\\/schema.org\",\"@graph\":[{\"@type\":\"Article\",\"@id\":\"https:\\\/\\\/creators.bengo4.com\\\/entry\\\/2025\\\/12\\\/08\\\/000000#article\",\"isPartOf\":{\"@id\":\"https:\\\/\\\/pokecon.jp\\\/job\\\/26868\\\/\"},\"author\":{\"name\":\"info@pokecon.jp\",\"@id\":\"https:\\\/\\\/pokecon.jp\\\/job\\\/#\\\/schema\\\/person\\\/16c9f07b1ba984d165d9aee259bda997\"},\"headline\":\"\u3010React\u3011\u30ed\u30b8\u30c3\u30af\u3092\u3059\u3079\u3066 hook \u306b\u307e\u3068\u3081\u3066\u3057\u307e\u3046\u306e\u3082\u30a2\u30ea\u3060\u3068\u601d\u3063\u305f &#8211; \u5f01\u8b77\u58eb\u30c9\u30c3\u30c8\u30b3\u30e0\u682a\u5f0f\u4f1a\u793e Creators\u2019 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