{"id":9743,"date":"2026-05-28T10:27:54","date_gmt":"2026-05-28T01:27:54","guid":{"rendered":"https:\/\/fastcoding.jp\/blog\/?p=9743"},"modified":"2026-05-28T10:28:01","modified_gmt":"2026-05-28T01:28:01","slug":"ai-driven-react-hooks","status":"publish","type":"post","link":"https:\/\/fastcoding.jp\/blog\/all\/frontend\/ai-driven-react-hooks\/","title":{"rendered":"AI\u306bReact\u306e\u30ab\u30b9\u30bf\u30e0\u30d5\u30c3\u30af\u3092\u66f8\u304b\u305b\u305f\u3089\u54c1\u8cea\u306f\u3069\u3053\u307e\u3067\u3044\u3051\u308b\u304b \u2500 AI\u99c6\u52d5\u958b\u767a\u306e\u5b9f\u8df5\u30ec\u30dd\u30fc\u30c8"},"content":{"rendered":"<div class=\"the_content\">\n<p>\u3053\u3093\u306b\u3061\u306f\u3001\u682a\u5f0f\u4f1a\u793e\u30d5\u30a1\u30b9\u30c8\u30b3\u30fc\u30c7\u30a3\u30f3\u30b0\u306e\u30d5\u30eb\u30b9\u30bf\u30c3\u30af\u30a8\u30f3\u30b8\u30cb\u30a2\u3001\u72ec\u8eab\u8cb4\u65cfFire\u3067\u3059\u3002<\/p>\n\n\n\n<p>\u6700\u8fd1\u3001\u30ae\u30bf\u30fc\u306e\u7df4\u7fd2\u3067\u30b3\u30fc\u30c9\u9032\u884c\u3092\u899a\u3048\u308b\u306e\u304c\u9762\u5012\u3067\u3001AI\u306b\u300cKey=Am\u306e\u30d6\u30eb\u30fc\u30b9\u9032\u884c\u309210\u30d1\u30bf\u30fc\u30f3\u51fa\u3057\u3066\u300d\u3068\u805e\u3044\u3066\u307f\u305f\u3093\u3067\u3059\u3002\u51fa\u3066\u304d\u305f\u7d50\u679c\u306f\u2026\u2026\u307e\u3042\u3001\u97f3\u697d\u7406\u8ad6\u7684\u306b\u306f\u6b63\u3057\u3044\u3002\u3067\u3082\u5f3e\u3044\u3066\u307f\u308b\u3068\u300c\u3053\u308c\u306f\u4eba\u304c\u5f3e\u3044\u3066\u6c17\u6301\u3061\u3044\u3044\u304b\uff1f\u300d\u306f\u5225\u306e\u8a71\u3067\u3057\u305f\u3002<\/p>\n\n\n\n<p><small>AI\u3063\u3066\u3001\u6b63\u3057\u3044\u3051\u3069\u6c17\u6301\u3061\u3088\u304f\u306a\u3044\u3082\u306e\u3092\u51fa\u3059\u306e\u304c\u5f97\u610f\u3067\u3059\u3088\u306d\u3002\u30b3\u30fc\u30c9\u3082\u540c\u3058\u3067\u3059\u3002<\/small><\/p>\n\n\n\n<p>\u6700\u8fd1\u306e\u958b\u767a\u73fe\u5834\u3067\u306f\u300cAI\u99c6\u52d5\u958b\u767a\u300d\u3068\u3044\u3046\u8a00\u8449\u3092\u983b\u7e41\u306b\u8033\u306b\u3059\u308b\u3088\u3046\u306b\u306a\u308a\u307e\u3057\u305f\u3002Claude\u3001Cursor\u3001GitHub Copilot\u3068\u3044\u3063\u305f\u30c4\u30fc\u30eb\u3092\u4f7f\u3044\u3001\u30b3\u30fc\u30c9\u306e\u8a2d\u8a08\u304b\u3089\u5b9f\u88c5\u3001\u30c6\u30b9\u30c8\u3001\u30ec\u30d3\u30e5\u30fc\u307e\u3067\u3092AI\u3068\u5354\u50cd\u3067\u884c\u3046\u958b\u767a\u30b9\u30bf\u30a4\u30eb\u3067\u3059\u3002\u79c1\u81ea\u8eab\u3001\u3053\u3053\u534a\u5e74\u307b\u3069AI\u99c6\u52d5\u958b\u767a\u3092\u5b9f\u6848\u4ef6\u306b\u53d6\u308a\u5165\u308c\u3066\u3044\u307e\u3059\u304c\u3001\u300cAI\u306e\u51fa\u529b\u3092\u305d\u306e\u307e\u307e\u4f7f\u3048\u308b\u304b\uff1f\u300d\u306f\u5e38\u306b\u8b70\u8ad6\u306b\u306a\u308a\u307e\u3059\u3002<\/p>\n\n\n\n<p>\u305d\u3053\u3067\u4eca\u56de\u306f\u3001React\u306e\u30ab\u30b9\u30bf\u30e0\u30d5\u30c3\u30af\u3068\u3044\u3046\u6bd4\u8f03\u7684\u30b9\u30b3\u30fc\u30d7\u304c\u660e\u78ba\u306a\u30bf\u30b9\u30af\u3092AI\u306b\u4efb\u305b\u3066\u3001\u51fa\u529b\u54c1\u8cea\u3092\u691c\u8a3c\u3057\u3066\u307f\u307e\u3059\u3002\u300c\u30d5\u30a9\u30fc\u30e0\u30d0\u30ea\u30c7\u30fc\u30b7\u30e7\u30f3\u300d\u300c\u30c0\u30fc\u30af\u30e2\u30fc\u30c9\u5207\u66ff\u300d\u300c\u7121\u9650\u30b9\u30af\u30ed\u30fc\u30eb\u300d\u306e3\u3064\u306e\u30d5\u30c3\u30af\u3092\u984c\u6750\u306b\u3001AI\u306e\u521d\u7248\u30b3\u30fc\u30c9\u2192\u554f\u984c\u70b9\u2192\u4fee\u6b63\u5f8c\u306e\u30b3\u30fc\u30c9\u3092\u4e26\u3079\u3066\u898b\u3066\u3044\u304d\u307e\u3059\u3002<\/p>\n\n\n\n<p>\u307e\u305a\u3001Claude\u306b\u5bfe\u3057\u3066\u30b7\u30f3\u30d7\u30eb\u306b\u300cReact\u306e\u30ab\u30b9\u30bf\u30e0\u30d5\u30c3\u30af\u3068\u3057\u3066\u25cb\u25cb\u3092\u5b9f\u88c5\u3057\u3066\u304f\u3060\u3055\u3044\u3002TypeScript\u3001\u95a2\u6570\u30b3\u30f3\u30dd\u30fc\u30cd\u30f3\u30c8\u3067\u4f7f\u3046\u524d\u63d0\u3067\u3059\u300d\u3068\u3060\u3051\u805e\u3044\u3066\u307f\u307e\u3059\u3002\u3042\u3048\u3066\u8a73\u3057\u3044\u6307\u793a\u306f\u51fa\u3057\u307e\u305b\u3093\u3002\u5b9f\u969b\u306e\u958b\u767a\u3067\u3082\u300c\u3068\u308a\u3042\u3048\u305a\u805e\u3044\u3066\u307f\u308b\u300d\u304b\u3089\u59cb\u3081\u308b\u3053\u3068\u306f\u591a\u3044\u3067\u3059\u3088\u306d\u3002AI\u304c\u3069\u3053\u307e\u3067\u6c72\u307f\u53d6\u308c\u308b\u304b\u3092\u898b\u308b\u305f\u3081\u3067\u3059\u3002<\/p>\n\n\n\n<h2 class=\"wp-block-heading\">\u30d5\u30a9\u30fc\u30e0\u30d0\u30ea\u30c7\u30fc\u30b7\u30e7\u30f3\uff1aAI\u306f&#8221;\u52d5\u304f\u30b3\u30fc\u30c9&#8221;\u3092\u51fa\u3059\u304c\u3001&#8221;\u4f7f\u3048\u308b\u30b3\u30fc\u30c9&#8221;\u306f\u51fa\u3055\u306a\u3044<\/h2>\n\n\n\n<h3 class=\"wp-block-heading\">AI\u304c\u51fa\u3057\u305f\u30b3\u30fc\u30c9\uff08\u521d\u7248\uff09<\/h3>\n\n\n\n<p>\u300cReact\u306e\u30ab\u30b9\u30bf\u30e0\u30d5\u30c3\u30af\u3068\u3057\u3066\u30d5\u30a9\u30fc\u30e0\u30d0\u30ea\u30c7\u30fc\u30b7\u30e7\u30f3\u3092\u5b9f\u88c5\u3057\u3066\u304f\u3060\u3055\u3044\u300d\u3068\u805e\u3044\u305f\u7d50\u679c\u304c\u3053\u3061\u3089\u3067\u3059\u3002<\/p>\n\n\n\n<pre class=\"wp-block-code\"><code>\/\/ AI\u304c\u751f\u6210\u3057\u305f\u521d\u7248\uff1auseFormValidation.ts\nimport { useState, useCallback } from 'react';\n\ntype ValidationRule = {\n  required?: boolean;\n  minLength?: number;\n  maxLength?: number;\n  pattern?: RegExp;\n  custom?: (value: string) =&gt; string | null;\n};\n\ntype FieldConfig = Record&lt;string, ValidationRule&gt;;\ntype FormValues = Record&lt;string, string&gt;;\ntype FormErrors = Record&lt;string, string&gt;;\n\nexport function useFormValidation(config: FieldConfig) {\n  const [values, setValues] = useState&lt;FormValues&gt;({});\n  const [errors, setErrors] = useState&lt;FormErrors&gt;({});\n\n  const validate = useCallback((name: string, value: string): string | null =&gt; {\n    const rules = config[name];\n    if (!rules) return null;\n\n    if (rules.required &amp;&amp; !value) return '\u5fc5\u9808\u9805\u76ee\u3067\u3059';\n    if (rules.minLength &amp;&amp; value.length &lt; rules.minLength)\n      return `${rules.minLength}\u6587\u5b57\u4ee5\u4e0a\u3067\u5165\u529b\u3057\u3066\u304f\u3060\u3055\u3044`;\n    if (rules.maxLength &amp;&amp; value.length &gt; rules.maxLength)\n      return `${rules.maxLength}\u6587\u5b57\u4ee5\u4e0b\u3067\u5165\u529b\u3057\u3066\u304f\u3060\u3055\u3044`;\n    if (rules.pattern &amp;&amp; !rules.pattern.test(value))\n      return '\u5f62\u5f0f\u304c\u6b63\u3057\u304f\u3042\u308a\u307e\u305b\u3093';\n    if (rules.custom) return rules.custom(value);\n\n    return null;\n  }, [config]);\n\n  const handleChange = useCallback((name: string, value: string) =&gt; {\n    setValues(prev =&gt; ({ ...prev, [name]: value }));\n    const error = validate(name, value);\n    setErrors(prev =&gt; ({ ...prev, [name]: error || '' }));\n  }, [validate]);\n\n  const handleSubmit = useCallback((onSubmit: (values: FormValues) =&gt; void) =&gt; {\n    const newErrors: FormErrors = {};\n    Object.keys(config).forEach(name =&gt; {\n      const error = validate(name, values[name] || '');\n      if (error) newErrors[name] = error;\n    });\n    setErrors(newErrors);\n    if (Object.keys(newErrors).length === 0) onSubmit(values);\n  }, [config, validate, values]);\n\n  return { values, errors, handleChange, handleSubmit };\n}<\/code><\/pre>\n\n\n\n<h3 class=\"wp-block-heading\">\u4e00\u898b\u3088\u3055\u305d\u3046\u3001\u3067\u3082\u5b9f\u52d9\u3067\u306f\u4f7f\u3048\u306a\u3044<\/h3>\n\n\n\n<p>\u4e00\u898b\u3059\u308b\u3068\u307e\u3068\u3082\u306b\u898b\u3048\u307e\u3059\u3002\u578b\u5b9a\u7fa9\u3082\u3042\u308b\u3057\u3001\u30d0\u30ea\u30c7\u30fc\u30b7\u30e7\u30f3\u30eb\u30fc\u30eb\u3082\u67d4\u8edf\u3002\u3067\u3082\u5b9f\u969b\u306b\u30d7\u30ed\u30b8\u30a7\u30af\u30c8\u306b\u7d44\u307f\u8fbc\u3082\u3046\u3068\u3059\u308b\u3068\u3001\u3053\u3093\u306a\u554f\u984c\u304c\u51fa\u3066\u304d\u307e\u3059\u3002<\/p>\n\n\n\n<p><strong>1. \u521d\u671f\u5024\u304c\u8a2d\u5b9a\u3067\u304d\u306a\u3044<\/strong><br><code>useState&lt;FormValues&gt;({})<\/code>\u3067\u521d\u671f\u5316\u3057\u3066\u3044\u308b\u305f\u3081\u3001\u7de8\u96c6\u30d5\u30a9\u30fc\u30e0\u306e\u3088\u3046\u306b\u65e2\u5b58\u30c7\u30fc\u30bf\u3092\u8868\u793a\u3059\u308b\u30b1\u30fc\u30b9\u306b\u5bfe\u5fdc\u3067\u304d\u307e\u305b\u3093\u3002\u65b0\u898f\u4f5c\u6210\u30d5\u30a9\u30fc\u30e0\u3060\u3051\u306a\u3089\u554f\u984c\u3042\u308a\u307e\u305b\u3093\u304c\u3001\u5b9f\u6848\u4ef6\u3067\u306f\u7de8\u96c6\u753b\u9762\u306e\u307b\u3046\u304c\u5727\u5012\u7684\u306b\u591a\u3044\u3067\u3059\u3088\u306d\u3002<\/p>\n\n\n\n<p><strong>2. config\u304cuseCallback\u306e\u4f9d\u5b58\u914d\u5217\u306b\u5165\u3063\u3066\u3044\u308b\u304c\u3001\u53c2\u7167\u304c\u5b89\u5b9a\u3057\u306a\u3044<\/strong><br>\u547c\u3073\u51fa\u3057\u5074\u304c<code>useFormValidation({ email: { required: true } })<\/code>\u306e\u3088\u3046\u306b\u30a4\u30f3\u30e9\u30a4\u30f3\u3067\u30aa\u30d6\u30b8\u30a7\u30af\u30c8\u3092\u6e21\u3059\u3068\u3001\u30ec\u30f3\u30c0\u30ea\u30f3\u30b0\u306e\u305f\u3073\u306bconfig\u306e\u53c2\u7167\u304c\u5909\u308f\u308a\u3001validate\u95a2\u6570\u304c\u518d\u751f\u6210\u3055\u308c\u307e\u3059\u3002\u3053\u308c\u306f\u30d1\u30d5\u30a9\u30fc\u30de\u30f3\u30b9\u306e\u554f\u984c\u3060\u3051\u3067\u306a\u304f\u3001\u610f\u56f3\u3057\u306a\u3044\u518d\u30ec\u30f3\u30c0\u30ea\u30f3\u30b0\u306e\u9023\u9396\u3092\u5f15\u304d\u8d77\u3053\u3059\u539f\u56e0\u306b\u306a\u308a\u307e\u3059\u3002<\/p>\n\n\n\n<p><strong>3. \u9001\u4fe1\u5f8c\u306b\u30d5\u30a9\u30fc\u30e0\u3092\u30ea\u30bb\u30c3\u30c8\u3059\u308b\u624b\u6bb5\u304c\u306a\u3044<\/strong><\/p>\n\n\n\n<p><strong>4. touched\u72b6\u614b\u304c\u306a\u3044<\/strong><br>\u672a\u5165\u529b\u306e\u30d5\u30a3\u30fc\u30eb\u30c9\u306b\u3082\u521d\u56de\u304b\u3089\u30a8\u30e9\u30fc\u304c\u8868\u793a\u3055\u308c\u3066\u3057\u307e\u3044\u307e\u3059\u3002\u30e6\u30fc\u30b6\u30fc\u304c\u307e\u3060\u89e6\u3063\u3066\u3044\u306a\u3044\u30d5\u30a3\u30fc\u30eb\u30c9\u306b\u30a8\u30e9\u30fc\u3092\u51fa\u3059\u306e\u306fUX\u3068\u3057\u3066\u554f\u984c\u3067\u3059\u3002\u30d5\u30a9\u30fc\u30e0\u3092\u958b\u3044\u305f\u77ac\u9593\u306b\u771f\u3063\u8d64\u306a\u30a8\u30e9\u30fc\u30e1\u30c3\u30bb\u30fc\u30b8\u304c\u4e26\u3093\u3067\u3044\u305f\u3089\u3001\u8ab0\u3060\u3063\u3066\u3073\u3063\u304f\u308a\u3057\u307e\u3059\u3088\u306d\u3002<\/p>\n\n\n\n<h3 class=\"wp-block-heading\">\u4fee\u6b63\u5f8c\u306e\u30b3\u30fc\u30c9<\/h3>\n\n\n\n<p>AI\u306e\u51fa\u529b\u3092\u30d9\u30fc\u30b9\u306b\u3001\u4e0a\u8a18\u306e\u554f\u984c\u3092\u4fee\u6b63\u3057\u3066\u3044\u304d\u307e\u3059\u3002<\/p>\n\n\n\n<pre class=\"wp-block-code\"><code>\/\/ \u4fee\u6b63\u7248\uff1auseFormValidation.ts\nimport { useState, useCallback, useRef } from 'react';\n\ntype ValidationRule = {\n  required?: boolean;\n  minLength?: number;\n  maxLength?: number;\n  pattern?: RegExp;\n  message?: string;\n  custom?: (value: string) =&gt; string | null;\n};\n\ntype FieldConfig = Record&lt;string, ValidationRule&gt;;\ntype FormValues = Record&lt;string, string&gt;;\ntype FormErrors = Record&lt;string, string&gt;;\ntype TouchedFields = Record&lt;string, boolean&gt;;\n\nexport function useFormValidation(\n  config: FieldConfig,\n  initialValues: FormValues = {}\n) {\n  const [values, setValues] = useState&lt;FormValues&gt;(initialValues);\n  const [errors, setErrors] = useState&lt;FormErrors&gt;({});\n  const [touched, setTouched] = useState&lt;TouchedFields&gt;({});\n  const configRef = useRef(config);\n  configRef.current = config;\n\n  const validate = useCallback((name: string, value: string): string | null =&gt; {\n    const rules = configRef.current[name];\n    if (!rules) return null;\n\n    if (rules.required &amp;&amp; !value.trim()) return rules.message || '\u5fc5\u9808\u9805\u76ee\u3067\u3059';\n    if (rules.minLength &amp;&amp; value.length &lt; rules.minLength)\n      return `${rules.minLength}\u6587\u5b57\u4ee5\u4e0a\u3067\u5165\u529b\u3057\u3066\u304f\u3060\u3055\u3044`;\n    if (rules.maxLength &amp;&amp; value.length &gt; rules.maxLength)\n      return `${rules.maxLength}\u6587\u5b57\u4ee5\u4e0b\u3067\u5165\u529b\u3057\u3066\u304f\u3060\u3055\u3044`;\n    if (rules.pattern &amp;&amp; !rules.pattern.test(value))\n      return rules.message || '\u5f62\u5f0f\u304c\u6b63\u3057\u304f\u3042\u308a\u307e\u305b\u3093';\n    if (rules.custom) return rules.custom(value);\n\n    return null;\n  }, []);\n\n  const handleChange = useCallback((name: string, value: string) =&gt; {\n    setValues(prev =&gt; ({ ...prev, [name]: value }));\n    setTouched(prev =&gt; ({ ...prev, [name]: true }));\n    const error = validate(name, value);\n    setErrors(prev =&gt; ({ ...prev, [name]: error || '' }));\n  }, [validate]);\n\n  const handleBlur = useCallback((name: string) =&gt; {\n    setTouched(prev =&gt; ({ ...prev, [name]: true }));\n    const error = validate(name, values[name] || '');\n    setErrors(prev =&gt; ({ ...prev, [name]: error || '' }));\n  }, [validate, values]);\n\n  const handleSubmit = useCallback((onSubmit: (values: FormValues) =&gt; void) =&gt; {\n    const allTouched: TouchedFields = {};\n    const newErrors: FormErrors = {};\n\n    Object.keys(configRef.current).forEach(name =&gt; {\n      allTouched[name] = true;\n      const error = validate(name, values[name] || '');\n      if (error) newErrors[name] = error;\n    });\n\n    setTouched(allTouched);\n    setErrors(newErrors);\n\n    if (Object.keys(newErrors).length === 0) onSubmit(values);\n  }, [validate, values]);\n\n  const reset = useCallback(() =&gt; {\n    setValues(initialValues);\n    setErrors({});\n    setTouched({});\n  }, [initialValues]);\n\n  const getFieldError = useCallback((name: string): string =&gt; {\n    return touched[name] ? errors[name] || '' : '';\n  }, [touched, errors]);\n\n  return {\n    values,\n    errors,\n    touched,\n    handleChange,\n    handleBlur,\n    handleSubmit,\n    reset,\n    getFieldError,\n  };\n}<\/code><\/pre>\n\n\n\n<p><strong>\u4fee\u6b63\u306e\u30dd\u30a4\u30f3\u30c8\uff1a<\/strong><\/p>\n\n\n\n<ul class=\"wp-block-list\">\n<li><code>initialValues<\/code>\u3092\u5f15\u6570\u306b\u8ffd\u52a0\u3057\u3001\u7de8\u96c6\u30d5\u30a9\u30fc\u30e0\u306b\u5bfe\u5fdc<\/li>\n<li><code>configRef<\/code>\u3067config\u306e\u53c2\u7167\u3092useRef\u306b\u56fa\u5b9a\u3057\u3001\u4e0d\u8981\u306a\u518d\u30ec\u30f3\u30c0\u30ea\u30f3\u30b0\u3092\u9632\u6b62<\/li>\n<li><code>touched<\/code>\u72b6\u614b\u3092\u8ffd\u52a0\u3057\u3001<code>getFieldError<\/code>\u3067\u672a\u30bf\u30c3\u30c1\u30d5\u30a3\u30fc\u30eb\u30c9\u306b\u306f\u30a8\u30e9\u30fc\u3092\u51fa\u3055\u306a\u3044<\/li>\n<li><code>handleBlur<\/code>\u3092\u8ffd\u52a0\uff08\u30d5\u30a9\u30fc\u30ab\u30b9\u304c\u5916\u308c\u305f\u30bf\u30a4\u30df\u30f3\u30b0\u3067\u30d0\u30ea\u30c7\u30fc\u30b7\u30e7\u30f3\u5b9f\u884c\uff09<\/li>\n<li><code>reset<\/code>\u95a2\u6570\u3092\u8ffd\u52a0<\/li>\n<\/ul>\n\n\n\n<p>AI\u306e\u521d\u7248\u306f\u300c\u52d5\u304f\u30b3\u30fc\u30c9\u300d\u3067\u3059\u3002\u3057\u304b\u3057\u300c\u5b9f\u6848\u4ef6\u3067\u4f7f\u3048\u308b\u30b3\u30fc\u30c9\u300d\u306b\u3059\u308b\u306b\u306f\u3001UX\u306e\u89b3\u70b9\uff08touched\uff09\u3001React\u306e\u518d\u30ec\u30f3\u30c0\u30ea\u30f3\u30b0\u7279\u6027\uff08useRef\u306b\u3088\u308bconfig\u5b89\u5b9a\u5316\uff09\u3001\u904b\u7528\u9762\uff08reset\u3001initialValues\uff09\u306e3\u70b9\u3067\u4eba\u9593\u306e\u5224\u65ad\u304c\u5fc5\u8981\u306b\u306a\u308a\u307e\u3059\u3002<\/p>\n\n\n\n<h2 class=\"wp-block-heading\">\u30c0\u30fc\u30af\u30e2\u30fc\u30c9\u5207\u66ff\uff1a\u300c\u5f53\u305f\u308a\u524d\u300d\u3092AI\u306f\u5f53\u305f\u308a\u524d\u306b\u3084\u3089\u306a\u3044<\/h2>\n\n\n\n<p>localStorage\u3078\u306e\u6c38\u7d9a\u5316\u3001\u5f53\u305f\u308a\u524d\u3060\u3068\u601d\u3044\u307e\u3059\u3088\u306d\uff1f \u3067\u3082AI\u306f\u6307\u793a\u3057\u306a\u3044\u3068\u5165\u308c\u3066\u304f\u308c\u307e\u305b\u3093\u3002\u30c0\u30fc\u30af\u30e2\u30fc\u30c9\u306e\u5207\u66ff\u30d5\u30c3\u30af\u3092\u898b\u3066\u307f\u307e\u3059\u3002<\/p>\n\n\n\n<h3 class=\"wp-block-heading\">AI\u304c\u51fa\u3057\u305f\u30b3\u30fc\u30c9\uff08\u521d\u7248\uff09<\/h3>\n\n\n\n<pre class=\"wp-block-code\"><code>\/\/ AI\u304c\u751f\u6210\u3057\u305f\u521d\u7248\uff1auseDarkMode.ts\nimport { useState, useEffect } from 'react';\n\nexport function useDarkMode() {\n  const [isDark, setIsDark] = useState(false);\n\n  useEffect(() =&gt; {\n    if (isDark) {\n      document.documentElement.classList.add('dark');\n    } else {\n      document.documentElement.classList.remove('dark');\n    }\n  }, [isDark]);\n\n  const toggle = () =&gt; setIsDark(prev =&gt; !prev);\n\n  return { isDark, toggle };\n}<\/code><\/pre>\n\n\n\n<h3 class=\"wp-block-heading\">\u30b7\u30f3\u30d7\u30eb\u3059\u304e\u3066\u5b9f\u904b\u7528\u306b\u8010\u3048\u306a\u3044<\/h3>\n\n\n\n<p>\u30b3\u30fc\u30c9\u3068\u3057\u3066\u306f8\u884c\u3067\u53ce\u307e\u3063\u3066\u3044\u3066\u3001\u4e00\u898b\u304d\u308c\u3044\u3067\u3059\u3002\u3068\u3053\u308d\u304c\u3001\u5b9f\u969b\u306e\u30d7\u30ed\u30c0\u30af\u30c8\u3067\u4f7f\u304a\u3046\u3068\u3059\u308b\u30683\u3064\u306e\u554f\u984c\u306b\u3076\u3064\u304b\u308a\u307e\u3059\u3002<\/p>\n\n\n\n<p><strong>1. \u30e6\u30fc\u30b6\u30fc\u306e\u8a2d\u5b9a\u304c\u30ea\u30ed\u30fc\u30c9\u3067\u6d88\u3048\u308b<\/strong><br>localStorage\u3092\u4f7f\u3063\u3066\u3044\u306a\u3044\u305f\u3081\u3001\u30da\u30fc\u30b8\u3092\u518d\u8aad\u307f\u8fbc\u307f\u3059\u308b\u3068\u5e38\u306b\u30e9\u30a4\u30c8\u30e2\u30fc\u30c9\u306b\u623b\u308a\u307e\u3059\u3002\u305b\u3063\u304b\u304f\u30c0\u30fc\u30af\u30e2\u30fc\u30c9\u306b\u5207\u308a\u66ff\u3048\u305f\u306e\u306b\u3001\u30da\u30fc\u30b8\u9077\u79fb\u306e\u305f\u3073\u306b\u30ea\u30bb\u30c3\u30c8\u3055\u308c\u305f\u3089\u4f7f\u3044\u7269\u306b\u306a\u308a\u307e\u305b\u3093\u3002<\/p>\n\n\n\n<p><strong>2. OS\u306e\u30c0\u30fc\u30af\u30e2\u30fc\u30c9\u8a2d\u5b9a\u3092\u7121\u8996\u3057\u3066\u3044\u308b<\/strong><br><code>prefers-color-scheme: dark<\/code>\u3092\u8aad\u3093\u3067\u3044\u306a\u3044\u305f\u3081\u3001OS\u3092\u30c0\u30fc\u30af\u30e2\u30fc\u30c9\u306b\u8a2d\u5b9a\u3057\u3066\u3044\u308b\u30e6\u30fc\u30b6\u30fc\u306b\u3082\u5e38\u306b\u30e9\u30a4\u30c8\u30e2\u30fc\u30c9\u304c\u8868\u793a\u3055\u308c\u307e\u3059\u3002<\/p>\n\n\n\n<p><strong>3. SSR\u74b0\u5883\u3067\u30d5\u30e9\u30c3\u30b7\u30e5\u304c\u8d77\u304d\u308b<\/strong><br>Next.js\u306eSSR\u74b0\u5883\u3067\u306f\u3001\u30b5\u30fc\u30d0\u30fc\u30b5\u30a4\u30c9\u3067\u306f\u5e38\u306b\u30e9\u30a4\u30c8\u30e2\u30fc\u30c9\u3067\u30ec\u30f3\u30c0\u30ea\u30f3\u30b0\u3055\u308c\u3001\u30af\u30e9\u30a4\u30a2\u30f3\u30c8\u3067\u30c0\u30fc\u30af\u30e2\u30fc\u30c9\u306b\u5207\u308a\u66ff\u308f\u308b\u305f\u3081\u3001\u4e00\u77ac\u767d\u304f\u5149\u308b\u300cFOUC\uff08Flash of Unstyled Content\uff09\u300d\u304c\u767a\u751f\u3057\u307e\u3059\u3002<\/p>\n\n\n\n<p>\u30ae\u30bf\u30fc\u3067\u8a00\u3048\u3070\u3001\u30b3\u30fc\u30c9\u9032\u884c\u304c\u6b63\u3057\u304f\u3066\u3082\u904b\u6307\u304c\u60aa\u3051\u308c\u3070\u307e\u3068\u3082\u306b\u5f3e\u3051\u306a\u3044\u306e\u3068\u540c\u3058\u3067\u3059\u3002\u300c\u69cb\u9020\u306f\u5408\u3063\u3066\u3044\u308b\u300d\u3068\u300c\u5b9f\u969b\u306b\u4f7f\u3048\u308b\u300d\u306e\u9593\u306b\u306f\u3001\u3053\u3046\u3044\u3046\u7d30\u304b\u3044\u6e9d\u304c\u3042\u308a\u307e\u3059\u3002<\/p>\n\n\n\n<h3 class=\"wp-block-heading\">\u4fee\u6b63\u5f8c\u306e\u30b3\u30fc\u30c9<\/h3>\n\n\n\n<pre class=\"wp-block-code\"><code>\/\/ \u4fee\u6b63\u7248\uff1auseDarkMode.ts\nimport { useState, useEffect, useCallback } from 'react';\n\ntype Theme = 'light' | 'dark' | 'system';\n\nconst STORAGE_KEY = 'theme-preference';\n\nfunction getSystemTheme(): 'light' | 'dark' {\n  if (typeof window === 'undefined') return 'light';\n  return window.matchMedia('(prefers-color-scheme: dark)').matches\n    ? 'dark'\n    : 'light';\n}\n\nfunction getStoredTheme(): Theme {\n  if (typeof window === 'undefined') return 'system';\n  return (localStorage.getItem(STORAGE_KEY) as Theme) || 'system';\n}\n\nexport function useDarkMode() {\n  const [theme, setTheme] = useState&lt;Theme&gt;(() =&gt; getStoredTheme());\n  const [systemTheme, setSystemTheme] = useState&lt;'light' | 'dark'&gt;(getSystemTheme);\n\n  const resolvedTheme = theme === 'system' ? systemTheme : theme;\n  const isDark = resolvedTheme === 'dark';\n\n  useEffect(() =&gt; {\n    const root = document.documentElement;\n    root.classList.toggle('dark', isDark);\n    root.style.colorScheme = isDark ? 'dark' : 'light';\n    localStorage.setItem(STORAGE_KEY, theme);\n  }, [isDark, theme]);\n\n  \/\/ OS\u306e\u30c0\u30fc\u30af\u30e2\u30fc\u30c9\u8a2d\u5b9a\u304c\u5909\u308f\u3063\u305f\u3068\u304d\u306b\u8ffd\u5f93\n  useEffect(() =&gt; {\n    const mql = window.matchMedia('(prefers-color-scheme: dark)');\n    const handler = (e: MediaQueryListEvent) =&gt; setSystemTheme(e.matches ? 'dark' : 'light');\n    mql.addEventListener('change', handler);\n    return () =&gt; mql.removeEventListener('change', handler);\n  }, []);\n\n  const setLight = useCallback(() =&gt; setTheme('light'), []);\n  const setDark = useCallback(() =&gt; setTheme('dark'), []);\n  const setSystem = useCallback(() =&gt; setTheme('system'), []);\n  const toggle = useCallback(() =&gt; {\n    setTheme(prev =&gt; prev === 'dark' || (prev === 'system' &amp;&amp; getSystemTheme() === 'dark')\n      ? 'light'\n      : 'dark'\n    );\n  }, []);\n\n  return { theme, isDark, setLight, setDark, setSystem, toggle };\n}<\/code><\/pre>\n\n\n\n<p>AI\u306e\u521d\u7248\u304c8\u884c\u3060\u3063\u305f\u306e\u306b\u5bfe\u3057\u3001\u4fee\u6b63\u7248\u306f50\u884c\u4ee5\u4e0a\u306b\u306a\u308a\u307e\u3059\u3002\u6a5f\u80fd\u304c\u5897\u3048\u305f\u304b\u3089\u5f53\u7136\u3067\u3059\u304c\u3001<strong>AI\u306b\u300c\u30c0\u30fc\u30af\u30e2\u30fc\u30c9\u30d5\u30c3\u30af\u300d\u3068\u8a00\u3063\u305f\u3060\u3051\u3067\u306f\u3001localStorage\u6c38\u7d9a\u5316\u3001OS\u8a2d\u5b9a\u8ffd\u5f93\u3001SSR\u5bfe\u5fdc\u306e3\u3064\u304c\u629c\u3051\u308b<\/strong>\u3068\u3044\u3046\u77e5\u898b\u304c\u5f97\u3089\u308c\u307e\u3059\u3002<\/p>\n\n\n\n<p><small>\u3067\u3082\u6b63\u76f4\u3001\u300c\u30c0\u30fc\u30af\u30e2\u30fc\u30c9\u306e\u5b9f\u88c5\u3050\u3089\u3044\u81ea\u5206\u3067\u66f8\u3051\u308b\u306e\u3067\u306f\u300d\u3068\u601d\u3063\u305f\u306e\u306f\u5185\u7dd2\u3067\u3059\u3002AI\u99c6\u52d5\u958b\u767a\u306f\u300c\u81ea\u5206\u3067\u66f8\u3051\u308b\u4eba\u304cAI\u3067\u52a0\u901f\u3059\u308b\u300d\u305f\u3081\u306e\u624b\u6cd5\u3067\u3042\u3063\u3066\u3001\u300c\u66f8\u3051\u306a\u3044\u4eba\u304cAI\u306b\u4e38\u6295\u3052\u3059\u308b\u300d\u305f\u3081\u306e\u624b\u6cd5\u3067\u306f\u306a\u3044\u3068\u3044\u3046\u306e\u304c\u3001\u534a\u5e74\u9593\u306e\u5b9f\u611f\u3067\u3059\u3002<\/small><\/p>\n\n\n\n<h2 class=\"wp-block-heading\">\u7121\u9650\u30b9\u30af\u30ed\u30fc\u30eb\uff1a\u52d5\u304f\u3051\u3069\u58ca\u308c\u308b\u30b3\u30fc\u30c9\u304c\u4e00\u756a\u6016\u3044<\/h2>\n\n\n\n<p>\u7121\u9650\u30b9\u30af\u30ed\u30fc\u30eb\u306e\u30d5\u30c3\u30af\u3001\u307f\u306a\u3055\u3093\u3082\u4e00\u5ea6\u306f\u5b9f\u88c5\u3057\u305f\u3053\u3068\u304c\u3042\u308b\u306e\u3067\u306f\u306a\u3044\u3067\u3057\u3087\u3046\u304b\u3002\u30c7\u30fc\u30bf\u3092\u8ffd\u52a0\u3067\u8aad\u307f\u8fbc\u3093\u3067\u3044\u304f\u51e6\u7406\u306f\u3001\u898b\u305f\u76ee\u306f\u30b7\u30f3\u30d7\u30eb\u3067\u3059\u304c\u7f60\u304c\u591a\u3044\u3067\u3059\u3002<\/p>\n\n\n\n<h3 class=\"wp-block-heading\">AI\u304c\u51fa\u3057\u305f\u30b3\u30fc\u30c9\uff08\u521d\u7248\uff09<\/h3>\n\n\n\n<pre class=\"wp-block-code\"><code>\/\/ AI\u304c\u751f\u6210\u3057\u305f\u521d\u7248\uff1auseInfiniteScroll.ts\nimport { useState, useEffect, useCallback } from 'react';\n\nexport function useInfiniteScroll&lt;T&gt;(\n  fetchFn: (page: number) =&gt; Promise&lt;T[]&gt;,\n) {\n  const [data, setData] = useState&lt;T[]&gt;([]);\n  const [page, setPage] = useState(1);\n  const [loading, setLoading] = useState(false);\n\n  const loadMore = useCallback(async () =&gt; {\n    setLoading(true);\n    const newData = await fetchFn(page);\n    setData(prev =&gt; [...prev, ...newData]);\n    setPage(prev =&gt; prev + 1);\n    setLoading(false);\n  }, [fetchFn, page]);\n\n  useEffect(() =&gt; {\n    loadMore();\n  }, []); \/\/ \u521d\u56de\u30ed\u30fc\u30c9\n\n  useEffect(() =&gt; {\n    const handleScroll = () =&gt; {\n      if (\n        window.innerHeight + window.scrollY &gt;= document.body.offsetHeight - 500 &amp;&amp;\n        !loading\n      ) {\n        loadMore();\n      }\n    };\n    window.addEventListener('scroll', handleScroll);\n    return () =&gt; window.removeEventListener('scroll', handleScroll);\n  }, [loading, loadMore]);\n\n  return { data, loading };\n}<\/code><\/pre>\n\n\n\n<h3 class=\"wp-block-heading\">\u300c\u52d5\u304f\u300d\u3068\u300c\u58ca\u308c\u306a\u3044\u300d\u306f\u5225\u306e\u8a71<\/h3>\n\n\n\n<p>\u3053\u306e\u30b3\u30fc\u30c9\u3001\u30ed\u30fc\u30ab\u30eb\u3067\u30b5\u30c3\u3068\u52d5\u304b\u3059\u3068\u4e00\u898b\u3046\u307e\u304f\u3044\u304d\u307e\u3059\u3002\u3068\u3053\u308d\u304c\u30d7\u30ed\u30c0\u30af\u30b7\u30e7\u30f3\u306b\u8f09\u305b\u305f\u77ac\u9593\u3001\u3044\u304f\u3064\u3082\u306e\u5730\u96f7\u304c\u5f85\u3063\u3066\u3044\u307e\u3059\u3002<\/p>\n\n\n\n<p><strong>1. fetchFn\u304c\u4f9d\u5b58\u914d\u5217\u306b\u5165\u3063\u3066\u3044\u3066\u7121\u9650\u30eb\u30fc\u30d7\u306e\u5371\u967a<\/strong><br>\u547c\u3073\u51fa\u3057\u5074\u304c\u30a4\u30f3\u30e9\u30a4\u30f3\u3067\u95a2\u6570\u3092\u6e21\u3059\u3068\u3001\u30ec\u30f3\u30c0\u30ea\u30f3\u30b0\u306e\u305f\u3073\u306bloadMore\u304c\u518d\u751f\u6210\u2192useEffect\u304c\u518d\u5b9f\u884c\u2192fetch\u304c\u8d70\u308b\u7121\u9650\u30eb\u30fc\u30d7\u306b\u9665\u308a\u307e\u3059\u3002\u30d0\u30a4\u30af\u3067\u8a00\u3048\u3070\u3001\u30a2\u30af\u30bb\u30eb\u304c\u623b\u3089\u306a\u304f\u306a\u308b\u3088\u3046\u306a\u3082\u306e\u3067\u3059\u3002\u898b\u305f\u76ee\u306f\u52d5\u3044\u3066\u3044\u3066\u3082\u3001\u3059\u3050\u306b\u66b4\u8d70\u3057\u307e\u3059\u3002<\/p>\n\n\n\n<p><strong>2. hasMore\u306e\u6982\u5ff5\u304c\u306a\u3044<\/strong><br>\u30c7\u30fc\u30bf\u304c\u5c3d\u304d\u3066\u3082\u6c38\u9060\u306bfetch\u3057\u7d9a\u3051\u307e\u3059\u3002API\u304c\u7a7a\u914d\u5217\u3092\u8fd4\u3057\u3066\u3082\u3001\u6b21\u306e\u30da\u30fc\u30b8\u3092\u30ea\u30af\u30a8\u30b9\u30c8\u3057\u7d9a\u3051\u308b\u3002\u30b5\u30fc\u30d0\u30fc\u306b\u7121\u99c4\u306a\u8ca0\u8377\u3092\u304b\u3051\u7d9a\u3051\u308b\u8a2d\u8a08\u3067\u3059\u3002<\/p>\n\n\n\n<p><strong>3. scroll\u30a4\u30d9\u30f3\u30c8\u306e\u30d1\u30d5\u30a9\u30fc\u30de\u30f3\u30b9<\/strong><br>scroll\u30a4\u30d9\u30f3\u30c8\u306f1\u79d2\u306b60\u56de\u4ee5\u4e0a\u767a\u706b\u3057\u307e\u3059\u3002\u305d\u306e\u305f\u3073\u306b\u6761\u4ef6\u5224\u5b9a\u304c\u8d70\u308b\u306e\u306f\u975e\u52b9\u7387\u3067\u3059\u3002<\/p>\n\n\n\n<p><strong>4. \u30a8\u30e9\u30fc\u30cf\u30f3\u30c9\u30ea\u30f3\u30b0\u304c\u306a\u3044<\/strong><br>\u30cd\u30c3\u30c8\u30ef\u30fc\u30af\u30a8\u30e9\u30fc\u304c\u8d77\u304d\u305f\u3068\u304d\u3001\u30e6\u30fc\u30b6\u30fc\u306b\u306f\u4f55\u3082\u4f1d\u308f\u308a\u307e\u305b\u3093\u3002\u30ea\u30c8\u30e9\u30a4\u3059\u308b\u624b\u6bb5\u3082\u3042\u308a\u307e\u305b\u3093\u3002<\/p>\n\n\n\n<p><small>\u6b63\u76f4\u306b\u8a00\u3046\u3068\u3001\u3053\u306e\u30b3\u30fc\u30c9\u3092\u305d\u306e\u307e\u307e\u30d7\u30eb\u30ea\u30af\u30a8\u30b9\u30c8\u306b\u51fa\u3057\u3066\u304d\u305f\u3089\u5dee\u3057\u623b\u3057\u307e\u3059\u3002\u52d5\u304f\u3053\u3068\u3068\u58ca\u308c\u306a\u3044\u3053\u3068\u306f\u3001\u307e\u3063\u305f\u304f\u5225\u306e\u8a71\u306a\u306e\u3067\u3002<\/small><\/p>\n\n\n\n<h3 class=\"wp-block-heading\">\u4fee\u6b63\u5f8c\u306e\u30b3\u30fc\u30c9<\/h3>\n\n\n\n<pre class=\"wp-block-code\"><code>\/\/ \u4fee\u6b63\u7248\uff1auseInfiniteScroll.ts\nimport { useState, useEffect, useCallback, useRef } from 'react';\n\ntype UseInfiniteScrollOptions&lt;T&gt; = {\n  fetchFn: (page: number) =&gt; Promise&lt;T[]&gt;;\n  pageSize?: number;\n};\n\nexport function useInfiniteScroll&lt;T&gt;({\n  fetchFn,\n  pageSize = 20,\n}: UseInfiniteScrollOptions&lt;T&gt;) {\n  const [data, setData] = useState&lt;T[]&gt;([]);\n  const [page, setPage] = useState(1);\n  const [loading, setLoading] = useState(false);\n  const [hasMore, setHasMore] = useState(true);\n  const [error, setError] = useState&lt;Error | null&gt;(null);\n\n  const fetchFnRef = useRef(fetchFn);\n  fetchFnRef.current = fetchFn;\n\n  const loadMore = useCallback(async () =&gt; {\n    if (loading || !hasMore) return;\n\n    setLoading(true);\n    setError(null);\n\n    try {\n      const newData = await fetchFnRef.current(page);\n      setData(prev =&gt; [...prev, ...newData]);\n      setHasMore(newData.length &gt;= pageSize);\n      setPage(prev =&gt; prev + 1);\n    } catch (err) {\n      setError(err instanceof Error ? err : new Error('\u30c7\u30fc\u30bf\u306e\u53d6\u5f97\u306b\u5931\u6557\u3057\u307e\u3057\u305f'));\n    } finally {\n      setLoading(false);\n    }\n  }, [loading, hasMore, page, pageSize]);\n\n  \/\/ \u521d\u56de\u30ed\u30fc\u30c9\n  useEffect(() =&gt; {\n    loadMore();\n  }, []); \/\/ eslint-disable-line react-hooks\/exhaustive-deps\n\n  \/\/ IntersectionObserver\u3067\u30b9\u30af\u30ed\u30fc\u30eb\u691c\u77e5\n  const sentinelRef = useRef&lt;HTMLDivElement | null&gt;(null);\n\n  useEffect(() =&gt; {\n    const sentinel = sentinelRef.current;\n    if (!sentinel) return;\n\n    const observer = new IntersectionObserver(\n      (entries) =&gt; {\n        if (entries[0].isIntersecting &amp;&amp; !loading &amp;&amp; hasMore) {\n          loadMore();\n        }\n      },\n      { rootMargin: '200px' }\n    );\n\n    observer.observe(sentinel);\n    return () =&gt; observer.disconnect();\n  }, [loading, hasMore, loadMore]);\n\n  const retry = useCallback(() =&gt; {\n    setError(null);\n    loadMore();\n  }, [loadMore]);\n\n  return { data, loading, hasMore, error, sentinelRef, retry };\n}<\/code><\/pre>\n\n\n\n<p>\u4fee\u6b63\u306e\u30dd\u30a4\u30f3\u30c8\u306f3\u3064\u3067\u3059\u3002<\/p>\n\n\n\n<ul class=\"wp-block-list\">\n<li><code>fetchFnRef<\/code>\u3067fetchFn\u306e\u53c2\u7167\u3092\u5b89\u5b9a\u5316\u3057\u3001\u7121\u9650\u30eb\u30fc\u30d7\u3092\u9632\u6b62<\/li>\n<li><code>hasMore<\/code>\u30d5\u30e9\u30b0\u3092\u8ffd\u52a0\u3057\u3001\u53d6\u5f97\u4ef6\u6570\u304cpageSize\u3088\u308a\u5c11\u306a\u3051\u308c\u3070\u300c\u3082\u3046\u30c7\u30fc\u30bf\u304c\u306a\u3044\u300d\u3068\u5224\u65ad<\/li>\n<li>scroll\u30a4\u30d9\u30f3\u30c8\u306e\u4ee3\u308f\u308a\u306b<strong>IntersectionObserver<\/strong>\u3092\u4f7f\u7528\u3002\u30ea\u30b9\u30c8\u672b\u5c3e\u306bsentinel\u8981\u7d20\u3092\u914d\u7f6e\u3057\u3001\u305d\u308c\u304c\u753b\u9762\u306b\u5165\u3063\u305f\u3068\u304d\u3060\u3051fetch\u3092\u5b9f\u884c\u3059\u308b\u8a2d\u8a08\u306b\u5909\u66f4<\/li>\n<\/ul>\n\n\n\n<h2 class=\"wp-block-heading\">3\u3064\u306e\u30d5\u30c3\u30af\u304b\u3089\u898b\u3048\u305fAI\u99c6\u52d5\u958b\u767a\u306e\u30ea\u30a2\u30eb<\/h2>\n\n\n\n<p>3\u3064\u306e\u30ab\u30b9\u30bf\u30e0\u30d5\u30c3\u30af\u3092\u901a\u3058\u3066\u3001AI\u99c6\u52d5\u958b\u767a\u306b\u304a\u3051\u308b\u300c\u4eba\u9593\u306e\u5f79\u5272\u300d\u304c\u898b\u3048\u3066\u304d\u307e\u3059\u3002<\/p>\n\n\n\n<p>AI\u304c\u5f97\u610f\u306a\u3053\u3068\uff1a<\/p>\n\n\n\n<ul class=\"wp-block-list\">\n<li>\u57fa\u672c\u7684\u306a\u578b\u5b9a\u7fa9\u3068\u95a2\u6570\u69cb\u9020\u306e\u8a2d\u8a08<\/li>\n<li>\u6a19\u6e96\u7684\u306a\u30d1\u30bf\u30fc\u30f3\uff08useState + useEffect + useCallback\uff09\u306e\u7d44\u307f\u5408\u308f\u305b<\/li>\n<li>\u30b3\u30fc\u30c9\u306e\u53ef\u8aad\u6027\u3068\u547d\u540d<\/li>\n<\/ul>\n\n\n\n<p>AI\u304c\u82e6\u624b\u306a\u3053\u3068\uff1a<\/p>\n\n\n\n<ul class=\"wp-block-list\">\n<li>UX\u306e\u8003\u616e\uff08touched\u72b6\u614b\u3001\u30ea\u30bb\u30c3\u30c8\u6a5f\u80fd\uff09<\/li>\n<li>React\u306e\u518d\u30ec\u30f3\u30c0\u30ea\u30f3\u30b0\u7279\u6027\u3092\u8e0f\u307e\u3048\u305f\u6700\u9069\u5316\uff08useRef\u3001\u4f9d\u5b58\u914d\u5217\u306e\u8a2d\u8a08\uff09<\/li>\n<li>\u30a8\u30c3\u30b8\u30b1\u30fc\u30b9\uff08\u30c7\u30fc\u30bf\u7d42\u7aef\u3001SSR\u5bfe\u5fdc\u3001\u30a8\u30e9\u30fc\u30cf\u30f3\u30c9\u30ea\u30f3\u30b0\uff09<\/li>\n<li>\u904b\u7528\u3092\u898b\u636e\u3048\u305f\u8a2d\u8a08\uff08\u6c38\u7d9a\u5316\u3001OS\u8a2d\u5b9a\u8ffd\u5f93\uff09<\/li>\n<\/ul>\n\n\n\n<p>\u7d50\u8ad6\u3068\u3057\u3066\u3001AI\u99c6\u52d5\u958b\u767a\u306b\u304a\u3044\u3066<strong>AI\u306f\u300c7\u5272\u306e\u521d\u7248\u300d\u3092\u51fa\u3059\u306e\u304c\u5f97\u610f\u3067\u3001\u6b8b\u308a3\u5272\u306e\u54c1\u8cea\u3092\u62c5\u4fdd\u3059\u308b\u306e\u306f\u4eba\u9593\u306e\u4ed5\u4e8b<\/strong>\u3067\u3059\u3002\u3057\u304b\u3057\u305d\u306e\u300c7\u5272\u306e\u521d\u7248\u300d\u304c\u3042\u308b\u306e\u3068\u306a\u3044\u306e\u3068\u3067\u306f\u3001\u958b\u767a\u901f\u5ea6\u304c\u307e\u3063\u305f\u304f\u9055\u3044\u307e\u3059\u3002<\/p>\n\n\n\n<p>\u305d\u3057\u3066\u91cd\u8981\u306a\u306e\u306f<strong>\u30ec\u30d3\u30e5\u30fc\u529b<\/strong>\u3067\u3059\u3002AI\u306e\u51fa\u529b\u3092\u300c\u306a\u3093\u3068\u306a\u304f\u52d5\u304f\u304b\u3089OK\u300d\u3067\u901a\u3059\u306e\u3067\u306f\u306a\u304f\u3001\u300c\u518d\u30ec\u30f3\u30c0\u30ea\u30f3\u30b0\u306e\u5f71\u97ff\u306f\uff1f\u300d\u300c\u30a8\u30c3\u30b8\u30b1\u30fc\u30b9\u306f\uff1f\u300d\u300cUX\u306f\uff1f\u300d\u3068\u554f\u3048\u308b\u529b\u304cAI\u99c6\u52d5\u958b\u767a\u306e\u6210\u5426\u3092\u5206\u3051\u307e\u3059\u3002<\/p>\n\n\n\n<h2 class=\"wp-block-heading\">\u307e\u3068\u3081<\/h2>\n\n\n\n<p>\u4eca\u56de\u306f\u3001React\u306e\u30ab\u30b9\u30bf\u30e0\u30d5\u30c3\u30af3\u3064\u3092AI\u306b\u66f8\u304b\u305b\u3066\u54c1\u8cea\u3092\u691c\u8a3c\u3057\u307e\u3057\u305f\u3002<\/p>\n\n\n\n<ul class=\"wp-block-list\">\n<li>AI\u306f\u57fa\u672c\u69cb\u9020\u3092\u7d20\u65e9\u304f\u51fa\u529b\u3067\u304d\u308b\u304c\u3001UX\u30fb\u30d1\u30d5\u30a9\u30fc\u30de\u30f3\u30b9\u30fb\u30a8\u30c3\u30b8\u30b1\u30fc\u30b9\u306e\u8003\u616e\u304c\u4e0d\u5341\u5206\u306b\u306a\u308a\u304c\u3061<\/li>\n<li><code>useRef<\/code>\u306b\u3088\u308b\u53c2\u7167\u5b89\u5b9a\u5316\u3001<code>touched<\/code>\u306b\u3088\u308bUX\u5236\u5fa1\u3001<code>IntersectionObserver<\/code>\u306b\u3088\u308b\u30d1\u30d5\u30a9\u30fc\u30de\u30f3\u30b9\u6539\u5584\u306a\u3069\u3001\u4eba\u9593\u304c\u8ffd\u52a0\u3057\u305f\u4fee\u6b63\u306f\u300cReact\u306e\u6df1\u3044\u7406\u89e3\u300d\u306b\u57fa\u3065\u304f\u3082\u306e<\/li>\n<li>AI\u99c6\u52d5\u958b\u767a\u306f\u300c7\u5272\u306e\u521d\u7248\u3092AI\u306b\u51fa\u3055\u305b\u30013\u5272\u306e\u30ec\u30d3\u30e5\u30fc\u30fb\u4fee\u6b63\u3092\u4eba\u9593\u304c\u884c\u3046\u300d\u5354\u50cd\u30b9\u30bf\u30a4\u30eb<\/li>\n<li>\u30d7\u30ed\u30f3\u30d7\u30c8\u3092\u8a73\u7d30\u306b\u3059\u308c\u3070\u521d\u7248\u306e\u54c1\u8cea\u306f\u4e0a\u304c\u308b\u304c\u3001\u305d\u308c\u3067\u3082\u672c\u756a\u30ec\u30d9\u30eb\u306b\u306f\u4eba\u9593\u306e\u30ec\u30d3\u30e5\u30fc\u304c\u5fc5\u9808<\/li>\n<\/ul>\n\n\n\n<p>AI\u99c6\u52d5\u958b\u767a\u306f\u3001\u3059\u3067\u306b\u624b\u5143\u3067\u4f7f\u3048\u308b\u30b3\u30fc\u30c9\u3092\u66f8\u3051\u308b\u4eba\u304c\u3055\u3089\u306b\u901f\u304f\u306a\u308b\u305f\u3081\u306e\u624b\u6cd5\u3067\u3059\u3002\u300cAI\u304c\u66f8\u3044\u305f\u30b3\u30fc\u30c9\u306e\u3069\u3053\u304c\u30c0\u30e1\u304b\u300d\u3092\u898b\u629c\u3051\u308b\u529b\u304c\u306a\u3051\u308c\u3070\u3001AI\u306e\u6069\u6075\u306f\u534a\u6e1b\u3057\u307e\u3059\u3002<\/p>\n\n\n\n<p>\u682a\u5f0f\u4f1a\u793e\u30d5\u30a1\u30b9\u30c8\u30b3\u30fc\u30c7\u30a3\u30f3\u30b0\u3067\u306f\u3001React\/Next.js\u3092\u4e2d\u5fc3\u3068\u3057\u305f\u30d5\u30ed\u30f3\u30c8\u30a8\u30f3\u30c9\u958b\u767a\u3068\u3001AI\u99c6\u52d5\u958b\u767a\u3092\u53d6\u308a\u5165\u308c\u305f\u52b9\u7387\u7684\u306a\u5236\u4f5c\u30d7\u30ed\u30bb\u30b9\u3067\u30d7\u30ed\u30b8\u30a7\u30af\u30c8\u3092\u652f\u63f4\u3057\u3066\u3044\u307e\u3059\u3002\u300cAI\u99c6\u52d5\u958b\u767a\u3092\u81ea\u793e\u306e\u958b\u767a\u306b\u3082\u53d6\u308a\u5165\u308c\u305f\u3044\u300d\u300cReact\/Next.js\u306e\u5b9f\u88c5\u3092\u76f8\u8ac7\u3057\u305f\u3044\u300d\u3068\u3044\u3046\u65b9\u306f\u3001<a href=\"https:\/\/fastcoding.jp\/contact\/\">\u304a\u554f\u3044\u5408\u308f\u305b\u30d5\u30a9\u30fc\u30e0<\/a>\u304b\u3089\u304a\u6c17\u8efd\u306b\u3054\u9023\u7d61\u304f\u3060\u3055\u3044\u3002<\/p>\n<\/div>","protected":false},"excerpt":{"rendered":"<p>\u3053\u3093\u306b\u3061\u306f\u3001\u682a\u5f0f\u4f1a\u793e\u30d5\u30a1\u30b9\u30c8\u30b3\u30fc\u30c7\u30a3\u30f3\u30b0\u306e\u30d5\u30eb\u30b9\u30bf\u30c3\u30af\u30a8\u30f3\u30b8\u30cb\u30a2\u3001\u72ec\u8eab\u8cb4\u65cfFire\u3067\u3059\u3002 \u6700\u8fd1\u3001\u30ae\u30bf\u30fc\u306e\u7df4\u7fd2\u3067\u30b3\u30fc\u30c9\u9032\u884c\u3092\u899a\u3048\u308b\u306e\u304c\u9762\u5012\u3067\u3001AI\u306b\u300cKey=Am\u306e\u30d6\u30eb\u30fc\u30b9\u9032\u884c\u309210\u30d1\u30bf\u30fc\u30f3\u51fa\u3057\u3066\u300d\u3068\u805e\u3044\u3066\u307f\u305f\u3093\u3067\u3059\u3002\u51fa\u3066 [&hellip;]<\/p>\n","protected":false},"author":20,"featured_media":9760,"comment_status":"closed","ping_status":"closed","sticky":false,"template":"","format":"standard","meta":{"_acf_changed":false,"_jetpack_memberships_contains_paid_content":false,"footnotes":"","jetpack_publicize_message":"","jetpack_publicize_feature_enabled":true,"jetpack_social_post_already_shared":true,"jetpack_social_options":{"image_generator_settings":{"template":"highway","default_image_id":0,"enabled":false},"version":2}},"categories":[13],"tags":[741,275,23],"class_list":["post-9743","post","type-post","status-publish","format-standard","has-post-thumbnail","hentry","category-frontend","tag-ai","tag-react","tag-23"],"acf":[],"aioseo_notices":[],"jetpack_publicize_connections":[],"jetpack_featured_media_url":"https:\/\/fastcoding.jp\/blog\/wp-content\/uploads\/2026\/05\/1b033ecd557892a15ebffdc390341a26.jpg","jetpack_sharing_enabled":true,"amp_enabled":true,"_links":{"self":[{"href":"https:\/\/fastcoding.jp\/blog\/wp-json\/wp\/v2\/posts\/9743","targetHints":{"allow":["GET"]}}],"collection":[{"href":"https:\/\/fastcoding.jp\/blog\/wp-json\/wp\/v2\/posts"}],"about":[{"href":"https:\/\/fastcoding.jp\/blog\/wp-json\/wp\/v2\/types\/post"}],"author":[{"embeddable":true,"href":"https:\/\/fastcoding.jp\/blog\/wp-json\/wp\/v2\/users\/20"}],"replies":[{"embeddable":true,"href":"https:\/\/fastcoding.jp\/blog\/wp-json\/wp\/v2\/comments?post=9743"}],"version-history":[{"count":1,"href":"https:\/\/fastcoding.jp\/blog\/wp-json\/wp\/v2\/posts\/9743\/revisions"}],"predecessor-version":[{"id":9744,"href":"https:\/\/fastcoding.jp\/blog\/wp-json\/wp\/v2\/posts\/9743\/revisions\/9744"}],"wp:featuredmedia":[{"embeddable":true,"href":"https:\/\/fastcoding.jp\/blog\/wp-json\/wp\/v2\/media\/9760"}],"wp:attachment":[{"href":"https:\/\/fastcoding.jp\/blog\/wp-json\/wp\/v2\/media?parent=9743"}],"wp:term":[{"taxonomy":"category","embeddable":true,"href":"https:\/\/fastcoding.jp\/blog\/wp-json\/wp\/v2\/categories?post=9743"},{"taxonomy":"post_tag","embeddable":true,"href":"https:\/\/fastcoding.jp\/blog\/wp-json\/wp\/v2\/tags?post=9743"}],"curies":[{"name":"wp","href":"https:\/\/api.w.org\/{rel}","templated":true}]}}