{"description":"\u3053\u3093\u306b\u3061\u306f\u3001PB\u958b\u767a\u672c\u90e8\u306e\u5b87\u91ce\u3067\u3059\u3002 \u73fe\u5728\u306e\u30d7\u30ed\u30b8\u30a7\u30af\u30c8\u3067\u306f React 18 \u3092\u4f7f\u7528\u3057\u3066\u3044\u307e\u3059\u304c\u3001\u4eca\u5f8c\u3069\u3053\u304b\u306e\u30bf\u30a4\u30df\u30f3\u30b0\u3067 React 19 \u3078\u306e\u30a2\u30c3\u30d7\u30c7\u30fc\u30c8\u304c\u5fc5\u8981\u306b\u306a\u308b\u306f\u305a\u3067\u3059\u3002\u30b9\u30e0\u30fc\u30ba\u306b\u79fb\u884c\u3067\u304d\u308b\u3088\u3046\u3001React 19 \u3078\u30d0\u30fc\u30b8\u30e7\u30f3\u30a2\u30c3\u30d7\u3059\u308b\u969b\u306e\u6ce8\u610f\u70b9\u3092\u4e8b\u524d\u306b\u6574\u7406\u3057\u3066\u304a\u304d\u307e\u3057\u305f\u3002 React 19 \u306f\u30ec\u30f3\u30c0\u30ea\u30f3\u30b0\u6319\u52d5\u306e\u6539\u5584\u30fb\u65b0\u3057\u3044 Actions\u30fbStrictMode \u5f37\u5316\u306a\u3069\u304c\u3042\u308a\u3001React 18 \u306e\u307e\u307e\u306e\u30b3\u30fc\u30c9\u3060\u3068\u610f\u56f3\u3057\u306a\u3044\u6319\u52d5\u306b\u306a\u308b\u30b1\u30fc\u30b9\u304c\u3042\u308a\u307e\u3059\u3002 \u7279\u306b Vite + plugin-react-swc \u3092\u4f7f\u3063\u3066\u3044\u308b\u74b0\u5883\u306f\u3001React 19 \u3067\u6700\u3082\u30c8\u30e9\u30d6\u30eb\u304c\u8d77\u304d\u3084\u3059\u3044\u7d44\u307f\u5408\u308f\u305b\u307f\u2026","provider_url":"https://hatena.blog","author_url":"https://blog.hatena.ne.jp/so-technologies/","type":"rich","version":"1.0","url":"https://developer.so-tech.co.jp/entry/2025/12/22/131543","html":"<iframe src=\"https://hatenablog-parts.com/embed?url=https%3A%2F%2Fdeveloper.so-tech.co.jp%2Fentry%2F2025%2F12%2F22%2F131543\" title=\"React 18 \u304b\u3089 19 \u3078\u306e\u30a2\u30c3\u30d7\u30c7\u30fc\u30c8\u6642\u306b\u6ce8\u610f\u3059\u3079\u304d\u30dd\u30a4\u30f3\u30c8\u307e\u3068\u3081 - SO Technologies \u958b\u767a\u8005\u30d6\u30ed\u30b0\" class=\"embed-card embed-blogcard\" scrolling=\"no\" frameborder=\"0\" style=\"display: block; width: 100%; height: 190px; max-width: 500px; margin: 10px 0px;\"></iframe>","width":"100%","height":"190","title":"React 18 \u304b\u3089 19 \u3078\u306e\u30a2\u30c3\u30d7\u30c7\u30fc\u30c8\u6642\u306b\u6ce8\u610f\u3059\u3079\u304d\u30dd\u30a4\u30f3\u30c8\u307e\u3068\u3081","image_url":null,"blog_title":"SO Technologies \u958b\u767a\u8005\u30d6\u30ed\u30b0","author_name":"so-technologies","categories":[],"published":"2025-12-22 13:15:43","blog_url":"https://developer.so-tech.co.jp/","provider_name":"Hatena Blog"}