{"categories":["TypeScript"],"html":"<iframe src=\"https://hatenablog-parts.com/embed?url=https%3A%2F%2Fshironeko.hateblo.jp%2Fentry%2F2025%2F11%2F22%2F225850\" title=\"TypeScript\u306e\u578b\u3092\u5fa9\u7fd2\u3059\u308b\u3000\u305d\u306e3 - \u767d\u732b\u306e\u30e1\u30e2\u5e33\" class=\"embed-card embed-blogcard\" scrolling=\"no\" frameborder=\"0\" style=\"display: block; width: 100%; height: 190px; max-width: 500px; margin: 10px 0px;\"></iframe>","version":"1.0","published":"2025-11-22 22:58:50","description":"\u3053\u3093\u3070\u3093\u306f\u3002 \u30d6\u30e9\u30c3\u30af\u30d5\u30e9\u30a4\u30c7\u30fc\u3067\u4f55\u3092\u8cb7\u3046\u304b\u6c7a\u3081\u307e\u3057\u305f\u304b\uff1f \u4eca\u56de\u306fUtility Types\u3092\u4e00\u6c17\u306b\u78ba\u8a8d\u3057\u3066\u3044\u304d\u307e\u3059\u3002 \u524d\u56de\u306e\u8a18\u4e8b\u3067\u89e3\u8aac\u3057\u305f\u901a\u308a\u3001Utility Types\u306f\u578b\u304b\u3089\u5225\u306e\u578b\u306b\u5909\u63db\u3059\u308b\u305f\u3081\u306e\u578b\u3067\u3059\u3002\u578b\u30ec\u30d9\u30eb\u306e\u95a2\u6570\u307f\u305f\u3044\u306a\u30a4\u30e1\u30fc\u30b8\u3067\u3059\u304b\u306d\u3002\u4eca\u56de\u7d39\u4ecb\u3059\u308b\u578b\u306f\u3059\u3079\u3066\u300clib.es5.d.ts\u300d\u3068\u3057\u3066TypeScript\u306e\u6a19\u6e96\u30e9\u30a4\u30d6\u30e9\u30ea\u306b\u5b9a\u7fa9\u3055\u308c\u3066\u3044\u307e\u3059\u3002 \u3067\u304d\u308b\u3060\u3051\u305d\u306e\u307e\u307e\u300clib.es5.d.ts\u300d\u306e\u305d\u306e\u307e\u307e\u306e\u9806\u756a\u3067\u7d39\u4ecb\u3057\u307e\u3059\u304c\u3001\u4e00\u90e8\u308f\u304b\u308a\u3084\u3059\u3055\u306e\u305f\u3081\u306b\u9806\u756a\u306f\u5165\u308c\u66ff\u3048\u3066\u3044\u307e\u3059\u3002 Partial type Partial<T> = { [P in keyof T]?: T[P]; }; \u2026","height":"190","author_url":"https://blog.hatena.ne.jp/Shiro-Neko/","provider_url":"https://hatena.blog","url":"https://shironeko.hateblo.jp/entry/2025/11/22/225850","blog_title":"\u767d\u732b\u306e\u30e1\u30e2\u5e33","image_url":null,"type":"rich","provider_name":"Hatena Blog","title":"TypeScript\u306e\u578b\u3092\u5fa9\u7fd2\u3059\u308b\u3000\u305d\u306e3","width":"100%","author_name":"Shiro-Neko","blog_url":"https://shironeko.hateblo.jp/"}