{"id":2155,"date":"2025-07-02T06:25:06","date_gmt":"2025-07-02T06:25:06","guid":{"rendered":"https:\/\/satokotadesign.com\/blog\/?p=2155"},"modified":"2025-07-02T06:25:06","modified_gmt":"2025-07-02T06:25:06","slug":"abortcontroller","status":"publish","type":"post","link":"https:\/\/satokotadesign.com\/blog\/abortcontroller\/","title":{"rendered":"\u30cd\u30c3\u30c8\u30ef\u30fc\u30af\u9045\u5ef6\u306b\u5f37\u304f\u306a\u308b\uff01AbortController\u3067Fetch\u901a\u4fe1\u3092\u30b9\u30de\u30fc\u30c8\u306b\u4e2d\u65ad\u3059\u308b\u65b9\u6cd5\u3010JS\u4e2d\u7d1a\u3011"},"content":{"rendered":"

\u3053\u3093\u306b\u3061\u306f\uff01\u9759\u5ca1\u770c\u6d5c\u677e\u5e02\u3067WEB\u30c7\u30b6\u30a4\u30ca\u30fc\u3092\u3057\u3066\u3044\u307e\u3059\u5c0f\u7027\u3067\u3059\u3002
\n\u4eca\u56de\u306f\u300cAbortController <\/span>\u3092\u4f7f\u3063\u3066 Fetch <\/span>\u306e\u901a\u4fe1\u3092\u4e2d\u65ad\u3059\u308b\u30c6\u30af\u30cb\u30c3\u30af\u300d\u3092\u3054\u7d39\u4ecb\u3057\u307e\u3059\u3002<\/p>\n

\u30d5\u30a9\u30fc\u30e0\u9001\u4fe1\u3084\u691c\u7d22\u6a5f\u80fd\u306a\u3069\u3067\u3001\u30e6\u30fc\u30b6\u30fc\u304c\u64cd\u4f5c\u3092\u5909\u3048\u305f\u306e\u306b\u3001\u53e4\u3044\u901a\u4fe1\u304c\u623b\u3063\u3066\u304d\u3066\u753b\u9762\u304c\u30c1\u30e9\u3064\u3044\u305f\u2026<\/span>\u305d\u3093\u306a\u7d4c\u9a13\u3042\u308a\u307e\u305b\u3093\u304b\uff1f<\/p>\n

\u305d\u3046\u3057\u305f\u554f\u984c\u3092\u9632\u3050\u306e\u304c AbortController\u3002<\/span>
\n\u6700\u8fd1\u306eJavaScript\u3067\u306f\u3001\u975e\u540c\u671f\u51e6\u7406\u306e\u5b89\u5b9a\u6027\u30fbUI\u306e\u5fdc\u7b54\u6027\u3092\u4fdd\u3064\u305f\u3081\u306bFetch\u306e\u4e2d\u65ad\u51e6\u7406\u304c\u975e\u5e38\u306b\u91cd\u8981\u306b\u306a\u3063\u3066\u3044\u307e\u3059\u3002<\/p>\n

\u3053\u306e\u8a18\u4e8b\u3067\u306f\u3001\u9045\u5ef6\u306e\u3042\u308b\u30cd\u30c3\u30c8\u30ef\u30fc\u30af\u901a\u4fe1\u306b\u5099\u3048\u305f\u5b9f\u8df5\u7684\u306aFetch\u4e2d\u65ad\u51e6\u7406\u3092\u3001\u30b3\u30fc\u30c9\u4ed8\u304d\u3067\u308f\u304b\u308a\u3084\u3059\u304f\u89e3\u8aac\u3057\u307e\u3059\uff01<\/p>\n

\n

\u306a\u305cFetch\u306e\u4e2d\u65ad\u304c\u5fc5\u8981\uff1f<\/span><\/h2>\n

\u305f\u3068\u3048\u3070\u3001\u30ea\u30a2\u30eb\u30bf\u30a4\u30e0\u691c\u7d22\u30d5\u30a9\u30fc\u30e0\u306e\u3088\u3046\u306a\u30a4\u30f3\u30bf\u30fc\u30d5\u30a7\u30fc\u30b9\u3067\u306f\u3001\u30e6\u30fc\u30b6\u30fc\u304c\u5165\u529b\u3092\u5909\u3048\u308b\u305f\u3073\u306bAPI\u30ea\u30af\u30a8\u30b9\u30c8\u304c\u767a\u751f\u3057\u307e\u3059\u3002
\n\u305d\u306e\u3068\u304d\u3001\u9045\u308c\u305f\u30ec\u30b9\u30dd\u30f3\u30b9\u304c\u5f8c\u304b\u3089\u8fd4\u3063\u3066\u304f\u308b\u3068\u3001\u6700\u65b0\u306e\u72b6\u614b\u304c\u4e0a\u66f8\u304d\u3055\u308c\u3066\u3057\u307e\u3046\u3053\u3068\u304c\u3042\u308a\u307e\u3059\u3002<\/p>\n

\n
\u4e2d\u65ad\u3057\u306a\u3044\u5834\u5408\u306e\u554f\u984c<\/div>\n
\u30e6\u30fc\u30b6\u30fc\u304c\u300cABC\u300d\u2192\u300cAB\u300d\u3068\u5165\u529b\u3057\u76f4\u3057\u3066\u3082\u3001\u300cABC\u300d\u306e\u7d50\u679c\u304c\u5f8c\u304b\u3089\u4e0a\u66f8\u304d\u3055\u308c\u308b
\n \u30ed\u30fc\u30c7\u30a3\u30f3\u30b0UI\u304c\u3044\u3064\u307e\u3067\u3082\u6d88\u3048\u306a\u3044
\n\u30bf\u30a4\u30e0\u30a2\u30a6\u30c8\u5236\u5fa1\u304c\u9762\u5012\u306b\u306a\u308b <\/div>\n<\/p><\/div>\n

\u3053\u306e\u3088\u3046\u306a\u554f\u984c\u3092\u89e3\u6c7a\u3059\u308b\u306e\u304c AbortController\u3002<\/span><\/p>\n

\u300c\u3044\u3089\u306a\u304f\u306a\u3063\u305f\u30ea\u30af\u30a8\u30b9\u30c8\u3092\u9014\u4e2d\u3067\u30ad\u30e3\u30f3\u30bb\u30eb\u300d<\/span>\u3067\u304d\u308b\u3088\u3046\u306b\u306a\u308a\u307e\u3059\u3002<\/p>\n

\n

AbortController\u3068\u306f\uff1f<\/span><\/h2>\n

AbortController \u306f JavaScript\u306e\u6a19\u6e96API\u3067\u3001Fetch\u901a\u4fe1\u306b\u300c\u30ad\u30e3\u30f3\u30bb\u30eb\u6a5f\u80fd\u300d<\/span>\u3092\u8ffd\u52a0\u3067\u304d\u307e\u3059\u3002<\/p>\n

\u57fa\u672c\u69cb\u6587<\/span><\/h3>\n
const controller = new AbortController();\r\n  const signal = controller.signal;\r\n  fetch(url, { signal })\r\n    .then((response) => response.json())\r\n    .then((data) => {\r\n      console.log(data);\r\n    })\r\n    .catch((error) => {\r\n      if (error.name === \"AbortError\") {\r\n        console.log(\"Fetch aborted\");\r\n      } else {\r\n        console.error(\"Other error:\", error);\r\n      }\r\n    }); \/\/ \u5fc5\u8981\u306a\u304f\u306a\u3063\u305f\u3089\u4e2d\u65ad\uff01 \r\n    controller.abort();<\/code><\/pre>\n
\u30dd\u30a4\u30f3\u30c8\u306f fetch() <\/span>\u306e\u7b2c2\u5f15\u6570\u306b { signal } <\/span>\u3092\u6e21\u3059\u3053\u3068\u3002
\n\u305d\u3057\u3066 controller.abort() <\/span>\u3092\u547c\u3076\u3068\u3001\u901a\u4fe1\u304c\u9014\u4e2d\u3067\u4e2d\u65ad\u3055\u308c\u307e\u3059\u3002<\/p>\n
\n
\u5b9f\u7528\u4f8b\uff1a\u691c\u7d22\u30d5\u30a9\u30fc\u30e0\u306e\u5165\u529b\u306b\u9023\u52d5\u3057\u3066Abort<\/span><\/h2>\n
\u30ea\u30a2\u30eb\u30bf\u30a4\u30e0\u691c\u7d22\u306a\u3069\u3067\u3001\u5165\u529b\u304c\u5909\u308f\u308b\u305f\u3073\u306b\u53e4\u3044\u901a\u4fe1\u3092\u30ad\u30e3\u30f3\u30bb\u30eb\u3057\u305f\u3044\u5834\u9762<\/span>\u3067\u306f\u3001\u4ee5\u4e0b\u306e\u3088\u3046\u306b\u5b9f\u88c5\u3067\u304d\u307e\u3059\u3002<\/p>\n
let controller;\r\n  const input = document.getElementById(\"searchInput\");\r\n  input.addEventListener(\"input\", () => {\r\n    const query = input.value; \/\/ \u524d\u56de\u306e\u901a\u4fe1\u3092\u30ad\u30e3\u30f3\u30bb\u30eb\r\n    if (controller) {\r\n      controller.abort();\r\n    }\r\n    controller = new AbortController();\r\n    const signal = controller.signal;\r\n    fetch(`https:\/\/api.example.com\/search?q=${query}`, { signal })\r\n      .then((res) => res.json())\r\n      .then((data) => {\r\n        console.log(\"\u7d50\u679c:\", data);\r\n      })\r\n      .catch((err) => {\r\n        if (err.name === \"AbortError\") {\r\n          console.log(\"\u30ad\u30e3\u30f3\u30bb\u30eb\u3055\u308c\u307e\u3057\u305f\");\r\n        } else {\r\n          console.error(err);\r\n        }\r\n      });\r\n  });<\/code><\/pre>\n
\u3053\u3046\u3059\u308b\u3053\u3068\u3067\u3001\u6700\u65b0\u306e\u5165\u529b\u4ee5\u5916\u306e\u30ea\u30af\u30a8\u30b9\u30c8\u306f\u3059\u3079\u3066\u30ad\u30e3\u30f3\u30bb\u30eb\u3055\u308c\u308b\u305f\u3081\u3001UI\u306e\u4e0d\u6574\u5408\u304c\u8d77\u3053\u308a\u307e\u305b\u3093\u3002<\/p>\n
\n
\u88dc\u8db3\uff1asetTimeout\u3067\u7c21\u6613\u30bf\u30a4\u30e0\u30a2\u30a6\u30c8\u306b\u3082\u5fdc\u7528\u53ef<\/span><\/h2>\nAbortController <\/span>\u3092\u4f7f\u3048\u3070\u3001Fetch<\/span>\u306b\u30bf\u30a4\u30e0\u30a2\u30a6\u30c8\u51e6\u7406\u3092\u8ffd\u52a0\u3059\u308b\u3053\u3068\u3082\u53ef\u80fd\u3067\u3059\u3002<\/p>\n
const controller = new AbortController();\r\n  const signal = controller.signal;\r\n  const timeoutId = setTimeout(() => {\r\n    controller.abort();\r\n  }, 5000); \/\/ 5\u79d2\u3067\u30bf\u30a4\u30e0\u30a2\u30a6\u30c8\r\n  fetch(\"https:\/\/example.com\/api\", { signal })\r\n    .then((res) => res.json())\r\n    .then((data) => {\r\n      clearTimeout(timeoutId);\r\n      console.log(data);\r\n    })\r\n    .catch((err) => {\r\n      if (err.name === \"AbortError\") {\r\n        console.warn(\"\u901a\u4fe1\u304c\u30bf\u30a4\u30e0\u30a2\u30a6\u30c8\u3057\u307e\u3057\u305f\");\r\n      } else {\r\n        console.error(err);\r\n      }\r\n    });<\/code><\/pre>\n
\u3053\u306e\u3088\u3046\u306b\u3001\u30e9\u30a4\u30d6\u30e9\u30ea\u306a\u3057\u3067\u3082\u5b9f\u7528\u7684\u306a\u30bf\u30a4\u30e0\u30a2\u30a6\u30c8\u5236\u5fa1\u304c\u3067\u304d\u308b\u306e\u3082\u5927\u304d\u306a\u9b45\u529b\u3067\u3059\u3002<\/p>\n
\n
\u307e\u3068\u3081<\/span><\/h2>\nAbortController <\/span>\u3092\u4f7f\u3046\u3053\u3068\u3067\u3001Fetch\u901a\u4fe1\u306e\u30ad\u30e3\u30f3\u30bb\u30eb\u51e6\u7406\u304c\u3068\u3066\u3082\u30b9\u30de\u30fc\u30c8\u306b\u5b9f\u88c5\u3067\u304d\u307e\u3059\uff01<\/p>\n
\n