{"id":695,"date":"2021-10-16T03:17:26","date_gmt":"2021-10-15T18:17:26","guid":{"rendered":"https:\/\/osora.work\/blog\/?p=695"},"modified":"2021-10-16T03:17:26","modified_gmt":"2021-10-15T18:17:26","slug":"%e9%9d%9e%e5%90%8c%e6%9c%9f%e5%87%a6%e7%90%86%e3%81%aepromise%e3%81%a7for%e6%96%87%e3%82%92%e8%a4%87%e6%95%b0%e5%9b%9e%e3%81%99","status":"publish","type":"post","link":"https:\/\/osora.ne0n.xyz\/blog\/695","title":{"rendered":"\u975e\u540c\u671f\u51e6\u7406\u306ePromise\u3067for\u6587\u3092\u8907\u6570\u56de\u3059"},"content":{"rendered":"\n

\u3068\u3044\u3046\u5c11\u3005\u5384\u4ecb\u306a\u5834\u9762\u306b\u906d\u9047\u3057\u305f\u306e\u3067\u8a18\u4e8b\u3092\u66f8\u3044\u3066\u304a\u304f\u3002<\/p>\n\n\n\n

\u3081\u3061\u3083\u304f\u3061\u3083\u30cf\u30de\u3063\u305f\u7d4c\u7def<\/h4>\n\n\n\n

vue.js\u3067firestore\u304b\u3089\u30c7\u30fc\u30bf\u3092\u53d6\u3063\u3066\u304f\u308b\u969b\u306bdata\u5c5e\u6027\u3078\u306e\u53cd\u6620\u304c\u9045\u304f\u3001\u6700\u521d\u306b\u958b\u3044\u305f\u3068\u304d\u306b\u8868\u793a\u3055\u308c\u306a\u3044\u3068\u3044\u3046\u3053\u3068\u30674\u65e5\u9593\u304f\u3089\u3044\u30cf\u30de\u308a\u307e\u3057\u305f\u3002
\u30b3\u30f3\u30dd\u30fc\u30cd\u30f3\u30c8\u306e\u8aad\u307f\u8fbc\u307f\u3092\u9045\u5ef6\u3055\u305b\u305f\u308a\u3001\u30c7\u30fc\u30bf\u3092\u53d6\u3063\u3066\u304f\u308b\u5834\u6240\u3092\u5909\u3048\u305f\u308a\u3001wach\u3084computed\u3067\u76e3\u8996\u3057\u3066\u307f\u305f\u308a\u8272\u3005\u3057\u307e\u3057\u305f\u304c\u5168\u6ec5\u3002
\u305d\u306e\u9803\u306bLINE\u3067\u300c\u30c7\u30fc\u30bf\u3092\u53d6\u3063\u3066\u304f\u308b\u306e\u304c\u9593\u306b\u5408\u3063\u3066\u306a\u3044\u306e\u3067\u306f\u300d\u3068\u6307\u6458\u3055\u308c\u3066\u6539\u3081\u3066\u30b3\u30f3\u30bd\u30fc\u30eb\u3067\u53d6\u5f97\u9806\u3092\u8868\u793a\u3059\u308b\u3068\u3001\u305f\u3057\u304b\u306b\u9593\u306b\u5408\u3063\u3066\u306a\u3044(\u5f53\u305f\u308a\u524d\u4f53\u64cd)\u3002\u3000
\u300cpromise.all<\/strong>\u3068\u304b\u4f7f\u3044\u306a\u3088\u300d\u3068\u3042\u308a\u304c\u305f\u3044\u6559\u793a\u3092\u3044\u305f\u3060\u304d\u3001\u79c1\u306f\u89e3\u6c7a\u3078\u306e\u7cf8\u53e3\u3092\u63b4\u3080\u2500\u2500\u2500\u2500\u2500\u2500\u2500<\/p>\n\n\n\n

<\/p>\n\n\n\n

\u53c2\u8003\u8a18\u4e8b<\/h2>\n\n\n\n

Promise\u3068then\u306e\u30e1\u30bd\u30c3\u30c9\u30c1\u30a7\u30fc\u30f3\uff08\u76f4\u5217\u30fb\u4e26\u5217\u30fb\u5024\u306e\u53d7\u3051\u53d6\u308a\u30fb\u5f15\u6570\uff09<\/a> – Qiita
\u8907\u6570\u306e\u5024\u306e\u53d7\u3051\u53d6\u308a\u65b9\u6cd5\u3092\u77e5\u3089\u306a\u304f\u3066\u307e\u305f\u30cf\u30de\u308a\u304b\u3051\u305f\u306e\u3067\u6ce8\u610f\u3002<\/p>\n\n\n\n

Promise\u306e\u76f4\u5217\u51e6\u7406\u3092\u30eb\u30fc\u30d7\u3059\u308b\uff08\u5b8c\u4e86\u5f8c\u306b\u5b9f\u884c\u3057\u305f\u3044\u51e6\u7406\u3082\u3042\u308b\uff09<\/a> – Qiita
\u6700\u7d42\u7684\u306b\u30b3\u30fc\u30c9\u306f\u3060\u3044\u3076\u9055\u3046\u5f62\u3067\u6d3b\u7528\u3057\u307e\u3057\u305f\u3002<\/p>\n\n\n\n

<\/p>\n\n\n\n

Promise\u3063\u3066\u306a\u3093\u305e\u3084\u7de8<\/h5>\n\n\n\n

setTimeout\u306f\u30c0\u30b5\u3044\u305e\u3002JavaScript Promise\u3092\u4f7f\u3063\u3066\u51e6\u7406\u3092\u9806\u756a\u306b\u5b9f\u884c\u3057\u3088\u3046<\/a> – \u682a\u5f0f\u4f1a\u793eLIG
\u591a\u5206\u3053\u308c\u304c\u4e00\u756a\u308f\u304b\u308a\u3084\u3059\u3044<\/p>\n\n\n\n

JavaScript\u306ePromise<\/a> – Qiita
promise\u306f\u3044\u308d\u3093\u306a\u3053\u3068\u306b\u4f7f\u3048\u308b\u3089\u3057\u3044<\/p>\n\n\n\n

Promise.all()<\/a> – MDN
\u304a\u99b4\u67d3\u307f\u306eMDN<\/p>\n\n\n\n

<\/p>\n\n\n\n

\u4eca\u56de\u66f8\u3044\u305f\u30b3\u30fc\u30c9<\/h2>\n\n\n\n

vue.js\u306e\u5b50\u30b3\u30f3\u30dd\u30fc\u30cd\u30f3\u30c8\u5185\u306b\u8a18\u8ff0\u3057\u307e\u3057\u305f\u3002
(HOME\u306b\u8868\u793a\u3059\u308b\u60c5\u5831\u306e\u4e00\u90e8\u3067\u3059)<\/p>\n\n\n\n

import store from ".\/..\/..\/stores";\/\/vuex\u306e\u8aad\u307f\u8fbc\u307f\nimport { doc, getDoc, collection, getFirestore } from "firebase\/firestore";\nconst db = getFirestore();\/\/firestore\u306b\u63a5\u7d9a\n\nexport default {\n  data() {\n    return {\n      rooms: "",\/\/\u3053\u3053\u306b\u30c7\u30fc\u30bf\u3092\u5165\u308c\u305f\u3044\n    };\n  },\n  created() {\n    let uid = store.getters.user.uid;\/\/\u30e6\u30fc\u30b6\u30fcID\n    console.log("getrooms");\n    let rooms_sub = [];\/\/\u3068\u308a\u3042\u3048\u305a\u3053\u308c\u306b\u30c7\u30fc\u30bf\u3092\u5165\u308c\u308b\n    let myPromise1 = Promise.resolve();\n    let myPromise2 = Promise.resolve();\n    let getroomID = new Promise((resolve, reject) => {\n      getDoc(doc(db, "users", uid)).then((docRef) => {\n        resolve(docRef.data().rooms);\/\/\u6301\u3063\u3066\u308b\u90e8\u5c4b\u306e\u4e00\u89a7\u3092\u53d6\u5f97\n      });\n    });\n    getroomID.then((roomId) => {\n      for (var i = 0; i < roomId.length; i++) {\n        myPromise1 = myPromise1.then(getrooms.bind(this, i, roomId));\n      }\/\/\u90e8\u5c4b\u306e\u6570\u3060\u3051\u90e8\u5c4b\u60c5\u5831\u3092\u53d6\u5f97\n      myPromise1.then((value) => {\n        let i = value[0];\n        let rooms_sub = value[1];\n        let members_sub = value[2];\n        for (var j = 0; j < members_sub.length; j++) {\n          myPromise2 = myPromise2.then(\n            getmembers.bind(this, i, j, rooms_sub, members_sub)\n          );\n        }\/\/\u90e8\u5c4b\u3054\u3068\u306e\u30e1\u30f3\u30d0\u30fc\u60c5\u5831\u3092\u53d6\u5f97\n        myPromise2.then((rooms_sub) => {\n          store.commit("setRooms", rooms_sub);\/\/vuex\u306b\u30bb\u30c3\u30c8\n          console.log(rooms_sub);\n          this.rooms = rooms_sub;\/\/data\u306b\u4ee3\u5165\n        });\n      });\n    });\n\n    function getrooms(i, roomId) {\/\/\u90e8\u5c4b\u60c5\u5831\u3092\u3068\u3063\u3066\u304f\u308b\n      return new Promise(function (resolve, reject) {\n        let docRef = doc(db, "rooms", roomId[i]);\n        getDoc(docRef).then((docRef) => {\n          rooms_sub[i] = {\n            id: roomId[i],\n            icon: docRef.data().icon,\n            name: docRef.data().roomname,\n            post: docRef.data().post,\n            member: docRef.data().users.length,\n            update: docRef.data().update,\n            members: [],\n          };\n          resolve([i, rooms_sub, docRef.data().users]);\n          console.log(i, roomId);\n        });\n      });\n    }\n    function getmembers(i, j, rooms_sub, members_sub) {\/\/\u90e8\u5c4b\u306e\u30e1\u30f3\u30d0\u30fc\u60c5\u5831\u3092\u3068\u3063\u3066\u304f\u308b\n      return new Promise(function (resolve, reject) {\n        let docRef2 = doc(db, "users", members_sub[j]);\n        getDoc(docRef2).then((docRef) => {\n          rooms_sub[i].members.push({\n            id: members_sub[j],\n            name: docRef.data().name,\n            icon: "",\n          });\n          resolve(rooms_sub);\n        });\n      });\n    }\n  },\n};\n<\/script><\/code><\/pre><\/div>\n\n\n\n
<\/p>\n","protected":false},"excerpt":{"rendered":"
\u3068\u3044\u3046\u5c11\u3005\u5384\u4ecb\u306a\u5834\u9762\u306b\u906d\u9047\u3057\u305f\u306e\u3067\u8a18\u4e8b\u3092\u66f8\u3044\u3066\u304a\u304f\u3002 \u3081\u3061\u3083\u304f\u3061\u3083\u30cf\u30de\u3063\u305f\u7d4c\u7def vue.js\u3067firestore\u304b\u3089\u30c7\u30fc\u30bf\u3092\u53d6\u3063\u3066\u304f\u308b\u969b\u306bdata\u5c5e\u6027\u3078\u306e\u53cd\u6620\u304c\u9045\u304f\u3001\u6700\u521d\u306b\u958b\u3044\u305f\u3068\u304d\u306b\u8868\u793a\u3055\u308c\u306a\u3044\u3068\u3044\u3046\u3053\u3068\u30674\u65e5\u9593\u304f\u3089\u3044 … <\/p>\n","protected":false},"author":1,"featured_media":0,"comment_status":"open","ping_status":"open","sticky":false,"template":"","format":"standard","meta":[],"categories":[19,14],"tags":[],"_links":{"self":[{"href":"https:\/\/osora.ne0n.xyz\/blog\/wp-json\/wp\/v2\/posts\/695"}],"collection":[{"href":"https:\/\/osora.ne0n.xyz\/blog\/wp-json\/wp\/v2\/posts"}],"about":[{"href":"https:\/\/osora.ne0n.xyz\/blog\/wp-json\/wp\/v2\/types\/post"}],"author":[{"embeddable":true,"href":"https:\/\/osora.ne0n.xyz\/blog\/wp-json\/wp\/v2\/users\/1"}],"replies":[{"embeddable":true,"href":"https:\/\/osora.ne0n.xyz\/blog\/wp-json\/wp\/v2\/comments?post=695"}],"version-history":[{"count":1,"href":"https:\/\/osora.ne0n.xyz\/blog\/wp-json\/wp\/v2\/posts\/695\/revisions"}],"predecessor-version":[{"id":696,"href":"https:\/\/osora.ne0n.xyz\/blog\/wp-json\/wp\/v2\/posts\/695\/revisions\/696"}],"wp:attachment":[{"href":"https:\/\/osora.ne0n.xyz\/blog\/wp-json\/wp\/v2\/media?parent=695"}],"wp:term":[{"taxonomy":"category","embeddable":true,"href":"https:\/\/osora.ne0n.xyz\/blog\/wp-json\/wp\/v2\/categories?post=695"},{"taxonomy":"post_tag","embeddable":true,"href":"https:\/\/osora.ne0n.xyz\/blog\/wp-json\/wp\/v2\/tags?post=695"}],"curies":[{"name":"wp","href":"https:\/\/api.w.org\/{rel}","templated":true}]}}