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| // function isTokenExist() { | |
| // return new Promise((resolve, reject) => { | |
| // if (Math.random() >= 0.5) { | |
| // return resolve({"token": 4321}) | |
| // } | |
| // reject("not exist") | |
| // }) | |
| // } | |
| // | |
| // | |
| // | |
| // getToken().then(token => { | |
| // console.log(token) | |
| // }); | |
| function getToken() { | |
| } | |
| function reg(url, params) { | |
| return new Promise((resolve, reject) => { | |
| let promise = fetch(url); | |
| return promise.then(r => { | |
| return r.json() | |
| }) | |
| .then(data => resolve(data)) | |
| .catch(err => { | |
| if (403 === parseInt(err.status, 10)) { | |
| return getToken() | |
| .then(token => reg(url, params).then(data => resolve(data))) | |
| .catch(err => reject(err)) | |
| } else if (423 === parseInt(err.status, 10)) { | |
| return generateToken() | |
| .then(token => reg(url, params).then(data => resolve(data))) | |
| .catch(err => reject(err)) | |
| } | |
| }); | |
| }) | |
| } | |
| reg('https://randomuser.me/api/').then(data => console.log(data)); |
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