Created
May 23, 2018 22:05
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An study of promises and modification to Promise.all to not stop execution until actually ALL promises as resolved
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const reflect = promise => | |
promise.then( | |
solved => ({value: solved, status: "Resolved"}), | |
rejected => ({value: rejected, status: "Rejected"}) | |
); | |
let promises = [ | |
new Promise((resolve, reject) => setTimeout(() => { console.log("finish",1), resolve(1)}, 400)), | |
new Promise((resolve, reject) => setTimeout(() => { console.log("finish",2), resolve(2)}, 394)), | |
new Promise((resolve, reject) => setTimeout(() => { console.log("finish",3), reject(3)}, 404)), | |
new Promise((resolve, reject) => setTimeout(() => { console.log("finish",4), resolve(4)}, 500)), | |
new Promise((resolve, reject) => setTimeout(() => { console.log("finish",5), reject(5)}, 200)), | |
new Promise((resolve, reject) => setTimeout(() => { console.log("finish",6), resolve(6)}, 150)) | |
]; | |
Promise.all(promises.map(reflect)) | |
.then(results => { | |
let res = results.map(result => [result.value, result.status]); | |
console.log("FINISH all promises", res ); | |
return res; | |
}); |
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