Created
June 27, 2017 20:42
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Node 8 - Promises recursion
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var myPromise = (i) => { | |
let time = Math.floor(Math.random() * 5000) + 5000; | |
console.log(`new promise ${i} for ${time}ms`) | |
return new Promise((resolve, reject) => { | |
let random = Math.floor(Math.random() * 2); | |
setTimeout(() => { | |
if (random == 1) | |
resolve(`Yeah ${i}!`) | |
else | |
reject(new Error(`Whoa ${i}!`)) | |
}, time); | |
}) | |
.then((ok) => { | |
console.info(ok); | |
return myPromise(i + 1); | |
}) | |
.catch((err) => { | |
console.error(err.message); | |
return myPromise(i + 1); | |
}); | |
} | |
p = myPromise(1); | |
setInterval(() => console.log('-- state:', p), 500); |
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