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Code retry with promises
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// Author: Renat Tuktarov ([email protected]) | |
const retry = function(fn, prev) { | |
return new Promise((current, reject) => { | |
const resolve = _ => (prev && prev()) || current(); | |
fn(resolve, delay => { | |
setTimeout(_ => { | |
retry(fn, resolve); | |
}, delay); | |
}); | |
}); | |
}; | |
function run() { | |
let attempt = 1; | |
retry((done, retry) => { | |
if (attempt !== 3) { | |
attempt += 1; | |
retry(1000); | |
} else { | |
done(); | |
} | |
}); | |
} | |
run(); |
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awesome!