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davidbarral/callbackify.js

Created January 20, 2018 16:12
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Callbackify: node callbackify
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callbackify.js
const { callbackify } = require("util");
const evenSuccess = n => n % 2 ? Promise.reject("odd") : Promise.resolve("even");
callbackify(evenSuccess)(1, console.log); // "odd"
callbackify(evenSuccess)(2, console.log); // undefined "even"
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