GT2/GT2-iOS/node_modules/react-native/local-cli/link/promiseWaterfall.js

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2018-02-12 17:26:06 +00:00
/**
* Given an array of promise creators, executes them in a sequence.
*
* If any of the promises in the chain fails, all subsequent promises
* will be skipped
*
* Returns the value last promise from a sequence resolved
*/
module.exports = function promiseWaterfall(tasks) {
return tasks.reduce(
(prevTaskPromise, task) => prevTaskPromise.then(task),
Promise.resolve()
);
};