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22 lines
366 B
JavaScript

"use strict";
const Promise = require("bluebird");
module.exports = function asyncWhile(predicate, body) {
function doTick() {
return Promise.try(() => {
return predicate();
}).then((shouldRun) => {
if (shouldRun) {
return Promise.try(() => {
return body();
}).then(() => {
return doTick();
});
}
});
}
return doTick();
};