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29 lines
542 B
JavaScript
29 lines
542 B
JavaScript
"use strict";
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const Promise = require("bluebird");
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const notifiedPromise = require("./notified-promise");
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// FIXME: Move into separate package
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module.exports = function createNotifiedWhen() {
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let notifier = notifiedPromise();
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function when(condition, callback) {
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if (condition()) {
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return callback();
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} else {
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return Promise.try(() => {
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return notifier.wait();
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}).then(() => {
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return when(condition, callback);
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});
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}
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}
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when.notify = function notifyWhen() {
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return notifier.notify();
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};
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return when;
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};
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