deferred

test-map-es5.js

var deferred = require('deferred');
var assert = require('assert');

describe('deferred', function () {
    it('map', function (done) {
        var def1 = deferred();
        var def2 = deferred();

        setTimeout(function () {
            def1.resolve(1);
        }, 500);
        setTimeout(function () {
            def2.resolve(2);
        }, 700);

        deferred.map(
            [def1, def2],
            deferred.gate(function (def) {
              return def.promise;
            })
        )(function (result) {
            assert.deepStrictEqual(result, [1, 2]);
            done();
        });
    });
});