intern/lib/Deferred.js

(function (factory) {
    if (typeof module === "object" && typeof module.exports === "object") {
        var v = factory(require, exports);
        if (v !== undefined) module.exports = v;
    }
    else if (typeof define === "function" && define.amd) {
        define(["require", "exports"], factory);
    }
})(function (require, exports) {
    "use strict";
    Object.defineProperty(exports, "__esModule", { value: true });
    var Deferred = (function () {
        function Deferred() {
            var _this = this;
            this.promise = new Promise(function (resolve, reject) {
                _this._resolver = resolve;
                _this._rejector = reject;
            });
            this.promise.then(function () { return _this._finalize; }, function () { return _this._finalize; });
        }
        Deferred.prototype.callback = function (callback) {
            var dfd = this;
            return this.rejectOnError(function () {
                var args = [];
                for (var _i = 0; _i < arguments.length; _i++) {
                    args[_i] = arguments[_i];
                }
                var returnValue = callback.apply(this, args);
                dfd.resolve();
                return returnValue;
            });
        };
        Deferred.prototype.rejectOnError = function (callback) {
            var dfd = this;
            return function () {
                var args = [];
                for (var _i = 0; _i < arguments.length; _i++) {
                    args[_i] = arguments[_i];
                }
                try {
                    return callback.apply(this, args);
                }
                catch (error) {
                    dfd.reject(error);
                }
            };
        };
        Deferred.prototype.resolve = function (value) {
            this._resolver(value);
        };
        Deferred.prototype.reject = function (error) {
            this._rejector(error);
        };
        Deferred.prototype._finalize = function () {
            this._resolver = function () { };
            this._rejector = function () { };
        };
        return Deferred;
    }());
    exports.default = Deferred;
});
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