3 Object.defineProperty(exports, "__esModule", {
6 exports.default = reflect;
8 var _initialParams = require('./internal/initialParams');
10 var _initialParams2 = _interopRequireDefault(_initialParams);
12 var _rest = require('./internal/rest');
14 var _rest2 = _interopRequireDefault(_rest);
16 function _interopRequireDefault(obj) { return obj && obj.__esModule ? obj : { default: obj }; }
19 * Wraps the function in another function that always returns data even when it
22 * The object returned has either the property `error` or `value`.
26 * @memberOf module:Utils
29 * @param {Function} fn - The function you want to wrap
30 * @returns {Function} - A function that always passes null to it's callback as
31 * the error. The second argument to the callback will be an `object` with
32 * either an `error` or a `value` property.
36 * async.reflect(function(callback) {
37 * // do some stuff ...
38 * callback(null, 'one');
40 * async.reflect(function(callback) {
41 * // do some more stuff but error ...
42 * callback('bad stuff happened');
44 * async.reflect(function(callback) {
45 * // do some more stuff ...
46 * callback(null, 'two');
49 * // optional callback
50 * function(err, results) {
52 * // results[0].value = 'one'
53 * // results[1].error = 'bad stuff happened'
54 * // results[2].value = 'two'
57 function reflect(fn) {
58 return (0, _initialParams2.default)(function reflectOn(args, reflectCallback) {
59 args.push((0, _rest2.default)(function callback(err, cbArgs) {
61 reflectCallback(null, {
66 if (cbArgs.length === 1) {
68 } else if (cbArgs.length > 1) {
71 reflectCallback(null, {
77 return fn.apply(this, args);
80 module.exports = exports['default'];