wallet-core/node_modules/async/reflectAll.js

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2016-10-10 03:43:44 +02:00
'use strict';
Object.defineProperty(exports, "__esModule", {
value: true
});
exports.default = reflectAll;
var _reflect = require('./reflect');
var _reflect2 = _interopRequireDefault(_reflect);
var _isArray = require('lodash/isArray');
var _isArray2 = _interopRequireDefault(_isArray);
var _arrayMap2 = require('lodash/_arrayMap');
var _arrayMap3 = _interopRequireDefault(_arrayMap2);
var _baseForOwn = require('lodash/_baseForOwn');
var _baseForOwn2 = _interopRequireDefault(_baseForOwn);
function _interopRequireDefault(obj) { return obj && obj.__esModule ? obj : { default: obj }; }
/**
* A helper function that wraps an array or an object of functions with reflect.
*
* @name reflectAll
* @static
* @memberOf module:Utils
* @method
* @see [async.reflect]{@link module:Utils.reflect}
* @category Util
* @param {Array} tasks - The array of functions to wrap in `async.reflect`.
* @returns {Array} Returns an array of functions, each function wrapped in
* `async.reflect`
* @example
*
* let tasks = [
* function(callback) {
* setTimeout(function() {
* callback(null, 'one');
* }, 200);
* },
* function(callback) {
* // do some more stuff but error ...
* callback(new Error('bad stuff happened'));
* },
* function(callback) {
* setTimeout(function() {
* callback(null, 'two');
* }, 100);
* }
* ];
*
* async.parallel(async.reflectAll(tasks),
* // optional callback
* function(err, results) {
* // values
* // results[0].value = 'one'
* // results[1].error = Error('bad stuff happened')
* // results[2].value = 'two'
* });
*
* // an example using an object instead of an array
* let tasks = {
* one: function(callback) {
* setTimeout(function() {
* callback(null, 'one');
* }, 200);
* },
* two: function(callback) {
* callback('two');
* },
* three: function(callback) {
* setTimeout(function() {
* callback(null, 'three');
* }, 100);
* }
* };
*
* async.parallel(async.reflectAll(tasks),
* // optional callback
* function(err, results) {
* // values
* // results.one.value = 'one'
* // results.two.error = 'two'
* // results.three.value = 'three'
* });
*/
function reflectAll(tasks) {
var results;
if ((0, _isArray2.default)(tasks)) {
results = (0, _arrayMap3.default)(tasks, _reflect2.default);
} else {
results = {};
(0, _baseForOwn2.default)(tasks, function (task, key) {
results[key] = _reflect2.default.call(this, task);
});
}
return results;
}
module.exports = exports['default'];