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93 lines
2.4 KiB
JavaScript
93 lines
2.4 KiB
JavaScript
'use strict';
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Object.defineProperty(exports, "__esModule", {
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value: true
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});
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exports.default = reflectAll;
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var _reflect = require('./reflect');
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var _reflect2 = _interopRequireDefault(_reflect);
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function _interopRequireDefault(obj) { return obj && obj.__esModule ? obj : { default: obj }; }
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/**
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* A helper function that wraps an array or an object of functions with `reflect`.
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*
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* @name reflectAll
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* @static
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* @memberOf module:Utils
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* @method
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* @see [async.reflect]{@link module:Utils.reflect}
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* @category Util
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* @param {Array|Object|Iterable} tasks - The collection of
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* [async functions]{@link AsyncFunction} to wrap in `async.reflect`.
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* @returns {Array} Returns an array of async functions, each wrapped in
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* `async.reflect`
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* @example
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*
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* let tasks = [
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* function(callback) {
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* setTimeout(function() {
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* callback(null, 'one');
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* }, 200);
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* },
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* function(callback) {
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* // do some more stuff but error ...
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* callback(new Error('bad stuff happened'));
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* },
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* function(callback) {
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* setTimeout(function() {
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* callback(null, 'two');
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* }, 100);
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* }
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* ];
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*
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* async.parallel(async.reflectAll(tasks),
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* // optional callback
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* function(err, results) {
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* // values
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* // results[0].value = 'one'
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* // results[1].error = Error('bad stuff happened')
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* // results[2].value = 'two'
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* });
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*
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* // an example using an object instead of an array
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* let tasks = {
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* one: function(callback) {
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* setTimeout(function() {
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* callback(null, 'one');
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* }, 200);
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* },
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* two: function(callback) {
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* callback('two');
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* },
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* three: function(callback) {
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* setTimeout(function() {
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* callback(null, 'three');
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* }, 100);
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* }
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* };
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*
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* async.parallel(async.reflectAll(tasks),
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* // optional callback
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* function(err, results) {
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* // values
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* // results.one.value = 'one'
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* // results.two.error = 'two'
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* // results.three.value = 'three'
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* });
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*/
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function reflectAll(tasks) {
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var results;
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if (Array.isArray(tasks)) {
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results = tasks.map(_reflect2.default);
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} else {
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results = {};
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Object.keys(tasks).forEach(key => {
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results[key] = _reflect2.default.call(this, tasks[key]);
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});
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}
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return results;
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}
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module.exports = exports['default']; |