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'use strict'; |
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|
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Object.defineProperty(exports, "__esModule", { |
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value: true |
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}); |
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|
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exports.default = function (coll, iteratee, callback) { |
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var eachOfImplementation = (0, _isArrayLike2.default)(coll) ? eachOfArrayLike : eachOfGeneric; |
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eachOfImplementation(coll, (0, _wrapAsync2.default)(iteratee), callback); |
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}; |
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var _isArrayLike = require('lodash/isArrayLike'); |
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|
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var _isArrayLike2 = _interopRequireDefault(_isArrayLike); |
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var _breakLoop = require('./internal/breakLoop'); |
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|
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var _breakLoop2 = _interopRequireDefault(_breakLoop); |
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|
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var _eachOfLimit = require('./eachOfLimit'); |
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|
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var _eachOfLimit2 = _interopRequireDefault(_eachOfLimit); |
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|
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var _doLimit = require('./internal/doLimit'); |
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|
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var _doLimit2 = _interopRequireDefault(_doLimit); |
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var _noop = require('lodash/noop'); |
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var _noop2 = _interopRequireDefault(_noop); |
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var _once = require('./internal/once'); |
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var _once2 = _interopRequireDefault(_once); |
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var _onlyOnce = require('./internal/onlyOnce'); |
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|
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var _onlyOnce2 = _interopRequireDefault(_onlyOnce); |
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|
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var _wrapAsync = require('./internal/wrapAsync'); |
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|
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var _wrapAsync2 = _interopRequireDefault(_wrapAsync); |
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function _interopRequireDefault(obj) { return obj && obj.__esModule ? obj : { default: obj }; } |
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|
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// eachOf implementation optimized for array-likes |
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function eachOfArrayLike(coll, iteratee, callback) { |
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callback = (0, _once2.default)(callback || _noop2.default); |
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var index = 0, |
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completed = 0, |
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length = coll.length; |
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if (length === 0) { |
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callback(null); |
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} |
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|
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function iteratorCallback(err, value) { |
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if (err) { |
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callback(err); |
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} else if (++completed === length || value === _breakLoop2.default) { |
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callback(null); |
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} |
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} |
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|
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for (; index < length; index++) { |
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iteratee(coll[index], index, (0, _onlyOnce2.default)(iteratorCallback)); |
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} |
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} |
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|
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// a generic version of eachOf which can handle array, object, and iterator cases. |
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var eachOfGeneric = (0, _doLimit2.default)(_eachOfLimit2.default, Infinity); |
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|
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/** |
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* Like [`each`]{@link module:Collections.each}, except that it passes the key (or index) as the second argument |
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* to the iteratee. |
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* |
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* @name eachOf |
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* @static |
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* @memberOf module:Collections |
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* @method |
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* @alias forEachOf |
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* @category Collection |
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* @see [async.each]{@link module:Collections.each} |
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* @param {Array|Iterable|Object} coll - A collection to iterate over. |
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* @param {AsyncFunction} iteratee - A function to apply to each |
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* item in `coll`. |
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* The `key` is the item's key, or index in the case of an array. |
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* Invoked with (item, key, callback). |
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* @param {Function} [callback] - A callback which is called when all |
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* `iteratee` functions have finished, or an error occurs. Invoked with (err). |
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* @example |
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* |
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* var obj = {dev: "/dev.json", test: "/test.json", prod: "/prod.json"}; |
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* var configs = {}; |
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* |
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* async.forEachOf(obj, function (value, key, callback) { |
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* fs.readFile(__dirname + value, "utf8", function (err, data) { |
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* if (err) return callback(err); |
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* try { |
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* configs[key] = JSON.parse(data); |
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* } catch (e) { |
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* return callback(e); |
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* } |
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* callback(); |
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* }); |
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* }, function (err) { |
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* if (err) console.error(err.message); |
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* // configs is now a map of JSON data |
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* doSomethingWith(configs); |
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* }); |
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*/ |
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module.exports = exports['default']; |
