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							61 lines
						
					
					
						
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							61 lines
						
					
					
						
							2.0 KiB
						
					
					
				'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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exports.default = mapValuesLimit; | 
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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 _noop = require('lodash/noop'); | 
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 | 
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var _noop2 = _interopRequireDefault(_noop); | 
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 | 
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var _once = require('./internal/once'); | 
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 | 
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var _once2 = _interopRequireDefault(_once); | 
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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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 | 
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function _interopRequireDefault(obj) { return obj && obj.__esModule ? obj : { default: obj }; } | 
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 | 
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/** | 
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 * The same as [`mapValues`]{@link module:Collections.mapValues} but runs a maximum of `limit` async operations at a | 
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 * time. | 
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 * | 
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 * @name mapValuesLimit | 
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 * @static | 
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 * @memberOf module:Collections | 
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 * @method | 
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 * @see [async.mapValues]{@link module:Collections.mapValues} | 
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 * @category Collection | 
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 * @param {Object} obj - A collection to iterate over. | 
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 * @param {number} limit - The maximum number of async operations at a time. | 
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 * @param {AsyncFunction} iteratee - A function to apply to each value and key | 
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 * in `coll`. | 
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 * The iteratee should complete with the transformed value as its result. | 
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 * Invoked with (value, key, callback). | 
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 * @param {Function} [callback] - A callback which is called when all `iteratee` | 
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 * functions have finished, or an error occurs. `result` is a new object consisting | 
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 * of each key from `obj`, with each transformed value on the right-hand side. | 
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 * Invoked with (err, result). | 
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 */ | 
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function mapValuesLimit(obj, limit, iteratee, callback) { | 
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    callback = (0, _once2.default)(callback || _noop2.default); | 
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    var newObj = {}; | 
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    var _iteratee = (0, _wrapAsync2.default)(iteratee); | 
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    (0, _eachOfLimit2.default)(obj, limit, function (val, key, next) { | 
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        _iteratee(val, key, function (err, result) { | 
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            if (err) return next(err); | 
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            newObj[key] = result; | 
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            next(); | 
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        }); | 
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    }, function (err) { | 
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        callback(err, newObj); | 
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    }); | 
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} | 
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module.exports = exports['default']; |