Current File : //proc/self/root/usr/lib/node_modules/pm2/node_modules/async/mapValuesLimit.js
'use strict';
Object.defineProperty(exports, "__esModule", {
value: true
});
var _eachOfLimit = require('./internal/eachOfLimit.js');
var _eachOfLimit2 = _interopRequireDefault(_eachOfLimit);
var _awaitify = require('./internal/awaitify.js');
var _awaitify2 = _interopRequireDefault(_awaitify);
var _once = require('./internal/once.js');
var _once2 = _interopRequireDefault(_once);
var _wrapAsync = require('./internal/wrapAsync.js');
var _wrapAsync2 = _interopRequireDefault(_wrapAsync);
function _interopRequireDefault(obj) { return obj && obj.__esModule ? obj : { default: obj }; }
/**
* The same as [`mapValues`]{@link module:Collections.mapValues} but runs a maximum of `limit` async operations at a
* time.
*
* @name mapValuesLimit
* @static
* @memberOf module:Collections
* @method
* @see [async.mapValues]{@link module:Collections.mapValues}
* @category Collection
* @param {Object} obj - A collection to iterate over.
* @param {number} limit - The maximum number of async operations at a time.
* @param {AsyncFunction} iteratee - A function to apply to each value and key
* in `coll`.
* The iteratee should complete with the transformed value as its result.
* Invoked with (value, key, callback).
* @param {Function} [callback] - A callback which is called when all `iteratee`
* functions have finished, or an error occurs. `result` is a new object consisting
* of each key from `obj`, with each transformed value on the right-hand side.
* Invoked with (err, result).
* @returns {Promise} a promise, if no callback is passed
*/
function mapValuesLimit(obj, limit, iteratee, callback) {
callback = (0, _once2.default)(callback);
var newObj = {};
var _iteratee = (0, _wrapAsync2.default)(iteratee);
return (0, _eachOfLimit2.default)(limit)(obj, (val, key, next) => {
_iteratee(val, key, (err, result) => {
if (err) return next(err);
newObj[key] = result;
next(err);
});
}, err => callback(err, newObj));
}
exports.default = (0, _awaitify2.default)(mapValuesLimit, 4);
module.exports = exports['default'];
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