| 'use strict'; |
| |
| Object.defineProperty(exports, "__esModule", { |
| value: true |
| }); |
| |
| var _eachOfLimit = require('./internal/eachOfLimit'); |
| |
| var _eachOfLimit2 = _interopRequireDefault(_eachOfLimit); |
| |
| var _awaitify = require('./internal/awaitify'); |
| |
| var _awaitify2 = _interopRequireDefault(_awaitify); |
| |
| var _once = require('./internal/once'); |
| |
| var _once2 = _interopRequireDefault(_once); |
| |
| var _wrapAsync = require('./internal/wrapAsync'); |
| |
| 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']; |