linx-simulator2/node_modules/async/internal/eachOfLimit.js

74 lines
2.0 KiB
JavaScript
Raw Normal View History

2019-09-18 08:11:16 +00:00
'use strict';
Object.defineProperty(exports, "__esModule", {
value: true
});
exports.default = _eachOfLimit;
var _noop = require('lodash/noop');
var _noop2 = _interopRequireDefault(_noop);
var _once = require('./once');
var _once2 = _interopRequireDefault(_once);
var _iterator = require('./iterator');
var _iterator2 = _interopRequireDefault(_iterator);
var _onlyOnce = require('./onlyOnce');
var _onlyOnce2 = _interopRequireDefault(_onlyOnce);
var _breakLoop = require('./breakLoop');
var _breakLoop2 = _interopRequireDefault(_breakLoop);
function _interopRequireDefault(obj) { return obj && obj.__esModule ? obj : { default: obj }; }
function _eachOfLimit(limit) {
return function (obj, iteratee, callback) {
callback = (0, _once2.default)(callback || _noop2.default);
if (limit <= 0 || !obj) {
return callback(null);
}
var nextElem = (0, _iterator2.default)(obj);
var done = false;
var running = 0;
var looping = false;
function iterateeCallback(err, value) {
running -= 1;
if (err) {
done = true;
callback(err);
} else if (value === _breakLoop2.default || done && running <= 0) {
done = true;
return callback(null);
} else if (!looping) {
replenish();
}
}
function replenish() {
looping = true;
while (running < limit && !done) {
var elem = nextElem();
if (elem === null) {
done = true;
if (running <= 0) {
callback(null);
}
return;
}
running += 1;
iteratee(elem.value, elem.key, (0, _onlyOnce2.default)(iterateeCallback));
}
looping = false;
}
replenish();
};
}
module.exports = exports['default'];