1 | 'use strict';
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2 |
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3 | Object.defineProperty(exports, "__esModule", {
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4 | value: true
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5 | });
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6 | exports.default = _eachOfLimit;
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7 |
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8 | var _noop = require('lodash/noop');
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9 |
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10 | var _noop2 = _interopRequireDefault(_noop);
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11 |
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12 | var _once = require('./once');
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13 |
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14 | var _once2 = _interopRequireDefault(_once);
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15 |
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16 | var _iterator = require('./iterator');
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17 |
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18 | var _iterator2 = _interopRequireDefault(_iterator);
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19 |
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20 | var _onlyOnce = require('./onlyOnce');
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21 |
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22 | var _onlyOnce2 = _interopRequireDefault(_onlyOnce);
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23 |
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24 | var _breakLoop = require('./breakLoop');
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25 |
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26 | var _breakLoop2 = _interopRequireDefault(_breakLoop);
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27 |
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28 | function _interopRequireDefault(obj) { return obj && obj.__esModule ? obj : { default: obj }; }
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29 |
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30 | function _eachOfLimit(limit) {
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31 | return function (obj, iteratee, callback) {
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32 | callback = (0, _once2.default)(callback || _noop2.default);
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33 | if (limit <= 0 || !obj) {
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34 | return callback(null);
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35 | }
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36 | var nextElem = (0, _iterator2.default)(obj);
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37 | var done = false;
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38 | var running = 0;
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39 | var looping = false;
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40 |
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41 | function iterateeCallback(err, value) {
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42 | running -= 1;
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43 | if (err) {
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44 | done = true;
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45 | callback(err);
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46 | } else if (value === _breakLoop2.default || done && running <= 0) {
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47 | done = true;
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48 | return callback(null);
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49 | } else if (!looping) {
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50 | replenish();
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51 | }
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52 | }
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53 |
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54 | function replenish() {
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55 | looping = true;
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56 | while (running < limit && !done) {
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57 | var elem = nextElem();
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58 | if (elem === null) {
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59 | done = true;
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60 | if (running <= 0) {
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61 | callback(null);
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62 | }
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63 | return;
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64 | }
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65 | running += 1;
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66 | iteratee(elem.value, elem.key, (0, _onlyOnce2.default)(iterateeCallback));
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67 | }
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68 | looping = false;
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69 | }
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70 |
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71 | replenish();
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72 | };
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73 | }
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74 | module.exports = exports['default']; |
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