1 | var _Symbol = require("@babel/runtime-corejs2/core-js/symbol");
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2 | var _Symbol$iterator = require("@babel/runtime-corejs2/core-js/symbol/iterator");
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3 | var _Promise = require("@babel/runtime-corejs2/core-js/promise");
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4 | function _asyncIterator(iterable) {
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5 | var method,
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6 | async,
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7 | sync,
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8 | retry = 2;
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9 | for ("undefined" != typeof _Symbol && (async = _Symbol.asyncIterator, sync = _Symbol$iterator); retry--;) {
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10 | if (async && null != (method = iterable[async])) return method.call(iterable);
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11 | if (sync && null != (method = iterable[sync])) return new AsyncFromSyncIterator(method.call(iterable));
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12 | async = "@@asyncIterator", sync = "@@iterator";
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13 | }
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14 | throw new TypeError("Object is not async iterable");
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15 | }
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16 | function AsyncFromSyncIterator(s) {
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17 | function AsyncFromSyncIteratorContinuation(r) {
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18 | if (Object(r) !== r) return _Promise.reject(new TypeError(r + " is not an object."));
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19 | var done = r.done;
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20 | return _Promise.resolve(r.value).then(function (value) {
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21 | return {
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22 | value: value,
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23 | done: done
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24 | };
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25 | });
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26 | }
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27 | return AsyncFromSyncIterator = function AsyncFromSyncIterator(s) {
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28 | this.s = s, this.n = s.next;
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29 | }, AsyncFromSyncIterator.prototype = {
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30 | s: null,
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31 | n: null,
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32 | next: function next() {
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33 | return AsyncFromSyncIteratorContinuation(this.n.apply(this.s, arguments));
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34 | },
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35 | "return": function _return(value) {
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36 | var ret = this.s["return"];
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37 | return void 0 === ret ? _Promise.resolve({
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38 | value: value,
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39 | done: !0
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40 | }) : AsyncFromSyncIteratorContinuation(ret.apply(this.s, arguments));
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41 | },
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42 | "throw": function _throw(value) {
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43 | var thr = this.s["return"];
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44 | return void 0 === thr ? _Promise.reject(value) : AsyncFromSyncIteratorContinuation(thr.apply(this.s, arguments));
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45 | }
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46 | }, new AsyncFromSyncIterator(s);
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47 | }
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48 | module.exports = _asyncIterator, module.exports.__esModule = true, module.exports["default"] = module.exports; |
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