1 | function _asyncIterator(r) {
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2 | var n,
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3 | t,
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4 | o,
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5 | e = 2;
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6 | for ("undefined" != typeof Symbol && (t = Symbol.asyncIterator, o = Symbol.iterator); e--;) {
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7 | if (t && null != (n = r[t])) return n.call(r);
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8 | if (o && null != (n = r[o])) return new AsyncFromSyncIterator(n.call(r));
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9 | t = "@@asyncIterator", o = "@@iterator";
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10 | }
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11 | throw new TypeError("Object is not async iterable");
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12 | }
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13 | function AsyncFromSyncIterator(r) {
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14 | function AsyncFromSyncIteratorContinuation(r) {
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15 | if (Object(r) !== r) return Promise.reject(new TypeError(r + " is not an object."));
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16 | var n = r.done;
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17 | return Promise.resolve(r.value).then(function (r) {
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18 | return {
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19 | value: r,
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20 | done: n
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21 | };
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22 | });
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23 | }
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24 | return AsyncFromSyncIterator = function AsyncFromSyncIterator(r) {
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25 | this.s = r, this.n = r.next;
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26 | }, AsyncFromSyncIterator.prototype = {
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27 | s: null,
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28 | n: null,
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29 | next: function next() {
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30 | return AsyncFromSyncIteratorContinuation(this.n.apply(this.s, arguments));
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31 | },
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32 | "return": function _return(r) {
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33 | var n = this.s["return"];
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34 | return void 0 === n ? Promise.resolve({
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35 | value: r,
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36 | done: !0
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37 | }) : AsyncFromSyncIteratorContinuation(n.apply(this.s, arguments));
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38 | },
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39 | "throw": function _throw(r) {
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40 | var n = this.s["return"];
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41 | return void 0 === n ? Promise.reject(r) : AsyncFromSyncIteratorContinuation(n.apply(this.s, arguments));
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42 | }
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43 | }, new AsyncFromSyncIterator(r);
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44 | }
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45 | export { _asyncIterator as default }; |
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