1 | import _Symbol$iterator from "../../core-js/symbol/iterator";
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2 | import _Symbol from "../../core-js/symbol";
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3 | import _Promise from "../../core-js/promise";
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4 | export default function _asyncGeneratorDelegate(inner, awaitWrap) {
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5 | var iter = {},
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6 | waiting = false;
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7 |
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8 | function pump(key, value) {
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9 | waiting = true;
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10 | value = new _Promise(function (resolve) {
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11 | resolve(inner[key](value));
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12 | });
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13 | return {
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14 | done: false,
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15 | value: awaitWrap(value)
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16 | };
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17 | }
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18 |
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19 | ;
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20 |
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21 | if (typeof _Symbol === "function" && _Symbol$iterator) {
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22 | iter[_Symbol$iterator] = function () {
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23 | return this;
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24 | };
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25 | }
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26 |
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27 | iter.next = function (value) {
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28 | if (waiting) {
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29 | waiting = false;
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30 | return value;
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31 | }
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32 |
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33 | return pump("next", value);
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34 | };
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35 |
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36 | if (typeof inner.throw === "function") {
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37 | iter.throw = function (value) {
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38 | if (waiting) {
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39 | waiting = false;
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40 | throw value;
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41 | }
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42 |
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43 | return pump("throw", value);
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44 | };
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45 | }
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46 |
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47 | if (typeof inner.return === "function") {
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48 | iter.return = function (value) {
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49 | return pump("return", value);
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50 | };
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51 | }
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52 |
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53 | return iter;
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54 | } |
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