1 | 'use strict';
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2 |
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3 | var call = require('../internals/function-call');
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4 | var defineBuiltIn = require('../internals/define-built-in');
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5 | var getBuiltIn = require('../internals/get-built-in');
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6 | var getMethod = require('../internals/get-method');
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7 | var hasOwn = require('../internals/has-own-property');
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8 | var wellKnownSymbol = require('../internals/well-known-symbol');
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9 | var AsyncIteratorPrototype = require('../internals/async-iterator-prototype');
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10 |
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11 | var ASYNC_DISPOSE = wellKnownSymbol('asyncDispose');
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12 | var Promise = getBuiltIn('Promise');
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13 |
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14 | if (!hasOwn(AsyncIteratorPrototype, ASYNC_DISPOSE)) {
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15 | defineBuiltIn(AsyncIteratorPrototype, ASYNC_DISPOSE, function () {
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16 | var O = this;
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17 | return new Promise(function (resolve, reject) {
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18 | var $return = getMethod(O, 'return');
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19 | if ($return) {
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20 | Promise.resolve(call($return, O)).then(function () {
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21 | resolve(undefined);
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22 | }, reject);
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23 | } else resolve(undefined);
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24 | });
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25 | });
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26 | }
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