| 1 | 'use strict';
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| 2 | var call = require('../internals/function-call');
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| 3 | var getBuiltIn = require('../internals/get-built-in');
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| 4 | var getMethod = require('../internals/get-method');
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| 5 |
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| 6 | module.exports = function (iterator, method, argument, reject) {
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| 7 | try {
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| 8 | var returnMethod = getMethod(iterator, 'return');
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| 9 | if (returnMethod) {
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| 10 | return getBuiltIn('Promise').resolve(call(returnMethod, iterator)).then(function () {
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| 11 | method(argument);
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| 12 | }, function (error) {
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| 13 | reject(error);
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| 14 | });
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| 15 | }
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| 16 | } catch (error2) {
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| 17 | return reject(error2);
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| 18 | } method(argument);
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| 19 | };
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