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30 lines
914 B
30 lines
914 B
1 week ago
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'use strict';
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var $TypeError = require('es-errors/type');
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var CreateIteratorResultObject = require('./CreateIteratorResultObject');
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var GeneratorValidate = require('./GeneratorValidate');
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var SLOT = require('internal-slot');
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// https://262.ecma-international.org/16.0/#sec-generatorresume
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module.exports = function GeneratorResume(generator, value, generatorBrand) {
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var state = GeneratorValidate(generator, generatorBrand); // step 1
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if (state === 'COMPLETED') {
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return CreateIteratorResultObject(void undefined, true); // step 2
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}
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if (state !== 'SUSPENDED-START' && state !== 'SUSPENDED-YIELD') {
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throw new $TypeError('Assertion failed: generator state is unexpected: ' + state); // step 3
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}
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var genContext = SLOT.get(generator, '[[GeneratorContext]]');
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SLOT.set(generator, '[[GeneratorState]]', 'EXECUTING'); // step 7
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var result = genContext(value); // steps 5-6, 8-10
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return result;
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};
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