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