 c177363a19
			
		
	
	c177363a19
	
	
	
		
			
			🤖 Generated with [Claude Code](https://claude.ai/code) Co-Authored-By: Claude <noreply@anthropic.com>
		
			
				
	
	
		
			46 lines
		
	
	
		
			1.7 KiB
		
	
	
	
		
			JavaScript
		
	
	
	
	
	
			
		
		
	
	
			46 lines
		
	
	
		
			1.7 KiB
		
	
	
	
		
			JavaScript
		
	
	
	
	
	
| 'use strict';
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| 
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| var $TypeError = require('es-errors/type');
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| 
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| var GeneratorStart = require('./GeneratorStart');
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| var IsArray = require('es-abstract/2024/IsArray');
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| var IsCallable = require('es-abstract/2024/IsCallable');
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| var OrdinaryObjectCreate = require('es-abstract/2024/OrdinaryObjectCreate');
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| 
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| var every = require('es-abstract/helpers/every');
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| 
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| var SLOT = require('internal-slot');
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| 
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| var safeConcat = require('safe-array-concat');
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| 
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| var isString = function isString(slot) {
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| 	return typeof slot === 'string';
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| };
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| 
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| module.exports = function CreateIteratorFromClosure(closure, generatorBrand, proto) {
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| 	if (!IsCallable(closure)) {
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| 		throw new $TypeError('`closure` must be a function');
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| 	}
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| 	if (typeof generatorBrand !== 'string') {
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| 		throw new $TypeError('`generatorBrand` must be a string');
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| 	}
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| 	var extraSlots = arguments.length > 3 ? arguments[3] : [];
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| 	if (arguments.length > 3) {
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| 		if (!IsArray(extraSlots) || !every(extraSlots, isString)) {
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| 			throw new $TypeError('`extraSlots` must be a List of String internal slot names');
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| 		}
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| 	}
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| 	var internalSlotsList = safeConcat(extraSlots, ['[[GeneratorContext]]', '[[GeneratorBrand]]', '[[GeneratorState]]']); // step 3
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| 	var generator = OrdinaryObjectCreate(proto, internalSlotsList); // steps 4, 6
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| 	SLOT.set(generator, '[[GeneratorBrand]]', generatorBrand); // step 5
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| 
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| 	SLOT.assert(closure, '[[Sentinel]]'); // our userland slot
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| 	SLOT.set(generator, '[[Sentinel]]', SLOT.get(closure, '[[Sentinel]]')); // our userland slot
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| 	SLOT.assert(closure, '[[CloseIfAbrupt]]'); // our second userland slot
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| 	SLOT.set(generator, '[[CloseIfAbrupt]]', SLOT.get(closure, '[[CloseIfAbrupt]]')); // our second userland slot
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| 
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| 	GeneratorStart(generator, closure); // step 13
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| 
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| 	return generator; // step 15
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| };
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