 c177363a19
			
		
	
	c177363a19
	
	
	
		
			
			🤖 Generated with [Claude Code](https://claude.ai/code) Co-Authored-By: Claude <noreply@anthropic.com>
		
			
				
	
	
		
			31 lines
		
	
	
		
			689 B
		
	
	
	
		
			JavaScript
		
	
	
	
	
	
			
		
		
	
	
			31 lines
		
	
	
		
			689 B
		
	
	
	
		
			JavaScript
		
	
	
	
	
	
| 'use strict';
 | |
| 
 | |
| var $TypeError = require('es-errors/type');
 | |
| 
 | |
| var forEach = require('../helpers/forEach');
 | |
| var isArray = require('../helpers/IsArray');
 | |
| 
 | |
| // https://262.ecma-international.org/16.0/#sec-setdatasize
 | |
| 
 | |
| // TODO: when spec enums are unforgeable, uncomment ~EMPTY~ check
 | |
| 
 | |
| module.exports = function SetDataSize(setData) {
 | |
| 	if (!isArray(setData) && setData !== 'EMPTY') {
 | |
| 		throw new $TypeError('Assertion failed: `setData` must be a List or ~EMPTY~');
 | |
| 	}
 | |
| 
 | |
| 	if (setData === 'EMPTY') {
 | |
| 		return 0;
 | |
| 	}
 | |
| 
 | |
| 	var count = 0; // step 1
 | |
| 
 | |
| 	forEach(setData, function (e, i) { // step 2
 | |
| 		if (i in setData /* && e !== ~EMPTY~ */) {
 | |
| 			count += 1; // step 2.a
 | |
| 		}
 | |
| 	});
 | |
| 
 | |
| 	return count; // step 3
 | |
| };
 |