You can not select more than 25 topics
			Topics must start with a letter or number, can include dashes ('-') and can be up to 35 characters long.
		
		
		
		
		
			
		
			
				
					
					
						
							47 lines
						
					
					
						
							940 B
						
					
					
				
			
		
		
	
	
							47 lines
						
					
					
						
							940 B
						
					
					
				'use strict'; | 
						|
 | 
						|
var GetIntrinsic = require('get-intrinsic'); | 
						|
 | 
						|
var $TypeError = GetIntrinsic('%TypeError%'); | 
						|
 | 
						|
var isPrefixOf = require('../helpers/isPrefixOf'); | 
						|
 | 
						|
// var callBound = require('call-bind/callBound'); | 
						|
 | 
						|
// var $charAt = callBound('String.prototype.charAt'); | 
						|
 | 
						|
var Type = require('./Type'); | 
						|
 | 
						|
// https://262.ecma-international.org/9.0/#sec-isstringprefix | 
						|
 | 
						|
module.exports = function IsStringPrefix(p, q) { | 
						|
	if (Type(p) !== 'String') { | 
						|
		throw new $TypeError('Assertion failed: "p" must be a String'); | 
						|
	} | 
						|
 | 
						|
	if (Type(q) !== 'String') { | 
						|
		throw new $TypeError('Assertion failed: "q" must be a String'); | 
						|
	} | 
						|
 | 
						|
	return isPrefixOf(p, q); | 
						|
	/* | 
						|
	if (p === q || p === '') { | 
						|
		return true; | 
						|
	} | 
						|
 | 
						|
	var pLength = p.length; | 
						|
	var qLength = q.length; | 
						|
	if (pLength >= qLength) { | 
						|
		return false; | 
						|
	} | 
						|
 | 
						|
	// assert: pLength < qLength | 
						|
 | 
						|
	for (var i = 0; i < pLength; i += 1) { | 
						|
		if ($charAt(p, i) !== $charAt(q, i)) { | 
						|
			return false; | 
						|
		} | 
						|
	} | 
						|
	return true; | 
						|
	*/ | 
						|
};
 | 
						|
 |