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Current File : /var/www/html/node_modules/es-abstract/2018/IsStringPrefix.js

'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;
	*/
};

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