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'use strict';
var $TypeError = require('es-errors/type');
var isNegativeZero = require('math-intrinsics/isNegativeZero');
var IsDetachedBuffer = require('./IsDetachedBuffer');
var isInteger = require('math-intrinsics/isInteger');
var typedArrayBuffer = require('typed-array-buffer');
// https://262.ecma-international.org/12.0/#sec-isvalidintegerindex
module.exports = function IsValidIntegerIndex(O, index) {
// Assert: O is an Integer-Indexed exotic object.
var buffer = typedArrayBuffer(O); // step 1
if (typeof index !== 'number') {
throw new $TypeError('Assertion failed: Type(index) is not Number');
}
if (IsDetachedBuffer(buffer)) { return false; } // step 2
if (!isInteger(index)) { return false; } // step 3
if (isNegativeZero(index)) { return false; } // step 4
if (index < 0 || index >= O.length) { return false; } // step 5
return true; // step 6
};