source: imaps-frontend/node_modules/es-abstract/2024/IsValidIntegerIndex.js

'use strict';

var $TypeError = require('es-errors/type');

var IsDetachedBuffer = require('./IsDetachedBuffer');
var IsIntegralNumber = require('./IsIntegralNumber');
var IsTypedArrayOutOfBounds = require('./IsTypedArrayOutOfBounds');
var MakeTypedArrayWithBufferWitnessRecord = require('./MakeTypedArrayWithBufferWitnessRecord');
var TypedArrayLength = require('./TypedArrayLength');

var isNegativeZero = require('../helpers/isNegativeZero');

var isTypedArray = require('is-typed-array');
var typedArrayBuffer = require('typed-array-buffer');

// https://262.ecma-international.org/15.0/#sec-isvalidintegerindex

module.exports = function IsValidIntegerIndex(O, index) {
        if (!isTypedArray(O)) {
                throw new $TypeError('Assertion failed: `O` is not a TypedArray object');
        }
        if (typeof index !== 'number') {
                throw new $TypeError('Assertion failed: `index` is not a Number');
        }

        var buffer = typedArrayBuffer(O);

        if (IsDetachedBuffer(buffer)) { return false; } // step 1

        if (!IsIntegralNumber(index)) { return false; } // step 2

        if (isNegativeZero(index)) { return false; } // step 3

        var taRecord = MakeTypedArrayWithBufferWitnessRecord(O, 'UNORDERED'); // step 4
        if (IsTypedArrayOutOfBounds(taRecord)) {
                return false; // step 6
        }
        var length = TypedArrayLength(taRecord); // step 7

        if (index < 0 || index >= length) { return false; } // step 8

        return true; // step 9
};