'use strict';
var $RangeError = require('es-errors/range');
var ToIntegerOrInfinity = require('./ToIntegerOrInfinity');
var ToLength = require('./ToLength');
var SameValue = require('./SameValue');
// https://262.ecma-international.org/8.0/#sec-toindex
module.exports = function ToIndex(value) {
if (typeof value === 'undefined') {
return 0;
}
var integerIndex = ToIntegerOrInfinity(value);
if (integerIndex < 0) {
throw new $RangeError('index must be >= 0');
}
var index = ToLength(integerIndex);
if (!SameValue(integerIndex, index)) {
throw new $RangeError('index must be >= 0 and < 2 ** 53 - 1');
}
return index;
};