| var toIntegerOrInfinity = require('../internals/to-integer-or-infinity');var toLength = require('../internals/to-length');var $RangeError = RangeError;// `ToIndex` abstract operation// https://tc39.es/ecma262/#sec-toindexmodule.exports = function (it) {  if (it === undefined) return 0;  var number = toIntegerOrInfinity(it);  var length = toLength(number);  if (number !== length) throw $RangeError('Wrong length or index');  return length;};
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