'use strict'; | |
var $TypeError = require('es-errors/type'); | |
var callBound = require('call-bound'); | |
var $dataViewByteLength = callBound('DataView.prototype.byteLength', true); | |
var isDataView = require('is-data-view'); | |
// node <= 0.10, < 0.11.4 has a nonconfigurable own property instead of a prototype getter | |
/** @type {import('.')} */ | |
module.exports = $dataViewByteLength || function byteLength(x) { | |
if (!isDataView(x)) { | |
throw new $TypeError('not a DataView'); | |
} | |
return x.byteLength; | |
}; |