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