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- 'use strict';
- var $TypeError = require('es-errors/type');
- var IsTypedArrayOutOfBounds = require('./IsTypedArrayOutOfBounds');
- var IsViewOutOfBounds = require('./IsViewOutOfBounds');
- var MakeDataViewWithBufferWitnessRecord = require('./MakeDataViewWithBufferWitnessRecord');
- var MakeTypedArrayWithBufferWitnessRecord = require('./MakeTypedArrayWithBufferWitnessRecord');
- var isDataView = require('is-data-view');
- var isTypedArray = require('is-typed-array');
- // https://262.ecma-international.org/15.0/#sec-isarraybufferviewoutofbounds
- module.exports = function IsArrayBufferViewOutOfBounds(O) {
- var isDV = isDataView(O);
- if (!isTypedArray(O) && !isDV) {
- throw new $TypeError('Assertion failed: `O` must be a TypedArray or DataView');
- }
- if (isDV) { // step 1
- var viewRecord = MakeDataViewWithBufferWitnessRecord(O, 'SEQ-CST'); // step 1.a
- return IsViewOutOfBounds(viewRecord); // step 1.b
- }
- var taRecord = MakeTypedArrayWithBufferWitnessRecord(O, 'SEQ-CST'); // step 2
- return IsTypedArrayOutOfBounds(taRecord); // step 3
- };
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