'f'

mh-two-thousand-and-two

2024-04-12 26f2711ef9461961fb953e2b497bd314ef95e345

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'use strict';
 
var $TypeError = require('es-errors/type');
 
var ArrayBufferByteLength = require('./ArrayBufferByteLength');
var IsDetachedBuffer = require('./IsDetachedBuffer');
 
var dataViewBuffer = require('data-view-buffer');
var isDataView = require('is-data-view');
 
// https://262.ecma-international.org/15.0/#sec-makedataviewwithbufferwitnessrecord
 
module.exports = function MakeDataViewWithBufferWitnessRecord(obj, order) {
    if (!isDataView(obj)) {
        throw new $TypeError('MakeDataViewWithBufferWitnessRecord called with non-DataView');
    }
    if (order !== 'SEQ-CST' && order !== 'UNORDERED') {
        throw new $TypeError('Assertion failed: `order` must be ~SEQ-CST~ or ~UNORDERED~');
    }
 
    var buffer = dataViewBuffer(obj); // step 1
 
    var byteLength = IsDetachedBuffer(buffer) ? 'DETACHED' : ArrayBufferByteLength(buffer, order); // steps 2 - 3
 
    return { '[[Object]]': obj, '[[CachedBufferByteLength]]': byteLength }; // step 4
};