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- 'use strict';
- var $TypeError = require('es-errors/type');
- var ArrayBufferByteLength = require('./ArrayBufferByteLength');
- var IsDetachedBuffer = require('./IsDetachedBuffer');
- var isTypedArray = require('is-typed-array');
- var typedArrayBuffer = require('typed-array-buffer');
- // https://262.ecma-international.org/15.0/#sec-maketypedarraywithbufferwitnessrecord
- module.exports = function MakeTypedArrayWithBufferWitnessRecord(obj, order) {
- if (!isTypedArray(obj)) {
- throw new $TypeError('Assertion failed: `obj` must be a Typed Array');
- }
- if (order !== 'SEQ-CST' && order !== 'UNORDERED') {
- throw new $TypeError('Assertion failed: `order` must be ~SEQ-CST~ or ~UNORDERED~');
- }
- var buffer = typedArrayBuffer(obj); // step 1
- var byteLength = IsDetachedBuffer(buffer) ? 'DETACHED' : ArrayBufferByteLength(buffer, order); // steps 2 - 3
- return { '[[Object]]': obj, '[[CachedBufferByteLength]]': byteLength }; // step 4
- };
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