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							- 'use strict';
 
- var $TypeError = require('es-errors/type');
 
- var IsDetachedBuffer = require('./IsDetachedBuffer');
 
- var isObject = require('../helpers/isObject');
 
- var isTypedArray = require('is-typed-array');
 
- var typedArrayBuffer = require('typed-array-buffer');
 
- // https://262.ecma-international.org/6.0/#sec-validatetypedarray
 
- module.exports = function ValidateTypedArray(O) {
 
- 	if (!isObject(O)) {
 
- 		throw new $TypeError('Assertion failed: `O` must be an Object'); // step 1
 
- 	}
 
- 	if (!isTypedArray(O)) {
 
- 		throw new $TypeError('Assertion failed: `O` must be a Typed Array'); // steps 2 - 3
 
- 	}
 
- 	var buffer = typedArrayBuffer(O); // step 4
 
- 	if (IsDetachedBuffer(buffer)) {
 
- 		throw new $TypeError('`O` must be backed by a non-detached buffer'); // step 5
 
- 	}
 
- 	return buffer; // step 6
 
- };
 
 
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