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* @license Apache-2.0
*
* Copyright (c) 2018 The Stdlib Authors.
*
* Licensed under the Apache License, Version 2.0 (the "License");
* you may not use this file except in compliance with the License.
* You may obtain a copy of the License at
*
* http://www.apache.org/licenses/LICENSE-2.0
*
* Unless required by applicable law or agreed to in writing, software
* distributed under the License is distributed on an "AS IS" BASIS,
* WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
* See the License for the specific language governing permissions and
* limitations under the License.
*/
'use strict';
// MODULES //
var ctorName = require( '@stdlib/utils/constructor-name' );
var getPrototypeOf = require( '@stdlib/utils/get-prototype-of' );
var CTORS = require( './ctors.js' );
var NAMES = require( './names.json' );
// MAIN //
/**
* Tests if a value is a complex typed array.
*
* @param {*} value - value to test
* @returns {boolean} boolean indicating if a value is a complex typed array
*
* @example
* var Complex128Array = require( '@stdlib/array/complex128' );
*
* var bool = isComplexTypedArray( new Complex128Array( 10 ) );
* // returns true
*/
function isComplexTypedArray( value ) {
var v;
var i;
if ( typeof value !== 'object' || value === null ) {
return false;
}
// Check for complex typed array objects from the same realm (same Node.js `vm` or same `Window` object)...
for ( i = 0; i < CTORS.length; i++ ) {
if ( value instanceof CTORS[ i ] ) {
return true;
}
}
// Walk the prototype tree until we find an object having a desired class...
while ( value ) {
v = ctorName( value );
for ( i = 0; i < NAMES.length; i++ ) {
if ( NAMES[ i ] === v ) {
return true;
}
}
value = getPrototypeOf( value );
}
return false;
}
// EXPORTS //
module.exports = isComplexTypedArray;
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