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* @license Apache-2.0
*
* Copyright (c) 2025 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 isPositiveInteger = require( '@stdlib/assert/is-positive-integer' ).isPrimitive;
var isFunction = require( '@stdlib/assert/is-function' );
var hasOwnProp = require( '@stdlib/assert/has-own-property' );
// MAIN //
/**
* Tests if a value is struct constructor-like.
*
* @param {*} value - value to test
* @returns {boolean} boolean indicating if a value is struct constructor-like
*
* @example
* var structFactory = require( '@stdlib/dstructs/struct' );
*
* var schema = [
* {
* 'name': 'foo',
* 'type': 'float64'
* }
* ];
* var Struct = structFactory( schema );
*
* var bool = isStructConstructorLike( Struct );
* // returns true
*
* bool = isStructConstructorLike( [] );
* // returns false
*/
function isStructConstructorLike( value ) {
return (
isFunction( value ) &&
isPositiveInteger( value.alignment ) &&
isPositiveInteger( value.byteLength ) &&
isFunction( value.byteLengthOf ) &&
isFunction( value.byteOffsetOf ) &&
isFunction( value.bufferOf ) &&
isFunction( value.isStruct ) &&
isFunction( value.viewOf ) &&
hasOwnProp( value, 'fields' ) &&
hasOwnProp( value, 'layout' )
);
}
// EXPORTS //
module.exports = isStructConstructorLike;
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