@stdlib/utils-nonenumerable-properties-in
v0.2.2
Published
Return an array of an object's own and inherited non-enumerable property names and symbols.
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nonEnumerablePropertiesIn
Return an array of an object's own and inherited non-enumerable property names and symbols.
Installation
npm install @stdlib/utils-nonenumerable-properties-in
Usage
var nonEnumerablePropertiesIn = require( '@stdlib/utils-nonenumerable-properties-in' );
nonEnumerablePropertiesIn( obj )
Returns an array
of an object's own and inherited non-enumerable property names and symbols.
var defineProperty = require( '@stdlib/utils-define-property' );
var obj = {};
defineProperty( obj, 'a', {
'configurable': false,
'enumerable': false,
'writable': false,
'value': 'a'
});
var props = nonEnumerablePropertiesIn( obj );
// returns [ 'a', ... ]
Examples
var defineProperty = require( '@stdlib/utils-define-property' );
var hasSymbolSupport = require( '@stdlib/assert-has-symbol-support' );
var Symbol = require( '@stdlib/symbol-ctor' );
var nonEnumerablePropertiesIn = require( '@stdlib/utils-nonenumerable-properties-in' );
var hasSymbols = hasSymbolSupport();
function Foo() {
this.a = 'a';
defineProperty( this, 'b', {
'configurable': false,
'enumerable': false,
'writable': true,
'value': 'b'
});
if ( hasSymbols ) {
this[ Symbol( 'a' ) ] = 'a';
defineProperty( this, Symbol( 'b' ), {
'configurable': false,
'enumerable': false,
'writable': true,
'value': 'b'
});
}
return this;
}
Foo.prototype.foo = 'bar';
defineProperty( Foo.prototype, 'beep', {
'configurable': false,
'enumerable': false,
'writable': false,
'value': 'boop'
});
if ( hasSymbols ) {
Foo.prototype[ Symbol( 'foo' ) ] = 'bar';
defineProperty( Foo.prototype, Symbol( 'beep' ), {
'configurable': false,
'enumerable': false,
'writable': false,
'value': 'boop'
});
}
var obj = new Foo();
var props = nonEnumerablePropertiesIn( obj );
// returns [ 'b', 'beep', ... ]
See Also
@stdlib/utils-enumerable-properties-in
: return an array of an object's own and inherited enumerable property names and symbols.@stdlib/utils-inherited-nonenumerable-properties
: return an array of an object's inherited non-enumerable property names and symbols.@stdlib/utils-nonenumerable-properties
: return an array of an object's own non-enumerable property names and symbols.@stdlib/utils-properties-in
: return an array of an object's own and inherited property names and symbols.
Notice
This package is part of stdlib, a standard library for JavaScript and Node.js, with an emphasis on numerical and scientific computing. The library provides a collection of robust, high performance libraries for mathematics, statistics, streams, utilities, and more.
For more information on the project, filing bug reports and feature requests, and guidance on how to develop stdlib, see the main project repository.
Community
License
See LICENSE.
Copyright
Copyright © 2016-2024. The Stdlib Authors.