117 lines
2.1 KiB
Markdown
117 lines
2.1 KiB
Markdown
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<!--
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@license Apache-2.0
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Copyright (c) 2018 The Stdlib Authors.
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Licensed under the Apache License, Version 2.0 (the "License");
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you may not use this file except in compliance with the License.
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You may obtain a copy of the License at
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http://www.apache.org/licenses/LICENSE-2.0
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Unless required by applicable law or agreed to in writing, software
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distributed under the License is distributed on an "AS IS" BASIS,
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WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
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See the License for the specific language governing permissions and
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limitations under the License.
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-->
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# Read-Write Accessor
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> [Define][@stdlib/utils/define-property] a **read-write** accessor.
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<section class="usage">
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## Usage
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```javascript
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var setReadWriteAccessor = require( '@stdlib/utils/define-read-write-accessor' );
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```
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#### setReadWriteAccessor( obj, prop, getter, setter )
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[Defines][@stdlib/utils/define-property] a **read-write** accessor.
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```javascript
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var word = 'bar';
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var obj = {};
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function getter() {
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return word + ' foo';
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}
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function setter( v ) {
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word = v;
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}
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setReadWriteAccessor( obj, 'foo', getter, setter );
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var v = obj.foo;
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// returns 'bar foo'
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obj.foo = 'beep';
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v = obj.foo;
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// returns 'beep foo'
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```
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</section>
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<!-- /.usage -->
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<section class="notes">
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## Notes
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- Read-write accessors are **enumerable** and **non-configurable**.
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</section>
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<!-- /.notes -->
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<section class="examples">
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## Examples
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<!-- eslint no-undef: "error" -->
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```javascript
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var setReadWriteAccessor = require( '@stdlib/utils/define-read-write-accessor' );
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function Foo( name ) {
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if ( !(this instanceof Foo) ) {
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return new Foo( name );
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}
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setReadWriteAccessor( this, 'name', getName, setName );
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return this;
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function getName() {
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return 'Hello, ' + name;
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}
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function setName( v ) {
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name = v;
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}
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}
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var foo = new Foo( 'Grace' );
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console.log( foo.name );
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foo.name = 'Ada';
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console.log( foo.name );
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```
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</section>
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<!-- /.examples -->
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<section class="links">
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[@stdlib/utils/define-property]: https://www.npmjs.com/package/@stdlib/utils/tree/main/define-property
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</section>
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<!-- /.links -->
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