29 lines
1015 B
JavaScript
29 lines
1015 B
JavaScript
/*
|
|
Copyright 2019 The Matrix.org Foundation C.I.C.
|
|
|
|
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.
|
|
*/
|
|
|
|
/**
|
|
* Automatically focuses the captured reference when receiving a non-null
|
|
* object. Useful in scenarios where componentDidMount does not have a
|
|
* useful reference to an element, but one needs to focus the element on
|
|
* first render. Example usage: ref={focusCapturedRef}
|
|
* @param {function} ref The React reference to focus on, if not null
|
|
*/
|
|
export function focusCapturedRef(ref) {
|
|
if (ref) {
|
|
ref.focus();
|
|
}
|
|
}
|