Allow Icon to receive ref #50816
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| Original file line number | Diff line number | Diff line change |
|---|---|---|
| @@ -0,0 +1,80 @@ | ||
| /** | ||
| * Teleport | ||
| * Copyright (C) 2025 Gravitational, Inc. | ||
| * | ||
| * This program is free software: you can redistribute it and/or modify | ||
| * it under the terms of the GNU Affero General Public License as published by | ||
| * the Free Software Foundation, either version 3 of the License, or | ||
| * (at your option) any later version. | ||
| * | ||
| * This program is distributed in the hope that it will be useful, | ||
| * but WITHOUT ANY WARRANTY; without even the implied warranty of | ||
| * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the | ||
| * GNU Affero General Public License for more details. | ||
| * | ||
| * You should have received a copy of the GNU Affero General Public License | ||
| * along with this program. If not, see <http://www.gnu.org/licenses/>. | ||
| */ | ||
|
|
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| import { useEffect, useRef, useState } from 'react'; | ||
| import { CSSTransition } from 'react-transition-group'; | ||
| import styled from 'styled-components'; | ||
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| import { Broadcast } from './Icons/Broadcast'; | ||
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| export default { | ||
| // Nest stories under Icon/Icon, so that Icon/Icons which lists all icons is the first story. | ||
| title: 'Design/Icon/Icon', | ||
| }; | ||
|
|
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| export const WithRef = () => { | ||
| const [isShown, setIsShown] = useState(true); | ||
| const nodeRef = useRef(null); | ||
|
|
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| useEffect(() => { | ||
| const interval = setInterval(() => { | ||
| setIsShown(value => !value); | ||
| }, timeoutMs * 3); | ||
|
|
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| return () => { | ||
| clearInterval(interval); | ||
| }; | ||
| }, []); | ||
|
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| return ( | ||
| // This can be done with pure CSS, it's implemented like this just to show how Icon interacts | ||
| // with ref. | ||
| <CSSTransition | ||
| nodeRef={nodeRef} | ||
| in={isShown} | ||
| timeout={timeoutMs} | ||
| classNames="node" | ||
| > | ||
| <StyledBroadcast ref={nodeRef} /> | ||
| </CSSTransition> | ||
| ); | ||
| }; | ||
|
|
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| const timeoutMs = 200; | ||
|
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| const StyledBroadcast = styled(Broadcast)` | ||
|
There was a problem hiding this comment. This is all a little bit too complex, let me know if you have a better idea on how to demonstrate usage of There was a problem hiding this comment. I replaced it with a simpler example based on https://react.dev/reference/react/useRef#scrolling-an-image-into-view. |
||
| &.node-enter { | ||
| opacity: 0; | ||
| } | ||
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| &.node-enter-active, | ||
| &.node-enter-done { | ||
| opacity: 1; | ||
| transition: opacity ${timeoutMs}ms; | ||
| } | ||
|
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| &.node-exit { | ||
| opacity: 1; | ||
| } | ||
|
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| &.node-exit-active, | ||
| &.node-exit-done { | ||
| opacity: 0; | ||
| transition: opacity ${timeoutMs}ms; | ||
| } | ||
| `; | ||
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Should this be configurable via prop?
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If it was a real component then sure, but I don't think it matters that much for the story.