react-hover-video-player
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React component which manages playing a video when the user hovers over it and pausing when they stop.
A React component that makes it simple to set up a video that will play when the user hovers over it. This is particularly useful for setting up a thumbnail that will play a video preview on hover.
Want to play around with a real working example? Check it out on CodeSandbox!
This component will render a video element which will start playing when an onMouseEnter, onTouchStart, or onFocus event is fired on the hover target and will accordingly be paused when an onMouseLeave or onBlur event is fired on the target, or an onTouchStart event is fired outside of the target. This default behavior can be disabled, overridden, and customized as needed.
Everything is written with extra care to cleanly handle the video element's state as it asynchronously loads and plays.
npm install react-hover-video-player
import HoverVideoPlayer from 'react-hover-video-player';
function MyComponent() {
return (
<HoverVideoPlayer
videoSrc="path-to/your-video.mp4"
pausedOverlay={
<img
src="thumbnail-image.jpg"
alt=""
style={{
// Make the image expand to cover the video's dimensions
width: '100%',
height: '100%',
objectFit: 'cover',
}}
/>
}
loadingOverlay={
<div className="loading-overlay">
<div className="loading-spinner" />
</div>
}
/>
);
}
Type: string or array of strings and/or objects | This prop is required
videoSrc accepts one or multiple values descibing the video source file(s) that should be used for the video player.
If you only have one video source, you can simply provide a single string for the URL path to the video file like so:
<HoverVideoPlayer videoSrc="path/video-file.mp4" />
If you have multiple video sources, you can provide all of them in an array of strings or objects with the shape:
{
// The URL path string for this source
src: 'path/video-file.mp4',
// The MIME type of this source
type: 'video/mp4',
}
In practice this looks like:
<HoverVideoPlayer
videoSrc={[
{ src: 'video.webm', type: 'video/webm' },
{ src: 'video.mp4', type: 'video/mp4' },
]}
/>
If you have multiple video sources, make sure you order your videoSrc array by ascending file size so that the smallest video file is first; browsers will always simply pick the first source in the list that they support.
Type: object or array of objects | Default: null
videoCaptions accepts one or multiple objects descibing the caption track sources to use if you wish to add closed captions to the video for accessibility.
A caption track object should follow the shape:
{
// The URL string for the captions track file
src: 'path-to/captions-track.vtt',
// The code for the language that the captions are in
srcLang: 'en',
// The title of the captions track
label: 'English',
// OPTIONAL: the kind of captions that this captions track represents (ie, "subtitles", "captions", "descriptions")
kind: 'captions',
// OPTIONAL: whether this track should be applied by default without requiring any interaction from the user
default: true,
}
Note that if you do not set default: true or have more than one track, it is recommended that you set the controls prop to true so that the user may enable the captions or choose the correct captions for their desired language.
In practice this looks like:
<HoverVideoPlayer
videoSrc="video.mp4"
videoCaptions={[
{
src: 'captions/english.vtt',
srcLang: 'en',
label: 'English',
kind: 'captions',
default: true,
},
{
src: 'captions/french.vtt',
srcLang: 'fr',
label: 'French',
kind: 'subtitles',
},
]}
// Enable the video's controls so that the user can select the caption track they want or toggle captions on and off
controls
/>
Type: string | Default: "anonymous"
The crossOrigin prop maps directly to the HTML Video element's crossorigin attribute and allows us to define how the video element should handle CORS requests. For most purposes, you should not need to worry about setting this. The acceptable values are:
"anonymous": The video element will send cross-origin requests with no credentials. This is the browser default and usually all you need for most purposes."use-credentials": The video element will send cross-origin requests with credentials.<HoverVideoPlayer videoSrc="video.mp4" crossOrigin="use-credentials" />
Type: node | Default: null
This optional prop accepts any renderable content that you would like to be displayed over the video while it is in a paused or loading state. When the video starts playing, this content will be faded out.
A common use case for this would be displaying a thumbnail image over the video while it is paused.
<HoverVideoPlayer
videoSrc="video.mp4"
// We should display an image over the video while it is paused
pausedOverlay={
<img
src="image/video-thumbnail.jpg"
alt=""
style={{
// Make the image expand to cover the video's dimensions
width: '100%',
height: '100%',
objectFit: 'cover',
}}
/>
}
/>
The overlayTransitionDuration prop allows you to set how long it should take for the overlay to fade out when the video starts playing and fade back in when it stops playing.
Type: node | Default: null
loadingOverlay is an optional prop that accepts any renderable content that you would like to be displayed over the video if it takes too long to start after the user attempts to play it.
This allows you to provide a better user experience for users with slower internet connections, particularly if you are using larger video assets.
Note that the pausedOverlay will still be rendered while the video is in a loading state, so this overlay will simply be displayed on top of that one.
<HoverVideoPlayer
videoSrc="video.mp4"
// We should display a custom element on top of
// the video when it is loading
loadingOverlay={<div className="loading-overlay">Loading...</div>}
/>
This overlay will only be displayed if it takes more than a certain amount of time for the video to start after we attempt to play it. You can set the precise timeout duration with the loadingStateTimeout prop.
Type: number | Default: 400
overlayTransitionDuration accepts the number of milliseconds that it should take for the paused overlay and loading overlay to fade in and out as the player's state changes.
After the user stops hovering on the player, the video will continue playing until the overlay has fully faded back in to provide the most seamless user experience possible.
<HoverVideoPlayer
videoSrc="video.mp4"
pausedOverlay={<div>Paused!</div>}
// It should take 500ms for the pausedOverlay to fade out when
// the video plays and fade back in when the video pauses
overlayTransitionDuration={500}
/>
Type: number | Default: 200
loadingStateTimeout accepts the number of milliseconds that the player should wait before showing a loading state if the video is not able to play immediately.
<HoverVideoPlayer
videoSrc="video.mp4"
loadingOverlay={<div className="loading-overlay">Loading...</div>}
// We should only show the loading state if the video takes
// more than 1 full second to start after attempting to play
loadingStateTimeout={1000}
/>
Type: node | Default: null
hoverOverlay is an optional prop that accepts any renderable content that you would like to be displayed over the video while the player is active from a hover/touch event or when the focused prop is true.
This can be useful if you wish to reveal content to the user when they hover while the video still plays underneath it.
Note that this overlay takes highest ordering priority and will be displayed on top of both the pausedOverlay and loadingOverlay if they are set.
<HoverVideoPlayer
videoSrc="video.mp4"
hoverOverlay={
<div className="hover-overlay">
<h1>Video Title</h1>
<p>
Here is a short description of the video. You can still see the video
playing underneath this overlay.
<a href="/video-page">Click here to read more</a>
</p>
</div>
}
/>
Type: Node, a function that returns a Node, or a React.RefObject | Default: null
hoverTarget accepts a DOM node, a function that returns a DOM node, or a React ref to an element. The component will apply default event handling to the received target element so the video will play when a user hovers over it with a mouse or touch interaction. If no hoverTarget is provided, HoverVideoPlayer will use the component's container <div> as the hover target.
// Passing a function that returns a DOM node
<HoverVideoPlayer
videoSrc="video.mp4"
// Play the video when the user hovers over the element with id "hover-target"
hoverTarget={() => document.getElementById("hover-target")}
/>
...
// Using a React ref
const wrapperLinkRef = useRef();
<a href="/other-page" ref={wrapperLinkRef} className="link-card">
<HoverVideoPlayer
videoSrc="video.mp4"
// Play the video when the user hovers over the wrapper link
hoverTarget={wrapperLinkRef}
/>
</a>
...
// Passing a DOM node
// PLEASE BEWARE THAT THIS CAN BE UNSAFE: Only do this if you are confident that the element
// will always already exist on the DOM before this component is rendered.
<HoverVideoPlayer
videoSrc="video.mp4"
// Play the video when the user hovers over the element with id "hover-target"
hoverTarget={document.getElementById("hover-target")}
/>
Type: boolean | Default: false
focused accepts a boolean value which, if true, will force the video player to play regardless of any other user interactions it receives. This can be useful for scenarios where you may wish to implement custom behavior outside of standard mouse/touch interactions with the video player.
const [isVideoPlaying, setIsVideoPlaying] = useState(false);
...
<button
// Clicking this button should toggle whether the video is playing
onClick={()=>setIsVideoPlaying(!isVideoPlaying)}
>
Click me to make the video play
</button>
<HoverVideoPlayer
videoSrc="video.mp4"
focused={isVideoPlaying}
/>
If you wish to set up a a fully custom implementation that overrides the hover player's default mouse and touch event handling, you can use the disableDefaultEventHandling prop.
Type: boolean | Default: false
disableDefaultEventHandling accepts a boolean value which, if true, will disable the player's default built-in event handling where onMouseEnter and onTouchStart events play the video and onMouseLeave events and touchStart events outside of the player pause the video. This can be useful if you want to build a fully custom implementation of the player's behavior using the focused prop.
const [isVideoPlaying, setIsVideoPlaying] = useState(false);
...
<div
// Clicking on the player will toggle whether it is playing or paused
onClick={()=>setIsVideoPlaying(!isVideoPlaying)}
>
<HoverVideoPlayer
videoSrc="video.mp4"
focused={isVideoPlaying}
// The default mouse and touch event handling on the player is disabled
disableDefaultEventHandling
/>
</div>
Type: function | Default: null
onHoverStart accepts a callback function which will be fired when the user hovers on the player's hover target.
<HoverVideoPlayer
videoSrc="video.mp4"
onHoverStart={() => {
console.log('User just moused over or touched hover target.');
console.log('The video will now attempt to play.');
}}
/>
Type: function | Default: null
onHoverStart accepts a callback function which will be fired when the user stops hovering on the player's hover target.
<HoverVideoPlayer
videoSrc="video.mp4"
onHoverEnd={() => {
console.log('User just moused out of or touched outside of hover target.');
console.log('The video will now stop playing.');
}}
/>
Type: boolean | Default: false
restartOnPaused accepts a boolean value which will toggle whether the video should be reset to the start every time it is paused or resume from the previous time it was at.
<HoverVideoPlayer
videoSrc="video.mp4"
restartOnPaused // The video should restart when it is paused
/>
Type: boolean | Default: true
muted accepts a boolean value which toggles whether or not the video should be muted.
Note that if the video is unmuted, you may encounter issues with browser autoplay policies blocking the video from playing with sound. This is an unfortunate limitation stemming from the fact that modern browsers will block playing audio until the user has "interacted" with the page by doing something like clicking or tapping anywhere at least once.
If playback is initially blocked for an unmuted video, the component will fall back by muting the video and attempting to play again without audio; if the user clicks on the page, the video will be unmuted again and continue playing.
<HoverVideoPlayer
videoSrc="video.mp4"
// The video should play sound
muted={false}
/>
Type: number | Default: 1
volume accepts a number on a scale from 0-1 for the volume that the video's audio should play at.
Note that this will only work if the muted prop is also set to false.
<HoverVideoPlayer
videoSrc="video.mp4"
// The video should play sound at 50% volume
volume={0.5}
muted={false}
/>
Type: boolean | Default: true
loop accepts a boolean value which toggles whether or not the video should loop when it reaches the end.
<HoverVideoPlayer
videoSrc="video.mp4"
// The video should not loop when it reaches the end
loop={false}
/>
Type: React.Ref | Default: null
videoRef can be used to expose a ref to the video element rendered by HoverVideoPlayer. This is useful if you need to directly access the video element to extend its behavior in some way, but beware that any changes you make could produce unexpected behavior from the component.
const hoverVideoRef = useRef();
useEffect(() => {
const videoElement = hoverVideoRef.current;
videoElement.playbackRate = 2;
}, []);
return <HoverVideoPlayer videoSrc="video.mp4" videoRef={hoverVideoRef} />;
Setting a playback range on HoverVideoPlayer allows you to set the times in the video that it should start from and/or play to.
This can be useful if you want to show a smaller preview of a longer video without having to manually edit the file,
perhaps because you wish to still use the full video file elsewhere on the site.
If a playback range is set, the component will add a media fragment identifier to the video's URL to tell browsers to only load the portion of the video within the desired playback range. Note that support for media fragments is not entirely consistent across all browsers, but regardless the component will still be able to play within the desired range, just without the added performance benefit of avoiding downloading the full video file.
Type: number | Default: null
playbackRangeStart accepts a number in seconds for what time video playback should start from. If not set, playback will start from the beginning of the video file.
<HoverVideoPlayer
videoSrc="video.mp4"
// Playback should start 2.5 seconds into the video
playbackRangeStart={2.5}
/>
Type: number | Default: null
playbackRangeEnd accepts a number in seconds for what time video playback should end at. If not set, the video will play all the way to the end of the video file.
<HoverVideoPlayer
videoSrc="video.mp4"
// Playback should end at 5 seconds into the video
playbackRangeEnd={5}
/>
The base styling for this component's contents are set using inline styling. You can customize or override this styling using various props that accept classNames and style objects.
<HoverVideoPlayer
/* ~~~ OUTER CONTAINER DIV ~~~ */
// Applies a custom class to the outer container div wrapping the player
className="player-wrapper"
// Applies inline styles to the outer container div wrapping the player
style={{
width: '50%',
}}
/* ~~~ PAUSED OVERLAY WRAPPER DIV ~~~ */
// Applies a custom class to the div wrapping the pausedOverlay contents
pausedOverlayWrapperClassName="paused-overlay-wrapper"
// Applies inline styles to the div wrapping the pausedOverlay contents
pausedOverlayWrapperStyle={{
backgroundColor: '#ff0000',
}}
/* ~~~ LOADING OVERLAY WRAPPER DIV ~~~ */
// Applies a custom class to the div wrapping the loadingOverlay contents
loadingOverlayWrapperClassName="loading-overlay-wrapper"
// Applies inline styles to the div wrapping the loadingOverlay contents
loadingOverlayWrapperStyle={{
backgroundColor: 'rgba(0, 0, 0, 0.1)',
}}
/* ~~~ HOVER OVERLAY WRAPPER DIV ~~~ */
// Applies a custom class to the div wrapping the hoverOverlay contents
hoverOverlayWrapperClassName="hover-overlay-wrapper"
// Applies inline styles to the div wrapping the hoverOverlay contents
hoverOverlayWrapperStyle={{
backgroundColor: 'rgba(0, 0, 0, 0.7)',
color: 'white',
}}
/* ~~~ VIDEO ELEMENT ~~~ */
// Applies a custom class to the video element
videoClassName="player-video"
// Applies an id to the video element
videoId="hover-video"
// Applies inline styles to the video element
videoStyle={{
padding: 24,
}}
/>
Type: string | Default: "video"
The sizingMode prop can be used to apply one of four available styling presets which define how the player's contents should be sized. These presets are:
"video": This is the default sizing mode. Everything should be sized based on the video element's dimensions and the overlays will expand to cover the video.
"overlay": Everything should be sized based on the paused overlay's dimensions and the video element will expand to fill that space.
display: block style in order for this mode to work correctly."container": All of the video's contents should expand to fill the component's outer container div."manual": Removes all preset sizing-related styling if you wish to use your own fully custom styling implementation.<HoverVideoPlayer
videoSrc="video.mp4"
style={{
width: '100%',
// The container should have a set 16:9 aspect ratio
// (https://css-tricks.com/aspect-ratio-boxes/)
paddingTop: '56.25%',
}}
// The video and overlays should expand to fill the 16:9 container
sizingMode="container"
/>
Type: string | Default: null
The preload prop maps directly to the HTML Video element's preload attribute and allows us to define how much data a video element should preload before it is played. This prop defaults to null, which will use whatever the browser's default setting is.
The acceptable values are:
"auto": We can load the whole video file before playing, even if it never gets used. If you have a large number of videos on the page, beware that this can create performance problems as the browser will attempt to load them all up front at once."metadata": We should only load the video's metadata (video dimensions, duration, etc) before playing. This helps us avoid loading large amounts of data unless it is absolutely needed.
preload="metadata" applied will just appear empty rather than displaying the first frame of the video like other browsers do. As a result, it is recommended that if you use this setting, you should have paused overlay contents set that will hide the video element until it is playing."none": We should not preload any part of the video before playing, including metadata.
"video" sizing mode.The official specs recommend that browsers should use metadata as the default, but implementations differ between browsers. As of writing, the defaults for each browser seem to be:
| Browser | Default preload value |
|---|---|
| Chrome | metadata |
| Firefox | metadata |
| Safari | auto |
| Edge | metadata |
<HoverVideoPlayer
videoSrc="video.mp4"
// We should only preload the video's metadata
preload="metadata"
/>
Type: boolean | Default: false
Having a large number of videos with large file sizes on the page at the same time can cause severe performance problems in some cases, especially in Google Chrome. This is because after you play a video for the first time, it will continue loading in the background even after it is paused, taking up bandwidth and memory even though it is not in use. If you have too many large videos loading in the background at once, this can gum up the works very quickly and cause significant performance degredation to the point where other assets may stop loading entirely as well. This is where the unloadVideoOnPaused prop comes in: when set to true, it will ensure that video assets will be kept completely unloaded whenever the video is not playing. This may result in the video being slighly slower to start on repeat play attempts, but assuming the browser is caching the video assets correctly, the difference should not be too significant.
Note that this will also keep the video's metadata unloaded when it is not playing, causing content jump issues with the "video" sizing mode.
Additionally, nothing will be displayed for the video element when it is unloaded, so it is highly recommended that you provide paused overlay contents to hide the video when it is paused.
<HoverVideoPlayer
videoSrc="video.mp4"
// Fully unload the video when it isn't playing
unloadVideoOnPaused
/>
Type: boolean | Default: false
controls accepts a boolean value which toggles whether the video element should have the browser's video playback controls enabled.
<HoverVideoPlayer
videoSrc="video.mp4"
// Show playback controls on the video
controls
/>
Type: string | Default: null
controlsList accepts a string describing buttons that should be excluded from the video's playback controls. The string can include the following possible values, with spaces separating each one:
"nodownload": Removes the download button from the video's controls"nofullscreen": Removes the fullscreen button from the video's controlsBe aware that this feature is not currently supported across all major browsers.
<HoverVideoPlayer
videoSrc="video.mp4"
// Show playback controls on the video
controls
// Disable both the download and fullscreen buttons
controlsList="nodownload nofullscreen"
/>
Type: boolean | Default: true
disableRemotePlayback toggles whether the browser should show a remote playback UI on the video, which allows the user to cast the video to other devices.
<HoverVideoPlayer
videoSrc="video.mp4"
// Show controls for casting this video to remote devices
disableRemotePlayback={false}
/>
Type: boolean | Default: true
disablePictureInPicture toggles whether the browser should show a picture-in-picture UI on the video, which allows the user to pop the video out into a floating window that persists over other tabs or apps.
<HoverVideoPlayer
videoSrc="video.mp4"
// Show controls for playing this video in picture-in-picture mode
disablePictureInPicture={false}
/>
FAQs
React component which manages playing a video when the user hovers over it and pausing when they stop.
We found that react-hover-video-player demonstrated a healthy version release cadence and project activity because the last version was released less than a year ago. It has 1 open source maintainer collaborating on the project.
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