BoosterYoutube
We have integrated BoosterYoutube as an example to show how iFrame content must be integrated in a performance-optimized manner. For this purpose, a separate IntersectionObserver has been implemented, which detects a longer dwell time of the component in the viewport. The iFrame is initialized only after a positive detection. This prevents immense data from having to be loaded when simply scrolling through the page. So that no empty space is visible to the user, we use the functionality of the BoosterPicture and preload the corresponding Youtube poster in different renditions, so the illusion is perfect for the user and he does not notice anything of the optimized lazy load procedure.
Usage
The BoosterYoutubeis used to initialise Youtube videos with Youtube Iframe-API.
The
Youtube Iframe-APIis not part ofnuxt-boosterand will be loaded by an external script. Learn more
The url of the Youtube video must be specified.
The BoosterPicture is used for the poster, so the generation of the poster is automated, you can define the image sizes with sizes (What is sizes?).
Learn more about BoosterPicture
WARNING
Important: For using BoosterYoutube do not disable @nuxt/image via disableNuxtImage.
Example
<template>
<div>
<booster-youtube v-bind="youtube" @playing="onPlaying" />
</div>
</template>
<script>
import BoosterPicture from '#booster/components/BoosterYoutube';
export default {
components: { BoosterPicture },
data () {
return {
youtube: {
url: '<youtube-url>',
title: 'Youtube Title',
loadingSpinner: undefined,
host: 'https://www.youtube.com',
options: {
fs: false // use boolean instead of 0 or 1
},
posterSizes: {
default: '100vw',
md: '50vw'
}
}
};
},
methods: {
onPlaying () {
console.log('Youtube Player playing!');
}
}
};
</script>Properties
{
url: '<youtube-url>',
title: 'Player Title',
autoplay: false,
mute: false,
posterSizes: { … },
options: { … }
}url
- Type:
String
Sets a video via the youtube url.
title
- Type:
String
Sets the title for the player iframe and poster.
autoplay
- Type:
Boolean- Default:
false
- Default:
When set starts video in autoplay. It is required that the component is integrated via BoosterHydrate or is only activated when entering the visible area.
mute
- Type:
Boolean- Default:
false
- Default:
When set the player is muted.
posterLoadingSpinner
- Type:
LoadingSpinner- Default:
undefined
- Default:
Sets a loading spinner definition of type LoadingSpinner, this describes the visual appearance of the loading state of the BoosterImage contained in the BoosterPicture.
posterSizes
- Type:
String- Default:
{ default: '100vw', xxs: '100vw', xs: '100vw', sm: '100vw', md: '100vw', lg: '100vw', xl: '100vw', xxl: '100vw' }
- Default:
Sets the image sizes of the poster.
options
- Type:
Object
Overrides the youtube player options. These will be the same as the youtube player parameters.
Use boolean values instead of integers (e.g. 0, 1).
Learn more about Youtube Player Parameters
WARNING
For autoplay and mute the component properties are used.
Option playsinline is always set, mute is set automatically for touch devices.
This is important for autoplay on mobile devices.
host
- Type:
String- default:
'https://www.youtube-nocookie.com'
- default:
Sets the host for the player.
TIP
It is recommended to use the default (https://www.youtube-nocookie.com).
Slots
<template #loading-spinner>
Loading…
</template>
<template #play>
<span>Click!</span>
</template>| Name | Description |
|---|---|
loading-spinner | Overwrites the loading spinner. |
play | Overwrites the play button. |
Events
<booster-youtube
@ready="console.log('Player Ready!')"
@playing="console.log('Player Playing!')"
/>| Name | Description |
|---|---|
ready | Triggered when Youtube-API is completely loaded. |
playing | Triggered when video is finished loading and playing. |