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vue-progressive-image
Advanced tools
Vue progressive image loading plugin
$ npm install vue-progressive-image
import Vue from 'vue'
import VueProgressiveImage from 'vue-progressive-image'
Vue.use(VueProgressiveImage)
Instead of using the normal img
tag to load images
<img src="https://unsplash.it/1920/1080?image=10" />
use the progressive-img
component already globally available after the plugin installation
<progressive-img src="https://unsplash.it/1920/1080?image=10" />
It is also possible to apply progressive images as backgrounds and it will have the same props as the progressive-img component
<progressive-background src="https://unsplash.it/1920/1080?image=10" />
To be able to immediately show some feedback to the user, it is possible to pass a placeholder image, which could be also 1% the size of the main image: it will be blurred so you can go crazy with optimizations here.
in this example I actually use the same image, but you have the idea here
<progressive-img
src="https://unsplash.it/1920/1080?image=10"
placeholder="https://unsplash.it/1920/1080?image=10"
/>
It is possible to adjust the level of blur applied to the placeholder image
<progressive-img
src="https://unsplash.it/1920/1080?image=10"
placeholder="https://unsplash.it/1920/1080?image=10"
:blur="30"
/>
It is possible to remove the padding that adds the aspect ratio to the container.
<progressive-img
src="https://unsplash.it/1920/1080?image=10"
no-ratio
/>
In case of a loading error of the main image, it is possible to add a fallback image which can display an error image or just another image.
<progressive-img
src="https://this_url_should_cause_an_error"
fallback="https://unsplash.it/1920/1080?image=10"
/>
Each component emits an event whenever an image is loaded.
Because we usually load two images, a main image and a placeholder, two events are dispatched onLoad
and onLoadPlaceholder
in your js file
export default {
methods: {
onLoad () {
// main image is loaded
},
onLoadPlaceholder () {
// placeholder image is loaded
},
onError (error) {
// main image error
},
onErrorPlaceholder (error) {
// placeholder image error
}
}
}
in the html just add the events you need to listen to
<progressive-img
@onLoad="onLoad"
@onLoadPlaceholder="onLoadPlaceholder"
@onError="onError"
@onErrorPlaceholder="onErrorPlaceholder"
src="https://unsplash.it/1920/1080?image=10"
placeholder="https://unsplash.it/1920/1080?image=10"
/>
During the installation process it is possible to pass some default global options
Vue.use(VueProgressiveImage, {
placeholder: 'https://unsplash.it/1920/1080?image=20'
})
Vue.use(VueProgressiveImage, {
blur: 30
})
This options is for debug only. It lets you have an easy look at the placeholder before the main image is fully loaded.
Vue.use(VueProgressiveImage, {
delay: 2000 // 2 seconds before the image is displayed
})
Global options like placeholder
and blur
will be applied only to components that don't specify their own options
Please drop an issue, if you find something that doesn't work, or a feature request at https://github.com/MatteoGabriele/vue-progressive-image/issues
Follow me on twitter @matteo_gabriele
FAQs
Vue progressive image loading plugin
The npm package vue-progressive-image receives a total of 1,265 weekly downloads. As such, vue-progressive-image popularity was classified as popular.
We found that vue-progressive-image demonstrated a not healthy version release cadence and project activity because the last version was released a year ago. It has 1 open source maintainer collaborating on the project.
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