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https://nextapps-de.github.io/spotlight/
Web's most easy to integrate lightbox gallery library. Super-lightweight, outstanding performance, no dependencies.
https://nextapps-de.github.io/spotlight/
gallery gallery-extension gallery-plugin gallery-simple gallery-template gallery-viewer gallery-widget image-viewer javascript-library lightbox lightbox-gallery lightbox-gallery-plugin lightbox-plugin photo-gallery
Last synced: 3 months ago
JSON representation
Web's most easy to integrate lightbox gallery library. Super-lightweight, outstanding performance, no dependencies.
- Host: GitHub
- URL: https://nextapps-de.github.io/spotlight/
- Owner: nextapps-de
- License: apache-2.0
- Created: 2019-06-10T14:48:47.000Z (over 5 years ago)
- Default Branch: master
- Last Pushed: 2023-09-18T14:10:36.000Z (about 1 year ago)
- Last Synced: 2024-07-30T23:50:00.087Z (3 months ago)
- Topics: gallery, gallery-extension, gallery-plugin, gallery-simple, gallery-template, gallery-viewer, gallery-widget, image-viewer, javascript-library, lightbox, lightbox-gallery, lightbox-gallery-plugin, lightbox-plugin, photo-gallery
- Language: JavaScript
- Homepage: https://nextapps-de.github.io/spotlight/
- Size: 12.4 MB
- Stars: 1,588
- Watchers: 30
- Forks: 117
- Open Issues: 37
-
Metadata Files:
- Readme: README.md
- Changelog: CHANGELOG.md
- License: LICENSE
Awesome Lists containing this project
- awesome-fe-resources - Spotlight.js - Web's most easy to integrate lightbox gallery library. Super-lightweight, outstanding performance, no dependencies. (Table of Contents / JavaScript)
README
Web's most easy to integrate lightbox gallery library. Super-lightweight, outstanding performance, no dependencies.
Demo • Getting Started • Gallery Groups • Options • Styling • API • Changelog
## Whats new in 0.7.0?
The new version includes tons of fixes, new features and improvements which was collected over the last two years. Read the Changelog to get all new features.
Live Demo:
https://nextapps-de.github.io/spotlight/
Spotlight runs out of the box:
- No additional Javascript coding
- No additional HTML snippets
- No additional CSS resources
- No additional icons/assets
- No additional handling of dynamic content and event listener
- Video Support
- Mounting HTML node fragments as slides (you can add just everything as a slide!)
- Gallery groups:
- group images to specific galleries
- group options inheritance
- Toolbar & Gallery tools:
- Fullscreen
- Zoom in/out
- Toggle resize
- Switch theme
- Autoslide
- Download
- Progress Bar
- Page
- Title (also inherits from image "alt"-attribute)
- Description
- Customizable button
- Adaptive responsive images (by viewport size, pixel ratio and available internet bandwidth)
- Auto-fit images and videos (as "contain" or as "cover")
- Custom Controls
- Fully configurable via markup
- Loading Spinner
- Smart Preloading (prefetch next image including cancellation)
- Customize via standard options
- Simply customize via markup (data-attributes)
- Built-in animations
- Custom themes
- Custom animations
- Supported controls:
- Keyboard
- Touch
- Mouse (Move + Wheel)
- Back-Button (Android)
- Callbacks (onclick, onshow, onclose, onchange)
- Global API for programmatic usage
__Technical properties:__
- Outstanding performance
- Memory optimized, tiny footprint, fully cleans up
- Event capturing (just one single global event listener)
- Bind additional global event listener dynamically:
- install when gallery opens
- cleanup when gallery was closed
- No dependencies, no jQuery
- Fully Responsive
- Touch-friendly mobile support
- Super-lightweight, all in all just 9kb gzip (js + css + html + icons)
- Support for ES6 module system
#### Pending Feature Suggestions:
- Inline Gallery
- Pinch Zoom Support
- 2-Panel-Paging Strategy
- Swipe down to close
__Get Latest Stable Build (Recommended):__
Bundle: (all assets bundled into one single file: js + css + html + icons)
spotlight.bundle.js
Download
https://rawcdn.githack.com/nextapps-de/spotlight/0.7.8/dist/spotlight.bundle.js
Non-Bundled: (js and css are separated, css includes icons as base64)
spotlight.min.js
Download
https://rawcdn.githack.com/nextapps-de/spotlight/0.7.8/dist/js/spotlight.min.js
spotlight.min.css
Download
https://rawcdn.githack.com/nextapps-de/spotlight/0.7.8/dist/css/spotlight.min.css
Sources: (not bundled at all, images as url to original resources)
ES6 Modules
Download
The /src/js folder of this Github repository
LESS Files (source)
Download
The /src/css folder of this Github repository
spotlight.css (compiled)
Download
https://rawcdn.githack.com/nextapps-de/spotlight/0.7.8/src/css/spotlight.css
src.zip
Download
Download all source files including image original resources.
__Get Latest (NPM):__
```cmd
npm install spotlight.js
```
__Get Latest Nightly (Do not use for production!):__
Just exchange the version number from the URLs above with "master", e.g.: "/spotlight/__0.7.8__/dist/" into "/spotlight/__master__/dist".
> If you are using markup on anchor elements to inject the library, then it is recommended to load the lib inside your head section of the document. Because that will better prevent the original behavior of the anchor tag (e.g. when library wasn't fully loaded on page start).
### Use Bundled Version
The bundled version includes all assets like js, css, html and icon images as base64.
```html
```
### Use Non-Bundled Version
The non-bundled version needs to load js and css separately (css also includes icons as base64).
```html
```
### Preload Library / Async Load
> If you are using markup on anchor elements to inject the library, then it is recommended to load the lib inside your head section of the document. Read example above.
Just add a link tag to the header sections which indicated to preload the script. Right before the body is closing add your site scripts. Depending on your code you may need to load them in the right order.
```html
```
You can also load the non-bundled version in the same way.
> In rare situations it might produce a short flashing/reflow after page load, depending on your stack. Moving the script tag into the head section will solve this issue. Also try to use the non-bundled version.
### ES6 Modules
The ES6 modules are located in `src/js/`. You need to load the stylesheet file explicitly (includes icons as base64).
```html
```
```html
import Spotlight from "./src/js/spotlight.js";
```
You can also load modules via CDN, e.g.:
```html
import Spotlight from "https://unpkg.com/[email protected]/src/js/spotlight.js";
```
The ES6 modules are not minified. Please use your favored bundler or build tool for this purpose.
## Basic Usage (Markup)
#### Anchor + Images
The most simple way is the combination of img tags as preview images (thumbs) wrapped in an anchor element which points to the fully sized image. The advantage of this workaround is it fully falls back to a classical behavior. It is the universal markup language which all web tools already understand. Therefore, it may have some advantages for SEO also.
Just add the class ___spotlight___ to an anchor element accordingly, e.g.:
```html
```
This also works with dynamically loaded content. There is no need to inject listeners on new elements. Instead, Spotlight make use of global event capturing.
#### Non-Anchor Elements
Alternatively you can use non-anchor elements also:
```html
```
Pretty much the same like anchors but uses ___data-src___ instead of ___href___.
Grouping galleries is useful when you have multiple images on your page which should be separated into groups, instead of adding all images to one single gallery when opened.
Give one of the outer wrapping element the class ___spotlight-group___, e.g.:
```html
```
Each of these groups now opens in its own gallery.
Gallery-Groups are also useful to declare global configuration as markup just once (group options inheritance).
## Basic Usage (API)
Also you can programmatically use Spotlight via the library API. This way does not require any dependant HTML elements (e.g. the classname "spotlight").
Define a gallery group as follows:
```js
var gallery = [
{ src: "cat1.jpg" },
{ src: "cat2.jpg" },
{ src: "cat3.jpg" }
];
```
Show gallery with default options:
```js
Spotlight.show(gallery /*, options */);
```
Pass options declarative via data-attributes in the HTML markup or use the Spotlight API.
> When using markup follow these style: `data-option="value"` (change _option_ and _value_ accordingly), e.g.: ``.
> When using API follow thse style `{ option: value }` (change _option_ and _value_ accordingly), e.g.: `{ preload: false }`.
You can either apply the following data-attributes to the ___spotlight-group___ wrapper element or apply them separately to each ___spotlight___ anchor element (that also overrides inherited group definitions).
When using API the ___spotlight-group___ is represented by the options payload, also you can assign attributes separately to each gallery entry (that also overrides inherited group definitions).
Option
Values
Description
Default
class
string
Set a classname to this gallery instance to apply custom styles besides themes independently.
null
media
"image"
"video"
"node"
Sets the the type of the media which should be added to the page.
image
animation
string
Array<string>
"fade"
"slide"
"scale"
Change animation (use built-ins or custom classname)
Note: Markup as comma-separated list, e.g: data-animation="slide,fade,scale".
slide, fade, scale
control
string
Array<string>
Show/hide control elements as "whitelisted" through a comma-separated list, e.g. data-control="autofit,page,fullscreen"
page, zoom, autofit, fullscreen, close
page
true / false
Show/hide page in the toolbar
true
fullscreen
true / false
Show/hide fullscreen button (automatically hides when not supported by the browser)
true
zoom
true / false
Show/hide both zoom buttons in the toolbar
true
zoom-in
true / false
Show/hide zoom-in button in the toolbar
true
zoom-out
true / false
Show/hide zoom-out button in the toolbar
true
autofit
true / false
Show/hide autofit button in the toolbar
true
close
true / false
Show/hide the close icon in the toolbar
true
theme
true / false
Show/hide theme button
false
play
true / false / number
Show/hide play button. When passing a numeric value it will be used as a delay in seconds between each tick.
false
autoslide
true / false
Autoslide when opening gallery.
false
progress
true / false
Show/hide the animated autoslide progress bar
true
infinite
true / false
Restart from beginning when no slides left
false
autohide
true / false / number
Enable/disable automatically hide controls when inactive, also set cooldown time in seconds.
7
theme
string
"white"
The classname of your custom theme. The theme "white" is a built-in theme.
null
title
string / false
Set image title or hide it
Note: When using image elements, this attribute will also inherit automatically from <img alt="..."> as well as from <img title="...">. To prevent this behavior you can set data-title="false" explicitly. This will hide the title regardless of any image alt-attributes.
null
description
string / false
Set image description or hide it
null
spinner
true / false
Enable/disable the spinner. When disabled the image will not hide until it is fully loaded, that could be useful for progressive jpeg.
true
button
str
Enable/disable a button in the footer section, also set button text.
Note: When using as markup you have to provide a click target for the button or you can assign an onclick callback via options when used programmatically.
null
button-href
str
When using a button as markup you can provide a click target for the button, e.g. <a button="click me" button-href="https://domain.com">.
null
### Additional Image Options
Option
Values
Description
Default
src-{size}
src-1200
src-2400
src-3800
...
The tag/key represents the size of the image longest side. The content contains the path or url to the image (e.g. data-src-800="image_800x400.jpg").
null
preload
true / false
Enable/disable preloading of the next image
true
fit
"contain"
"cover"
Auto-fit the media either as "contain" or as "cover"
contain
download
true / false
Show/hide the download icon in the toolbar
false
### Additional Video Options
Most of these options for a video are inherited by the attributes of a standard video element.
Option
Values
Description
Default
src-{format}
src-webm
src-ogg
src-mp4
...
The tag/key represents the format of the video. The content contains the path or url to the video (e.g. data-src-webm="video.webm").
null
fit
"contain"
"cover"
Auto-fit the media either as "contain" or as "cover"
contain
autoplay
true
false
Start the video immediately.
false
muted
true
false
Start playing as muted.
false
preload
true
false
Preload the video.
false
controls
true
false
Show/hide the video controls.
true
inline
true
false
Make the video player inline (equal to "playsinline").
false
poster
string
The path or URL to the preview image.
null
### API-only Options
Option
Values
Description
Default
index
number
Sets the starting index when showing the gallery by using the Spotlight API. The index starts from 1.
1
onchange
function(index, options)
Pass a callback function which is get fired every time when a page/slide has changed. The first parameter holds the new page index, the second parameter provides the inherited option payload for this page.
Note: The image may not have been fully loaded when the event is fired (preloading phase). The index starts from 1.
null
onshow
onclose
function(index)
These callback functions are called when opening or closing the gallery (the first parameter holds the current page index).
null
onclick
function(index, options)
A callback function which is getting fired when the optional button in the footer sections was clicked. The first parameter holds the current page index, the second parameter provides the inherited option payload for this page.
null
### Example: Options & Group Inheritance (Markup)
```html
```
__Note:__ The 2nd image gets the title "Group title" from the group attributes, on the last image the title is explicitly set to be hidden.
> Control elements and animations has to be __whitelisted__ as a comma-separated list when specified. Do not forget to add the "close" control, otherwise you need to provide another way to close the gallery, e.g. via the button in the footer (see the demo page bottom example).
### Example: Options & Group Inheritance (API)
Same result as above but as code:
```js
Spotlight.show([{
src: "cat1.jpg",
title: "This is a title",
theme: "white"
},{
src: "cat2.jpg",
description: "This is a description",
},{
src: "cat3.jpg",
button: "Click me",
onclick: function(){ alert("clicked"); },
title: "This is also a title"
},{
src: "cat4.jpg",
title: false,
fit: "cover"
}],{
// Group Definitions:
title: "Group title",
animation: "fade",
control: "autofit,close"
});
```
## Adaptive Responsive Images
> This feature will improve overall performance of your page/application a lot, especially for mobile devices and bad internet connections.
You can declare a set of the same image in multiple dimensions and quality. Spotlight will pick the optimal version by taking into account:
1. The browsers max resolution
2. The device screen pixel ratio
3. The available internet connection bandwidth
### Example: Markup
Save your images in several sizes and resolutions and assign the __longest__ dimension of both sides (width, height) like this:
```html
```
When clicked on it Spotlight will pick the optimum choice.
This markup completely falls back to standard browser behavior when something goes wrong, also it is SEO friendly.
### Example: API
Same result as above but as code:
```js
Spotlight.show([{
// the default "href" version as fallback isn't required here
"src-800": "cat1_800.jpg",
"src-1200": "cat1_1200.jpg",
"src-2400": "cat1_2400.jpg",
"src-3800": "cat1_3800.jpg"
}]);
```
## Support Video
> All data-attributes for markup a video is inherited by the attributes of a standard video element.
Considering you want to add a standard video element like this as a slide:
```html
```
### Example: Markup
You need a markup like this to represent the video from above:
```html
```
### Example: API
Same result as above but as code:
```js
Spotlight.show([{
"media": "video",
"src-webm": "video.webm",
"src-ogg": "video.ogv",
"src-mp4": "video.mp4",
"poster": "preview.jpg",
"autoplay": true,
"muted": true,
"preload": true,
"controls": true,
"inline": false
}]);
```
## Custom Controls
> You can add custom controls to the header toolbar by API usage only.
The basic concept is very straight forward. You just need to assign a unique classname along with an event listener. Basically you have to follow these steps.
1. Initialize the Spotlight gallery manually __once__ to make the template available for extensions:
```js
Spotlight.init();
```
The gallery automatically initialize when first time open, so you can also add custom control inside the "onshow" callback.
2. Add the custom control and pass a click handler (returns the button element):
```js
var button = Spotlight.addControl("my-control", function(event){
// handle click event
console.log("button clicked");
});
```
3. Define a CSS class to style your button:
```css
/* your control name will be prefixed by "spl-" automatically */
.spl-my-control{
background-image: url(icon.svg);
background-size: 22px;
}
```
> Important: custom control classes gets always css-prefixed by "spl-" automatically to prevent classname collision!
Removing an added control:
```js
Spotlight.removeControl("my-control");
```
### Advanced Example (Like Button)
Let's take a useful example of dynamically adding a "like button" in the toolbar. You can see a live demo of this example on the demo page (bottom section).
Providing a gallery as normal and add a custom attribute "like", which stores the current like state of each image.
```js
const gallery = [{
src: "image1.jpg",
like: false
},{
src: "image2.jpg",
like: false,
},{
src: "image3.jpg",
like: false
}];
```
Define a CSS class to style your button, e.g.:
```css
/* custom classes are always prefixed by "spl-" automatically */
.spl-like{
background-image: url(heart-outline.svg);
background-size: 22px;
}
/* optionally, additional state to toggle the button: */
.spl-like.on{
background-image: url(heart.svg);
}
```
> Please keep in mind, when your custom control has the name "like" the corresponding classname always gets prefixed by "spl-" and becomes "spl-like" to prevent classname collision. Do not name your control in prefixed style like "spl-like", because that will prefix this also (and becomes "spl-spl-like").
We need some variables to store some state which is used in the callback handler later:
```js
// store the button element to apply dom changes to it
let like;
// store the current index
let slide = 0;
```
Implement a click event handler of the like button, e.g.:
```js
function handler(event){
// get the current like state
// at this point we use the stored last index from the variable "slide"
const current_like_state = !gallery[slide].like;
// toggles the current like state
gallery[slide].like = current_like_state;
// assign the state as class to visually represent the current like state
this.classList.toggle("on");
if(current_like_state){
// do something if liked ...
}
else{
// do something if unliked ...
}
}
```
> The keyword `this` corresponds to the current clicked element (the like icon in this example).
Finally, create the gallery and provide some callbacks to insert the custom control dynamically:
```js
Spotlight.show(gallery, {
// fires when gallery opens
onshow: function(index){
// the method "addControl" returns the new created control element
like = Spotlight.addControl("like", handler);
},
// fires when gallery change to another page
onchange: function(index, options){
// store the current index for the button listener
// the slide index start from 1 (as "page 1")
slide = index - 1;
// initially apply the stored like state when slide is openened
// at this point we use the stored like element
like.classList.toggle("on", gallery[slide].like);
},
// fires when gallery is requested to close
onclose: function(index){
// remove the custom button, so you are able
// to open next gallery without this custom control
Spotlight.removeControl("like");
}
});
```
You did not need to remove the custom control everytime. When all your galleries have this custom control, then simply add the control after you call `Spotlight.init()` once.
Initialize the Spotlight gallery once:
```js
Spotlight.init();
```
Add the custom control once:
```js
like = Spotlight.addControl("like", handler);
```
Open the gallery and just provide an "onchange" handler:
```js
Spotlight.show(gallery, {
onchange: function(index, options){
slide = index - 1;
like.classList.toggle("on", gallery[slide].like);
}
});
```
That is the same custom like button from above example, just shorter but also non-dynamically added for all gallery instances.
## Embedding Node Fragments
> With node fragments you can simply add everything as a slide. This way you can create your own full customized slides with its own interactions inside them.
You can use this feature completely by markup by providing a query selector as "src" which points to a node in your document.
### Using Auto-Mount / Auto-Unmount
> This workaround is also compatible if you are using server-side rendering.
You can use a hidden backstore optionally which holds the fragments to be inserted as a slide, e.g.:
```html
Embedded Node Fragment
Any HTML Content...
```
Provide a __dom query selector__ as "src" which points to a node in your document:
```html
Click here to open
```
When closing the gallery or change the page to another slide, the fragment will automatically move back to its original position (the hidden backstore in this example).
### Custom Slides (API)
You can add nodes as slide which are not part of the document via the API (e.g. fragments, templates, offscreen nodes). Also, you can create an iframe to load extern contents.
#### Example: Youtube Video
You can create your own fragments/templates and add the root node directly as "src":
```js
Spotlight.show([{
media: "node",
src: (function(){
const iframe = document.createElement("iframe");
iframe.src = "https://www.youtube.com/embed/tgbNymZ7vqY";
return iframe;
}())
}]);
```
#### Example: Templating Engine
Or use your preferred templating engine and add the root node as "src":
```js
Mikado(template).mount(root).render(data);
Spotlight.show([{
media: "node",
src: root
}]);
```
Define a gallery group as follows:
```js
var gallery = [{
title: "Image 1",
description: "This is a description.",
src: "gallery/london-1758181.jpg"
},{
title: "Image 2",
description: "This is a description.",
src: "gallery/sea-1975403.jpg"
},{
title: "Image 3",
description: "This is a description.",
src: "gallery/newport-beach-2089906.jpg"
}];
```
Show gallery with default options:
```js
Spotlight.show(gallery);
```
Show gallery with custom options:
```js
Spotlight.show(gallery, {
index: 2,
theme: "white",
autohide: false,
control: ["autofit", "zoom", "close"]
});
```
Close gallery:
```js
Spotlight.close();
```
Next slide:
```js
Spotlight.next();
```
Previous slide:
```js
Spotlight.prev();
```
Goto slide:
```js
Spotlight.goto(3);
```
Zoom to:
```js
Spotlight.zoom(1.5);
```
Toggle theme:
```js
Spotlight.theme();
```
Set theme:
```js
Spotlight.theme("white");
```
```js
Spotlight.theme("dark");
```
Toggle fullscreen:
```js
Spotlight.fullscreen();
```
Set fullscreen:
```js
Spotlight.fullscreen(true);
```
```js
Spotlight.fullscreen(false);
```
Toggle autofit:
```js
Spotlight.autofit();
```
Set autofit:
```js
Spotlight.autofit(true);
```
```js
Spotlight.autofit(false);
```
Toggle menu:
```js
Spotlight.menu();
```
Set menu:
```js
Spotlight.menu(true);
```
```js
Spotlight.menu(false);
```
Download current image:
```js
Spotlight.download();
```
#### Example ES6:
```js
import Spotlight from "./spotlight.js";
Spotlight.show(
[ /* Gallery */ ],
{ /* Options */ }
);
```
You can also import any of the Spotlight methods just as you need:
```js
import { show, close, goto } from "./spotlight.js";
show([/* Gallery */], {/* Options */});
// ....
goto(5);
// ....
close();
```
> Modern build tools will apply dead code elimination when just importing methods your application needs.
To add custom styling just override CSS classes accordingly:
```css
#spotlight { /* main font styles, background */ }
.spl-page { /* current page (toolbar) */ }
.spl-fullscreen { /* button fullscreen (toolbar) */ }
.spl-autofit { /* button autofit (toolbar) */ }
.spl-zoom-out { /* button zoom out (toolbar) */ }
.spl-zoom-in { /* button zoom in (toolbar) */ }
.spl-theme { /* button theme (toolbar) */ }
.spl-play { /* button autoplay (toolbar) */ }
.spl-download { /* button download (toolbar) */ }
.spl-close { /* button close (toolbar) */ }
.spl-prev { /* button page prev */ }
.spl-next { /* button page next */ }
.spl-spinner { /* preloading spinner */ }
.spl-spinner.spin { /* show spinner */ }
.spl-spinner.error { /* show loading error */ }
.spl-title { /* image title */ }
.spl-description { /* image description */ }
.spl-button { /* button footer */ }
.spl-header { /* the header wrapping element */ }
.spl-footer { /* the footer wrapping element */ }
```
__Customize builtin themes__
Use the same classes as above:
```css
#spotlight.white .spl-title{
/* image title in white theme */
}
```
```css
#spotlight{
/* main background in dark theme */
}
```
__Create New Themes__
Define styles, e.g. for the custom theme name "my-theme":
```css
.my-theme .spl-title{
/* image title in custom theme */
}
.my-theme{
/* main background in custom theme */
}
```
Apply custom theme via markdown:
```html
```
Or apply custom theme via API:
```js
Spotlight.show([ /* Gallery */ ],{
theme: "my-theme"
});
```
You could also set themes per image separately:
```js
Spotlight.show([
{ src: "cat1.jpg" }, // default theme
{ src: "cat2.jpg", theme: "my-theme" },
{ src: "cat3.jpg", theme: "white" }
]);
```
#### CSS Class
If you like to apply styles independently besides themes you can simply do that by adding a class during initialization:
```js
Spotlight.show([
{ src: "cat1.jpg" }, // default theme
{ src: "cat2.jpg", theme: "my-theme" },
{ src: "cat3.jpg", theme: "white" }
],{
class: "custom"
});
```
In your stylesheet you can apply you custom styles, .e.g.:
```css
#spotlight.custom .spl-title{
font-size: 15px;
}
```
> Important: The style class for a custom animation describes the __hidden state__ of an image.
You can define your own custom animation by:
1. Define the styles in default state (when image is shown), e.g.:
```css
.spl-pane > *{
filter: grayscale(0);
transition: filter 1s ease-out,
opacity 0.5s ease-out;
}
```
2. Define styles for the __hidden state__ of the transition by adding a custom classname:
```css
.spl-pane .my-animation{
filter: grayscale(1);
opacity: 0;
}
```
Apply custom animation via markdown:
```html
```
Or apply custom animation via API:
```js
Spotlight.show([ /* Gallery */ ],{
animation: "my-animation"
});
```
You could also set animations per image separately:
```js
Spotlight.show([
{ src: "cat1.jpg" }, // default animation
{ src: "cat2.jpg", animation: "my-animation" },
{ src: "cat3.jpg", animation: "slide,fade" }
]);
```
#### Use different animations for galleries
The example above will apply the animation to all instances of your gallery. When you want to add specific animation to each gallery you need to add a `class` in your options:
```js
Spotlight.show([
{ src: "cat1.jpg" },
{ src: "cat2.jpg" },
{ src: "cat3.jpg" }
],{
animation: "my-animation",
class: "custom"
});
```
Then, add your classname (context selector) to your CSS for the ___visible___ state of the animation:
```css
.custom .spl-pane > *{
filter: grayscale(0);
transition: filter 1s ease-out,
opacity 0.5s ease-out;
}
```
Now you can assign different animations to each gallery.
Go to the root directory of Spotlight and run:
```cmd
npm install
```
Perform a build:
```cmd
npm run build
```
The final build is located in the `dist/` folder.
---
Copyright 2019-2021 Nextapps GmbH
Released under the Apache 2.0 License
