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Description

GLightbox is a pure javascript lightbox. It can display images, iframes, inline content and videos with optional autoplay for YouTube, Vimeo and even self hosted videos.

Programming language: JavaScript
License: MIT License
Tags: Modals And Popups     Video     Lightbox     Gallery     Popup    
Latest version: v3.2.0

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README

GLightbox

GLightbox is a pure javascript lightbox. It can display images, iframes, inline content and videos with optional autoplay for YouTube, Vimeo and even self hosted videos.

Features

  • Small - only 11KB Gzipped
  • Fast and Responsive - works with any screen size
  • Gallery Support - Create multiple galleries
  • Response Images Support - Let the browser use the optimal image for the current screen resolution
  • Video Support - Youtube, Vimeo and self hosted videos with autoplay
  • Inline content support - display any inline content
  • Iframe support - need to embed an iframe? no problem
  • Keyboard Navigation - esc, arrows keys, tab and enter is all you need
  • Touch Navigation - mobile touch events
  • Zoomable images - zoom and drag images on mobile and desktop
  • API - control the lightbox with the provided methods
  • Themeable - create your skin or modify the animations with some minor css changes

Live Demo

You can check the live demo right here

Usage

$ npm install glightbox
# OR
$ yarn add glightbox
# OR
$ bower install glightbox
// Using ESM specification
import '/path/to/glightbox.js';

// Using a bundler like webpack
import GLightbox from 'glightbox';

Or manually download and link glightbox.min.js in your HTML:

<link rel="stylesheet" href="dist/css/glightbox.css" />
<script src="dist/js/glightbox.min.js"></script>

<!-- USING A CDN -->

<link rel="stylesheet" href="https://cdn.jsdelivr.net/npm/glightbox/dist/css/glightbox.min.css" />
<script src="https://cdn.jsdelivr.net/gh/mcstudios/glightbox/dist/js/glightbox.min.js"></script>

<script type="text/javascript">
  const lightbox = GLightbox({ ...options });
</script>

<!-- USING ES MODULES -->

<script type="module">
  import 'https://cdn.jsdelivr.net/gh/mcstudios/glightbox/dist/js/glightbox.min.js';

  const lightbox = GLightbox({ ...options });
</script>

Examples

<!-- Simple image -->
<a href="large.jpg" class="glightbox">
  <img src="small.jpg" alt="image" />
</a>

<!-- Video -->
<a href="https://vimeo.com/115041822" class="glightbox2">
  <img src="small.jpg" alt="image" />
</a>

<!-- Gallery -->
<a href="large.jpg" class="glightbox3" data-gallery="gallery1">
  <img src="small.jpg" alt="image" />
</a>
<a href="video.mp4" class="glightbox3" data-gallery="gallery1">
  <img src="small.jpg" alt="image" />
</a>

<!-- Simple Description -->
<a href="large.jpg" class="glightbox4" data-glightbox="title: My title; description: this is the slide description">
  <img src="small.jpg" alt="image" />
</a>

<!-- Advanced Description -->
<a href="large.jpg" class="glightbox5" data-glightbox="title: My title; description: .custom-desc1">
  <img src="small.jpg" alt="image" />
</a>

<div class="glightbox-desc custom-desc1">
  <p>The content of this div will be used as the slide description</p>
  <p>You can add links and any HTML you want</p>
</div>

<!-- URL with no extension -->
<a href="https://picsum.photos/1200/800" data-glightbox="type: image">
  <img src="small.jpg" alt="image" />
</a>
<!-- OR using multiple data attributes -->
<a href="https://picsum.photos/1200/800" data-type="image">
  <img src="small.jpg" alt="image" />
</a>

<!-- Using responsive images: specify sizes and srcset through data attributes in the
     same way you would with the img tag.
     See: https://developer.mozilla.org/en-US/docs/Learn/HTML/Multimedia_and_embedding/Responsive_images -->
<a href="deafult.jpg" class="glightbox6" data-title="Responsive example"
data-description="Your browser will choose the optimal image for the resolution"
data-sizes="(max-width: 600px) 480px, 800px"
data-srcset="img480.jpx 480w img800.jpg 800w">
  <img src="small.jpg" alt="image" />
</a>

Slide Options

You can specify some options to each individual slide, the available options are:

  • title
  • alt
  • description
  • descPosition
  • type
  • effect
  • width
  • height
  • zoomable
  • draggable
<!-- One line config -->
<a href="large.jpg" data-glightbox="title: Your title; description: description here; descPosition: left; type: image; effect: fade; width: 900px; height: auto; zoomable: true; draggable: true;"></a>

<!-- Multiple data attributes / You can use the options as separated data attributes -->
<a
  href="large.jpg"
  data-title="My title"
  data-description="description here"
  data-desc-position="right"
  data-type="image"
  data-effect="fade"
  data-width="900px"
  data-height="auto"
  data-zoomable="true"
  data-draggable="true"
></a>

Lightbox Options

Example use of the options.

const lightbox = GLightbox({
    touchNavigation: true,
    loop: true,
    autoplayVideos: true
});

// Instead of using a selector, define the gallery elements
const myGallery = GLightbox({
    elements: [
        {
            'href': 'https://picsum.photos/1200/800',
            'type': 'image',
            'title': 'My Title',
            'description': 'Example',
        },
        {
            'href': 'https://picsum.photos/1200/800',
            'type': 'image',
            'alt': 'image text alternatives'
        },
        {
            'href': 'https://www.youtube.com/watch?v=Ga6RYejo6Hk',
            'type': 'video',
            'source': 'youtube', //vimeo, youtube or local
            'width': 900,
        },
        {
            'content': '<p>This will append some html inside the slide</p>' // read more in the API section
        },
        {
            'content': document.getElementById('inline-example') // this will append a node inside the slide
        },
    ],
    autoplayVideos: true,
});
myGallery.open();

// If later you need to modify the elements you can use setElements
myGallery.setElements([...]);
Option Type Default Description
selector string .glightbox Name of the selector for example '.glightbox' or 'data-glightbox' or '*[data-glightbox]'
elements array null Instead of passing a selector you can pass all the items that you want in the gallery.
skin string clean Name of the skin, it will add a class to the lightbox so you can style it with css.
openEffect string zoom Name of the effect on lightbox open. (zoom, fade, none)
closeEffect string zoom Name of the effect on lightbox close. (zoom, fade, none)
slideEffect string slide Name of the effect on slide change. (slide, fade, zoom, none)
moreText string See more More text for descriptions on mobile devices.
moreLength number 60 Number of characters to display on the description before adding the moreText link (only for mobiles), if 0 it will display the entire description.
closeButton boolean true Show or hide the close button.
touchNavigation boolean true Enable or disable the touch navigation (swipe).
touchFollowAxis boolean true Image follow axis when dragging on mobile.
keyboardNavigation boolean true Enable or disable the keyboard navigation.
closeOnOutsideClick boolean true Close the lightbox when clicking outside the active slide.
startAt number 0 Start lightbox at defined index.
width number 900px Default width for inline elements and iframes, you can define a specific size on each slide. You can use any unit for example 90% or 100vw for full width
height number 506px Default height for inline elements and iframes, you can define a specific size on each slide.You can use any unit for example 90% or 100vh For inline elements you can set the height to auto.
videosWidth number 960px Default width for videos. Videos are responsive so height is not required. The width can be in px % or even vw for example, 500px, 90% or 100vw for full width videos
descPosition string bottom Global position for slides description, you can define a specific position on each slide (bottom, top, left, right).
loop boolean false Loop slides on end.
zoomable boolean true Enable or disable zoomable images you can also use data-zoomable="false" on individual nodes.
draggable boolean true Enable or disable mouse drag to go prev and next slide (only images and inline content), you can also use data-draggable="false" on individual nodes.
dragToleranceX number 40 Used with draggable. Number of pixels the user has to drag to go to prev or next slide.
dragToleranceY number 65 Used with draggable. Number of pixels the user has to drag up or down to close the lightbox (Set 0 to disable vertical drag).
dragAutoSnap boolean false If true the slide will automatically change to prev/next or close if dragToleranceX or dragToleranceY is reached, otherwise it will wait till the mouse is released.
preload boolean true Enable or disable preloading.
svg object {} Set your own svg icons.
cssEfects object 'See animations' Define or adjust lightbox animations. See the Animations section in the README.
lightboxHTML string 'See themes' You can completely change the html of GLightbox. See the Themeable section in the README.
slideHTML string 'See themes' You can completely change the html of the individual slide. See the Themeable section in the README.
autoplayVideos boolean true Autoplay videos on open.
autofocusVideos boolean false If true video will be focused on play to allow keyboard sortcuts for the player, this will deactivate prev and next arrows to change slide so use it only if you know what you are doing.
plyr object {} View video player options.

Events

You can listen for events using your GLightbox instance (see example under the table). You can use the on() API method or once().

const lightbox = GLightbox();
lightbox.on('open', () => {
  // Do something
});

lightbox.once('slide_changed', () => {
  // Do something just one time
});
Event Type Description
open Provide a function when the lightbox is opened.
close Provide a function when the lightbox is closed.
slide_before_change Trigger a function before the slide is changed.
slide_changed Trigger a function after the slide is changed.
slide_before_load Trigger a function before a slide is loaded for the first time, the function will only be called once
slide_after_load Trigger a function after a slide is loaded and it's content is set for the first time, the function will only be called once
slide_inserted Trigger a function after a slide is inserted using insertSlide.
slide_removed Trigger a function after a slide is removed`
const lightbox = GLightbox();
lightbox.on('slide_before_change', ({ prev, current }) => {
  console.log('Prev slide', prev);
  console.log('Current slide', current);

  // Prev and current are objects that contain the following data
  const { slideIndex, slideNode, slideConfig, player, trigger } = current;

  // slideIndex - the slide index
  // slideNode - the node you can modify
  // slideConfig - will contain the configuration of the slide like title, description, etc.
  // player - the slide player if it exists otherwise will return false
  // trigger - this will contain the element that triggers this slide, this can be a link, a button, etc in your HTML, it can be null if the elements in the gallery were set dinamically
});

lightbox.on('slide_changed', ({ prev, current }) => {
  console.log('Prev slide', prev);
  console.log('Current slide', current);

  // Prev and current are objects that contain the following data
  const { slideIndex, slideNode, slideConfig, player, trigger } = current;

  // slideIndex - the slide index
  // slideNode - the node you can modify
  // slideConfig - will contain the configuration of the slide like title, description, etc.
  // player - the slide player if it exists otherwise will return false
  // trigger - this will contain the element that triggers this slide, this can be a link, a button, etc in your HTML, it can be null if the elements in the gallery were set dinamically

  if (player) {
    if (!player.ready) {
      // If player is not ready
      player.on('ready', (event) => {
        // Do something when video is ready
      });
    }

    player.on('play', (event) => {
      console.log('Started play');
    });

    player.on('volumechange', (event) => {
      console.log('Volume change');
    });

    player.on('ended', (event) => {
      console.log('Video ended');
    });
  }
});

// Useful to modify the slide
// before it's content is added
lightbox.on('slide_before_load', (data) => {
  // data is an object that contain the following
  const { slideIndex, slideNode, slideConfig, player, trigger } = data;

  // slideIndex - the slide index
  // slideNode - the node you can modify
  // slideConfig - will contain the configuration of the slide like title, description, etc.
  // player - the slide player if it exists otherwise will return false
  // trigger - this will contain the element that triggers this slide, this can be a link, a button, etc in your HTML, it can be null if the elements in the gallery were set dinamically
});

// Useful to execute scripts that depends
// on the slide to be ready with all it's content
// and already has a height
// data will contain all the info about the slide
lightbox.on('slide_after_load', (data) => {
  // data is an object that contain the following
  const { slideIndex, slideNode, slideConfig, player, trigger } = data;

  // slideIndex - the slide index
  // slideNode - the node you can modify
  // slideConfig - will contain the configuration of the slide like title, description, etc.
  // player - the slide player if it exists otherwise will return false
  // trigger - this will contain the element that triggers this slide, this can be a link, a button, etc in your HTML, it can be null if the elements in the gallery were set dinamically
});

// Trigger a function when a slide is inserted
lightbox.on('slide_inserted', (data) => {
  // data is an object that contain the following
  const { slideIndex, slideNode, slideConfig, player, trigger } = data;

  // slideIndex - the slide index
  // slideNode - the node you can modify
  // slideConfig - will contain the configuration of the slide like title, description, etc.
  // player - the slide player if it exists otherwise will return false
  // trigger - null
});

// Trigger a function when a slide is removed
lightbox.on('slide_removed', (index) => {
  // index is the position of the element in the gallery
});

Video player

GLightbox includes "Plyr" the best player out there, you can pass any Plyr option to the player, view all available options here Plyr options. GLightbox will only inject the player library if required and only when the lightbox is opened.

Internet Explorer 11. If you need support for this browser you need to set the js url to use the polyfilled version. This is not the default because IE11 is ancient and we need to let it die.

Autoplay for mobile/tablet

Please note, autoplay is blocked in some browsers, there’s nothing we can do to change that unfortunately, the browser will decide if your video can be autoplayed. Please do not post issues about this, instead inform yourself about this topic:

they decide if a video can be autoplayed based in a few rules

plyr: {
    js: 'https://cdn.plyr.io/3.6.2/plyr.polyfilled.js',
    ....
const lightbox = GLightbox({
  plyr: {
    css: 'https://cdn.plyr.io/3.5.6/plyr.css', // Default not required to include
    js: 'https://cdn.plyr.io/3.5.6/plyr.js', // Default not required to include
    config: {
      ratio: '16:9', // or '4:3'
      muted: false,
      hideControls: true,
      youtube: {
        noCookie: true,
        rel: 0,
        showinfo: 0,
        iv_load_policy: 3
      },
      vimeo: {
        byline: false,
        portrait: false,
        title: false,
        speed: true,
        transparent: false
      }
    }
  }
});

API

There are methods, setters and getters on a GLightbox object. The easiest way to access the GLightbox object is to set the return value from your call to a variable. For example:

const lightbox = GLightbox({ ...options });

Methods

Example method use:

lightbox.nextSlide(); // Go to next slide
lightbox.close(); // Close the lightbox
Option Parameters Description
open node Open the lightbox, you can optionally pass a node.
openAt number Open at specific index.
close - Close the lightbox.
reload - Reload the lightbox, after inserting content with ajax.
destroy - Destroy and remove all attached events.
prevSlide - Go to the previous slide.
nextSlide - Go to the next slide.
goToSlide number Index of the slide.
insertSlide object, index Insert a slide at the specified index.
removeSlide index Remove slide at the specified index.
getActiveSlide - Get active slide. It will return the active node.
getActiveSlideIndex - Get active slide. It will return the active slide index.
slidePlayerPlay number Play video in the specified slide.
slidePlayerPause number Pause video in the specified slide.
getSlidePlayerInstance node, index Get the player instance of the specified slide.
getAllPlayers - Get all players instance.
setElements [] Update the lightbox gallery elements.
on string, function Set an event listener. See Events section
once string, function Set an event listener that will be triggered only once. See Events section
// Example set custom gallery items
// This overwrites all the items in the gallery
lightbox.setElements([
  {
    'href': 'https://picsum.photos/1200/800',
    'type': 'image' // Type is only required if GLightbox fails to know what kind of content should display
  },
  {
    'href': 'https://www.youtube.com/watch?v=Ga6RYejo6Hk',
    'type': 'video', // Type is only required if GLightbox fails to know what kind of content should display
    'width': '900px',
  },
  {
    'content': '<p>some html to append in the slide</p>',
    'width': '900px',
  }
]);


// Insert a single slide at the end of all the items,
lightbox.insertSlide({
    href: 'video url...',
    width: '90vw'
});

// Insert a single slide at index 2 or pass 0 to add it at the start
lightbox.insertSlide({
    href: 'video url...',
    width: '90vw'
}, 2);

// You can insert a slide with a defined html
lightbox.insertSlide({
    content: '<p>some html to append in the slide</p>',
    width: '90vw'
}, 2);

// Or if you prefer you can pass a node
// and it will be inserted in the slide
lightbox.insertSlide({
    content: document.getElementById('inline-example'),
    width: '90vw'
}, 2);

// Remove the slide at index 2
lightbox.removeSlide(2);

// Open the lightbox
lightbox.open();

// You can also open the lightbox at a specific index
lightbox.openAt(2);

// So imagine that you are making an ajax request that returns some html
// You can create an empty instance and append the content once is returned

const ajaxExample = GLightbox({ selector: null }); // or you can set the selector empty selector: ''

doAjaxCall({...}).then(response => {
    ajaxExample.insertSlide({
        width: '500px',
        content: response.html
    });
    ajaxExample.open();
})

// Or you could use the set elements method to empty all the slides if any

doAjaxCall({...}).then(response => {
    ajaxExample.setElements([
      {
        content: response.html
      }
    ]);
    ajaxExample.open();
})

Animations

Animations are created with CSS, each effect has an in and out value and they are used to attach the correct classes to the node.

For example if you are using

const glightbox = GLightbox({
  openEffect: 'zoom',
  closeEffect: 'fade',
  cssEfects: {
    // This are some of the animations included, no need to overwrite
    fade: { in: 'fadeIn', out: 'fadeOut' },
    zoom: { in: 'zoomIn', out: 'zoomOut' }
  }
});

The open effect will use cssEfects.zoom.in and will add the class gzoomIn, if you take a look at the CSS you'll see:

.gzoomIn {
    animation: gzoomIn .5s ease;
}

@keyframes gzoomIn {
    from {
        opacity: 0;
        transform: scale3d(.3, .3, .3);
    }
    to {
        opacity: 1;
    }
}

Adding a custom animation

You can create any animation you want, you can find some inspiration in the Animate.css library, for example you can add the bounce animation like this:

const glightbox = GLightbox({
  openEffect: 'bounce', // Define that we want the bounce animation on open
  cssEfects: {
    // register our new animation
    bounce: { in: 'bounceIn', out: 'bounceOut' }
  }
});
/*A g will be appended to the animation name so bounceIn will become gbounceIn */
.gbounceIn {
  animation: bounceIn 1.3s ease;
}

@keyframes bounceIn {
  from,
  20%,
  40%,
  60%,
  80%,
  to {
    animation-timing-function: cubic-bezier(0.215, 0.61, 0.355, 1);
  }

  0% {
    opacity: 0;
    transform: scale3d(0.3, 0.3, 0.3);
  }

  20% {
    transform: scale3d(1.1, 1.1, 1.1);
  }

  40% {
    transform: scale3d(0.9, 0.9, 0.9);
  }

  60% {
    opacity: 1;
    transform: scale3d(1.03, 1.03, 1.03);
  }

  80% {
    transform: scale3d(0.97, 0.97, 0.97);
  }

  to {
    opacity: 1;
    transform: scale3d(1, 1, 1);
  }
}

Themeable

You can completely customize the structure of GLightbox and use CSS to change any part you want.

const customLightboxHTML = `<div id="glightbox-body" class="glightbox-container">
    <div class="gloader visible"></div>
    <div class="goverlay"></div>
    <div class="gcontainer">
    <div id="glightbox-slider" class="gslider"></div>
    <button class="gnext gbtn" tabindex="0" aria-label="Next" data-customattribute="example">{nextSVG}</button>
    <button class="gprev gbtn" tabindex="1" aria-label="Previous">{prevSVG}</button>
    <button class="gclose gbtn" tabindex="2" aria-label="Close">{closeSVG}</button>
</div>
</div>`;

let customSlideHTML = `<div class="gslide">
    <div class="gslide-inner-content">
        <div class="ginner-container">
            <div class="gslide-media">
            </div>
            <div class="gslide-description">
                <div class="gdesc-inner">
                    <h4 class="gslide-title"></h4>
                    <div class="gslide-desc"></div>
                </div>
            </div>
        </div>
    </div>
</div>`;

const glightbox = GLightbox({
  lightboxHTML: customLightboxHTML,
  slideHTML: customSlideHTML,
  skin: 'supercool'
});

You can also define a skin name and the lightbox will append the class name "glightbox-supercool" so you can customize it with CSS, this will leave a barebones structure so you can change the buttons appearance, etc.

Development

$ npm install
$ npm run watch

Browser Support

GLightbox was tested in the following browsers.

  • Safari
  • Mobile Safari
  • Opera
  • Edge
  • Firefox
  • Internet Explorer 11

It will work in any browser that supports CSS Flexbox

Contributing

Feel free to report any issues! If you wish to contribute by fixing a bug or implementing a new feature, please first read the [CONTRIBUTING](./CONTRIBUTING.md) guide.

Donate

If you find this code useful, please consider a donation to keep this project growing, any amount is appreciated.

paypal

Support

We only provide support for bugs and feature requests, so please only post issues about this two topics, if you need help implementing GLightbox or you are just starting with HTML/CSS/Javascript please use stackoverlow, you'll be able to find more help there. This will help us to keep the issues related to the library and solve issues faster.

Changelog

Latest version vundefined

See the [CHANGELOG.md](CHANGELOG.md) file for details

License

This project is licensed under the MIT License - see the [LICENSE.md](LICENSE.md) file for details


*Note that all licence references and agreements mentioned in the GLightbox README section above are relevant to that project's source code only.