next-image-slider v1.0.2

Next Image Slider

Note: Forked form react-image-gallery

• Added Support for Next JS with <Image> tag from next/image

Live Demo (try it on mobile for swipe support)

linxtion.com/demo/react-image-gallery

Next image gallery is a React component for building image galleries and carousels, it uses Next JS <Image> tag from next/image.

Features

• Mobile swipe gestures
• Thumbnail navigation
• Fullscreen support
• Custom rendered slides
• RTL support
• Responsive design
• Tons of customization options (see props below)
• Uses Next JS built in tag <Image> from next/image and thereby provide support for image optimization.

Getting started

Next Image Gallery requires React 16.0.0 or later. and Next 12.1.6 or later.

npm install next-image-gallery

Style import (with webpack)

# SCSS
@import "~next-image-gallery/styles/scss/image-gallery.scss";

# CSS
@import "~next-image-gallery/styles/css/image-gallery.css";

Example

Need more example? See example/app.js

import ImageGallery from "next-image-gallery";

const images = [
  {
    original: "https://picsum.photos/id/1018/1000/600/",
    thumbnail: "https://picsum.photos/id/1018/250/150/",
    originalWidth: 1000,
    originalHeight: 600,
    thumbnailWidth: 250,
    thumbnailHeight: 150,
  },
  {
    original: "https://picsum.photos/id/1015/1000/600/",
    thumbnail: "https://picsum.photos/id/1015/250/150/",
    originalWidth: 1000,
    originalHeight: 600,
    thumbnailWidth: 250,
    thumbnailHeight: 150,
  },
  {
    original: "https://picsum.photos/id/1019/1000/600/",
    thumbnail: "https://picsum.photos/id/1019/250/150/",
    originalWidth: 1000,
    originalHeight: 600,
    thumbnailWidth: 250,
    thumbnailHeight: 150,
  },
];

class MyGallery extends React.Component {
  render() {
    return <ImageGallery items={images} />;
  }
}

Props

• items: (required) Array of objects, see example above,
  • Available Properties
    • original - image src url
    • thumbnail - image thumbnail src url
    • fullscreen - image for fullscreen (defaults to original)
    • originalHeight - image height (html5 attribute), It is mandatory as next/image need this parameter for optimization
    • originalWidth - image width (html5 attribute), It is mandatory as next/image need this parameter for optimization
    • loading - image loading. Either "lazy" or "eager" (html5 attribute)
    • thumbnailHeight - image height (html5 attribute), It is mandatory as next/image need this parameter for optimization
    • thumbnailWidth - image width (html5 attribute), It is mandatory as next/image need this parameter for optimization
    • thumbnailLoading - image loading. Either "lazy" or "eager" (html5 attribute)
    • originalClass - custom image class
    • thumbnailClass - custom thumbnail class
    • renderItem - Function for custom rendering a specific slide (see renderItem below)
    • renderThumbInner - Function for custom thumbnail renderer (see renderThumbInner below)
    • originalAlt - image alt
    • thumbnailAlt - thumbnail image alt
    • originalTitle - image title
    • thumbnailTitle - thumbnail image title
    • thumbnailLabel - label for thumbnail
    • description - description for image
    • srcSet - image srcset (html5 attribute)
    • sizes - image sizes (html5 attribute)
    • bulletClass - extra class for the bullet of the item
• infinite: Boolean, default true
  • infinite sliding
• lazyLoad: Boolean, default false
• showNav: Boolean, default true
• showThumbnails: Boolean, default true
• thumbnailPosition: String, default bottom
  • available positions: top, right, bottom, left
• showFullscreenButton: Boolean, default true
• useBrowserFullscreen: Boolean, default true
  • if false, fullscreen will be done via css within the browser
• useTranslate3D: Boolean, default true
  • if false, will use translate instead of translate3d css property to transition slides
• showPlayButton: Boolean, default true
• isRTL: Boolean, default false
  • if true, gallery's direction will be from right-to-left (to support right-to-left languages)
• showBullets: Boolean, default false
• showIndex: Boolean, default false
• autoPlay: Boolean, default false
• disableThumbnailScroll: Boolean, default false
  • disables the thumbnail container from adjusting
• disableKeyDown: Boolean, default false
  • disables keydown listener for keyboard shortcuts (left arrow, right arrow, esc key)
• disableSwipe: Boolean, default false
• disableThumbnailSwipe: Boolean, default false
• onErrorImageURL: String, default undefined
  • an image src pointing to your default image if an image fails to load
  • handles both slide image, and thumbnail image
• indexSeparator: String, default ' / ', ignored if showIndex is false
• slideDuration: Number, default 450
  • transition duration during image slide in milliseconds
• swipingTransitionDuration: Number, default 0
  • transition duration while swiping in milliseconds
• slideInterval: Number, default 3000
• slideOnThumbnailOver: Boolean, default false
• flickThreshold: Number (float), default 0.4
  • Determines the max velocity of a swipe before it's considered a flick (lower = more sensitive)
• swipeThreshold: Number, default 30
  • A percentage of how far the offset of the current slide is swiped to trigger a slide event. e.g. If the current slide is swiped less than 30% to the left or right, it will not trigger a slide event.
• stopPropagation: Boolean, default false
  • Automatically calls stopPropagation on all 'swipe' events.
• startIndex: Number, default 0
• onImageError: Function, callback(event)
  • overrides onErrorImage
• onThumbnailError: Function, callback(event)
  • overrides onErrorImage
• onThumbnailClick: Function, callback(event, index)
• onBulletClick: Function, callback(event, index)
• onImageLoad: Function, callback(event)
• onSlide: Function, callback(currentIndex)
• onBeforeSlide: Function, callback(nextIndex)
• onScreenChange: Function, callback(boolean)
  • When fullscreen is toggled a boolean is passed to the callback
• onPause: Function, callback(currentIndex)
• onPlay: Function, callback(currentIndex)
• onClick: Function, callback(event)
• onTouchMove: Function, callback(event) on gallery slide
• onTouchEnd: Function, callback(event) on gallery slide
• onTouchStart: Function, callback(event) on gallery slide
• onMouseOver: Function, callback(event) on gallery slide
• onMouseLeave: Function, callback(event) on gallery slide
• additionalClass: String,
  • Additional class that will be added to the root node of the component.
• renderCustomControls: Function, custom controls rendering
  • Use this to render custom controls or other elements on the currently displayed image (like the fullscreen button)

    _renderCustomControls() {
      return <a href='' className='image-gallery-custom-action' onClick={this._customAction.bind(this)}/>
    }

• renderItem: Function, custom item rendering
  • NOTE: Highly suggest looking into a render cache such as React.memo if you plan to override renderItem
  • On a specific item [{thumbnail: '...', renderItem: this.myRenderItem}]
  • As a prop passed into ImageGallery to completely override renderItem, see source for renderItem implementation

• renderThumbInner: Function, custom thumbnail rendering

  • On a specific item [{thumbnail: '...', renderThumbInner: this.myRenderThumbInner}]
  • As a prop passed into ImageGallery to completely override _renderThumbInner, see source for reference

• renderLeftNav: Function, custom left nav component

  • See <LeftNav />
  • Use this to render a custom left nav control
  • Args:
    • onClick callback that will slide to the previous item
    • disabled boolean for when the nav is disabled

  renderLeftNav: (onClick, disabled) => (
    <LeftNav onClick={onClick} disabled={disabled} />
  );

• renderRightNav: Function, custom right nav component
  • See <RightNav />
  • Use this to render a custom right nav control
  • Args:
    • onClick callback that will slide to the next item
    • disabled boolean for when the nav is disabled

  renderRightNav: (onClick, disabled) => (
    <RightNav onClick={onClick} disabled={disabled} />
  );

• renderPlayPauseButton: Function, play pause button component
  • See <PlayPause />
  • Use this to render a custom play pause button
  • Args:
    • onClick callback that will toggle play/pause
    • isPlaying boolean for when gallery is playing

  renderPlayPauseButton: (onClick, isPlaying) => (
    <PlayPause onClick={onClick} isPlaying={isPlaying} />
  );

• renderFullscreenButton: Function, custom fullscreen button component
  • See <Fullscreen />
  • Use this to render a custom fullscreen button
  • Args:
    • onClick callback that will toggle fullscreen
    • isFullscreen argument for when fullscreen is active

    renderFullscreenButton: (onClick, isFullscreen) => (
      <Fullscreen onClick={onClick} isFullscreen={isFullscreen} />
    ),

• useWindowKeyDown: Boolean, default true
  • If true, listens to keydown events on window (window.addEventListener)
  • If false, listens to keydown events on image gallery element (imageGalleryElement.addEventListener)

Functions

The following functions can be accessed using refs

• play(): plays the slides
• pause(): pauses the slides
• toggleFullScreen(): toggles full screen
• slideToIndex(index): slides to a specific index
• getCurrentIndex(): returns the current index

Contributing

Each pull request (PR) should be specific and isolated to the issue you're trying to fix. Please do not stack features, chores, refactors, or enhancements in one PR. Describe your feature/implementation in the PR. If you're unsure whether it's useful or if it involves a major change, please open an issue first and seek feedback.

• Follow eslint provided
• Comment your code
• Write clean code

Build the example locally (requires node >= 12.13)

git clone https://github.com/sangeethkumarsg/next-image-gallery.git
cd next-image-gallery
npm install --global yarn
yarn install
yarn start

Then open localhost:8001 in a browser.

License

MIT