react-image-magnify

A responsive React image zoom component for touch and mouse.
Designed for shopping site product detail.
Features Include:

• In-place and side-by-side image enlargement
• Positive or negative space guide lens options
• Interaction hint
• Configurable enlarged image dimensions
• Optional enlarged image external render
• Hover intent
• Long-press gesture
• Fade transitions
• Basic react-slick carousel support

Status

Demo

Please visit the react-image-magnify demo site
Experiment with react-image-magnify live on CodePen. Use the Change View button to select editing mode or for different layout options. Use the Fork button to save your changes.

Installation

npm install react-image-magnify

Usage

If you are upgrading from v1x to v2x, please see the release notes.

import ReactImageMagnify from 'react-image-magnify';
...
<ReactImageMagnify {...{
    smallImage: {
        alt: 'Wristwatch by Ted Baker London',
        isFluidWidth: true,
        src: watchImg300
    },
    largeImage: {
        src: watchImg1200,
        width: 1200,
        height: 1800
    }
}} />
...

See more usage examples in the example project.

Required Props

| Prop | Type | Default | Description | |-----------------------------|--------|---------|--------------------------------| | smallImage | Object | N/A | Small image information. See Small Image below.| | largeImage | Object | N/A | Large image information. See Large Image below.|

Optional Styling Props

| Prop | Type | Default | Description | |-----------------------------|--------|---------|---------------------------------| | className | String | N/A | CSS class applied to root container element. | | style | Object | N/A | Style applied to root container element. | | imageClassName | String | N/A | CSS class applied to small image element. | | imageStyle | Object | N/A | Style applied to small image element. | | lensStyle | Object | N/A | Style applied to tinted lens. | | enlargedImageContainerClassName| String | N/A | CSS class applied to enlarged image container element. | | enlargedImageContainerStyle | Object | N/A | Style applied to enlarged image container element. | | enlargedImageClassName | String | N/A | CSS class applied to enlarged image element. | | enlargedImageStyle | Object | N/A | Style applied to enlarged image element.|

Optional Interaction Props

| Prop | Type | Default | Description | |-----------------------------|--------|-------|---------------------------------| | fadeDurationInMs | Number | 300 | Milliseconds duration of magnified image fade in/fade out. | | hoverDelayInMs | Number | 250 | Milliseconds to delay hover trigger. | | hoverOffDelayInMs | Number | 150 | Milliseconds to delay hover-off trigger. | | isActivatedOnTouch | Boolean| false | Activate magnification immediately on touch. May impact scrolling.| | pressDuration | Number | 500 | Milliseconds to delay long-press activation (long touch). | | pressMoveThreshold | Number | 5 | Pixels of movement allowed during long-press activation. |

Optional Behavioral Props

| Prop | Type | Default | Description | |-----------------------------|--------|-------|---------------------------------| | enlargedImagePosition | String |beside (over for touch)| Enlarged image placement. Can be 'beside' or 'over'.| | enlargedImageContainerDimensions | Object | {width: '100%', height: '100%'} | Specify enlarged image container dimensions as an object with width and height properties. Values may be expressed as a percentage (e.g. '150%') or a number (e.g. 200). Percentage is based on small image dimension. Number is pixels. Not applied when enlargedImagePosition is set to 'over', the default for touch input. | | enlargedImagePortalId | String | N/A | Render enlarged image into an HTML element of your choosing by specifying the target element id. Requires React v16. Ignored for touch input by default - see isEnlargedImagePortalEnabledForTouch.| | isEnlargedImagePortalEnabledForTouch | Boolean | false | Specify portal rendering should be honored for touch input. | | hintComponent |Function|(Provided)| Reference to a component class or functional component. A Default is provided.| | shouldHideHintAfterFirstActivation| Boolean | true | Only show hint until the first interaction begins. | | isHintEnabled | Boolean| false | Enable hint feature. | | hintTextMouse | String |Hover to Zoom| Hint text for mouse. | | hintTextTouch | String |Long-Touch to Zoom| Hint text for touch. | | shouldUsePositiveSpaceLens | Boolean| false | Specify a positive space lens in place of the default negative space lens. | | lensComponent | Function | (Provided) | Specify a custom lens component. |

Small Image

{
    src: String, (required)
    srcSet: String,
    sizes: String,
    width: Number, (required if isFluidWidth is not set)
    height: Number, (required if isFluidWidth is not set)
    isFluidWidth: Boolean, (default false)
    alt: String,
    onLoad: Function,
    onError: Function
}

For more information on responsive images, please try these resources:
Responsive Images 101
Responsive Images - The srcset and sizes Attributes

Large Image

{
    src: String, (required)
    srcSet: String,
    sizes: String,
    width: Number, (required)
    height: Number, (required)
    alt: String, (defaults to empty string)
    onLoad: Function,
    onError: Function
}

Support

Please open an issue.

Example Project

git clone https://github.com/ethanselzer/react-image-magnify.git
cd react-image-magnify
npm install
npm run build
cd example
yarn
yarn start

If your default browser does not start automatically, open a new browser window and go to localhost:3000

Development

git clone https://github.com/ethanselzer/react-image-magnify.git
cd react-image-magnify
npm install
npm run #See available commands

The Example Project may be used in development.
To rebuild the source automatically when changes are made, run yarn run build-watch.

Contributing

Please contribute using Github Flow. Create a branch, add commits, and open a pull request.

Attribution

Thanks to the following community members for opening Issues and Pull Requests.
@damien916
@colepatrickturner
@andreatosatto90
@nathanziarek
@hombrew
@smashercosmo
@sk1e
@vidries
@ionutzp
@sbloedel
@spiderbites
@Akarshit
@eddy20vt
@evannoronha
@benjaminadk
@nilsklimm
@m4recek
@yaser-ali-vp
@carlgunderson
@tojvan
@kskonecka
@Coriou
You are awesome! ✨💫

License

MIT