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

mkilp/react-image-magnify