flipping-pages

React component for flipping book pages animation

Demo

https://namannehra.github.io/flipping-pages/

Installation

Supported React versions: ^16.14.0 || ^17.0.0 || ^18.0.0

NPM

npm install flipping-pages

Yarn

yarn add flipping-pages

Example

App.js

import { FlippingPages } from 'flipping-pages';
import 'flipping-pages/dist/style.css';
import { useState } from 'react';

import './App.css';

const App = () => {
    const [selected, setSelected] = useState(0);

    const back = () => {
        setSelected(selected => Math.max(selected - 1, 0));
    };

    const next = () => {
        setSelected(selected => Math.min(selected + 1, 2));
    };

    return (
        <div>
            <div className="pages">
                <FlippingPages
                    direction="bottom-to-top"
                    onSwipeEnd={setSelected}
                    selected={selected}
                >
                    <div className="page page1">Page 1</div>
                    <div className="page page2">Page 2</div>
                    <div className="page page3">Page 3</div>
                </FlippingPages>
            </div>
            <button onClick={back}>Back</button>
            <button onClick={next}>Next</button>
        </div>
    );
};

export default App;

App.css

.pages {
    height: 256px;
    width: 256px;
}

.page {
    height: 100%;
    width: 100%;
    user-select: none;
    touch-action: none;
}

.page1 {
    background-color: pink;
}

.page2 {
    background-color: yellow;
}

.page3 {
    background-color: aqua;
}

Props

Name (* = Required)	Type	Default
animationDuration	number	400
children	ReactNode
containerProps	HTMLAttributes<HTMLDivElement>
containerRef	Ref<HTMLDivElement>
direction*	'bottom-to-top' | 'top-to-bottom' | 'left-to-right' | 'right-to-left'
disableSwipe	boolean	false
noSwipeClass	string
onAnimationEnd	() => void
onAnimationStart	() => void
onAnimationTurn	(selected: number) => void
onOverSwipe	(overSwipe: number) => number	overSwipe => overSwipe / 4
onSwipeEnd	(selected: number) => void
onSwipeStart	(event: PointerEvent<HTMLDivElement>) => boolean	event => event.isPrimary
onSwipeTurn	(selected: number) => void
perspectiveMultiplier	number	2
selected*	number
shadowBackground	string	'rgb(0, 0, 0, 0.25)'
shadowComponent	Component<ShadowProps>
swipeLength	number	400
swipeSpeed	number	0.1
willChange	boolean | 'auto'	'auto'

animationDuration

number

Time in milliseconds for one page turn. Set to 0 to disable animation.

children

ReactNode

Each child is rendered on a separate page.

containerProps

HTMLAttributes<HTMLDivElement>

Props passed to the root element.

containerRef

Ref<HTMLDivElement>

Ref for the root element.

direction*

'bottom-to-top' | 'top-to-bottom' | 'left-to-right' | 'right-to-left'

Direction of page turn.

disableSwipe

boolean

Disables page turning by swiping.

noSwipeClass

string

Elements with this class (or their descendants) will not trigger page turn by swiping.

onAnimationEnd

() => void

Called after page turning animation ends.

onAnimationStart

() => void

Called after page turning animation starts.

onAnimationTurn

(selected: number) => void

Called on each tick of page turning animation. selected is the page index in decimal. Uses requestAnimationFrame.

onOverSwipe

(overSwipe: number) => number

Called when swiping back on the first page or next on the last page. overSwipe is between 0 and 1. Return value determines how page turning is throttled.

onSwipeEnd

(selected: number) => void

Called after swiping ends. selected is the page index to which user swiped.

onSwipeStart

(event: PointerEvent<HTMLDivElement>) => boolean

Called before swipe starts. event is a pointerdown event. Swipe starts only if true is returned. This can be used to disable swiping for certain pointer types like mouse.

onSwipeTurn

(selected: number) => void

Called on each tick of swipe turn. selected is the page index in decimal.

perspectiveMultiplier

number

Value of CSS perspective is calculated by multiplying perspectiveMultiplier with the size of the root element. Size is height or width depending on direction. perspective can be set manually using containerProps.style.perspective.

selected*

number

Index of the current page. Decimal values are supported.

shadowBackground

string

Pages have a shadow when they are turning. Shadow has 0 opacity when page is resting and 1 opacity when page is half turned. shadowBackground is used for CSS background of the shadow element.

shadowComponent

Component<ShadowProps>

ShadowProps

Name (* = Required)	Type
selected*	number
willChange*	boolean

Component to use as page shadow.

swipeLength

number

The distance in pixels user must swipe to completely one page turn.

swipeSpeed

number

Minimum speed in pixels per milliseconds to turn the page after a swipe.

willChange

boolean | 'auto'

Sets CSS will-change on turning page and shadow. If 'auto' then will-change is applied during turning animation and swiping.

Notes

user-select

You can set CSS user-select to prevent text selection when swiping using a mouse.

touch-action

You can set CSS touch-action to prevent page scrolling when swiping using a touch screen.

State is not synced

The web platform doesn't have a way to bend an element in half. To achieve this effect, this component renders each page twice. For the first render, only the first half of the page is visible. For the second render, only the last half of the page is visible. Then these halves are rotated independently to achieve the page turning effect.

If a child component has internal state then that state will not be synced between both the page renders. The same also applies to uncontrolled components.

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