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| Original file line number | Diff line number | Diff line change |
|---|---|---|
| @@ -0,0 +1,193 @@ | ||
| /* eslint-disable no-console */ | ||
| // https://dev.to/tannerhallman/using-usepopper-to-create-a-practical-dropdown-5bf8 | ||
| import React from 'react'; | ||
| import ReactDOM from 'react-dom'; | ||
| import { Placement } from '@popperjs/core'; | ||
| import { Popper as ReactPopper } from 'react-popper'; | ||
| import { CSSTransitionProps } from 'react-transition-group/CSSTransition'; | ||
| import { CSSTransition } from 'react-transition-group'; | ||
| import merge from 'lodash/merge'; | ||
| import { useTheme } from '@emotion/react'; | ||
| import { isBrowser, useDidMount, useDidUpdate, usePrevious } from 'src/utils'; | ||
|
|
||
| export type PopperContentProps = React.HTMLAttributes<HTMLDivElement> & { | ||
| arrow?: boolean; | ||
| arrowClassName?: string; | ||
| className?: string; | ||
| fallbackPlacements?: Array<Placement>; | ||
| inline?: boolean; | ||
| log?: boolean; | ||
| open?: boolean; | ||
| placement?: Placement; | ||
| target: HTMLElement | SVGElement; | ||
| transition?: CSSTransitionProps; | ||
| }; | ||
|
|
||
| type State = { | ||
| open: boolean; | ||
| }; | ||
|
|
||
| const PopperContent = React.forwardRef<HTMLElement, PopperContentProps>((props, ref) => { | ||
| const { | ||
| arrow = true, | ||
| arrowClassName, | ||
| children, | ||
| className, | ||
| fallbackPlacements = [ | ||
| 'top', | ||
| 'top-start', | ||
| 'top-end', | ||
| 'right', | ||
| 'right-start', | ||
| 'right-end', | ||
| 'bottom', | ||
| 'bottom-start', | ||
| 'bottom-end', | ||
| 'left', | ||
| 'left-start', | ||
| 'left-end', | ||
| ], | ||
| inline = false, | ||
| log = false, | ||
| open = false, | ||
| placement = 'auto', | ||
| target, | ||
| transition: _transition, | ||
| ...rest | ||
| } = props; | ||
| const [state, setState] = React.useState<State>({ open: false }); | ||
| const theme = useTheme(); | ||
| const prevProps = usePrevious<PopperContentProps>(props); | ||
| const elementRef = React.useRef<HTMLDivElement>(null); | ||
| const transitionDefault: CSSTransitionProps = { | ||
| appear: true, | ||
| enter: true, | ||
| exit: true, | ||
| timeout: theme.animation.timing.normal, | ||
| classNames: { | ||
| appear: 'appear', | ||
| appearActive: 'appear-active', | ||
| appearDone: 'appear-done', | ||
| enter: 'enter', | ||
| enterActive: 'enter-active', | ||
| enterDone: 'enter-done', | ||
| exit: 'exit', | ||
| exitActive: 'exit-active', | ||
| exitDone: 'exit-done', | ||
| }, | ||
| }; | ||
| const transition = merge(transitionDefault, _transition); | ||
|
|
||
| useDidMount(() => { | ||
| if (open) { | ||
| setState({ open: true }); | ||
| } | ||
| const element = elementRef.current; | ||
| if (element && element.childNodes && element.childNodes[0]) { | ||
| const childNodes = element.childNodes[0] as HTMLElement | null; | ||
| if (childNodes && 'focus' in childNodes) { | ||
| childNodes.focus(); | ||
| } | ||
| } | ||
| }); | ||
|
|
||
| useDidUpdate(() => { | ||
| if (prevProps && !prevProps.open && open) { | ||
| setState({ open: true }); | ||
| } | ||
| }, [open]); | ||
|
|
||
| const handleTransitionExited = (node: HTMLElement) => { | ||
| setState({ open: false }); | ||
| transition.onExited && transition.onExited(node); | ||
| }; | ||
|
|
||
| const renderChildren = () => { | ||
| return ( | ||
| <CSSTransition {...transition} onExited={handleTransitionExited} in={open}> | ||
| <ReactPopper | ||
| innerRef={ref} | ||
| referenceElement={target} | ||
| placement={placement} | ||
| modifiers={[ | ||
| { | ||
| name: 'offset', | ||
| phase: 'main', | ||
| options: { | ||
| offset: [0, 0], | ||
| }, | ||
| }, | ||
| { | ||
| name: 'flip', | ||
| phase: 'main', | ||
| options: { | ||
| fallbackPlacements, | ||
| }, | ||
| }, | ||
| { | ||
| name: 'computeStyles', | ||
| phase: 'beforeWrite', | ||
| options: { | ||
| gpuAcceleration: false, | ||
| adaptive: false, | ||
| }, | ||
| }, | ||
| { | ||
| name: 'topLogger', | ||
| enabled: log, | ||
| phase: 'main', | ||
| fn({ state: _state }) { | ||
| console.log('popper state:', _state); | ||
| }, | ||
| }, | ||
| { | ||
| name: 'applyArrowEdge', | ||
| enabled: true, | ||
| phase: 'write', | ||
| fn({ state: _state }) { | ||
| const { arrow: _arrow } = _state.elements; | ||
|
|
||
| if (_arrow) { | ||
| if (_state.modifiersData.arrow && _state.modifiersData.arrow.centerOffset !== 0) { | ||
| _arrow.setAttribute('data-edge', ''); | ||
| } else { | ||
| _arrow.removeAttribute('data-edge'); | ||
| } | ||
| } | ||
| }, | ||
| }, | ||
| ]} | ||
| > | ||
| {({ ref: popperRef, style, placement: _placement, arrowProps }) => { | ||
| return ( | ||
| <div | ||
| {...rest} | ||
| ref={popperRef} | ||
| className={className} | ||
| style={style} | ||
| data-placement={_placement} | ||
| > | ||
| {children} | ||
| {arrow && ( | ||
| <div ref={arrowProps.ref} className={arrowClassName} style={arrowProps.style} /> | ||
| )} | ||
| </div> | ||
| ); | ||
| }} | ||
| </ReactPopper> | ||
| </CSSTransition> | ||
| ); | ||
| }; | ||
|
|
||
| if (isBrowser && state.open) { | ||
| if (inline) { | ||
| return renderChildren(); | ||
| } else { | ||
| return ReactDOM.createPortal(<div ref={elementRef}>{renderChildren()}</div>, document.body); | ||
| } | ||
| } | ||
|
|
||
| return null; | ||
| }); | ||
|
|
||
| export default PopperContent; |
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