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/
index.tsx
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/
index.tsx
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import { omit, omitBy } from 'lodash-es'
import { isValidMotionProp, type motion } from 'framer-motion'
import { htmlElements, svgElements } from './support-elements'
import { useFramerMotion } from '@/hooks/framer-motion'
import type { FramerMotionModules } from '@/hooks/framer-motion'
export interface LazyFramerMotionAction<Dom extends HTMLElement = any> {
getDom: () => Dom | null
}
export interface LazyFramerMotionChildrenProps<Dom extends HTMLElement = any>
extends Omit<FramerMotionModules, 'motion'> {
m: typeof motion
domRef: React.RefObject<Dom>
fallbackDom: React.ReactNode
}
export interface LazyFramerMotionFallbackProps<Dom extends HTMLElement = any> {
m: typeof motion
domRef: React.RefObject<Dom>
}
export interface LazyFramerMotionProps<Dom extends HTMLElement = any> {
/**
* Render fallback only, you can use it for:
*
* - Debug for fallback dom
* - Wait some state ready to use
* - No others modules deps, except `motion` module
*/
fallbackOnly?: boolean
fallback?:
| React.ReactNode
| ((props: LazyFramerMotionFallbackProps<Dom>) => React.ReactNode)
actionRef?: React.RefObject<LazyFramerMotionAction<Dom>>
children?: (props: LazyFramerMotionChildrenProps) => JSX.Element
}
function LazyFramerMotion<Dom extends HTMLElement = any>(
props: LazyFramerMotionProps,
) {
const { fallback, fallbackOnly, actionRef, children } = props
const { ready, modules } = useFramerMotion()
const fallbackRef = useRef<Dom>(null)
const renderRef = useRef<Dom>(null)
useImperativeHandle(actionRef, () => {
return {
getDom: () => {
return renderRef.current || fallbackRef.current
},
}
})
const m: typeof motion = useMemo(() => {
if (ready) {
return modules.motion
}
const fallbackMotion = {} as typeof motion
;[...htmlElements, ...svgElements].forEach((item) => {
function FallbackMotionElement(_props: any, ref: any) {
const props: any = omitBy(_props, (_, key) => {
if (key === 'style') {
return false
}
return isValidMotionProp(key)
})
return createElement(item, { ref, ...props })
}
const component = forwardRef<any, any>(FallbackMotionElement)
component.displayName = item
fallbackMotion[item] = component as any
})
return fallbackMotion
}, [modules?.motion, ready])
const restModules = omit(modules, 'motion')
const fallbackDom
= typeof fallback === 'function'
? fallback?.({ m, domRef: fallbackRef })
: fallback
if (ready && !fallbackOnly) {
return (
<>{children?.({ ...restModules, m, domRef: renderRef, fallbackDom })}</>
)
}
return <>{fallbackDom}</>
}
export default LazyFramerMotion
export function withLazyFramerMotion<
Props extends LazyFramerMotionChildrenProps = LazyFramerMotionChildrenProps,
>(
WrappedComponent: React.ComponentType<Props>,
lazyFramerMotionProps: Omit<LazyFramerMotionProps, 'children' | 'actionRef'>,
) {
const WithLazyFramerMotion = (
extraProps: Omit<Props, keyof LazyFramerMotionChildrenProps> & {
actionRef?: LazyFramerMotionProps['actionRef']
},
) => {
return (
<LazyFramerMotion {...lazyFramerMotionProps}>
{(props) => {
const mergedProps = { ...extraProps, ...props } as Props
return <WrappedComponent {...mergedProps} />
}}
</LazyFramerMotion>
)
}
WithLazyFramerMotion.displayName = `WithLazyFramerMotion(${getDisplayName(
WrappedComponent,
)})`
return WithLazyFramerMotion
}
function getDisplayName(WrappedComponent: React.ComponentType<any>) {
return WrappedComponent.displayName || WrappedComponent.name || 'Component'
}