src/view/com/modals/Modal.tsx


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import React, {useRef} from 'react'
import {View} from 'react-native'
import {observer} from 'mobx-react-lite'
import BottomSheet from '@gorhom/bottom-sheet'
import {useStores} from '../../../state'
import {createCustomBackdrop} from '../util/BottomSheetCustomBackdrop'

import * as LinkActionsModal from './LinkActions'

export const Modal = observer(function Modal() {
  const store = useStores()
  const bottomSheetRef = useRef<BottomSheet>(null)

  const onShareBottomSheetChange = (snapPoint: number) => {
    if (snapPoint === -1) {
      store.shell.closeModal()
    }
  }
  const onClose = () => {
    bottomSheetRef.current?.close()
  }

  if (!store.shell.isModalActive) {
    return <View />
  }

  let snapPoints, element
  if (store.shell.activeModal?.name === 'link-actions') {
    snapPoints = LinkActionsModal.snapPoints
    element = <LinkActionsModal.Component {...store.shell.activeModal} />
  } else {
    return <View />
  }

  return (
    <BottomSheet
      ref={bottomSheetRef}
      snapPoints={snapPoints}
      enablePanDownToClose
      backdropComponent={createCustomBackdrop(onClose)}
      onChange={onShareBottomSheetChange}>
      {element}
    </BottomSheet>
  )
})