[Sheets] [Pt. 11] Move native code into repo (#5583)

Co-authored-by: Eric Bailey <git@esb.lol>
Co-authored-by: Samuel Newman <mozzius@protonmail.com>

modules/bottom-sheet/src/BottomSheet.types.ts

@@ -0,0 +1,22 @@
+import React from 'react'
+import {ColorValue, NativeSyntheticEvent} from 'react-native'
+
+export type BottomSheetState = 'closed' | 'closing' | 'open' | 'opening'
+
+export interface BottomSheetViewProps {
+  children: React.ReactNode
+  cornerRadius?: number
+  preventDismiss?: boolean
+  preventExpansion?: boolean
+  containerBackgroundColor?: ColorValue
+  topInset?: number
+  bottomInset?: number
+
+  minHeight?: number
+  maxHeight?: number
+
+  onStateChange?: (
+    event: NativeSyntheticEvent<{state: BottomSheetState}>,
+  ) => void
+  onAttemptDismiss?: (event: NativeSyntheticEvent<object>) => void
+}

modules/bottom-sheet/src/BottomSheetView.tsx

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+import * as React from 'react'
+import {
+  ColorValue,
+  Dimensions,
+  NativeSyntheticEvent,
+  StyleProp,
+  StyleSheet,
+  View,
+  ViewStyle,
+} from 'react-native'
+import {requireNativeViewManager} from 'expo-modules-core'
+
+import {BottomSheetState, BottomSheetViewProps} from './BottomSheet.types'
+
+const screenHeight = Dimensions.get('screen').height
+
+const NativeView: React.ComponentType<
+  BottomSheetViewProps & {
+    ref: React.RefObject<any>
+    style: StyleProp<ViewStyle>
+  }
+> = requireNativeViewManager('BottomSheet')
+
+export class BottomSheetView extends React.Component<
+  BottomSheetViewProps,
+  {
+    open: boolean
+  }
+> {
+  ref = React.createRef<any>()
+
+  constructor(props: BottomSheetViewProps) {
+    super(props)
+    this.state = {
+      open: false,
+    }
+  }
+
+  present() {
+    this.setState({open: true})
+  }
+
+  dismiss() {
+    this.ref.current?.dismiss()
+  }
+
+  private onStateChange = (
+    event: NativeSyntheticEvent<{state: BottomSheetState}>,
+  ) => {
+    const {state} = event.nativeEvent
+    const isOpen = state !== 'closed'
+    this.setState({open: isOpen})
+    this.props.onStateChange?.(event)
+  }
+
+  private getBackgroundColor = (): ColorValue | undefined => {
+    const parent = React.Children.toArray(
+      this.props.children,
+    )[0] as React.ReactElement
+    if (parent?.props?.style) {
+      const parentStyle = StyleSheet.flatten(parent.props.style) as ViewStyle
+      return parentStyle.backgroundColor ?? 'transparent'
+    }
+    return undefined
+  }
+
+  private updateLayout = () => {
+    this.ref.current?.updateLayout()
+  }
+
+  render() {
+    const {children, ...rest} = this.props
+    const topInset = rest.topInset ?? 0
+    const bottomInset = rest.bottomInset ?? 0
+
+    if (!this.state.open) {
+      return null
+    }
+
+    const backgroundColor = this.getBackgroundColor()
+    return (
+      <NativeView
+        {...rest}
+        onStateChange={this.onStateChange}
+        ref={this.ref}
+        style={{
+          position: 'absolute',
+          height: screenHeight - topInset - bottomInset,
+          width: '100%',
+        }}
+        containerBackgroundColor={backgroundColor}>
+        <View
+          style={{
+            flex: 1,
+            backgroundColor,
+            paddingTop: topInset,
+            paddingBottom: bottomInset,
+          }}>
+          <View onLayout={this.updateLayout}>{children}</View>
+        </View>
+      </NativeView>
+    )
+  }
+}

modules/bottom-sheet/src/BottomSheetView.web.tsx

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+import {BottomSheetViewProps} from './BottomSheet.types'
+
+export function BottomSheetView(_: BottomSheetViewProps) {
+  throw new Error('BottomSheetView is not available on web')
+}