react-native-vision-camera/src/NativeCameraView.ts

A powerful, high-performance React Native Camera library.

import type { NativeSyntheticEvent } from 'react-native'
import { requireNativeComponent } from 'react-native'
import type { ErrorWithCause } from './CameraError'
import type { CameraProps, OnShutterEvent } from './types/CameraProps'
import type { Code, CodeScanner, CodeScannerFrame } from './types/CodeScanner'
import type { Orientation } from './types/Orientation'

export interface OnCodeScannedEvent {
  codes: Code[]
  frame: CodeScannerFrame
}
export interface OnErrorEvent {
  code: string
  message: string
  cause?: ErrorWithCause
}
export interface AverageFpsChangedEvent {
  averageFps: number
}
export interface OutputOrientationChangedEvent {
  outputOrientation: Orientation
}
export interface PreviewOrientationChangedEvent {
  previewOrientation: Orientation
}
export type NativeCameraViewProps = Omit<
  CameraProps,
  | 'device'
  | 'onInitialized'
  | 'onError'
  | 'onShutter'
  | 'onOutputOrientationChanged'
  | 'onPreviewOrientationChanged'
  | 'frameProcessor'
  | 'codeScanner'
  | 'fps'
  | 'videoBitRate'
> & {
  // private intermediate props
  cameraId: string
  enableFrameProcessor: boolean
  codeScannerOptions?: Omit<CodeScanner, 'onCodeScanned'>
  minFps?: number
  maxFps?: number
  videoBitRateOverride?: number
  videoBitRateMultiplier?: number
  // private events
  onViewReady: (event: NativeSyntheticEvent<void>) => void
  onAverageFpsChanged?: (event: NativeSyntheticEvent<AverageFpsChangedEvent>) => void
  // public events wrapped with NativeSyntheticEvent<T>
  onInitialized?: (event: NativeSyntheticEvent<void>) => void
  onError?: (event: NativeSyntheticEvent<OnErrorEvent>) => void
  onCodeScanned?: (event: NativeSyntheticEvent<OnCodeScannedEvent>) => void
  onStarted?: (event: NativeSyntheticEvent<void>) => void
  onStopped?: (event: NativeSyntheticEvent<void>) => void
  onPreviewStarted?: (event: NativeSyntheticEvent<void>) => void
  onPreviewStopped?: (event: NativeSyntheticEvent<void>) => void
  onShutter?: (event: NativeSyntheticEvent<OnShutterEvent>) => void
  onOutputOrientationChanged?: (event: NativeSyntheticEvent<OutputOrientationChangedEvent>) => void
  onPreviewOrientationChanged?: (event: NativeSyntheticEvent<PreviewOrientationChangedEvent>) => void
}

// requireNativeComponent automatically resolves 'CameraView' to 'CameraViewManager'
export const NativeCameraView = requireNativeComponent<NativeCameraViewProps>('CameraView')