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

VisionCamera is the fastest and most powerful Camera for react-native.

import type {
  ScannedCode,
  ScannedFace,
  ScannedObject,
} from './specs/instances/ScannedObject.nitro'

/**
 * Returns `true` if the given {@linkcode ScannedObject}
 * is a {@linkcode ScannedCode} - a subclass of {@linkcode ScannedObject}
 * that provides a machine readable code with corner points.
 */
export function isScannedCode(object: ScannedObject): object is ScannedCode {
  return 'value' in object
}

/**
 * Returns `true` if the given {@linkcode ScannedObject}
 * is a {@linkcode ScannedFace} - a subclass of {@linkcode ScannedObject}
 * that provides face metadata.
 */
export function isScannedFace(object: ScannedObject): object is ScannedFace {
  return 'faceID' in object
}