react-native-vision-camera-face-detector/lib/commonjs/FaceDetector.js

Frame Processor Plugin to detect faces using MLKit Vision Face Detector for React Native Vision Camera!

"use strict";

Object.defineProperty(exports, "__esModule", {
  value: true
});
exports.useFaceDetector = useFaceDetector;
var _react = require("react");
var _reactNative = require("react-native");
var _reactNativeVisionCamera = require("react-native-vision-camera");
/**
 * Create a new instance of face detector plugin
 * 
 * @param {FrameFaceDetectionOptions | undefined} options Detection options
 * @returns {FaceDetectorPlugin} Plugin instance
 */
function createFaceDetectorPlugin(options) {
  const plugin = _reactNativeVisionCamera.VisionCameraProxy.initFrameProcessorPlugin('detectFaces', {
    ...options
  });
  if (!plugin) {
    throw new Error('Failed to load Frame Processor Plugin "detectFaces"!');
  }
  return {
    detectFaces: frame => {
      'worklet';

      // @ts-ignore
      return plugin.call(frame);
    },
    stopListeners: () => {
      if (_reactNative.Platform.OS !== 'android') return;
      const {
        VisionCameraFaceDetectorOrientationManager
      } = _reactNative.NativeModules;
      VisionCameraFaceDetectorOrientationManager?.stopDeviceOrientationListener();
    }
  };
}

/**
 * Use an instance of face detector plugin.
 * 
 * @param {FrameFaceDetectionOptions | undefined} options Detection options
 * @returns {FaceDetectorPlugin} Memoized plugin instance that will be 
 * destroyed once the component using `useFaceDetector()` unmounts.
 */
function useFaceDetector(options) {
  return (0, _react.useMemo)(() => createFaceDetectorPlugin(options), [options]);
}
//# sourceMappingURL=FaceDetector.js.map