react-native-vision-camera-face-detector/lib/commonjs/hooks/useFaceDetectorOutput.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.default = void 0;
exports.useFaceDetectorOutput = useFaceDetectorOutput;
var _react = require("react");
var _factory = require("../factory");
// types

/**
 * Use a {@linkcode FaceDetector}.
 *
 * A {@linkcode FaceDetector} can be used to detect
 * {@linkcode Face}s in a {@linkcode Frame} in a Frame
 * Processor.
 *
 * @example
 * ```ts
 * const FaceDetector = useFaceDetector({...})
 * const frameOutput = useFrameOutput({
 *   onFrame(frame) {
 *     'worklet'
 *     const faces = FaceDetector.detectFaces(frame)
 *     console.log(`Detected ${faces.length} faces!`)
 *     frame.dispose()
 *   }
 * })
 * ```
 */
function useFaceDetectorOutput({
  onFacesDetected,
  onError,
  outputResolution = 'preview',
  ...options
}) {
  const stableOnFacesDetected = (0, _react.useRef)(onFacesDetected);
  stableOnFacesDetected.current = onFacesDetected;
  const stableOnError = (0, _react.useRef)(onError);
  stableOnError.current = onError;
  return (0, _react.useMemo)(() => (0, _factory.createFaceDetectorOutput)({
    onFacesDetected(faces) {
      stableOnFacesDetected.current(faces);
    },
    onError(error) {
      stableOnError.current(error);
    },
    outputResolution: outputResolution,
    ...options
  }), [options]);
}
var _default = exports.default = useFaceDetectorOutput;
//# sourceMappingURL=useFaceDetectorOutput.js.map