Function main

vision/vision-face-detection.js:22–49

(fileName)

//   usage: node vision-face-detection.js <fileName>

function main(fileName) {
  // [START vision_face_detection]
  // Imports the Google Cloud client library
  const vision = require('@google-cloud/vision');

  // Creates a client
  const client = new vision.ImageAnnotatorClient();

  async function detectFaces() {
    /**
     * TODO(developer): Uncomment the following line before running the sample.
     */
    // const fileName = 'Local image file, e.g. /path/to/image.png';

    const [result] = await client.faceDetection(fileName);
    const faces = result.faceAnnotations;
    console.log('Faces:');
    faces.forEach((face, i) => {
      console.log(`  Face #${i + 1}:`);
      console.log(`    Joy: ${face.joyLikelihood}`);
      console.log(`    Anger: ${face.angerLikelihood}`);
      console.log(`    Sorrow: ${face.sorrowLikelihood}`);
      console.log(`    Surprise: ${face.surpriseLikelihood}`);
    });
  }
  detectFaces();
  // [END vision_face_detection]
}

process.on('unhandledRejection', err => {
  console.error(err.message);