// ...

// Text for sentiment analysis
const positiveText =
  'I am incredibly happy today! It may be the best day ever!';
const negativeText =
  "Oh no, it's Monday. My alarm didn't go off! I have a presentation in afew minutes. This is really bad.";

// Format for Cloud Natural Language API
const positiveDocument = {
  type: 'PLAIN_TEXT',
  content: positiveText,
};

const negativeDocument = {
  type: 'PLAIN_TEXT',
  content: negativeText,
};