Postman Collection Pre-Request script to get access token for Wikimedia Enterprise Auth

wikimedia-enterprise-auth-postman-prerequest.js

const wmeAuthUrl  = 'https://auth.enterprise.wikimedia.com/v1/login';
const wmeUsername = pm.collectionVariables.get("wmeUsername");
const wmePassword = pm.collectionVariables.get("wmePassword");

const getTokenRequest = {
  method: 'POST',
  url: wmeAuthUrl,
  header: 'Content-Type:application/json',
  body: {
    mode: 'application/json',
    raw: JSON.stringify(
      {
        username: wmeUsername,
        password: wmePassword
      })
  }
};

pm.sendRequest(getTokenRequest, (err, response) => {
  const jsonResponse = response.json();
  const newAccessToken = jsonResponse.access_token;
  pm.variables.set('access_token', newAccessToken);
});