Calling Microsoft Graph API from an Azure Function using JavaScript - Azure Function code

azFuncNewGroup.js

// ...

module.exports = function (context, req) {
  context.log('Starting function');
  if (req.query.name) {
    const name = req.query.name;
    context.log('Parameters OK. Next: get token');
    getToken().then(token => {
      context.log('Token OK. Next: create the group');
      createGroup(token, name)
        .then(result => {
          context.log('Everything OK.');
          context.res = {
            status: 200,
            body: JSON.stringify(result),
            headers: {
              'Content-Type': 'application/json'
            }
          };
          context.done();
        }).catch(() => {
          context.log('An error occurred while creating the group');
          context.done();
        });
    });
  } else {
    context.res = {
      status: 400,
      body: "Please pass a name on the query string"
    };
    context.done();        
  }
};