How do I setup the credentials for the SDK?

[jonsmirl]

I put together a test function for lambda, but the credentials are not set into the SDK.
-- Error: Missing credentials in config
Am I using the same copy of the SDK as amplify?
Had amplify set the credentials into the SDK?
I also noted that AWS.config.region is not set either.

Previously I did setup like this:
AWS.config.update({region: 'us-east-1'});
AWS.config.credentials = new AWS.Credentials({
accessKeyId: sessionStorage.getItem('accessKeyId'),
secretAccessKey: sessionStorage.getItem('secretAccessKey'),
sessionToken: sessionStorage.getItem('sessionToken'),
});
But I had expected aws-amplify to set this up for me.

import React, { Component } from 'react';
import AWS from 'aws-sdk'

var Lambda = new AWS.Lambda({region: 'us-east-1', apiVersion: '2015-03-31'});

export default class Page2 extends Component {

  build_table () {
    // create JSON object for parameters for invoking Lambda function
    var pullParams = {
      FunctionName : 'digi-dev-getEvents',
      InvocationType : 'RequestResponse',
      LogType : 'None'
    };
    // create variable to hold data returned by the Lambda function
    var events;

    Lambda.invoke(pullParams, function(error, data) {
      if (error) {
        prompt(error);
      } else {
        events = JSON.parse(data.Payload);
        var t = "<table border=1 padding=3>";
        events.forEach(function(r) {
          t += "<tr>";
          var x = new Date( r["timestamp"] );
          var formatted = x.toLocaleString();
          t += "<td>" + formatted + "</td>";
          t += "<td>" + r["thing"] + "</td>";
          t += "<td>" + r["type"] + "</td>";
          t += "</tr>";
        });
        t += "</table>";
        console.log(t);
      }
    });
  }

Do I need to do something like this?

_ensureCredentials() {
    if (this._options.credentials) { return Promise.resolve(true); }

    return Auth.currentCredentials()
        .then(credentials => {
            const cred = Auth.essentialCredentials(credentials);
            logger.debug('set credentials for storage', cred);
            this._options.credentials = cred;

            return true;
        })
        .catch(err => {
            logger.warn('ensure credentials error', err)
            return false;
        });
}

I just expected amplify to supply me with a global AWS handle that always has valid credentials in it (ie refresh is taken care of).

[jonsmirl]

I did a Pull Request adding Lambda support

[github-actions]

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