text: import * as dynamoDbLib from "./libs/dynamodb-lib";
  import { success, failure } from "./libs/response-lib";
  
  export async function main(event, context, callback) {
    const params = {
      TableName: "notes",
      // 'KeyConditionExpression' defines the condition for the query
      // - 'userId = :userId': only return items with matching 'userId'
      //   partition key
      // 'ExpressionAttributeValues' defines the value in the condition
      // - ':userId': defines 'userId' to be Identity Pool identity id
      //   of the authenticated user
      KeyConditionExpression: "userId = :userId",
      ExpressionAttributeValues: {
        ":userId": event.requestContext.identity.cognitoIdentityId
      }
    };
  
    try {
      const result = await dynamoDbLib.call("query", params);
      // Return the matching list of items in response body
      callback(null, success(result.Items));
    } catch (e) {
      console.log(e);
      callback(null, failure({ status: false }));
    }
  }
  