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// Copyright Amazon.com, Inc. or its affiliates. All Rights Reserved.
// SPDX-License-Identifier: Apache-2.0
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/*
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ABOUT THIS NODE.JS EXAMPLE: This example works with AWS SDK for JavaScript version 3 (lambda-for-browser).
// Purpose:
index.js is an AWS Lambda function in an example demonstrating how to trigger a Lambda function from the browser.
*/
// snippet-start:[cross-service.lambda-from-browser.javascript.lambda]
'use strict'
console . log ( 'Loading function' ) ;
var AWS = require ( 'aws-sdk' ) ;
// Initialize the Amazon Cognito credentials provider.
AWS . config . region = "REGION" ;
AWS . config . credentials = new AWS . CognitoIdentityCredentials ( {
IdentityPoolId : "IDENTITY_POOL_ID" ,
} ) ;
// Create client.
const docClient = new AWS . DynamoDB . DocumentClient ( ) ;
exports . handler = async ( event , context , callback ) => {
const params = {
Item : {
Id : event . Item . Id ,
Color : event . Item . Color ,
Pattern : event . Item . Pattern
} ,
TableName : event . TableName
} ;
await docClient . put ( params , async function ( err , data ) {
if ( err ) {
console . error (
"Unable to add item. Error JSON:" ,
JSON . stringify ( err , null , 2 )
) ;
} else {
console . log ( "Adding data to dynamodb..." ) ;
console . log ( "Added item:" , JSON . stringify ( data , null , 2 ) ) ;
}
} ) ;
callback ( null , event ) ;
} ;
// snippet-end:[cross-service.lambda-from-browser.javascript.lambda]
