Export all DynamoDB items

exportDynamoDB.js

const AWS = require('aws-sdk');
AWS.config.update({region:'eu-central-1'}); 
const fs = require('fs');
const TABLE_NAME = "YOURTABLENAME";

const docClient = new AWS.DynamoDB.DocumentClient({
    "sslEnabled": false,
    "paramValidation": false,
    "convertResponseTypes": false,
    "convertEmptyValues": true
});

async function exportDB(){
    let params = {
        TableName: TABLE_NAME
    };
    let result = [];
    let items;
    do  {
        items =  await docClient.scan(params).promise();
        items.Items.forEach((item) => result.push(item));
        params.ExclusiveStartKey  = items.LastEvaluatedKey;
    }   while(typeof items.LastEvaluatedKey != "undefined");

    await fs.writeFileSync("exported_data.json", JSON.stringify(result,null, 4)); 
    console.info("Available count size:", result.length);
}
exportDB();