Converts a JSON Snippet with an EST Date Time to its UTC Equivilant

ConvertTo-UTC

const mtz = require('moment-timezone');
const moment = require('moment');

const original_date_string = "2019/10/15 14:21:14";
const original_date_object = new Date(original_date_string);
const original_date_object_est = moment.tz(original_date_object, 'America/New_York');
console.log("Original: %s", original_date_string);
console.log("UTC: %s", original_date_object_est.utc().toISOString());

exports.handler = async (event) => {
    // Stub out the response object
    const response = {
        statusCode: 400,
        body: ""
    };
    
    try {
        // Make sure you were passed a string...
        if ( typeof event.body !== "string" ) {
            throw new Error("Please pass a string of log entries delimited by pipe.");
        }
    
        // Specify the delimiter and clean the log entries submitted
        const delimiter = "|";
        const defaultTimeZone = 'America/New_York';
        const defaultDateTimeFormat = 'YYYY/MM/DD HH:mm:ss';
        let logEntries;
    
        if ( event.body.trim().endsWith(delimiter) ) {
            logEntries = event.body.trim().substring(0, event.body.length - 1);
        } else {
            logEntries = event.body.trim();
        }
        
        // Enumerate the log entries
        const values = logEntries.split(delimiter);
        
        // Update entry's date property if it exists
        values.forEach( (logEntry, idx, array) => {
            const logEntryObject = JSON.parse(logEntry);
            
            if ( logEntryObject.date ) {
                const targetDate = moment.tz(logEntryObject.date, defaultDateTimeFormat, defaultTimeZone);
                
                logEntryObject.date = targetDate.utc().toISOString();
                array[idx] = JSON.stringify(logEntryObject);
            }
        });
    
        // Stage the successful results for transmission to the requester
        response.statusCode = 200;
        response.body = JSON.stringify( values.join(delimiter) );
    } catch (error) {
        response.body = error.toString();
    }
    
    // Reply with results of operation
    return response;
};