NEM Uint64 timestamp to Date

timestampToDate.ts

import {BlockchainHttp, UInt64} from 'nem2-sdk';

const blockchainHttp = new BlockchainHttp('http://localhost:3000');

const timestampToDate = (timestamp: UInt64): Date => {
    const timestampNemesisBlock = 1459468800;
    const dateSeconds = timestamp.compact();
    return new Date(Math.round(dateSeconds + timestampNemesisBlock * 1000));
};

blockchainHttp.getBlockByHeight(2)
    .subscribe(block => console.log(timestampToDate(block.timestamp)));