SiddharthaChowdhury

interface IKeyEventsListeners {
  keyup: { [componentId: string]: (event: KeyboardEvent) => void };
  keydown: { [componentId: string]: (event: KeyboardEvent) => void };
}

export interface IKeySubscription {
  unsubscribe: () => void;
}

const keyListener = (<T extends keyof IKeyEventsListeners>() => {

SiddharthaChowdhury

      const initDevToolCode = () => {
        const devToolSignalName = 'DEVTOOL_ASYNC_MONITOR__ASYNC_STATUS_CHANGE';
        const getNameId = (customName) => customName || `${(Math.random() + 1).toString(36).substring(7)}-${+ new Date()}`;

        // PubSub outside our app
        var eventPool = (function() {
          var topics = {};
          var hOp = topics.hasOwnProperty;

          return {

SiddharthaChowdhury

(function () {
    'use strict';

    /**
     * Displays logging information on the screen and in the console.
     * @param {string} msg - Message to log.
     */
    function log(msg) {
        var logsEl = document.getElementById('logs');

SiddharthaChowdhury

import AWS from 'aws-sdk';
import multer, { FileFilterCallback } from "multer"
import multerS3 from "multer-s3";
import {Request} from 'express';
import { v4 as uuidv4 } from 'uuid';

AWS.config.update({
    accessKeyId: process.env.AWS_ACCESS_KEY_ID,
    secretAccessKey: process.env.AWS_SECRET_KEY,
    signatureVersion: 'v4'

SiddharthaChowdhury

export const getDeviceTypeInfo = () => {
  const { width, height } = getWindowDimension()
  const buildDeviceDetails = {
    deviceType: '',
    deviceTypeVariant: '',
    orientation: 'Portrait',
    width,
    height,
    isFallback: false
  }

SiddharthaChowdhury

console.time("execution");
var posts = [{
		"id": 1,
		"name": "Earth",
		"children": [2, 3]
	}, {
		"id": 2,
		"name": "Asia",
		"children": []
	}, {

SiddharthaChowdhury

const fs 		= require('fs');
const jwt 		= require('jsonwebtoken');
// http://travistidwell.com/blog/2013/09/06/an-online-rsa-public-and-private-key-generator/
// use 'utf8' to get string instead of byte array  (1024 bit key)
var privateKEY 	= fs.readFileSync('./private.key', 'utf8'); // to sign JWT
var publicKEY 	= fs.readFileSync('./public.key', 'utf8'); 	// to verify JWT

module.exports = {
	sign: (payload, $Options) => {
		/*

SiddharthaChowdhury

module.exports = {
    onlyNumber: function(sample){
        // returns false if input is not a number 
        return /^([0-9]+)$/.test(sample);
    },

    onlyAlphabets: function(sample){
      // returns false if input is not a string of alphabets
        return /^([a-z]+)$/.test(sample);
    },

SiddharthaChowdhury

module.exports = {
	uniqueID: function(){
		const length = 38;
		const unixTstamp = Math.round(new Date().getTime()/1000);
		const chars = Math.random().toString(36).slice(2)
		var result = '';
	    	for (var i = length; i > 0; --i) result += chars[Math.round(Math.random() * (chars.length - 1))];
	    	return result;
	},
	randomString: function(){ // returns 128 bit string

SiddharthaChowdhury

# Change directory -> to your login directory
cd ~


# ---------------------------------- J A V A dependency installation
# Installing Java 8 
# Add Oracle Java PPA to apt
sudo add-apt-repository -y ppa:webupd8team/java

# Update repo