Amit Kulhari amitkulhari26

🎯

Focusing

A software developer passionate about NodeJS and Javascript.

amitkulhari26 / Throttling in javascript

Created January 13, 2021 09:47

	const loggerFunc = () => {
	console.count("Throttled Function");
	}

	const throttle = (fn, limit) => {
	let flag = true;
	return function(){
	let context = this;
	let args = arguments;
	if(flag){

amitkulhari26 / Debouncing in Javascript

Created January 13, 2021 09:29

	// Debouncing in Javascript
	let counter = 0;
	const getData = () => {
	// calls an API and gets Data
	console.log("Fetching Data ..", counter++);
	}

	const debounce = function (fn, d) {
	let timer;
	return function () {

amitkulhari26 / React select options

Created October 30, 2020 05:44

https://codesandbox.io/s/react-codesandboxer-example-forked-01wmv?file=/docs/data.js

amitkulhari26 / File upload progress

Created October 21, 2020 07:42

	const processActionClick = () => {
	// for progress bar
	const options = {
	onUploadProgress: (progressEvent) => {
	const { loaded, total } = progressEvent;
	let percent = Math.floor((loaded * 100) / total);
	setUploadPercentage(percent);
	},
	headers: {
	"rx-a": token,

amitkulhari26 / create zip from and upload to s3

Created October 17, 2020 10:54

	//https://stackoverflow.com/questions/51938654/how-to-pipe-an-archive-zip-to-an-s3-bucket

	exports.downloadFromS3AndZipToS3 = () => {
	// These are my input files I'm willing to read from S3 to ZIP them

	const files = [
	`${s3Folder}/myFile.pdf`,
	`${s3Folder}/anotherFile.xml`
	]

amitkulhari26 / Listing S3 objects with NodeJS

Created October 14, 2020 09:56

	// https://menno.io/posts/listing-s3-objects-with-nodejs/
	async function allBucketKeys(s3, bucket) {
	const params = {
	Bucket: bucket,
	};

	var keys = [];
	for (;;) {
	var data = await s3.listObjects(params).promise();

amitkulhari26 / code

Created October 13, 2020 04:31

	// s3.listObjects(params, async (err, data) => {
	// if (err) {
	// console.log('s3ListObjects error')
	// console.log(err);
	// }
	// else {
	// const { Contents } = data
	// console.log('Contents');
	// console.log(Contents);
	// // Set filenames for each object to go into the zip.

amitkulhari26 / JS tips

Created September 22, 2020 07:57

	Disable right click
	<body oncontextmenu="return false">
	<div></div>
	</body>

	// get last items of array
	let array = [0, 1, 2, 3, 4, 5, 6, 7]
	console.log(array.slice(-1));
	>>>[7]
	console.log(array.slice(-2));

amitkulhari26 / custom drag list

Created September 16, 2020 10:36

	import React, {
	useState,
	useEffect,
	forwardRef,
	useImperativeHandle,
	} from "react";
	import Select from "react-select";
	import makeAnimated from "react-select/animated";
	import Button from "@material-ui/core/Button";
	import { Grid } from "@material-ui/core";

amitkulhari26 / get the difference between two arrays of objects

Created August 24, 2020 17:12

	// https://stackoverflow.com/questions/21987909/how-to-get-the-difference-between-two-arrays-of-objects-in-javascript

	//Find values that are in result1 but not in result2
	var uniqueResultOne = result1.filter(function(obj) {
	return !result2.some(function(obj2) {
	return obj.value == obj2.value;
	});
	});

	//Find values that are in result2 but not in result1