Purujit Negi MaxXxiMast

## cloudSettings
{"lastUpload":"2020-05-01T19:06:41.818Z","extensionVersion":"v3.4.3"}

## waitAndProcess.js
function processAll(){
  return asyncAction.then(x => waitForEach(y => processFunc(y), x))
}

const waitForEach = (processFunc, [head, ...tail]) => {
  !head
    ? Promise.resolve()
    : processFunc(head).then(waitForEach(processFunc, tail))
}

## superSet.js
const superSet = arr => {
	var result = [];
	result.push([])
  	arr.forEach(val => {
		let length = result.length;
		let i = 0;
    		while(i < length){
			let newAr = result[i].slice(0);
			newAr.push(val);
			result.push(newAr);

## objectIsPolyfill.js
if (!Object.is) {
    Object.is = function ObjectIs(x, y) {
        if (x === y) {
            return x !== 0 || 1/x === 1/y
        } else {
            return x !== x && y !== y;
        }
    }
}

## checkSign.js
function checkSign(x){
	return x !== 0 ? Math.sign(x) : Object.is(x, -0) ? -1 : 1;
}

checkSign(-0) // -1 i.e. -ve sign
checkSign(0)  // 1 i.e. +ve sign
checkSign(-6) // -1
checkSign(6)  // 1

credits: Kyle Simpson (getify)

## plusplus.js
function plusplus(orig_x){
  let orig_x_changed = Number(orig_x);
  x = orig_x_changed + 1;
  return orig_x_changed;
}

let x = '2';
plusplus(x);  // 2
x;            // 3

## spiral_matrix.js
//ES6
function spiral(matrix) {
    const arr = [];

    while (matrix.length) {
        arr.push(
            ...matrix.shift(),
            ...matrix.map(a => a.pop()),
            ...(matrix.pop() || []).reverse(),
            ...matrix.map(a => a.shift()).reverse()

## array_intersect.min.js
function array_intersect(){var a,b,c,d,e,f,g=[],h={},i;i=arguments.length-1;d=arguments[0].length;c=0;for(a=0;a<=i;a++){e=arguments[a].length;if(e<d){c=a;d=e}}for(a=0;a<=i;a++){e=a===c?0:a||c;f=arguments[e].length;for(var j=0;j<f;j++){var k=arguments[e][j];if(h[k]===a-1){if(a===i){g.push(k);h[k]=0}else{h[k]=a}}else if(a===0){h[k]=0}}}return g}

## d3-text-measure.js
function textSize(text) {
    if (!d3) return;
    var container = d3.select('body').append('svg');
    container.append('text').attr('x', -99999).attr('y',-99999).text(text);
    var size = container.node().getBBox();
    container.remove();
    return { width: size.width, height: size.height };
}

// Usage: textSize("This is a very long text");

## Dummy APIs sites
https://reqres.in/
http://www.omdbapi.com/
	function processAll(){
	return asyncAction.then(x => waitForEach(y => processFunc(y), x))
	}

	const waitForEach = (processFunc, [head, ...tail]) => {
	!head
	? Promise.resolve()
	: processFunc(head).then(waitForEach(processFunc, tail))
	}
	const superSet = arr => {
	var result = [];
	result.push([])
	arr.forEach(val => {
	let length = result.length;
	let i = 0;
	while(i < length){
	let newAr = result[i].slice(0);
	newAr.push(val);
	result.push(newAr);
	if (!Object.is) {
	Object.is = function ObjectIs(x, y) {
	if (x === y) {
	return x !== 0 \|\| 1/x === 1/y
	} else {
	return x !== x && y !== y;
	}
	}
	}
	function checkSign(x){
	return x !== 0 ? Math.sign(x) : Object.is(x, -0) ? -1 : 1;
	}

	checkSign(-0) // -1 i.e. -ve sign
	checkSign(0) // 1 i.e. +ve sign
	checkSign(-6) // -1
	checkSign(6) // 1

	credits: Kyle Simpson (getify)
	function plusplus(orig_x){
	let orig_x_changed = Number(orig_x);
	x = orig_x_changed + 1;
	return orig_x_changed;
	}

	let x = '2';
	plusplus(x); // 2
	x; // 3
	//ES6
	function spiral(matrix) {
	const arr = [];

	while (matrix.length) {
	arr.push(
	...matrix.shift(),
	...matrix.map(a => a.pop()),
	...(matrix.pop() \|\| []).reverse(),
	...matrix.map(a => a.shift()).reverse()
	function textSize(text) {
	if (!d3) return;
	var container = d3.select('body').append('svg');
	container.append('text').attr('x', -99999).attr('y',-99999).text(text);
	var size = container.node().getBBox();
	container.remove();
	return { width: size.width, height: size.height };
	}

	// Usage: textSize("This is a very long text");