farskid

function generateTree(list, id = 'slug', parentId = 'parent_slug', childrenId = 'children') {
  var tree = [];
  var lookup = {};

  list.forEach(function(item) {
    lookup[item[id]] = item;
    item[childrenId] = [];
  });
  list.forEach(function(item) {
    if (item[parentId] != null) {

farskid

Emojis on GitHub commits

Table of emojis:

🎨	:art:	when improving the format/structure of the code
📰	:newspaper:	when creating a new file
📝	:pencil:	when performing minor changes/fixing the code or language
🐎	:racehorse:	when improving performance
📚	:books:	when writing docs
🐛	:bug:	when reporting a bug, with @FIXMEComment Tag

farskid

function base64Image(src) {
  return new Promise(function(resolve, reject) {
    var img = new Image();

    img.setAttribute('crossOrigin', 'anonymous');

    img.onload = function() {
      var canvas = document.createElement("canvas");
      canvas.width = this.width;
      canvas.height = this.height;

farskid

/*
* @param {string} content
* @param {string} fileName
*/
function downloadWithContent(content, fileName) {
	// Create a virtual <a> element
	var $a = document.createElement('a');
	// Attach proper href
  $a.attr('href', 'data:text/csv;charset=utf-8,' + encodeURIComponent('\uFEFF') + encodeURIComponent(content));
	// Attach download prop

farskid

const express = require('express');
const app = express();
const port = process.env.PORT || 3000;

// Start the server using managed startup process
startServer()

// Since express is just a wrapper around http and extends the EventEmitter, one can catch the port error using on('error').
function startServer(app, port) {
  // process.env props are usually sent as string

farskid

/*
  const array = [
    ['name', 'some name'],
    ['size', 1746],
    ['format', 'some format']
  ];
  
  convert array to an object as:
    {
      name: 'some name',

farskid

function maxMinSum(intArray) {
  var sum = sumOfArray(intArray);
  var sums = intArray.map(num => sum - num);
  return [minOfArray(sums), maxOfArray(sums)].join(' ');
}

function sumOfArray(intArray) {
  return intArray.reduce((total, curr) => total += curr, 0);
}

farskid

function draw(n) {
	var steps = new Array(n).fill('#');
  var len = steps.length;
  steps = steps.map((val, i) => {
  	return new Array(len - i - 1).fill(' ').join('') + val + new Array(i).fill('#').join('');
  });
  return steps.join('\n');
}

/*

farskid

function anagrams(a, b) {
  var freqA = charFreq(a);
  var freqB = charFreq(b);
  var deletions = 0;
  
  getChars().forEach(char => {
  	deletions += Math.max(freqA[char], freqB[char]) - Math.min(freqA[char], freqB[char]);
  });
  
  return deletions;

farskid

/*
  Method1: Create an iframe and compare it's window object with website's window
*/
const iframe = document.createElement('iframe');
document.body.append(iframe);
const virgin = Object.keys(iframe.contentWindow);
const current = Object.keys(window);
const added = current.filter(key => !virgin.includes(key));