Leetcode Timer

Start a timer whenever a user loads a problem at Leetcode.com

Versión del día 18/05/2020. Echa un vistazo a la versión más reciente.

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Ajuste de línea

// ==UserScript==
// @name     Leetcode Timer
// @description:en Start a timer whenever a user loads a problem at Leetcode.com
// @version  1.1
// @grant    none
// @include	 *://*leetcode.com/problems/*
// @author   ketankr9
// @namespace https://greasyfork.org/users/564674
// @description Start a timer whenever a user loads a problem at Leetcode.com
// ==/UserScript==


function countdownTimer() {
  var difference = +new Date() - startTime;
  var elapsed = "0";

  var parts = {
    days: Math.floor(difference / (1000 * 60 * 60 * 24)),
    hours: Math.floor((difference / (1000 * 60 * 60)) % 24),
    minutes: Math.floor((difference / 1000 / 60) % 60),
    seconds: Math.floor((difference / 1000) % 60)
  };

  elapsed = Object.keys(parts)
    .map(part => {
    if (!parts[part]) return;
    return `${parts[part]} ${part}`;
  })
    .join(" ");
	
  document.getElementById("countdown").innerHTML = elapsed;
}

var f = function(div){
  var el = document.createElement("div");
  el.className = "tool-item__2DCU";
  el.innerHTML = '<div id="countdown" style="font-size:20px;" ></div>';
  
  div.insertBefore(el, div.firstChild);
  
  startTime = +new Date();
  setInterval(countdownTimer, 1000);
}

function waitForElementToDisplay(selector, time, f) {
  			var node = document.getElementsByClassName(selector);
        console.log(node);
        if(node.length > 0) {
          	console.log("Element Found");
            f(node[0])
            return;
        }
        setTimeout(function() {
            waitForElementToDisplay(selector, time, f);
        }, time);
    }

var startTime;
waitForElementToDisplay("btns__1OeZ", 1000, f);