// ==UserScript==
// @name         WhatsApp Web Message Spam
// @namespace    graphen
// @version      1.0.1
// @description  Adds a button to repeatedly send the same message in a certain interval.
// @author       Graphen
// @license      MIT
// @match        https://web.whatsapp.com/*
// @icon         https://i.imgur.com/C6GToWK.png
// @grant        none
// ==/UserScript==
/* jshint esversion: 6 */
(function() {
'use strict';
// auxiliary function for element insertion into dom tree
function insertAfter(newNode, referenceNode) {
referenceNode.parentNode.insertBefore(newNode, referenceNode.nextSibling);
}
let repeatingSpamFunction = null;
let message = '';
document.addEventListener("click", createSpamButton);
document.addEventListener("keyup", editSpamButton);
function getInput() {
var input = document.querySelector('.p3_M1 ._13NKt');
if (!input) {
console.log("WA Spam: 'input' not found.");
return false;
}
else {
return input;
}
}
function getSpamButton() {
let spamButton = document.getElementById('spamButton');
if (spamButton) {
return spamButton;
}
else {
console.log("#spamButton not found.");
return false;
}
}
function createSpamButton() {
if (getSpamButton()) {
console.log("WA Spam: #spamButton already present.");
return;
}
let composeBar = document.querySelector('._1SEwr');
if (!composeBar) {
console.log("WA Spam: composeBar not found.");
return;
}
let spamButton = document.createElement('button');
spamButton.setAttribute("id", "spamButton");
spamButton.innerHTML = 'SPAM';
spamButton.style.fontSize = '100%';
spamButton.style.padding = '10px 0';
spamButton.style.margin = '0px 3px 5px 3px';
//insertAfter(spamButton, composeBar.lastChild.previousSibling);
insertAfter(spamButton, composeBar);
editSpamButton();
}
function editSpamButton() {
let spamButton = getSpamButton();
let input = getInput();
if (input.innerText.trim() === '' && message === '') {
spamButton.style.cursor = 'not-allowed';
spamButton.style.color = '#D3D3D3';
spamButton.onclick = void(0);
} else {
spamButton.style.cursor = 'pointer';
spamButton.style.color = '#039be5';
spamButton.onclick = function() {
doSpam(this);
};
}
}
function doSpam(spamButton) {
let input = getInput();
if (spamButton.innerHTML === 'SPAM') {
if (input.innerText === '') {
window.alert('Please enter a text to be spammed before using the spam button.');
return;
}
let interval = 1000 * parseInt(prompt('Please enter spam-interval in seconds:', '3'));
if (!interval) {
spamButton.innerHTML = 'SPAM';
console.log('WA Spam: Interval input cancelled.');
return;
}
message = input.innerHTML;
spamButton.innerHTML = 'STOP';
sendMessage(); // start immediately
console.log("started spamming");
repeatingSpamFunction = window.setInterval(function(){
console.log("started repeated spamming");
sendMessage();
}, interval);
} else {
window.clearInterval(repeatingSpamFunction);
message= '';
spamButton.innerHTML = 'SPAM';
}
editSpamButton();
}
function sendMessage() {
let input = getInput();
let evt = new Event('input', {
bubbles: true
});
input.innerHTML = message;
input.dispatchEvent(evt);
document.getElementsByClassName('_4sWnG')[0].click(); // click send button
}
})();