Add a button in the top-left of Gmail to resize the image in the body of your mails if they are larger than a specified value

gmail_image_resizer.user.js

// ==UserScript==
// @name        gmail image resizer
// @namespace   https://gist.github.com/tegomass/61083a3ea54fb6327b9c11cedbf3d161
// @description Add a button in the top-left of Gmail to resize the image in the body of your mails if they are larger than a specified value
// @include     https://mail.google.com/*
// @require     https://cdnjs.cloudflare.com/ajax/libs/jquery/3.1.1/jquery.min.js
// @require     https://gist.githubusercontent.com/tegomass/734b5a868f9222a6c1a89a42232768b5/raw/
// @exclude     %exclude%
// @version     1.1
// @grant       GM_addStyle
// ==/UserScript==
/*- The @grant directive is needed to work around a design change introduced in GM 1.0,
    It restores the sandbox.
*/

// @version 1.1
// Add click on tr to resize image
// 
$(function(){
  
  var config = {
    width: 200,
    additionalText: ' | ',
    gmailClass: '.gs'
  };

  waitForGmail(function(){ 
    if ($('#tego').length){
        return;
    }
    console.log('resized button added !');
    $('#gbwa').append('<span id="tego">resize</span>').click(resizedIMG);

    function resizedIMG() {
        //$('#\\:2').find('img').each(function(index, el) {
        $(config.gmailClass).find('img').each(function(index, el) {
            if (typeof $(this).attr('width') !== 'undefined') {
                if ($(this).attr('width') > config.width) {
                    $(this).after(config.additionalText)
                    $(this).attr('width', config.width)
                    $(this).attr('height', 'auto')
                } 
            } else {
                    $(this).attr('width', config.width)
                    $(this).attr('height', 'auto')
                }
        });
    }
    
    console.log('TR HERE')
    $('body').on('click', 'img', function(){
         console.log($(this).attr('src'))
      })
    $('body').on('click', 'tr', function(){ 
      console.log($("div[title*='Tout imprimer']"))
      resizedIMG();
    })
  });
  
});