юзерскрипт для zlo.rt.mipt.cc

mipt_board.user.js

// ==UserScript==
// @name        MIPT board interactive
// @namespace   Violentmonkey Scripts
// @match       https://zlo.rt.mipt.cc/*
// @match       https://board.rt.mipt.cc/*
// @grant       none
// ==/UserScript==
'use strict';
function my_content(index) {
  let container = document.querySelector('div[id*=d' + index + ']');
  let content = container.querySelector('div[id*=q' + index + ']');
  if (content) {
    switch (content.style.display) {
      case 'none':
        content.style.display = 'block';
        break;
      default:
        content.style.display = 'none';
        break;
    }
  } else {
    content = document.createElement('div');
    content.className = 'custom';
    content.setAttribute('id', 'q' + String(index));
    content.style.display = 'block';
    container.insertBefore(content, container.firstChild);
    let url = 'https://zlo.rt.mipt.cc/?read=' + index;
    let xhr = new XMLHttpRequest()
    xhr.onload = function () {
      let msg = this.responseXML.querySelector('div.body');
      content.innerHTML = msg.innerHTML;
    }
    xhr.open('GET', url, true);
    xhr.responseType = 'document';
    xhr.send(null);
  }
}
function click_callback(ev) {
  let index = ev.target['id'].slice(1);
  my_content(index);
}
function has_body(content) {
  let result = content.innerHTML.search('\\(-\\)');
  if (result != - 1) {
    return false;
  } else {
    return true;
  }
}

function do_job(e) {
  let links = document.querySelectorAll('span[id*="m"]');
  for (let i = 0; i < links.length; i++) {
    let link = links[i];
    let link_id = link['id'].slice(1);
    let plus_span = link.querySelector('span.e');
    if (plus_span) {
      let plus = plus_span.querySelector('a');
      plus.parentNode.removeChild(plus);
    } else {
      plus_span = document.createElement('span');
      plus_span.className = 'e';
      plus_span.setAttribute('id', 'p' + link_id);
      link.insertBefore(plus_span, link.firstChild);
    }
    if (has_body(link)) {
      plus_span.textContent = ' + ';
      plus_span.style.cursor = 'pointer';
      plus_span.addEventListener('click', click_callback, false);
    } else {
      plus_span.textContent = ' . ';
    }
  }
}

//document.addEventListener('DOMContentLoaded', do_job);
do_job(0);