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Confirm GitLab Merge Request Creator

Confirm GitLab merge request when creator differs from the current user.

  1. // ==UserScript==
  2. // @name         Confirm GitLab Merge Request Creator
  3. // @namespace    http://tampermonkey.net/
  4. // @version      1.0.0
  5. // @description  Confirm GitLab merge request when creator differs from the current user.
  6. // @author       Ben L
  7. // @match        https://gitlab.covergenius.biz/*/merge_requests/*
  8. // @icon         https://www.google.com/s2/favicons?sz=64&domain=covergenius.biz
  9. // @grant        none
  10. // @license MIT
  11. // ==/UserScript==
  12.  
  13. (function () {
  14.   "use strict";
  15.  
  16.   let hasConfirmed = false;
  17.  
  18.   const handleMergeButtonClick = (event) => {
  19.     if (hasConfirmed) {
  20.       return;
  21.     }
  22.  
  23.     const currentUserId = window.gon?.current_user_id;
  24.     const creatorElement = document.querySelector("[data-user-id]");
  25.  
  26.     if (!creatorElement) {
  27.       return;
  28.     }
  29.  
  30.     const creatorUserId = parseInt(
  31.       creatorElement.getAttribute("data-user-id"),
  32.       10
  33.     );
  34.  
  35.     if (currentUserId !== creatorUserId) {
  36.       event.stopImmediatePropagation();
  37.       const confirmed = confirm(
  38.         "The creator of this MR is not you. Do you want to proceed with the merge?"
  39.       );
  40.  
  41.       if (!confirmed) {
  42.         event.preventDefault();
  43.       } else {
  44.         hasConfirmed = true;
  45.         event.target.click();
  46.       }
  47.     }
  48.   };
  49.  
  50.   const observer = new MutationObserver(() => {
  51.     const mergeButton = document.querySelector(
  52.       ".accept-merge-request.btn-confirm"
  53.     );
  54.  
  55.     if (mergeButton) {
  56.       mergeButton.addEventListener("click", handleMergeButtonClick, true);
  57.       observer.disconnect();
  58.     }
  59.   });
  60.  
  61.   observer.observe(document.body, { childList: true, subtree: true });
  62. })();