Disable Regular/Squash Merge for GitHub Pull-Request

disable-merge-for-github-pr.userscript.js

// ==UserScript==
// @name         Disable Merge for GitHub PR
// @namespace    https://gist.github.com/search?q=user%3Alamngockhuong+filename%3Auserscript+language%3Ajs&ref=searchresults
// @version      0.7
// @description  Automatically disable regular/squash merge on target branch for GitHub PRs
// @icon64       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9QWj2b++lPY/9srr1dPZu7smkT2r780lpSNbzel3IrKrbYZXnbjlBPyFm/+8PoZwXwSwmohzzq4eTs2Ui5+24kjhvXu4eTxcVo/stf0PzBB75XIL48RYMQ4ncdCQkFwYGN3TUHt4uaA7pOdiEvr79oa3tEE2IRgOHW74Lv/7o+nc3Ohpaa2vnpbFMTOiorrz2d/dvf0Prll77s7TU6w6ez/fr02ZJ5/nxMylBiBoC1RqbX3Lo+uUPKuULTZknA2VVuF2SZvRVe7581TdttmObnP9jH0+HYrywnxxBSTvYCfy8BpqHzvrcigwSQ4RVCva0TUvKYa79/+HhJAheF1/tfUtO+Epp2xFVW5o6Gte32+R+NPOSY8kvOYwAAAABJRU5ErkJggg==
// @source       https://gist.github.com/lamngockhuong/e02e7af13174844989b20e34921f7372
// @updateURL    https://gist.githubusercontent.com/lamngockhuong/e02e7af13174844989b20e34921f7372/raw/5d93d61ce0adec315a456bb97e440f2ead5c2bd5/disable-merge-for-github-pr.userscript.js
// @downloadURL  https://gist.githubusercontent.com/lamngockhuong/e02e7af13174844989b20e34921f7372/raw/5d93d61ce0adec315a456bb97e440f2ead5c2bd5/disable-merge-for-github-pr.userscript.js
// @author       Lam Ngoc Khuong
// @match        https://github.com/*/pull/*
// @grant        none
// ==/UserScript==

(function() {
  'use strict';
  const releaseBranches = ['main', 'master'];

  const intervalId = setInterval(() => {
    const targetBranchElement = document.querySelector('span.css-truncate-target');
    const targetBranch = targetBranchElement.textContent.trim();
    const mergeButton = document.querySelector('button.merge-box-button.btn-primary.btn-group-merge');
    const squashButton = document.querySelector('button.merge-box-button.btn-primary.btn-group-squash');
    const rebaseButton = document.querySelector('button.merge-box-button.btn-primary.btn-group-rebase');

    if (!mergeButton || !squashButton || !rebaseButton) {
      return;
    }

    if (releaseBranches.includes(targetBranch)) {
      console.log('<<DisableSquashMerge>> 🐙 Disabled squash merge on: ' + targetBranch);
      mergeButton.disabled = false;
      squashButton.disabled = true;
      rebaseButton.disabled = true;
      clearInterval(intervalId);
    } else {
      console.log('<<DisableSquashMerge>> 🐙 Disabled regular merge on: ' + targetBranch);
      mergeButton.disabled = true;
      squashButton.disabled = false;
      rebaseButton.disabled = true;
      clearInterval(intervalId);
    }
  }, 1000);
})();