Auto Select Merge Type for GitHub Pull-Request

auto-select-merge-type-for-github-pr.userscript.js

// ==UserScript==
// @name         Auto Select Merge Type for GitHub PR
// @namespace    https://gist.github.com/search?q=user%3Alamngockhuong+filename%3Auserscript+language%3Ajs&ref=searchresults
// @version      0.7
// @description  Automatically selects merge type based 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/8c7c2d73ddbefc3297232cde1d69e048
// @updateURL    https://gist.githubusercontent.com/lamngockhuong/8c7c2d73ddbefc3297232cde1d69e048/raw/auto-select-merge-type-for-github-pr.userscript.js
// @downloadURL  https://gist.githubusercontent.com/lamngockhuong/8c7c2d73ddbefc3297232cde1d69e048/raw/auto-select-merge-type-for-github-pr.userscript.js
// @author       Lam Ngoc Khuong
// @match        https://github.com/*/pull/*
// @grant        none
// ==/UserScript==

(function() {
  'use strict';

  const releaseBranches = ['main', 'master']

  function selectMergeOption() {
    const targetBranchElement = document.querySelector('span.css-truncate-target');

    if (!targetBranchElement) {
      console.log("<<AutoSelectMergeType>> 🐙 Target branch element not found yet!");
      return;
    }

    const targetBranch = targetBranchElement.textContent.trim();
    console.log("<<AutoSelectMergeType>> 🐙 Target branch detected: " + targetBranch);

    // Locate the merge type buttons
    const mergeButton = document.querySelector('button.merge-box-button.btn-group-merge');
    const squashButton = document.querySelector('button.merge-box-button.btn-group-squash');

    // Locate the merge dropdown button
    const dropdownButton = document.querySelector('.select-menu-button.js-merge-method-menu-button');

    if (!dropdownButton) {
      console.log("<<AutoSelectMergeType>> 🐙 Merge options dropdown not found!");
      return;
    }

    // Open the dropdown menu
    dropdownButton.click();

    // Wait for the dropdown to open, then select the appropriate merge option
    setTimeout(() => {
      let mergeOption;

      // Logic to select merge type
      if (releaseBranches.includes(targetBranch)) {
        mergeOption = document.querySelector('.select-menu-item.js-merge-box-button-merge');
        console.log("<<AutoSelectMergeType>> 🐙 Selecting regular merge for branch: " + targetBranch);
      } else {
        mergeOption = document.querySelector('.select-menu-item.js-merge-box-button-squash');
        console.log("<<AutoSelectMergeType>> 🐙 Selecting squash merge for branch: " + targetBranch);
      }

      if (mergeOption) {
        mergeOption.click();
        dropdownButton.blur();
      } else {
        console.log("<<AutoSelectMergeType>> 🐙 Merge option not found!");
      }

    }, 500); // Delay to ensure the dropdown menu is fully loaded
  }

  window.addEventListener('load', selectMergeOption);
})();