User script to fix 'Go to File' button for Github branch names that break

FixGithubGoToFile

// ==UserScript==
// @name        Fix 'Go to File' on Github
// @namespace   Violentmonkey Scripts
// @match       https://github.com/*
// @match       https://github.com/*
// @require https://cdn.jsdelivr.net/npm/@violentmonkey/dom@1
// @grant       none
// @version     1.0
// @author      Jim Allers
// @description 6/10/2021, 2:00:07 PM
// ==/UserScript==
const locationPathNodes = window.location.pathname.split('/').filter((token) => token.length > 0);

function goToFileExists() {
  const goToFileButton = document.querySelector('a[data-hotkey="t"]');
  if (goToFileButton) {
    return true;
  }
}

function bringBackGoToFile() {
  if (goToFileExists()) return true;
  
  // <include-fragment data-test-selector="overview-actions-fragment" src="/versionone/Core/overview_actions/21.1" class="is-error"></include-fragment>
  const includeOverviewActionsError = document.querySelector('include-fragment.is-error[data-test-selector="overview-actions-fragment"]');
  
  if (includeOverviewActionsError) {
    
    let org, repo, branch, restNodes;
    if (locationPathNodes.includes('tree')) {
      [org, repo, , branch, ...restNodes] = locationPathNodes;
      
    } else {
      [org, repo, ...restNodes] = locationPathNodes;
      branch = document.querySelector('summary[title="Switch branches or tags"] span').textContent
    }
    
    const goToAnchor = document.createElement('a');
    goToAnchor.textContent = 'Go to file';
    goToAnchor.classList.add('btn', 'ml-2', 'd-none', 'd-md-block');
    goToAnchor.setAttribute('data-ga-click', "Repository, find file, location:repo overview");
    goToAnchor.setAttribute('data-hotkey', "t");
    goToAnchor.setAttribute('data-pjax', "true");
    goToAnchor.setAttribute('href', `/${org}/${repo}/find/${branch}`);
    includeOverviewActionsError.parentElement.replaceChild(goToAnchor, includeOverviewActionsError);
    // disconnect observer
    return true;
  }
}
// only run this script on the repo tree view
if (locationPathNodes.length <= 2 || locationPathNodes.includes('tree')) {
  if (!goToFileExists() && !bringBackGoToFile()) {
    VM.observe(document.body, () => {
      return bringBackGoToFile();
    });
  }
}