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TamperMonkey Script: Gist expand / collapse files.
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// Add a button to Collapse or Expand files in a Github Gist | |
// | |
// Install Tampermonkey and add this as a script | |
// ==UserScript== | |
// @name Github Gists: Expand / Collapse Files | |
// @namespace https://gist.github.com/Jaace/7b70d2bb19af63e10b144ed7d867eae0 | |
// @version 0.1 | |
// @description Add a button to expand or collapse files in github gists | |
// @author Jason Boyle | |
// @match https://gist.github.com/* | |
// @grant GM_addStyle | |
// ==/UserScript== | |
GM_addStyle( | |
'.gist-expand-collapse-btn { margin: 0 0 0 6px; } ' + | |
'.collapsed { display: none; }' | |
); | |
window.addEventListener('load', () => { | |
if (document.body.classList.contains('page-gist-edit')) { | |
return; | |
} | |
initializeButtons(); | |
initializeExpandCollapseAll(); | |
}); | |
function initializeExpandCollapseAll() { | |
const pageHeadActions = document.querySelector('.pagehead-actions'); | |
const listItem = document.createElement('li'); | |
const expandCollapseAllBtn = document.createElement('a'); | |
const files = document.querySelectorAll('.file'); | |
const buttons = document.querySelectorAll('.gist-expand-collapse-btn'); | |
listItem.appendChild(expandCollapseAllBtn); | |
pageHeadActions.appendChild(listItem); | |
expandCollapseAllBtn.classList.add('gist-expand-collapse-all-btn', 'btn', 'btn-sm'); | |
expandCollapseAllBtn.innerHTML = 'Collapse All'; | |
expandCollapseAllBtn.onclick = () => { | |
if ('Collapse All' === expandCollapseAllBtn.innerHTML) { | |
expandCollapseAllBtn.innerHTML = 'Expand All'; | |
for (let btn of buttons) { | |
btn.innerHTML = 'Expand'; | |
} | |
for (let file of files) { | |
const fileContainer = file.querySelector('.file-header').nextSibling.nextSibling; | |
fileContainer.classList.add('collapsed'); | |
} | |
} else { | |
expandCollapseAllBtn.innerHTML = 'Collapse All'; | |
for (let btn of buttons) { | |
btn.innerHTML = 'Collapse'; | |
} | |
for (let file of files) { | |
const fileContainer = file.querySelector('.file-header').nextSibling.nextSibling; | |
fileContainer.classList.remove('collapsed'); | |
} | |
} | |
}; | |
} | |
function initializeButtons() { | |
const files = document.querySelectorAll('.file'); | |
for (let file of files) { | |
const actions = file.querySelector('.file-actions'); | |
const fileContainer = file.querySelector('.file-header').nextSibling.nextSibling; | |
const expandCollapseBtn = document.createElement('a'); | |
expandCollapseBtn.classList.add('gist-expand-collapse-btn', 'btn', 'btn-sm'); | |
expandCollapseBtn.innerHTML = 'Collapse'; | |
actions.appendChild(expandCollapseBtn); | |
expandCollapseBtn.onclick = function() { | |
if ('Collapse' === expandCollapseBtn.innerHTML) { | |
expandCollapseBtn.innerHTML = 'Expand'; | |
} else { | |
expandCollapseBtn.innerHTML = 'Collapse'; | |
} | |
fileContainer.classList.toggle('collapsed'); | |
}; | |
} | |
} |
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