Display repository size on GitHub repo pages
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// ==UserScript==
// @name GitHub Repo Size Display
// @namespace http://tampermonkey.net/
// @version 1.1
// @description Display repository size on GitHub repo pages
// @license MIT
// @author Lainbo
// @match https://github.com/*
// @grant GM_getValue
// @grant GM_setValue
// @grant GM_registerMenuCommand
// @grant GM_addStyle
// @icon data:image/svg+xml;base64,PHN2ZyB4bWxucz0iaHR0cDovL3d3dy53My5vcmcvMjAwMC9zdmciIHdpZHRoPSIxZW0iIGhlaWdodD0iMWVtIiB2aWV3Qm94PSIwIDAgMTQgMTQiPjxnIGZpbGw9Im5vbmUiIHN0cm9rZT0iY3VycmVudENvbG9yIiBzdHJva2UtbGluZWNhcD0icm91bmQiIHN0cm9rZS1saW5lam9pbj0icm91bmQiPjxyZWN0IHdpZHRoPSIxMSIgaGVpZ2h0PSIxMyIgeD0iMS41IiB5PSIuNSIgcng9IjEiLz48cGF0aCBkPSJtNC41IDEwLjVsMS43NS0yLjc1TTQuMDkgN0EyLjkzIDIuOTMgMCAwIDEgNCA1LjE2YTMgMyAwIDEgMSA0LjY3IDMuMjdNNy41IDExSDEwIi8+PC9nPjwvc3ZnPg==
// ==/UserScript==
(function () {
'use strict'
let observer
let repoTitleComponent
GM_addStyle(`
.modal-overlay {
position: fixed;
top: 0;
left: 0;
right: 0;
bottom: 0;
background-color: rgba(0, 0, 0, 0.5);
display: flex;
justify-content: center;
align-items: center;
z-index: 9999;
}
.modal-content {
background-color: #f6f8fa;
padding: 24px;
border-radius: 6px;
width: 340px;
box-shadow: 0 8px 24px rgba(140,149,159,0.2);
font-family: -apple-system, BlinkMacSystemFont, "Segoe UI", Helvetica, Arial, sans-serif;
}
.modal-title {
font-size: 20px;
font-weight: 600;
margin-bottom: 16px;
color: #24292f;
}
.modal-description {
font-size: 14px;
color: #57606a;
margin-bottom: 16px;
line-height: 1.5;
}
.modal-content input {
width: 100%;
margin-bottom: 16px;
padding: 5px 12px;
font-size: 14px;
line-height: 20px;
color: #24292f;
vertical-align: middle;
background-color: #ffffff;
background-repeat: no-repeat;
background-position: right 8px center;
border: 1px solid #d0d7de;
border-radius: 6px;
box-shadow: inset 0 1px 0 rgba(208,215,222,0.2);
}
.modal-content button {
color: #ffffff;
background-color: #2da44e;
padding: 5px 16px;
font-size: 14px;
font-weight: 500;
line-height: 20px;
white-space: nowrap;
vertical-align: middle;
cursor: pointer;
border: 1px solid;
border-radius: 6px;
appearance: none;
user-select: none;
margin-right: 8px;
}
.modal-content button.cancel {
color: #24292f;
background-color: #f6f8fa;
border-color: rgba(27,31,36,0.15);
}
.modal-content button:hover {
background-color: #2c974b;
}
.modal-content button.cancel:hover {
background-color: #f3f4f6;
}
.repo-size-label.error {
background-color: #ffdce0;
color: #cf222e;
}
`)
function formatSize(sizeInKB) {
if (sizeInKB >= 1024 * 1024) {
return `${(sizeInKB / (1024 * 1024)).toFixed(2)} GB`
}
else if (sizeInKB >= 1024) {
return `${(sizeInKB / 1024).toFixed(2)} MB`
}
else {
return `${sizeInKB} KB`
}
}
function updateRepoSize(content, isError = false) {
if (!repoTitleComponent) {
repoTitleComponent = document.querySelector('#repo-title-component')
if (!repoTitleComponent) { return }
}
let sizeElement = repoTitleComponent.querySelector('.repo-size-label')
if (!sizeElement) {
sizeElement = document.createElement('span')
sizeElement.className = 'Label Label--secondary v-align-middle ml-1 repo-size-label'
repoTitleComponent.appendChild(sizeElement)
}
sizeElement.textContent = content
sizeElement.classList.toggle('error', isError)
}
function fetchRepoSize() {
const repoRegex = /^https?:\/\/github\.com\/([^/]+)\/([^/]+)\/?$/
const match = location.href.match(repoRegex)
if (!match) { return }
const [, owner, repo] = match
const apiUrl = `https://api.github.com/repos/${owner}/${repo}`
const token = GM_getValue('github_token', '')
if (!token) {
updateRepoSize('Token not set', true)
return
}
fetch(apiUrl, {
headers: { Authorization: `token ${token}` },
})
.then((response) => {
if (!response.ok) { throw new Error(`HTTP error! status: ${response.status}`) }
return response.json()
})
.then((data) => {
if (data.size !== undefined) {
updateRepoSize(formatSize(data.size))
}
else {
throw new Error('Size information not available')
}
})
.catch((error) => {
console.error('Error fetching repo size:', error)
updateRepoSize('Size fetch failed', true)
})
}
function createModal() {
const tokenCreationUrl = new URL('https://github.com/settings/tokens/new')
tokenCreationUrl.searchParams.append('description', 'GitHub Repo Size Display')
tokenCreationUrl.searchParams.append('scopes', 'repo')
const modalHTML = `
<div class="modal-overlay">
<div class="modal-content">
<h2 class="modal-title">Set GitHub Token</h2>
<p class="modal-description">
Enter your GitHub personal access token with "repo" scope.
<a href="${tokenCreationUrl.toString()}" target="_blank" rel="noopener noreferrer">
Click here to create a new token
</a>
</p>
<input type="text" id="github-token-input" placeholder="Enter your GitHub personal access token">
<button id="save-token">Save</button>
<button id="cancel-token" class="cancel">Cancel</button>
</div>
</div>
`
const modalContainer = document.createElement('div')
modalContainer.innerHTML = modalHTML
document.body.appendChild(modalContainer)
const input = document.getElementById('github-token-input')
input.value = GM_getValue('github_token', '')
document.getElementById('save-token').addEventListener('click', () => {
const token = input.value.trim()
if (token) {
GM_setValue('github_token', token)
modalContainer.remove()
location.reload()
}
})
document.getElementById('cancel-token').addEventListener('click', () => modalContainer.remove())
}
function observePageChanges() {
if (observer) {
observer.disconnect()
}
const targetNode = document.body
const config = { childList: true, subtree: true }
observer = new MutationObserver((mutationsList, observer) => {
for (const mutation of mutationsList) {
if (mutation.type === 'childList') {
repoTitleComponent = document.querySelector('#repo-title-component')
if (repoTitleComponent && !repoTitleComponent.querySelector('.repo-size-label')) {
fetchRepoSize()
observer.disconnect()
break
}
}
}
})
observer.observe(targetNode, config)
}
function init() {
fetchRepoSize()
observePageChanges()
}
// Register the menu command to set the GitHub token
GM_registerMenuCommand('Set GitHub Token', createModal)
// Execute on page load
window.addEventListener('load', init)
// Listen for GitHub's pjax:end event to handle updates during internal navigation
document.addEventListener('pjax:end', init)
})()