Rename to DisplayRepoInfo.os.js and show repo age with creation time tooltip

2026-09-18 10:35:42 +00:00 · 2026-09-11 13:07:54 -07:00
parent ebe2f4fb8a
commit 1d8289d611
3 changed files with 220 additions and 217 deletions
--- a/DisplayRepoInfo.os.js
+++ b/DisplayRepoInfo.os.js
@@ -0,0 +1,216 @@
+// ==UserScript==
+// @name         Display Repo Info and File Sizes for GitHub
+// @description  Displays repository disk usage, age, and individual file sizes on GitHub.
+// @match        https://github.com/*/*
+// ==/UserScript==
+
+const ROW_ID = 'openscript-repo-info-about';
+const SIZE_CLASS = 'openscript-file-size';
+const TABLE_SELECTOR = 'table[aria-labelledby="folders-and-files"]';
+
+const formatBytes = b => {
+  const u = ['B', 'KB', 'MB', 'GB'];
+  let i = 0;
+  for (; b >= 1024 && i < 3; i++) b /= 1024;
+  return `${i && b < 10 ? b.toFixed(1) : Math.round(b)} ${u[i]}`;
+};
+
+const formatAge = d => {
+  const days = Math.max(0, Math.floor((Date.now() - new Date(d)) / 864e5));
+  const y = Math.floor(days / 365.25);
+  const m = Math.floor((days % 365.25) / 30.44);
+  if (y) return `${y} year${y > 1 ? 's' : ''}${m ? `, ${m} month${m > 1 ? 's' : ''}` : ''}`;
+  if (m) return `${m} month${m > 1 ? 's' : ''}`;
+  return `${days || '< 1'} day${days === 1 ? '' : 's'}`;
+};
+
+const getRepoInfo = () => {
+  const [, owner, repo] = location.pathname.split('/');
+  return owner && repo && !/^(settings|orgs|organizations|notifications|search|features|pricing|explore|marketplace|topics|trending)$/i.test(owner)
+    ? { owner, repo } : null;
+};
+
+const getPat = () => {
+  const envObj = typeof OpenScript !== 'undefined' ? OpenScript.env : typeof env !== 'undefined' ? env : {};
+  const [, val] = Object.entries(envObj || {}).find(([k, v]) => /^(GH_PAT|GITHUB_PAT|GITHUB_TOKEN|PAT)$/i.test(k) && v) || [];
+  return val ? String(val).trim() : '';
+};
+
+const getHeaders = () => {
+  const pat = getPat();
+  return {
+    Accept: 'application/vnd.github+json',
+    'X-GitHub-Api-Version': '2022-11-28',
+    ...(pat && { Authorization: `Bearer ${pat}` }),
+  };
+};
+
+const fetchRepoInfo = async ({ owner, repo }) => {
+  try {
+    const res = await fetch(`https://api.github.com/repos/${owner}/${repo}`, {
+      headers: getHeaders(),
+    });
+    if (res.status === 404)
+      return { err: 'private (missing GH_PAT)', tip: 'Set GH_PAT in OpenScript for private repository access' };
+    if (res.status === 401)
+      return { err: 'invalid GH_PAT', tip: 'GitHub rejected the configured token' };
+    if (!res.ok)
+      return { err: `API error (${res.status})`, tip: `GitHub API returned ${res.status}` };
+
+    const { size: kb = 0, created_at: created } = await res.json();
+    return {
+      size: {
+        text: kb ? formatBytes(kb * 1024) : '0 KB (calculating...)',
+        tip: kb ? `Total repository disk usage (including full git history): ${kb.toLocaleString()} KB`
+          : 'GitHub is still calculating disk usage for this repository',
+      },
+      age: created ? {
+        text: formatAge(created),
+        tip: `Created: ${new Date(created).toLocaleString(undefined, { dateStyle: 'full', timeStyle: 'long' })}`,
+      } : null,
+    };
+  } catch {
+    return { err: 'failed to load', tip: 'Network or fetch error' };
+  }
+};
+
+const getCodeView = () => {
+  try {
+    const app = document.querySelector('react-app[app-name="code-view"]');
+    const data = JSON.parse(app?.querySelector('script[type="application/json"]')?.textContent || '{}');
+    const route = data.payload?.codeViewRepoRoute || data.payload?.codeViewTreeRoute;
+    const info = getRepoInfo();
+    if (!info || !route?.tree?.items || !route.refInfo) return null;
+    const path = String(route.path || '').replace(/^\/+|\/+$/g, '');
+    const ref = route.refInfo.currentOid || route.refInfo.name;
+    return { ...info, path, ref, items: route.tree.items, key: `${info.owner}/${info.repo}:${ref}:${path}` };
+  } catch {
+    return null;
+  }
+};
+
+const findAboutHeading = () => [...document.querySelectorAll('h2')].find(h =>
+  /^\s*About\s*$/i.test(h.textContent) &&
+  h.closest('[data-component="SplitPageLayout.Pane"], .Layout-sidebar, .BorderGrid')
+);
+
+const updateAboutInfo = async () => {
+  const info = getRepoInfo();
+  if (!info) return;
+
+  const key = `${info.owner}/${info.repo}`;
+  const existing = document.getElementById(ROW_ID);
+  if (existing?.dataset.repo === key) return;
+  existing?.remove();
+  document.getElementById('openscript-repo-size-about')?.remove();
+  document.getElementById('openscript-repo-size')?.remove();
+
+  const heading = findAboutHeading();
+  if (!heading) return;
+
+  const container = document.createElement('div');
+  container.id = ROW_ID;
+  container.dataset.repo = key;
+  container.innerHTML = `
+    <div class="openscript-size-row mt-2 text-small color-fg-muted d-flex flex-items-center">
+      <svg aria-hidden="true" height="16" viewBox="0 0 16 16" width="16" class="octicon octicon-database mr-2 color-fg-muted" fill="currentColor">
+        <path d="M1 3.5c0-.83.67-1.5 1.5-1.5h11c.83 0 1.5.67 1.5 1.5v9c0 .83-.67 1.5-1.5 1.5h-11A1.5 1.5 0 0 1 1 12.5v-9Zm1.5-.5a.5.5 0 0 0-.5.5V5h12V3.5a.5.5 0 0 0-.5-.5h-11ZM14 6H2v2h12V6Zm0 3H2v3.5a.5.5 0 0 0 .5.5h11a.5.5 0 0 0 .5-.5V9Z"></path>
+      </svg>
+      <span><strong class="size-val color-fg-default font-semibold">calculating...</strong> repo size</span>
+    </div>
+    <div class="openscript-age-row mt-2 text-small color-fg-muted d-flex flex-items-center">
+      <svg aria-hidden="true" height="16" viewBox="0 0 16 16" width="16" class="octicon octicon-history mr-2 color-fg-muted" fill="currentColor">
+        <path d="m.427 1.927 1.215 1.215a8.002 8.002 0 1 1-1.6 5.685.75.75 0 1 1 1.493-.154 6.5 6.5 0 1 0 1.18-4.458l1.358 1.358A.25.25 0 0 1 3.896 6H.25A.25.25 0 0 1 0 5.75V2.104a.25.25 0 0 1 .427-.177ZM7.75 4a.75.75 0 0 1 .75.75v2.992l2.028.812a.75.75 0 0 1-.557 1.392l-2.5-1A.751.751 0 0 1 7 8.25v-3.5A.75.75 0 0 1 7.75 4Z"></path>
+      </svg>
+      <span><strong class="age-val color-fg-default font-semibold">calculating...</strong> repo age</span>
+    </div>`;
+
+  const sibling = heading.nextElementSibling;
+  (sibling || heading).insertAdjacentElement('afterend', container);
+
+  const res = await fetchRepoInfo(info);
+  if (!container.isConnected) return;
+  const sRow = container.querySelector('.openscript-size-row');
+  const aRow = container.querySelector('.openscript-age-row');
+  if (res.err) {
+    sRow.querySelector('.size-val').textContent = res.err;
+    sRow.title = res.tip;
+    aRow.remove();
+  } else {
+    sRow.querySelector('.size-val').textContent = res.size.text;
+    sRow.title = res.size.tip;
+    if (res.age) {
+      aRow.querySelector('.age-val').textContent = res.age.text;
+      aRow.title = res.age.tip;
+    } else aRow.remove();
+  }
+};
+
+const addFileSize = (row, name, bytes) => {
+  for (const cell of row.querySelectorAll('td.react-directory-row-name-cell-small-screen, td.react-directory-row-name-cell-large-screen')) {
+    const link = cell.querySelector('a.Link--primary[href*="/blob/"]');
+    const col = link?.closest('.react-directory-filename-column');
+    if (!col || link.title !== name || col.querySelector(`:scope > .${SIZE_CLASS}`)) continue;
+
+    const badge = document.createElement('span');
+    badge.className = `${SIZE_CLASS} color-fg-muted`;
+    badge.textContent = formatBytes(bytes);
+    badge.title = `File size: ${bytes.toLocaleString()} bytes`;
+    Object.assign(badge.style, { flex: 'none', marginLeft: '8px', fontSize: '12px', fontWeight: '400', whiteSpace: 'nowrap' });
+    col.append(badge);
+  }
+};
+
+const updateFileSizes = async () => {
+  const view = getCodeView();
+  const table = document.querySelector(TABLE_SELECTOR);
+  if (!view || !table) return;
+
+  const links = table.querySelectorAll('td[class*="react-directory-row-name-cell"] a.Link--primary[href*="/blob/"]');
+  if (table.dataset.openscriptFileSizes === view.key && table.querySelectorAll(`.${SIZE_CLASS}`).length === links.length) return;
+
+  if (table.dataset.openscriptFileSizes !== view.key)
+    table.querySelectorAll(`.${SIZE_CLASS}`).forEach(el => el.remove());
+  table.dataset.openscriptFileSizes = view.key;
+
+  const path = view.path ? `/${view.path.split('/').map(encodeURIComponent).join('/')}` : '';
+  try {
+    const res = await fetch(
+      `https://api.github.com/repos/${encodeURIComponent(view.owner)}/${encodeURIComponent(view.repo)}/contents${path}?ref=${encodeURIComponent(view.ref)}`,
+      { headers: getHeaders() },
+    );
+    if (!res.ok) return;
+    const entries = await res.json();
+    if (!Array.isArray(entries) || getCodeView()?.key !== view.key || !table.isConnected) return;
+
+    const sizes = Object.fromEntries(entries.map(i => [i.path, i.size]));
+    const paths = Object.fromEntries(view.items.filter(i => i.contentType === 'file').map(i => [i.name, i.path]));
+
+    for (const row of table.querySelectorAll('tbody tr')) {
+      const link = row.querySelector('td[class*="react-directory-row-name-cell"] a.Link--primary[href*="/blob/"]');
+      const bytes = sizes[paths[link?.title]];
+      if (Number.isFinite(bytes)) addFileSize(row, link.title, bytes);
+    }
+  } catch {}
+};
+
+let scheduled;
+const run = () => {
+  clearTimeout(scheduled);
+  scheduled = setTimeout(() => {
+    updateAboutInfo();
+    updateFileSizes();
+  }, 50);
+};
+
+['turbo:load', 'turbo:render', 'pjax:end', 'popstate'].forEach(ev =>
+  window.addEventListener(ev, run)
+);
+
+const start = () => {
+  new MutationObserver(run).observe(document.body, { childList: true, subtree: true });
+  run();
+};
+
+if (document.body) start();
+else window.addEventListener('DOMContentLoaded', start, { once: true });