sha

app.js

@@ -450,15 +450,15 @@ historyToggle.addEventListener('click', ()=>{
 // historyBtn.addEventListener('click', toggleHistory)
 // if (historyToggle) historyToggle.addEventListener('click', toggleHistory)
 
-historyBack.addEventListener('click', ()=>{
-  historyScreen.classList.add('hidden')
-  menuScreen.classList.remove('hidden')
-})
+// historyBack.addEventListener('click', ()=>{
+//   historyScreen.classList.add('hidden')
+//   menuScreen.classList.remove('hidden')
+// })
 
-clearHistoryBtn.addEventListener('click', ()=>{
-  try{ localStorage.removeItem('matma:history') }catch(e){}
-  renderHistory()
-})
+// clearHistoryBtn.addEventListener('click', ()=>{
+//   try{ localStorage.removeItem('matma:history') }catch(e){}
+//   renderHistory()
+// })
 
 // keyboard support: allow Enter/Backspace/0-9
 window.addEventListener('keydown', (e)=>{
@@ -479,29 +479,34 @@ window.addEventListener('keydown', (e)=>{
 // small helper to set initial focus - mobile browsers will not open keyboard for divs
 document.addEventListener('touchstart', ()=>{}, {passive:true})
 
-// load COMMIT_SHA from /version.js if present (no-cache fetch)
-;(function loadCommitSha(){
+// Load commit SHA into footer (robust: prefers window.COMMIT_SHA, then meta tag, then fetch plain file)
+document.addEventListener('DOMContentLoaded', async () => {
   const el = document.getElementById('commit-sha')
   if (!el) return
-  // prefer a no-cache fetch
-  fetch('/version.js', {cache: 'no-store'})
-    .then(r => {
-      if (!r.ok) throw new Error('no version.js')
-      return r.text()
-    })
-    .then(text => {
-      // naive parse: look for COMMIT_SHA = '...'; or window.COMMIT_SHA
-      let m = text.match(/COMMIT_SHA\s*=\s*['\"]([0-9a-fA-F]+)['\"]/)
-      if (m) return m[1]
-      m = text.match(/window\.COMMIT_SHA\s*=\s*['\"]([0-9a-fA-F]+)['\"]/)
-      if (m) return m[1]
-      return null
-    })
-    .catch(()=>{
-      // fallback to global
-      return (window && window.COMMIT_SHA) ? window.COMMIT_SHA : null
-    })
-    .then(sha => {
-      el.textContent = sha ? sha.slice(0,8) : 'unknown'
-    })
-})()
+  // 1) prefer a global injected by CI: window.COMMIT_SHA
+  let sha = (window.COMMIT_SHA || '').toString().trim()
+  // 2) fallback to meta tag if CI injects that instead
+  if (!sha) {
+    const meta = document.querySelector('meta[name="commit-sha"]')
+    if (meta && meta.content) sha = meta.content.trim()
+  }
+  // 3) finally try to fetch the external file (works if it's plain text or a tiny JS file)
+  if (!sha) {
+    try {
+      const res = await fetch('/version.js', { cache: 'no-cache' })
+      if (res.ok) {
+        const txt = (await res.text()).trim()
+        // try to extract a quoted/assigned sha like: window.COMMIT_SHA = "abc..." or COMMIT_SHA: "..."
+        const m = txt.match(/COMMIT_SHA\s*(?:=|:)\s*["']?([0-9a-fA-F]{7,40})["']?/)
+        if (m && m[1]) sha = m[1]
+        else {
+          const firstLine = txt.split(/\r?\n/).find(l => l.trim().length>0)
+          if (firstLine) sha = firstLine.trim()
+        }
+      }
+    } catch (e) {
+      // ignore failures silently
+    }
+  }
+  if (sha) el.textContent = sha.slice(0,8)
+})