Polish explorer frontend validation and utility pages

frontend/scripts/smoke-routes.mjs

@@ -0,0 +1,64 @@
+const baseUrl = (process.env.BASE_URL || 'http://127.0.0.1:3000').replace(/\/$/, '')
+
+const checks = [
+  { path: '/', expect: ['/addresses', '/transactions', '/watchlist', '/pools'] },
+  { path: '/blocks', expect: ['Latest Blocks', 'View blockchain blocks', 'Blocks'] },
+  { path: '/transactions', expect: ['Latest Transactions', 'Recent Transactions', 'Transactions'] },
+  { path: '/addresses', expect: ['Open An Address', 'Recently Active Addresses', 'Saved Watchlist'] },
+  { path: '/tokens', expect: ['Find A Token', 'Common token searches', 'Tokens'] },
+  { path: '/pools', expect: ['Canonical PMM routes', 'Pool operation shortcuts', 'Pools'] },
+  { path: '/watchlist', expect: ['Saved Addresses', 'Watchlist', 'Export JSON'] },
+  { path: '/search?q=cUSDT', expect: ['Search Results', 'Results for', 'Search'] },
+  { path: '/blocks/1', expect: ['Loading block details', 'Block Details'] },
+  {
+    path: '/transactions/0x0000000000000000000000000000000000000000000000000000000000000000',
+    expect: ['Loading transaction details', 'Transaction Details', 'Transaction not found'],
+  },
+  {
+    path: '/addresses/0x0000000000000000000000000000000000000000',
+    expect: ['Loading address details', 'Address Details', 'Open An Address'],
+  },
+]
+
+function hasExpectedBody(text, expectedSnippets) {
+  return expectedSnippets.some((snippet) => text.includes(snippet))
+}
+
+async function run() {
+  let failures = 0
+
+  for (const check of checks) {
+    const url = `${baseUrl}${check.path}`
+
+    try {
+      const response = await fetch(url, { redirect: 'follow' })
+      const body = await response.text()
+
+      if (!response.ok) {
+        console.error(`FAIL ${check.path}: HTTP ${response.status}`)
+        failures += 1
+        continue
+      }
+
+      if (!hasExpectedBody(body, check.expect)) {
+        console.error(`FAIL ${check.path}: expected one of ${check.expect.join(' | ')}`)
+        failures += 1
+        continue
+      }
+
+      console.log(`OK   ${check.path}`)
+    } catch (error) {
+      console.error(`FAIL ${check.path}: ${error instanceof Error ? error.message : String(error)}`)
+      failures += 1
+    }
+  }
+
+  if (failures > 0) {
+    process.exitCode = 1
+    return
+  }
+
+  console.log(`All ${checks.length} route checks passed for ${baseUrl}`)
+}
+
+run()