1

scripts/dev-web-rust.mjs

@@ -37,22 +37,93 @@ loadEnvFile(resolve(repoRoot, '.env'), fileEnv);
 loadEnvFile(resolve(repoRoot, '.env.local'), fileEnv);
 loadEnvFile(resolve(repoRoot, '.env.secrets.local'), fileEnv);
 
+function buildTargetCandidates() {
+  const candidates = [
+    fileEnv.GENARRATIVE_RUNTIME_SERVER_TARGET,
+    fileEnv.RUST_SERVER_TARGET,
+    fileEnv.GENARRATIVE_API_TARGET,
+    `http://127.0.0.1:${fileEnv.GENARRATIVE_API_PORT || '3100'}`,
+    'http://127.0.0.1:8082',
+    'http://127.0.0.1:3100',
+  ].filter(Boolean);
+
+  return Array.from(new Set(candidates));
+}
+
+async function isTargetReachable(target) {
+  const healthUrl = new URL('/healthz', target);
+  const controller = new AbortController();
+  const timeoutId = setTimeout(() => controller.abort(), 1200);
+
+  try {
+    const response = await fetch(healthUrl, {
+      method: 'GET',
+      signal: controller.signal,
+    });
+
+    return response.ok;
+  } catch {
+    return false;
+  } finally {
+    clearTimeout(timeoutId);
+  }
+}
+
+async function resolveRuntimeTarget() {
+  const candidates = buildTargetCandidates();
+  const reachableTargets = [];
+
+  for (const target of candidates) {
+    if (await isTargetReachable(target)) {
+      reachableTargets.push(target);
+      if (
+        target === fileEnv.GENARRATIVE_RUNTIME_SERVER_TARGET ||
+        target === fileEnv.RUST_SERVER_TARGET ||
+        target === fileEnv.GENARRATIVE_API_TARGET
+      ) {
+        return {
+          target,
+          fallbackUsed: false,
+        };
+      }
+    }
+  }
+
+  if (reachableTargets.length > 0) {
+    return {
+      target: reachableTargets[0],
+      fallbackUsed: true,
+    };
+  }
+
+  return {
+    target:
+      fileEnv.GENARRATIVE_RUNTIME_SERVER_TARGET ||
+      fileEnv.RUST_SERVER_TARGET ||
+      fileEnv.GENARRATIVE_API_TARGET ||
+      `http://127.0.0.1:${fileEnv.GENARRATIVE_API_PORT || '3100'}`,
+    fallbackUsed: false,
+  };
+}
+
+const runtimeTarget = await resolveRuntimeTarget();
+if (runtimeTarget.fallbackUsed) {
+  console.warn(
+    `[dev:web] 配置的 Rust target 不可用，已切换到 ${runtimeTarget.target}`,
+  );
+}
+
 const mergedEnv = {
   ...fileEnv,
-  RUST_SERVER_TARGET:
-    fileEnv.RUST_SERVER_TARGET ||
-    fileEnv.GENARRATIVE_API_TARGET ||
-    `http://127.0.0.1:${fileEnv.GENARRATIVE_API_PORT || '3100'}`,
+  RUST_SERVER_TARGET: runtimeTarget.target,
+  GENARRATIVE_RUNTIME_SERVER_TARGET: runtimeTarget.target,
 };
 
-mergedEnv.GENARRATIVE_RUNTIME_SERVER_TARGET =
-  fileEnv.GENARRATIVE_RUNTIME_SERVER_TARGET || mergedEnv.RUST_SERVER_TARGET;
-
 console.log(`[dev:web] backend=rust target=${mergedEnv.GENARRATIVE_RUNTIME_SERVER_TARGET}`);
 
 const child = spawn(
   'node',
-  ['scripts/vite-cli.mjs', '--port=3000', '--host=0.0.0.0'],
+  ['scripts/vite-cli.mjs', '--port=3000', '--host=0.0.0.0', '--strictPort'],
   {
     cwd: process.cwd(),
     env: mergedEnv,