1

scripts/dev-web-rust.mjs

@@ -37,14 +37,30 @@ loadEnvFile(resolve(repoRoot, '.env'), fileEnv);
 loadEnvFile(resolve(repoRoot, '.env.local'), fileEnv);
 loadEnvFile(resolve(repoRoot, '.env.secrets.local'), fileEnv);
 
-function buildTargetCandidates() {
+function resolveConfiguredTarget() {
+  if (fileEnv.GENARRATIVE_RUNTIME_SERVER_TARGET) {
+    return fileEnv.GENARRATIVE_RUNTIME_SERVER_TARGET;
+  }
+
+  if (fileEnv.RUST_SERVER_TARGET) {
+    return fileEnv.RUST_SERVER_TARGET;
+  }
+
+  if (fileEnv.GENARRATIVE_API_TARGET) {
+    return fileEnv.GENARRATIVE_API_TARGET;
+  }
+
+  if (fileEnv.GENARRATIVE_API_PORT) {
+    return `http://127.0.0.1:${fileEnv.GENARRATIVE_API_PORT}`;
+  }
+
+  return '';
+}
+
+function buildFallbackCandidates() {
   const candidates = [
-    fileEnv.GENARRATIVE_RUNTIME_SERVER_TARGET,
-    fileEnv.RUST_SERVER_TARGET,
-    fileEnv.GENARRATIVE_API_TARGET,
-    `http://127.0.0.1:${fileEnv.GENARRATIVE_API_PORT || '3100'}`,
-    'http://127.0.0.1:8082',
     'http://127.0.0.1:3100',
+    'http://127.0.0.1:8082',
   ].filter(Boolean);
 
   return Array.from(new Set(candidates));
@@ -70,39 +86,30 @@ async function isTargetReachable(target) {
 }
 
 async function resolveRuntimeTarget() {
-  const candidates = buildTargetCandidates();
-  const reachableTargets = [];
+  const configuredTarget = resolveConfiguredTarget();
 
-  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) {
+  if (configuredTarget) {
     return {
-      target: reachableTargets[0],
-      fallbackUsed: true,
+      target: configuredTarget,
+      fallbackUsed: false,
+      targetUnavailable: !(await isTargetReachable(configuredTarget)),
     };
   }
 
+  for (const target of buildFallbackCandidates()) {
+    if (await isTargetReachable(target)) {
+      return {
+        target,
+        fallbackUsed: true,
+        targetUnavailable: false,
+      };
+    }
+  }
+
   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'}`,
+    target: 'http://127.0.0.1:3100',
     fallbackUsed: false,
+    targetUnavailable: true,
   };
 }
 
@@ -113,6 +120,12 @@ if (runtimeTarget.fallbackUsed) {
   );
 }
 
+if (runtimeTarget.targetUnavailable) {
+  console.warn(
+    `[dev:web] Rust target 当前不可用: ${runtimeTarget.target}，请先启动 api-server。`,
+  );
+}
+
 const mergedEnv = {
   ...fileEnv,
   RUST_SERVER_TARGET: runtimeTarget.target,