refactor(server): indexer & worker & sync perf (#15504)

packages/backend/server/src/env.ts

@@ -24,10 +24,17 @@ export enum Flavor {
   Sync = 'sync',
   Renderer = 'renderer',
   Front = 'front',
-  Doc = 'doc',
+  Worker = 'worker',
   Script = 'script',
 }
 
+export enum ServerRole {
+  Frontend = 'frontend',
+  Api = 'api',
+  Worker = 'worker',
+  AllInOne = 'allinone',
+}
+
 export enum Namespace {
   Dev = 'dev',
   Beta = 'beta',
@@ -101,6 +108,39 @@ export class Env implements AppEnv {
     return this.DEPLOYMENT_TYPE === DeploymentType.Selfhosted;
   }
 
+  get role(): ServerRole | undefined {
+    switch (this.FLAVOR) {
+      case Flavor.AllInOne:
+        return ServerRole.AllInOne;
+      case Flavor.Graphql:
+        return ServerRole.Api;
+      case Flavor.Worker:
+        return ServerRole.Worker;
+      case Flavor.Front:
+      case Flavor.Sync:
+      case Flavor.Renderer:
+        return ServerRole.Frontend;
+      case Flavor.Script:
+        return undefined;
+    }
+  }
+
+  get isApi() {
+    return this.FLAVOR === Flavor.Graphql || this.FLAVOR === Flavor.AllInOne;
+  }
+
+  get isWorker() {
+    return this.FLAVOR === Flavor.Worker || this.FLAVOR === Flavor.AllInOne;
+  }
+
+  get isFrontend() {
+    return (
+      this.FLAVOR === Flavor.Front ||
+      this.FLAVOR === Flavor.Sync ||
+      this.FLAVOR === Flavor.Renderer
+    );
+  }
+
   isFlavor(flavor: Flavor) {
     return this.FLAVOR === flavor || this.FLAVOR === Flavor.AllInOne;
   }
@@ -111,7 +151,7 @@ export class Env implements AppEnv {
       sync: this.isFlavor(Flavor.Sync),
       renderer: this.isFlavor(Flavor.Renderer),
       front: this.FLAVOR === Flavor.Front,
-      doc: this.isFlavor(Flavor.Doc),
+      worker: this.isFlavor(Flavor.Worker),
       // Script in a special flavor, return true only when it is set explicitly
       script: this.FLAVOR === Flavor.Script,
     };