fix(trpc): make sure "import type" is used for type-only imports (#1425)

Author: ymc9

packages/plugins/trpc/src/generator.ts

@@ -99,19 +99,21 @@ function createAppRouter(
         {
             namedImports: [
                 'unsetMarker',
-                'type AnyRouter',
-                'type AnyRootConfig',
-                'type CreateRouterInner',
-                'type Procedure',
-                'type ProcedureBuilder',
-                'type ProcedureParams',
-                'type ProcedureRouterRecord',
-                'type ProcedureType',
+                'AnyRouter',
+                'AnyRootConfig',
+                'CreateRouterInner',
+                'Procedure',
+                'ProcedureBuilder',
+                'ProcedureParams',
+                'ProcedureRouterRecord',
+                'ProcedureType',
             ],
+            isTypeOnly: true,
             moduleSpecifier: '@trpc/server',
         },
         {
-            namedImports: ['type PrismaClient'],
+            namedImports: ['PrismaClient'],
+            isTypeOnly: true,
             moduleSpecifier: prismaImport,
         },
     ]);