fix(overmind): fix typing related to non existing modules

Author: christianalfoni

packages/node_modules/overmind/src/index.ts

@@ -131,41 +131,47 @@ export type TConfig<Config extends Configuration> = {
           { state: {} }
         >[P]['state']
       }
-    : Config['state'] &
-        {
-          [P in keyof SubType<Config['modules'], { state: {} }>]: SubType<
-            Config['modules'],
-            { state: {} }
-          >[P]['state']
-        }
+    : [Config['modules']] extends [undefined]
+      ? Config['state']
+      : Config['state'] &
+          {
+            [P in keyof SubType<Config['modules'], { state: {} }>]: SubType<
+              Config['modules'],
+              { state: {} }
+            >[P]['state']
+          }
   effects: [Config['effects']] extends [undefined]
     ? {
         [P in keyof SubType<Config['modules'], { effects: object }>]: SubType<
           Config['modules'],
           { effects: object }
         >[P]['effects']
       }
-    : Config['effects'] &
-        {
-          [P in keyof SubType<Config['modules'], { effects: object }>]: SubType<
-            Config['modules'],
-            { effects: object }
-          >[P]['effects']
-        }
+    : [Config['modules']] extends [undefined]
+      ? Config['effects']
+      : Config['effects'] &
+          {
+            [P in keyof SubType<
+              Config['modules'],
+              { effects: object }
+            >]: SubType<Config['modules'], { effects: object }>[P]['effects']
+          }
   actions: [Config['actions']] extends [undefined]
     ? {
         [P in keyof SubType<Config['modules'], { actions: object }>]: SubType<
           Config['modules'],
           { actions: object }
         >[P]['actions']
       }
-    : Config['actions'] &
-        {
-          [P in keyof SubType<Config['modules'], { actions: object }>]: SubType<
-            Config['modules'],
-            { actions: object }
-          >[P]['actions']
-        }
+    : [Config['modules']] extends [undefined]
+      ? Config['actions']
+      : Config['actions'] &
+          {
+            [P in keyof SubType<
+              Config['modules'],
+              { actions: object }
+            >]: SubType<Config['modules'], { actions: object }>[P]['actions']
+          }
   reactions: any
   namespaces: any
 }