SchemaClass

src/SchemaClass.ts

@@ -0,0 +1,86 @@
+import { Class } from "type-fest"
+import { z } from "zod"
+
+
+export type SchemaClass<
+    Values                             extends {}                 = {},
+    Input                              extends {}                 = {},
+
+    SchemaT                            extends z.ZodRawShape      = z.ZodRawShape,
+    SchemaUnknownKeys                  extends z.UnknownKeysParam = z.UnknownKeysParam,
+    SchemaCatchall                     extends z.ZodTypeAny       = z.ZodTypeAny,
+
+    SchemaWithDefaultValuesT           extends z.ZodRawShape      = z.ZodRawShape,
+    SchemaWithDefaultValuesUnknownKeys extends z.UnknownKeysParam = z.UnknownKeysParam,
+    SchemaWithDefaultValuesCatchall    extends z.ZodTypeAny       = z.ZodTypeAny,
+> = (
+    Class<
+        SchemaObject<
+            Values,
+            Input,
+
+            SchemaT,
+            SchemaUnknownKeys,
+            SchemaCatchall,
+
+            SchemaWithDefaultValuesT,
+            SchemaWithDefaultValuesUnknownKeys,
+            SchemaWithDefaultValuesCatchall
+        >,
+
+        SchemaClassConstructorParams<Values>
+    > & {
+        readonly schema: z.ZodObject<
+            SchemaT,
+            SchemaUnknownKeys,
+            SchemaCatchall,
+            Values,
+            Values
+        >
+
+        readonly schemaWithDefaultValues: z.ZodObject<
+            SchemaWithDefaultValuesT,
+            SchemaWithDefaultValuesUnknownKeys,
+            SchemaWithDefaultValuesCatchall,
+            Values,
+            Input
+        >
+    }
+)
+
+export type SchemaClassConstructorParams<
+    Values extends {} = {}
+> = (
+    Parameters<
+        (data: Values) => void
+    >
+)
+
+export type SchemaObject<
+    Values                             extends {}                 = {},
+    Input                              extends {}                 = {},
+
+    SchemaT                            extends z.ZodRawShape      = z.ZodRawShape,
+    SchemaUnknownKeys                  extends z.UnknownKeysParam = z.UnknownKeysParam,
+    SchemaCatchall                     extends z.ZodTypeAny       = z.ZodTypeAny,
+
+    SchemaWithDefaultValuesT           extends z.ZodRawShape      = z.ZodRawShape,
+    SchemaWithDefaultValuesUnknownKeys extends z.UnknownKeysParam = z.UnknownKeysParam,
+    SchemaWithDefaultValuesCatchall    extends z.ZodTypeAny       = z.ZodTypeAny,
+> = {
+    readonly schema: z.ZodObject<
+        SchemaT,
+        SchemaUnknownKeys,
+        SchemaCatchall,
+        Values,
+        Values
+    >
+
+    readonly schemaWithDefaultValues: z.ZodObject<
+        SchemaWithDefaultValuesT,
+        SchemaWithDefaultValuesUnknownKeys,
+        SchemaWithDefaultValuesCatchall,
+        Values,
+        Input
+    >
+} & Values

src/index.ts

@@ -1 +1,2 @@
+export * from "./SchemaClass"
 export * from "./makeSchemaClass"

src/makeSchemaClass.ts

@@ -25,7 +25,7 @@ export function makeSchemaClass<
 
     const schema = zodObjectRemoveDefaults(schemaWithDefaultValues)
 
-    class SchemaObject {
+    const class_ = class {
         static readonly schema = schema
         static readonly schemaWithDefaultValues = schemaWithDefaultValues
 
@@ -37,12 +37,12 @@ export function makeSchemaClass<
         }
     }
 
-    return SchemaObject as (
+    return class_ as (
         Class<
-            SchemaObject & z.output<typeof schema>,
+            InstanceType<typeof class_> & z.output<typeof schema>,
-            ConstructorParameters<typeof SchemaObject>
+            ConstructorParameters<typeof class_>
         > &
-        StaticMembers<typeof SchemaObject>
+        StaticMembers<typeof class_>
     )
 
 }

src/tests.ts

@@ -10,5 +10,7 @@ const UserSchema = z.object({
 
 const UserSchemaObject = makeSchemaClass({ schema: UserSchema })
 
-const user = new UserSchemaObject({ id: 1n })
+class User extends UserSchemaObject {}
-user.id
+
+const user = new User({ id: 1n })
+user.schema