src/effect/schema/Jsonifiable.ts

@@ -2,12 +2,25 @@ import { Schema as S } from "@effect/schema"
 import type * as TF from "type-fest"
 
 
-export function Jsonifiable<
-    A, I, R,
-    JsonifiableA extends I, JsonifiableI extends TF.Jsonifiable, JsonifiableR,
->(
+// export function Jsonifiable<
+//     A, I, R,
+//     JsonifiableA extends I, JsonifiableI extends TF.Jsonifiable, JsonifiableR,
+// >(
+//     schema:       S.Schema<A, I, R>,
+//     jsonifiable:  S.Schema<JsonifiableA, JsonifiableI, JsonifiableR>,
+// ) {
+//     return jsonifiable.pipe(S.compose(schema))
+// }
+
+export function Jsonifiable<A, I, R>(
     schema: S.Schema<A, I, R>,
-    jsonifiable:  S.Schema<JsonifiableA, JsonifiableI, JsonifiableR>,
 ) {
-    return jsonifiable.pipe(S.compose(schema))
+    return <
+        JsonifiableA extends I,
+        JsonifiableI extends TF.Jsonifiable,
+        JsonifiableR,
+    >(
+        jsonifiable: S.Schema<JsonifiableA, JsonifiableI, JsonifiableR>
+    ) =>
+        jsonifiable.pipe(S.compose(schema))
 }

src/effect/schema/tests.ts

@@ -1,5 +1,6 @@
 import { Schema as S } from "@effect/schema"
 import { reaction, runInAction } from "mobx"
+import { Jsonifiable } from "./Jsonifiable"
 import { MobXObservable, MutableTaggedClass } from "./class"
 
 
@@ -10,6 +11,19 @@ class User extends MutableTaggedClass<User>()("User", {
     MobXObservable
 ) {}
 
+const JsonifiableUser = User.pipe(
+    Jsonifiable(S.Struct({
+        ...User.fields,
+        id: S.BigInt,
+    }))
+)
+
+const JsonifiableUser2 = Jsonifiable(User)(S.Struct({
+    ...User.fields,
+    id: S.BigInt,
+}))
+
+
 const user1 = new User({ id: -1n, role: "BasicUser" })
 reaction(() => user1.id, id => console.log(`user1 id changed: ${ id }`))