0.1.21 (#21)

Co-authored-by: Julien Valverdé <julien.valverde@mailo.com>
Reviewed-on: https://git.jvalver.de/Thilawyn/traitify-ts/pulls/21

src/effect/EffectSchemaTraitExpression.ts

@@ -0,0 +1,84 @@
+import { Schema as S } from "@effect/schema"
+import { AbstractConstructor, Simplify } from "type-fest"
+import { Trait, TraitTuple } from "../Trait"
+import { StaticImplements, TraitExpressionLike } from "../TraitExpression"
+import { Extend, StaticMembers } from "../util"
+
+
+export class EffectSchemaTraitExpression<
+    Fields                  extends S.Struct.Fields,
+    I, R, C,
+    Inherited               extends object,
+    Proto,
+    Static                  extends object,
+
+    const Traits            extends readonly Trait<any, any, any, any>[],
+
+    const Mutability        extends "Immutable" | "Mutable",
+    const EncodedMutability extends "Immutable" | "Mutable",
+>
+implements TraitExpressionLike<
+    S.Class<unknown, Fields, I, R, C, Inherited, Proto>,
+    Traits
+> {
+    constructor(
+        readonly superclass:         S.Class<unknown, Fields, I, R, C, Inherited, Proto>,
+        readonly superclassStatic:   Static,
+        readonly traits:             Traits,
+        readonly mutability:         Mutability,
+        readonly encodedMutability:  EncodedMutability,
+    ) {}
+
+
+    extends<Self>(): (
+        AbstractConstructor<
+            ApplyMutability<S.Struct.Type<Fields>, Mutability> &
+            Omit<Inherited, keyof Fields> &
+            Proto,
+
+            ConstructorParameters<S.Class<unknown, Fields, I, R, C, Inherited, Proto>>
+        > &
+
+        StaticMembers<
+            S.Class<
+                Self,
+                Fields,
+                ApplyMutability<I, EncodedMutability>,
+                R, C,
+                Simplify<
+                    Extend<[
+                        Inherited,
+                        ...TraitTuple.MapImplInstance<Traits>
+                    ]>
+                >,
+                Proto
+            >
+        > &
+
+        Simplify<
+            Extend<[
+                Static,
+                ...TraitTuple.MapImplStaticMembers<Traits>
+            ]>
+        >
+    ) {
+        return this.traits.reduce(
+            (previous, trait) => trait.apply(previous),
+            this.superclass,
+        ) as any
+    }
+
+
+    staticImplements(_target: StaticImplements<typeof this>, _context: any) {}
+
+    get staticImplementsStage2() {
+        return (_target: StaticImplements<typeof this>) => {}
+    }
+}
+
+
+type ApplyMutability<T, Mutability extends "Immutable" | "Mutable"> = (
+    Mutability extends "Immutable"
+        ? { +readonly [P in keyof T]: T[P] }
+        : { -readonly [P in keyof T]: T[P] }
+)