Improved lens find interface output type (#77)

library/lens/lens.ts

@@ -11,7 +11,7 @@ import {
 import { decode } from "../decoder.ts";
 
 import { QueryBuilder } from "./query_builder.ts";
-import type { Entity } from "./types.ts";
+import type { Entity, Unite } from "./types.ts";
 import { QueryEngineProxy } from "../engine/query_engine_proxy.ts";
 
 /**
@@ -58,7 +58,7 @@ export class Lens<
   }
 
   private decode(graph: Graph) {
-    return decode(graph, this.schema, this.context) as unknown as I[];
+    return decode(graph, this.schema, this.context) as unknown as Unite<I>[];
   }
 
   async count() {

library/lens/types.ts

@@ -1,11 +1,13 @@
 import type { SchemaInterfaceIdentity } from "../schema/mod.ts";
 
-export type Entity<
-  T extends unknown = Record<string, unknown>,
-> =
+export type Entity<T extends unknown = Record<string, unknown>> =
   & DeepPartial<T>
   & SchemaInterfaceIdentity;
 
 export type DeepPartial<T> = T extends Record<string, unknown>
   ? { [P in keyof T]?: DeepPartial<T[P]> }
   : T;
+
+export type Unite<T> = T extends Record<string, unknown>
+  ? { [Key in keyof T]: T[Key] }
+  : T;

library/schema/interface.ts

@@ -1,16 +1,7 @@
 import type { SupportedDataTypes } from "./data_types.ts";
 import type { PropertyPrototype, SchemaPrototype } from "./schema.ts";
 
-type Prettify<T> =
-  & {
-    [K in keyof T]: T[K];
-  }
-  // deno-lint-ignore ban-types
-  & {};
-
-type Unite<T> = T extends Record<string, unknown> ? {
-    [Key in keyof T]: T[Key];
-  }
+type Unite<T> = T extends Record<string, unknown> ? { [Key in keyof T]: T[Key] }
   : T;
 
 type IsOptional<Property extends PropertyPrototype> = Property extends {