refactor: improve prettify type performance and benchmark types

Author: thetutlage

benchmarks/deep_partial.ts

@@ -0,0 +1,17 @@
+import { bench } from '@ark/attest'
+import { type DeepPartial } from '../src/base.ts'
+
+export type BaseLine = DeepPartial<{}>
+
+bench('prettify', () => {
+  type User = DeepPartial<{
+    id: number
+    scores: number[]
+    profile: {
+      twitterHandle?: string
+      githubHandle?: string
+    }
+  }>
+
+  return {} as User
+}).types([1, 'instantiations'])

benchmarks/prettify.ts

@@ -0,0 +1,22 @@
+import { bench } from '@ark/attest'
+import { type Prettify } from '../src/base.ts'
+
+export type BaseLine = Prettify<{}>
+
+bench('prettify', () => {
+  type JSONObject<V> = Prettify<{
+    [K in keyof V]: V[K]
+  }>
+  type JSONArray<V> = Prettify<Array<V>>
+
+  type User = JSONObject<{
+    id: number
+    scores: JSONArray<number>
+    profile: JSONObject<{
+      twitterHandle?: string
+      githubHandle?: string
+    }>
+  }>
+
+  return {} as User
+}).types([1, 'instantiations'])

benchmarks/route_params.ts

@@ -0,0 +1,9 @@
+import { bench } from '@ark/attest'
+import { type InferRouteParams } from '../src/route.ts'
+
+export type BaseLine = InferRouteParams<'/'>
+
+bench('prettify', () => {
+  type ViewUser = InferRouteParams<'/users/:id/:name/:slug?'>
+  return {} as ViewUser
+}).types([1, 'instantiations'])

package.json

@@ -30,6 +30,7 @@
     "@adonisjs/eslint-config": "^3.0.0-next.1",
     "@adonisjs/prettier-config": "^1.4.5",
     "@adonisjs/tsconfig": "^2.0.0-next.0",
+    "@ark/attest": "^0.55.0",
     "@japa/assert": "^4.1.1",
     "@japa/expect-type": "^2.0.3",
     "@japa/file-system": "^2.3.2",

src/base.ts

@@ -10,14 +10,9 @@
 /*
  * Pretty print complex types
  */
-export type Prettify<T> = T extends Function
-  ? T
-  : Extract<
-      {
-        [Key in keyof T]: T[Key]
-      },
-      T
-    >
+export type Prettify<T> = {
+  [K in keyof T]: T[K]
+} & {}
 
 /**
  * Primitive values

tsconfig.json

@@ -2,6 +2,7 @@
   "extends": "@adonisjs/tsconfig/tsconfig.package.json",
   "compilerOptions": {
     "rootDir": "./",
+    "moduleResolution": "nodenext",
     "outDir": "./build"
   }
 }