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test/static/recursive.ts

@@ -0,0 +1,100 @@
+import { Static, Type } from '@sinclair/typebox'
+import { Expect } from './assert'
+
+{
+  // identity
+  const R = Type.Recursive((Node) =>
+    Type.Object({
+      id: Type.String(),
+      nodes: Type.Array(Node),
+    }),
+  )
+  type T = Static<typeof R>
+  Expect(R).ToStatic<{ id: string; nodes: T[] }>()
+}
+{
+  // keyof
+  const R = Type.Recursive((Node) =>
+    Type.Object({
+      id: Type.String(),
+      nodes: Type.Array(Node),
+    }),
+  )
+  const T = Type.KeyOf(R)
+  Expect(T).ToStatic<'id' | 'nodes'>()
+}
+{
+  // partial
+  const R = Type.Recursive((Node) =>
+    Type.Object({
+      id: Type.String(),
+      nodes: Type.Array(Node),
+    }),
+  )
+  const T = Type.Partial(R)
+  Expect(T).ToStatic<{
+    id?: string | undefined
+    nodes?: Static<typeof T>[] | undefined
+  }>()
+}
+{
+  // required
+  const R = Type.Recursive((Node) =>
+    Type.Object({
+      id: Type.String(),
+      nodes: Type.Array(Node),
+    }),
+  )
+  const P = Type.Partial(R)
+  const T = Type.Required(P)
+  Expect(T).ToStatic<{
+    id: string
+    nodes: Static<typeof T>[]
+  }>()
+}
+{
+  // pick
+  const R = Type.Recursive((Node) =>
+    Type.Object({
+      id: Type.String(),
+      nodes: Type.Array(Node),
+    }),
+  )
+  const T = Type.Pick(R, ['id'])
+  Expect(T).ToStatic<{
+    id: string
+  }>()
+}
+{
+  // omit
+  const R = Type.Recursive((Node) =>
+    Type.Object({
+      id: Type.String(),
+      nodes: Type.Array(Node),
+    }),
+  )
+  const T = Type.Omit(R, ['id'])
+  Expect(T).ToStatic<{
+    nodes: Static<typeof T>[]
+  }>()
+}
+// prettier-ignore
+{
+  // issue: https://github.com/sinclairzx81/typebox/issues/336
+  type JSONValue = 
+    | string 
+    | number 
+    | null 
+    | boolean 
+    | { [x: string]: JSONValue } 
+    | JSONValue[]
+  const R = Type.Recursive((Node) => Type.Union([
+    Type.Null(), 
+    Type.String(), 
+    Type.Number(), 
+    Type.Boolean(), 
+    Type.Record(Type.String(), Node), 
+    Type.Array(Node)
+  ]))
+  Expect(R).ToStatic<JSONValue>()
+}