refactor(nodes): [Root] allow position

Signed-off-by: Lexus Drumgold <[email protected]>

README.md

@@ -241,7 +241,6 @@ children — it is a [*leaf*][unist-leaf].
 interface Root extends Parent {
   children: Comment[]
   data?: RootData | undefined
-  position?: undefined
   type: 'root'
 }
 ```

src/nodes/__tests__/root.spec-d.ts

@@ -3,33 +3,37 @@
  * @module docast/nodes/tests/unit-d/Root
  */
 
+import type { Comment, Data, Parent } from '@flex-development/docast'
 import type { Optional } from '@flex-development/tutils'
-import type Comment from '../comment'
-import type Parent from '../parent'
-import type { RootData, default as TestSubject } from '../root'
+import type * as TestSubject from '../root'
 
 describe('unit-d:nodes/Root', () => {
+  type Subject = TestSubject.default
+  type SubjectData = TestSubject.RootData
+
   it('should extend Parent', () => {
-    expectTypeOf<TestSubject>().toMatchTypeOf<Parent>()
+    expectTypeOf<Subject>().toMatchTypeOf<Parent>()
   })
 
   it('should match [children: Comment[]]', () => {
-    expectTypeOf<TestSubject>()
+    expectTypeOf<Subject>()
       .toHaveProperty('children')
       .toEqualTypeOf<Comment[]>()
   })
 
   it('should match [data?: Optional<RootData>]', () => {
-    expectTypeOf<TestSubject>()
+    expectTypeOf<Subject>()
       .toHaveProperty('data')
-      .toEqualTypeOf<Optional<RootData>>()
+      .toEqualTypeOf<Optional<SubjectData>>()
   })
 
-  it('should match [position?: undefined]', () => {
-    expectTypeOf<TestSubject>().toHaveProperty('position').toBeUndefined()
+  it('should match [type: "root"]', () => {
+    expectTypeOf<Subject>().toHaveProperty('type').toEqualTypeOf<'root'>()
   })
 
-  it('should match [type: "root"]', () => {
-    expectTypeOf<TestSubject>().toHaveProperty('type').toEqualTypeOf<'root'>()
+  describe('RootData', () => {
+    it('should extend Data', () => {
+      expectTypeOf<SubjectData>().toMatchTypeOf<Data>()
+    })
   })
 })

src/nodes/root.ts

@@ -3,10 +3,8 @@
  * @module docast/nodes/Root
  */
 
-import type { Data } from '#src/interfaces'
+import type { Comment, Data, Parent } from '@flex-development/docast'
 import type { Optional } from '@flex-development/tutils'
-import type Comment from './comment'
-import type Parent from './parent'
 
 /**
  * Info associated with documents.
@@ -35,17 +33,12 @@ interface Root extends Parent {
   children: Comment[]
 
   /**
-   * Data associated with docast root.
+   * Info from the ecosystem.
    *
    * @see {@linkcode RootData}
    */
   data?: Optional<RootData>
 
-  /**
-   * Position of root in source document.
-   */
-  position?: undefined
-
   /**
    * Node type.
    */