feat(nodes): ExportDefaultDeclaration

Signed-off-by: Lexus Drumgold <unicornware@flexdevelopment.llc>

src/nodes/__tests__/declaration-export-default.spec-d.ts

@@ -0,0 +1,47 @@
+/**
+ * @file Type Tests - ExportDefaultDeclaration
+ * @module esast/nodes/tests/unit-d/ExportDefaultDeclaration
+ */
+
+import type {
+  ClassDeclaration,
+  Data,
+  Expression,
+  FunctionDeclaration,
+  Parent
+} from '@flex-development/esast'
+import type { Optional } from '@flex-development/tutils'
+import type * as TestSubject from '../declaration-export-default'
+
+describe('unit-d:nodes/ExportDefaultDeclaration', () => {
+  type Subject = TestSubject.default
+  type SubjectData = TestSubject.ExportDefaultDeclarationData
+
+  it('should extend Parent', () => {
+    expectTypeOf<Subject>().toMatchTypeOf<Parent>()
+  })
+
+  it('should match [children: [ClassDeclaration | Expression | FunctionDeclaration]]', () => {
+    expectTypeOf<Subject>()
+      .toHaveProperty('children')
+      .toEqualTypeOf<[ClassDeclaration | Expression | FunctionDeclaration]>()
+  })
+
+  it('should match [data?: Optional<ExportDefaultDeclarationData>]', () => {
+    expectTypeOf<Subject>()
+      .toHaveProperty('data')
+      .toEqualTypeOf<Optional<SubjectData>>()
+  })
+
+  it('should match [type: "exportDefaultDeclaration"]', () => {
+    expectTypeOf<Subject>()
+      .toHaveProperty('type')
+      .toEqualTypeOf<'exportDefaultDeclaration'>()
+  })
+
+  describe('ExportDefaultDeclarationData', () => {
+    it('should extend Data', () => {
+      expectTypeOf<SubjectData>().toMatchTypeOf<Data>()
+    })
+  })
+})

src/nodes/declaration-export-default.ts

@@ -0,0 +1,57 @@
+/**
+ * @file Nodes - ExportDefaultDeclaration
+ * @module esast/nodes/ExportDefaultDeclaration
+ */
+
+import type {
+  ClassDeclaration,
+  Data,
+  Expression,
+  FunctionDeclaration,
+  Parent
+} from '@flex-development/esast'
+import type { Optional } from '@flex-development/tutils'
+
+/**
+ * Info associated with default `export` declarations.
+ *
+ * @see {@linkcode Data}
+ *
+ * @extends {Data}
+ */
+interface ExportDefaultDeclarationData extends Data {}
+
+/**
+ * A default `export` declaration.
+ *
+ * @see {@linkcode Parent}
+ *
+ * @extends {Parent}
+ */
+interface ExportDefaultDeclaration extends Parent {
+  /**
+   * List of children.
+   *
+   * @see {@linkcode ClassDeclaration}
+   * @see {@linkcode Expression}
+   * @see {@linkcode FunctionDeclaration}
+   */
+  children: [declaration: ClassDeclaration | Expression | FunctionDeclaration]
+
+  /**
+   * Info from the ecosystem.
+   *
+   * @see {@linkcode ExportDefaultDeclarationData}
+   */
+  data?: Optional<ExportDefaultDeclarationData>
+
+  /**
+   * Node type.
+   */
+  type: 'exportDefaultDeclaration'
+}
+
+export type {
+  ExportDefaultDeclarationData,
+  ExportDefaultDeclaration as default
+}

src/nodes/index.ts

@@ -19,6 +19,10 @@ export type {
   default as ExportAllDeclaration,
   ExportAllDeclarationData
 } from './declaration-export-all'
+export type {
+  default as ExportDefaultDeclaration,
+  ExportDefaultDeclarationData
+} from './declaration-export-default'
 export type {
   default as FunctionDeclaration,
   FunctionDeclarationData