feat(types): VariableKind

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

src/types/__tests__/kind-variable.spec-d.ts

@@ -0,0 +1,20 @@
+/**
+ * @file Type Tests - VariableKind
+ * @module esast/types/tests/unit-d/VariableKind
+ */
+
+import type TestSubject from '../kind-variable'
+
+describe('unit-d:types/VariableKind', () => {
+  it('should extract "const"', () => {
+    expectTypeOf<TestSubject>().extract<'const'>().not.toBeNever()
+  })
+
+  it('should extract "let"', () => {
+    expectTypeOf<TestSubject>().extract<'let'>().not.toBeNever()
+  })
+
+  it('should extract "var"', () => {
+    expectTypeOf<TestSubject>().extract<'var'>().not.toBeNever()
+  })
+})

src/types/index.ts

@@ -6,3 +6,4 @@
 export type { default as ImportKind } from './kind-import'
 export type { default as MethodKind } from './kind-method'
 export type { default as PropertyKind } from './kind-property'
+export type { default as VariableKind } from './kind-variable'

src/types/kind-variable.ts

@@ -0,0 +1,11 @@
+/**
+ * @file Type Definitions - VariableKind
+ * @module esast/types/VariableKind
+ */
+
+/**
+ * Variable declaration kinds.
+ */
+type VariableKind = 'const' | 'let' | 'var'
+
+export type { VariableKind as default }