chore: add test

test/parser.test.ts

@@ -0,0 +1,18 @@
+import { describe, expect, it } from 'vitest'
+import { matter } from '@md-report/parser'
+
+const source = `---
+aaa: bbb
+ccc: 111
+ddd: true
+---`
+
+describe('frontmatter', () => {
+  it('get frontmatter', () => {
+    expect(matter(source).data).toEqual({
+      aaa: 'bbb',
+      ccc: 111,
+      ddd: true,
+    })
+  })
+})