test: Adds haystack tests

Author: NeedleInAJayStack

src/haystack.test.ts

@@ -0,0 +1,18 @@
+import { isRef, parseRef } from 'haystack';
+
+// Just a stub test
+describe('haystack test', () => {
+  it('isRef', () => {
+    expect(isRef('@abc')).toBe(true);
+    expect(isRef('@abc 123')).toBe(true);
+    expect(isRef('@abc 123 abc')).toBe(true);
+    expect(isRef('abc 123')).toBe(false);
+    expect(isRef('abc @123')).toBe(false);
+  });
+
+  it('parseRef', () => {
+    expect(parseRef('@abc')).toStrictEqual({ id: '@abc', dis: null });
+    expect(parseRef('@abc "123"')).toStrictEqual({ id: '@abc', dis: '123' });
+    expect(parseRef('@abc "123 abc"')).toStrictEqual({ id: '@abc', dis: '123 abc' });
+  });
+});