fix(build): modernize project configuration and test setup for current toolchain compatibility

test/test.node.ts

@@ -0,0 +1,45 @@
+import { tap, expect } from '@git.zone/tstest/tapbundle';
+
+import * as smartfm from '../ts/index.js';
+
+let testSmartfm = new smartfm.Smartfm({ fmType: 'yaml' });
+tap.test('.parse()', async () => {
+  let testString = `---
+testKey: testValue
+testKey2: testValue2
+---
+# some markdown
+`;
+  let parsedString = testSmartfm.parse(testString);
+  expect(parsedString.data).toHaveProperty('testKey', 'testValue');
+  expect(parsedString.data).toHaveProperty('testKey2', 'testValue2');
+  expect(parsedString.orig.toString()).toEqual(testString);
+});
+tap.test('should stringify data', async () => {
+  let testStringPure = `# some markdown heading\nsome first row`;
+  let testStringCombined = testSmartfm.stringify(testStringPure, { testData: 'hi' });
+  let resultString = '---\ntestData: hi\n---\n# some markdown heading\nsome first row\n';
+  expect(resultString).toEqual(testStringCombined);
+});
+
+tap.test('should parse a normal frontmatter file', async () => {
+  const normalFile = `---
+heythere: awesome
+---
+really 
+`;
+  let result = testSmartfm.parse(normalFile);
+  expect(result.data.heythere).toEqual('awesome');
+});
+
+tap.test('should parse a commented out frontmatter file', async () => {
+  const commentedFile = `# ---
+# heythere: awesome
+# ---
+really 
+`;
+  let result = testSmartfm.parseFromComments('# ', commentedFile);
+  console.log(result);
+});
+
+export default tap.start();