ci: upgrade node version. (#1)

* refactor: remove unused code.

* chore: add default export.

* ci: report coverage.

.github/workflows/ci.yml

@@ -18,7 +18,7 @@ jobs:
       - name: Setup Node
         uses: actions/[email protected]
         with:
-          node-version: '20.0.0'
+          node-version: '22.2.0'
       - name: Install Dependencies
         run: npm ci
       - name: Save error log
@@ -31,5 +31,9 @@ jobs:
         run: npm run lint
       - name: Test
         run: npm test
+      - name: Report Coverage
+        uses: codecov/[email protected]
+        with:
+          token: ${{ secrets.CODECOV_TOKEN }}
       - name: Pack
         run: npm pack

.github/workflows/publish.yml

@@ -14,7 +14,7 @@ jobs:
       - name: Setup Node
         uses: actions/[email protected]
         with:
-          node-version: '20.0.0'
+          node-version: '22.2.0'
       - name: Install Dependencies
         run: npm ci
       - name: Save error log

codecov.yml

@@ -2,7 +2,7 @@ coverage:
   status:
     project:
       default:
-        target: 80.0
+        target: 75.0
         threshold: 0.5
     patch:
       default: