Add directory input test (#32)

.github/workflows/test.yml

@@ -0,0 +1,24 @@
+name: test
+
+on:
+  push:
+    branches: ["master"]
+  pull_request:
+    branches: ["master"]
+  workflow_dispatch:
+
+jobs:
+  directory:
+    runs-on: ubuntu-latest
+
+    steps:
+      - name: Checkout the repository
+        uses: actions/checkout@v4
+
+      - name: Targets specific directory
+        uses: ./
+        with:
+          directory: "tests/action/directory/a/*"
+
+      - name: Compare the minified files
+        run: git diff --exit-code

tests/action/directory/a/a.js

@@ -0,0 +1,7 @@
+function print_hello() {
+	console.log('hello world from a');
+}
+
+window.addEventListener('load', function () {
+	print_hello();
+});

tests/action/directory/b/b.js

@@ -0,0 +1,7 @@
+function print_hello() {
+	console.log('hello world from b');
+}
+
+window.addEventListener('load', function () {
+	print_hello();
+});