Add reviewdog into PR workflow

.github/workflows/pull_request.yml

@@ -11,6 +11,45 @@ concurrency:
   cancel-in-progress: true
 
 jobs:
+  reviewdog:
+    permissions:
+      pull-requests: write
+    runs-on: ubuntu-latest
+    steps:
+    - name: 'Checkout Repository'
+      uses: actions/checkout@v4
+    - uses: actions/setup-java@v4
+      with:
+        distribution: temurin
+        java-version-file: .java-version
+    - name: Validate Gradle Wrapper
+      uses: gradle/actions/wrapper-validation@v3
+    - name: Cache konan
+      uses: actions/cache@v4
+      with:
+        path: ~/.konan
+        key: ${{ runner.os }}-gradle-${{ hashFiles('*.gradle.kts') }}
+        restore-keys: |
+          ${{ runner.os }}-gradle-
+    - name: Cache unicode data
+      uses: actions/cache@v4
+      with:
+        path: build/unicode_dump
+        key: unicode-dump-${{ hashFiles('build/unicode_dump/*') }}
+        restore-keys: |
+          unicode-dump-
+    - name: Setup Gradle
+      uses: gradle/actions/setup-gradle@v3
+      with:
+        gradle-version: wrapper
+    - name: Setup reviewdog
+      uses: reviewdog/action-setup@v1
+      with:
+        reviewdog_version: latest
+    - name: Run reviewdog
+      env:
+        REVIEWDOG_GITHUB_API_TOKEN: ${{ secrets.GITHUB_TOKEN }}
+      run: reviewdog -reporter=github-pr-review
   check-pr:
     uses: ./.github/workflows/build-and-test.yml
     with:

.reviewdog.yml

@@ -0,0 +1,13 @@
+runner:
+  detekt:
+    cmd: "./gradlew -q detekt detektAll --console plain"
+    errorformat: # (optional if you use `format`)
+      - "%f:%l:%c: %m"
+    name: detekt
+    level: error
+  ktlint:
+    cmd: "./gradlew ktlintCheck --console plain"
+    errorformat: # (optional if you use `format`)
+      - "%f:%l:%c %m"
+    name: ktlint
+    level: error

src/commonMain/kotlin/io/github/optimumcode/json/schema/internal/ReferenceValidator.kt

@@ -21,6 +21,7 @@ internal object ReferenceValidator {
     referencesWithPath: Map<RefId, PointerWithBaseId>,
     usedRef: Set<ReferenceLocation>,
   ) {
+    // TODO: test comment for reviewdog to detekt
     val missingRefs: Map<RefId, List<ReferenceLocation>> =
       usedRef.asSequence()
         .filter { it.refId !in referencesWithPath }