From 3a88e974ed05fbb8856dbec91f3223e40c8b0454 Mon Sep 17 00:00:00 2001
From: utkarsh patrikar <utkarshpatrikar@gmail.com>
Date: Sun, 17 May 2026 01:46:42 +0530
Subject: [PATCH] feat: use custom JS script for PR labeling

---
 .github/labeler.yml           | 40 -------------------------
 .github/scripts/pr-labeler.js | 55 +++++++++++++++++++++++++++++++++++
 .github/workflows/labeler.yml | 13 ++++++---
 3 files changed, 64 insertions(+), 44 deletions(-)
 delete mode 100644 .github/labeler.yml
 create mode 100644 .github/scripts/pr-labeler.js

diff --git a/.github/labeler.yml b/.github/labeler.yml
deleted file mode 100644
index 272be85..0000000
--- a/.github/labeler.yml
+++ /dev/null
@@ -1,40 +0,0 @@
-documentation:
-  - changed-files:
-    - any-glob-to-any-file:
-      - 'docs/**/*'
-      - '**/*.md'
-
-frontend:
-  - changed-files:
-    - any-glob-to-any-file:
-      - 'src/**/*'
-      - 'public/**/*'
-
-ci/cd:
-  - changed-files:
-    - any-glob-to-any-file:
-      - '.github/workflows/**/*'
-
-tests:
-  - changed-files:
-    - any-glob-to-any-file: ['src/__tests__/**']
-
-docker:
-  - changed-files:
-    - any-glob-to-any-file: ['src/docker/**']
-
-kubernetes:
-  - changed-files:
-    - any-glob-to-any-file: ['src/kubernetes/**', 'src/minikube/**']
-
-ui:
-  - changed-files:
-    - any-glob-to-any-file: ['src/ui/**']
-
-commands:
-  - changed-files:
-    - any-glob-to-any-file: ['src/commands/**']
-
-build:
-  - changed-files:
-    - any-glob-to-any-file: ['package.json', 'package-lock.json', 'tsconfig.json']
diff --git a/.github/scripts/pr-labeler.js b/.github/scripts/pr-labeler.js
new file mode 100644
index 0000000..dfa36d9
--- /dev/null
+++ b/.github/scripts/pr-labeler.js
@@ -0,0 +1,55 @@
+module.exports = async ({ github, context }) => {
+  const pull_number = context.payload.pull_request?.number;
+  if (!pull_number) {
+    console.log("No pull request number found in context. Skipping labeler.");
+    return;
+  }
+
+  const { owner, repo } = context.repo;
+
+  console.log(`Fetching files for PR #${pull_number}`);
+  
+  // Fetch list of files changed in the PR
+  // For PRs with more than 100 files, we just use the first 100 for simplicity
+  const { data: files } = await github.rest.pulls.listFiles({
+    owner,
+    repo,
+    pull_number,
+    per_page: 100
+  });
+
+  const labelsToAdd = new Set();
+
+  files.forEach(file => {
+    const filename = file.filename;
+    
+    // Rule: documentation
+    if (filename.startsWith('docs/') || filename.endsWith('.md')) {
+      labelsToAdd.add('documentation');
+    }
+    
+    // Rule: frontend
+    if (filename.startsWith('src/') || filename.startsWith('public/')) {
+      labelsToAdd.add('frontend');
+    }
+    
+    // Rule: ci/cd
+    if (filename.startsWith('.github/workflows/')) {
+      labelsToAdd.add('ci/cd');
+    }
+  });
+
+  if (labelsToAdd.size > 0) {
+    const labelsArray = Array.from(labelsToAdd);
+    console.log(`Adding labels: ${labelsArray.join(', ')}`);
+    
+    await github.rest.issues.addLabels({
+      owner,
+      repo,
+      issue_number: pull_number,
+      labels: labelsArray
+    });
+  } else {
+    console.log("No matching rules found for the changed files. No labels added.");
+  }
+};
diff --git a/.github/workflows/labeler.yml b/.github/workflows/labeler.yml
index 735a7da..68326f0 100644
--- a/.github/workflows/labeler.yml
+++ b/.github/workflows/labeler.yml
@@ -1,6 +1,6 @@
 name: "Pull Request Labeler"
 on:
-  # Safe to use pull_request_target: no code checkout, API-only labeler, minimal permissions
+  # Safe to use pull_request_target: we only checkout the base branch and do not execute any PR code
   pull_request_target:
     types: [opened, synchronize, reopened]
 
@@ -12,7 +12,12 @@ jobs:
   label:
     runs-on: ubuntu-latest
     steps:
-      - uses: actions/labeler@8558fd74291d67161a8a78ce36a881fa63b766a9 # v5.0.0
+      - name: Checkout Repository
+        uses: actions/checkout@v4
+
+      - name: Run JS Labeler Bot
+        uses: actions/github-script@v7
         with:
-          repo-token: "${{ secrets.GITHUB_TOKEN }}"
-          configuration-path: ".github/labeler.yml"
+          script: |
+            const script = require('./.github/scripts/pr-labeler.js');
+            await script({ github, context });