add label instead of hello

.github/action/action.yml

@@ -2,6 +2,13 @@ name: 'Label ne PRs'
 description: 'add label when new PR opened'
 author: 'Hamid-Ft'
 
+inputs:
+  gh-token:
+    description: 'The Github token for authentication'
+    required: true
+  label:
+    description: 'the label to be applied to the pull request'
+    required: true
 runs:
   using: 'node16'
-  main: 'index.js'
+  main: 'index.ts'

.github/action/index.ts

@@ -0,0 +1,29 @@
+import { getInput, setFailed } from '@actions/core';
+import { context, getOctokit } from '@actions/github';
+
+export async function run() {
+  const token = getInput('gh-token');
+  const label = getInput('label');
+
+  const octokit = getOctokit(token);
+  const pullRequest = context.payload.pull_request;
+
+  try {
+    if (!pullRequest) {
+      throw new Error('This action can only be run on Pull Requests');
+    }
+
+    await octokit.rest.issues.addLabels({
+      owner: context.repo.owner,
+      repo: context.repo.repo,
+      issue_number: pullRequest.number,
+      labels: [label],
+    });
+  } catch (error) {
+    setFailed((error as Error)?.message ?? 'Unknown error');
+  }
+}
+
+if (!process.env.JEST_WORKER_ID) {
+  run();
+}

.github/workflows/hello.yml → .github/workflows/labelOnPR.yml

@@ -1,11 +1,15 @@
 name: 'Hello'
 
 on:
-  workflow_dispatch:
+  pull_request:
+    types: [opened, reopened]
 
 jobs:
   hello:
     runs-on: ubuntu-latest
     steps:
       - uses: actions/checkout@v2
       - uses: ./.github/action
+        with:
+          gh-token: ${{secrets.GITHUB_TOKEN}}
+          label: 'enhancement'