Collect nightlies results (#50488)

Summary:
This change adds a job to collect nightlies results so we can then post on discord or internally

## Changelog:
[Internal] - Add a job to collect nightlies results

Pull Request resolved: https://github.com/facebook/react-native/pull/50488

Test Plan: GHA - tested as a job on PRs: https://github.com/facebook/react-native/actions/runs/14283415968/job/40035831913

Reviewed By: cortinico

Differential Revision: D72555358

Pulled By: cipolleschi

fbshipit-source-id: 35ec7e571992f5f27179256570b5d143e0d76586

.github/workflow-scripts/collectNightlyOutcomes.js

@@ -0,0 +1,74 @@
+/**
+ * Copyright (c) Meta Platforms, Inc. and affiliates.
+ *
+ * This source code is licensed under the MIT license found in the
+ * LICENSE file in the root directory of this source tree.
+ *
+ * @format
+ */
+
+const fs = require('fs');
+const path = require('path');
+
+function readOutcomes() {
+  const baseDir = '/tmp';
+  let outcomes = {};
+  fs.readdirSync(baseDir).forEach(file => {
+    const fullPath = path.join(baseDir, file);
+    if (fullPath.endsWith('outcome') && fs.statSync(fullPath).isDirectory) {
+      fs.readdirSync(fullPath).forEach(subFile => {
+        const subFullPath = path.join(fullPath, subFile);
+        if (subFullPath.endsWith('outcome')) {
+          const [library, status] = String(fs.readFileSync(subFullPath, 'utf8'))
+            .trim()
+            .split(':');
+          const platform = subFile.includes('android') ? 'Android' : 'iOS';
+          console.log(
+            `[${platform}] ${library} completed with status ${status}`,
+          );
+          outcomes[library.trim()] = {
+            platform,
+            status: status.trim(),
+          };
+        }
+      });
+    } else if (fullPath.endsWith('outcome')) {
+      const [library, status] = String(fs.readFileSync(fullPath, 'utf8'))
+        .trim()
+        .split(':');
+      const platform = file.includes('android') ? 'Android' : 'iOS';
+      console.log(`[${platform}] ${library} completed with status ${status}`);
+      outcomes[library.trim()] = {
+        platform,
+        status: status.trim(),
+      };
+    }
+  });
+  return outcomes;
+}
+
+function printFailures(outcomes) {
+  console.log('Printing failures...');
+  let failures = 0;
+  Object.entries(outcomes).forEach(([library, value]) => {
+    if (value.status !== 'success') {
+      console.log(
+        `❌ [${value.platform}] ${library} failed with status ${value.status}`,
+      );
+      failures++;
+    }
+  });
+  return failures > 0;
+}
+
+function collectResults() {
+  const outcomes = readOutcomes();
+  const failures = printFailures(outcomes);
+  if (failures) {
+    process.exit(1);
+  }
+  console.log('✅ All tests passed!');
+}
+module.exports = {
+  collectResults,
+};

.github/workflows/test-libraries-on-nightlies.yml

@@ -48,11 +48,22 @@ jobs:
     steps:
       - name: Checkout
         uses: actions/checkout@v4
-      - name: Test ${{ inputs.library-name }}
+      - name: Test ${{ matrix.library }}
+        id: run-test
         uses: ./.github/actions/test-library-on-nightly
         with:
           library-npm-package: ${{ matrix.library }}
           platform: android
+      - name: Save outcome
+        if: always()
+        run: |
+          echo "${{matrix.library}}: ${{steps.run-test.outcome}}" >> "/tmp/${{matrix.library}}-android-outcome"
+      - name: Upload Artifact
+        if: always()
+        uses: actions/upload-artifact@v4
+        with:
+          name: ${{ matrix.library }}-android-outcome
+          path: /tmp/${{ matrix.library }}-android-outcome
 
   test-library-on-nightly-ios:
     name: "[iOS] ${{ matrix.library }}"
@@ -95,8 +106,38 @@ jobs:
     steps:
       - name: Checkout
         uses: actions/checkout@v4
-      - name: Test ${{ inputs.library-name }}
+      - name: Test ${{ matrix.library }}
+        id: run-test
         uses: ./.github/actions/test-library-on-nightly
         with:
           library-npm-package: ${{ matrix.library }}
           platform: ios
+      - name: Save outcome
+        if: always()
+        run: |
+          echo "${{matrix.library}}: ${{steps.run-test.outcome}}" > "/tmp/${{matrix.library}}-ios-outcome"
+      - name: Upload Artifact
+        if: always()
+        uses: actions/upload-artifact@v4
+        with:
+          name: ${{ matrix.library }}-ios-outcome
+          path: /tmp/${{ matrix.library }}-ios-outcome
+
+
+  collect-results:
+    runs-on: ubuntu-latest
+    needs: [test-library-on-nightly-android, test-library-on-nightly-ios]
+    steps:
+      - name: Checkout
+        uses: actions/checkout@v4
+      - name: Restore outcomes
+        uses: actions/download-artifact@v4
+        with:
+          pattern: '*-outcome'
+          path: /tmp
+      - name: Collect failures
+        uses: actions/github-script@v6
+        with:
+          script: |
+            const {collectResults} = require('./.github/workflow-scripts/collectNightlyOutcomes.js');
+            collectResults();