workspace: add monorepo level lint, setup JSON and MD lint, fix warnings

.github/workflow-scripts/__tests__/notifyDiscord-test.js

@@ -122,7 +122,7 @@ describe('sendMessageToDiscord', () => {
 
   it('should throw an error if webhook URL is missing', async () => {
     await expect(sendMessageToDiscord(null, {})).rejects.toThrow(
-      'Discord webhook URL is missing',
+      'Discord webhook URL is missing'
     );
   });
 
@@ -134,7 +134,7 @@ describe('sendMessageToDiscord', () => {
     });
 
     const webhook = 'https://discord.com/api/webhooks/123/abc';
-    const message = {content: 'Test message'};
+    const message = { content: 'Test message' };
 
     await expect(sendMessageToDiscord(webhook, message)).resolves.not.toThrow();
 
@@ -149,7 +149,7 @@ describe('sendMessageToDiscord', () => {
 
     // Verify console.log was called
     expect(console.log).toHaveBeenCalledWith(
-      'Successfully sent message to Discord',
+      'Successfully sent message to Discord'
     );
   });
 
@@ -162,15 +162,15 @@ describe('sendMessageToDiscord', () => {
     });
 
     const webhook = 'https://discord.com/api/webhooks/123/abc';
-    const message = {content: 'Test message'};
+    const message = { content: 'Test message' };
 
     await expect(sendMessageToDiscord(webhook, message)).rejects.toThrow(
-      'HTTP status code: 400',
+      'HTTP status code: 400'
     );
 
     // Verify console.error was called
     expect(console.error).toHaveBeenCalledWith(
-      'Failed to send message to Discord: 400 Bad Request',
+      'Failed to send message to Discord: 400 Bad Request'
     );
   });
 
@@ -180,10 +180,10 @@ describe('sendMessageToDiscord', () => {
     global.fetch.mockRejectedValueOnce(networkError);
 
     const webhook = 'https://discord.com/api/webhooks/123/abc';
-    const message = {content: 'Test message'};
+    const message = { content: 'Test message' };
 
     await expect(sendMessageToDiscord(webhook, message)).rejects.toThrow(
-      'Network error',
+      'Network error'
     );
   });
-});
+});

.github/workflow-scripts/collectNightlyOutcomes.js

@@ -7,18 +7,19 @@
  * @format
  */
 
-const fs = require('fs');
-const path = require('path');
-const {
-  prepareFailurePayload,
-  prepareComparisonPayload,
-  sendMessageToDiscord,
-} = require('./notifyDiscord');
+const fs = require('node:fs');
+const path = require('node:path');
+
 const {
   FirebaseClient,
   compareResults,
   getTodayDate,
 } = require('./firebaseUtils');
+const {
+  prepareFailurePayload,
+  prepareComparisonPayload,
+  sendMessageToDiscord,
+} = require('./notifyDiscord');
 
 function readOutcomes() {
   const baseDir = '/tmp';
@@ -29,19 +30,21 @@ function readOutcomes() {
       fs.readdirSync(fullPath).forEach(subFile => {
         const subFullPath = path.join(fullPath, subFile);
         if (subFullPath.endsWith('outcome')) {
-          const [library, status, url] = String(fs.readFileSync(subFullPath, 'utf8'))
+          const [library, status, url] = String(
+            fs.readFileSync(subFullPath, 'utf8')
+          )
             .trim()
             .split('|');
           const platform = subFile.includes('android') ? 'Android' : 'iOS';
           const runUrl = status.trim() === 'failure' ? url : undefined;
           console.log(
-            `[${platform}] ${library} completed with status ${status}`,
+            `[${platform}] ${library} completed with status ${status}`
           );
           outcomes.push({
             library: library.trim(),
             platform,
             status: status.trim(),
-            runUrl
+            runUrl,
           });
         }
       });
@@ -56,7 +59,7 @@ function readOutcomes() {
         library: library.trim(),
         platform,
         status: status.trim(),
-        runUrl
+        runUrl,
       });
     }
   });
@@ -69,7 +72,7 @@ function printFailures(outcomes) {
   outcomes.forEach(entry => {
     if (entry.status !== 'success') {
       console.log(
-        `❌ [${entry.platform}] ${entry.library} failed with status ${entry.status}`,
+        `❌ [${entry.platform}] ${entry.library} failed with status ${entry.status}`
       );
       failedLibraries.push({
         library: entry.library,
@@ -127,7 +130,7 @@ async function collectResults(discordWebHook) {
 
     // Get the most recent previous results for comparison
     console.log(`Looking for most recent previous results before ${today}...`);
-    const {results: previousResults, date: previousDate} =
+    const { results: previousResults, date: previousDate } =
       await firebaseClient.getLatestResults(today);
 
     let broken = [];
@@ -141,11 +144,11 @@ async function collectResults(discordWebHook) {
       recovered = comparison.recovered;
 
       console.log(
-        `Found ${broken.length} newly broken jobs and ${recovered.length} recovered jobs compared to ${previousDate}`,
+        `Found ${broken.length} newly broken jobs and ${recovered.length} recovered jobs compared to ${previousDate}`
       );
     } else {
       console.log(
-        'No previous results found for comparison - this might be the first run or no recent data available',
+        'No previous results found for comparison - this might be the first run or no recent data available'
       );
     }
 

.github/workflow-scripts/firebaseUtils.js

@@ -22,7 +22,7 @@ class FirebaseClient {
   async authenticate() {
     if (!this.email || !this.password) {
       throw new Error(
-        'Firebase credentials not found in environment variables',
+        'Firebase credentials not found in environment variables'
       );
     }
 
@@ -36,11 +36,10 @@ class FirebaseClient {
       'identitytoolkit.googleapis.com',
       `/v1/accounts:signInWithPassword?key=${this.apiKey}`,
       'POST',
-      authData,
+      authData
     );
 
     this.idToken = response.idToken;
-    return;
   }
 
   /**
@@ -105,16 +104,16 @@ class FirebaseClient {
       const checkDateStr = checkDate.toISOString().split('T')[0];
 
       console.log(
-        `Checking for results on ${checkDateStr} (${daysBack} days back)...`,
+        `Checking for results on ${checkDateStr} (${daysBack} days back)...`
       );
 
       try {
         const results = await this.getResults(checkDateStr);
         if (results && results.length > 0) {
           console.log(
-            `Found results from ${checkDateStr} (${daysBack} days back)`,
+            `Found results from ${checkDateStr} (${daysBack} days back)`
           );
-          return {results, date: checkDateStr};
+          return { results, date: checkDateStr };
         }
       } catch (error) {
         console.log(`No results found for ${checkDateStr}: ${error.message}`);
@@ -123,9 +122,9 @@ class FirebaseClient {
     }
 
     console.log(
-      `No previous results found within the last ${maxDaysBack} days`,
+      `No previous results found within the last ${maxDaysBack} days`
     );
-    return {results: null, date: null};
+    return { results: null, date: null };
   }
 
   async makeRequest(hostname, path, method, data = null) {
@@ -231,7 +230,7 @@ function compareResults(currentResults, previousResults) {
     }
   }
 
-  return {broken, recovered};
+  return { broken, recovered };
 }
 
 /**

.github/workflow-scripts/notifyDiscord.js

@@ -34,7 +34,7 @@ async function sendMessageToDiscord(webHook, message) {
   } else {
     const errorText = await response.text();
     console.error(
-      `Failed to send message to Discord: ${response.status} ${errorText}`,
+      `Failed to send message to Discord: ${response.status} ${errorText}`
     );
     throw new Error(`HTTP status code: ${response.status}`);
   }
@@ -125,7 +125,7 @@ function prepareComparisonPayload(broken, recovered) {
     }
   }
 
-  return {content};
+  return { content };
 }
 
 // Export the functions using CommonJS syntax

.github/workflows/test-js.yml

@@ -19,6 +19,8 @@ jobs:
           node-version: 24
           cache: 'yarn'
       - name: Install deps
-        run: npm install
+        run: yarn install --frozen-lockfile
+      - name: Lint code
+        run: yarn lint
       - name: Run tests
-        run: npm test
+        run: yarn test

README.md

@@ -10,6 +10,7 @@ Automated GitHub Actions workflows for testing React Native ecosystem libraries
 This repository contains GitHub Actions workflows that automatically test **popular React Native OSS libraries** against React Native **nightly builds**. The system runs daily to catch breaking changes early and ensure ecosystem compatibility with upcoming React Native releases.
 
 Specifically this repo will:
+
 - Run a daily job **every night at 4:15 AM UTC** via GitHub Actions scheduled workflows
 - Testing the latest `react-native@nightly` build against a list of popular libraries, such as:
   - `react-native-async-storage`
@@ -20,15 +21,17 @@ Specifically this repo will:
 - Send a Discord message for failure alerts and status updates
 - Store results in Firebase for historical tracking and run comparison to identify newly broken or recovered libraries
 
-#### How to apply?
+### How to apply?
 
 If you're a library maintainer, you can now sign up to be part of our nightly testing to make sure your library will keep on working. Read more in the Discussions and Proposals discussion:
-* https://github.com/react-native-community/discussions-and-proposals/discussions/931
+
+- https://github.com/react-native-community/discussions-and-proposals/discussions/931
 
 ### Website
 
 The test results are also published on the website, which is available on the following address:
-* https://react-native-community.github.io/nightly-tests/
+
+- https://react-native-community.github.io/nightly-tests/
 
 To learn more about website app, see [the README file](./website/README.md) in the `website` directory.
 

eslint.config.mjs

@@ -0,0 +1,84 @@
+import jsPlugin from '@eslint/js';
+import jsonPlugin from '@eslint/json';
+import markdownPlugin from '@eslint/markdown';
+import { defineConfig, globalIgnores } from 'eslint/config';
+import importPlugin from 'eslint-plugin-import';
+import jestPlugin from 'eslint-plugin-jest';
+import prettierPlugin from 'eslint-plugin-prettier/recommended';
+import globals from 'globals';
+
+export default defineConfig([
+  globalIgnores(['website']),
+
+  prettierPlugin,
+  importPlugin.flatConfigs.recommended,
+
+  {
+    rules: {
+      'prettier/prettier': [
+        'error',
+        {
+          arrowParens: 'avoid',
+          bracketSameLine: true,
+          printWidth: 80,
+          singleQuote: true,
+          trailingComma: 'es5',
+          endOfLine: 'auto',
+        },
+      ],
+    },
+  },
+
+  {
+    files: ['**/*.{js,mjs}'],
+    plugins: {
+      js: jsPlugin,
+    },
+    languageOptions: {
+      globals: globals.node,
+      ecmaVersion: 'latest',
+      sourceType: 'module',
+    },
+    extends: ['js/recommended'],
+    rules: {
+      'import/no-unresolved': 'off',
+      'import/enforce-node-protocol-usage': ['error', 'always'],
+      'import/order': [
+        'error',
+        {
+          groups: [['external', 'builtin'], 'internal', ['parent', 'sibling']],
+          'newlines-between': 'always',
+          alphabetize: {
+            order: 'asc',
+          },
+        },
+      ],
+    },
+  },
+
+  {
+    files: ['**/*-test.js'],
+    plugins: { jest: jestPlugin },
+    languageOptions: {
+      globals: jestPlugin.environments.globals.globals,
+    },
+    ...jestPlugin.configs['flat/recommended'],
+  },
+
+  {
+    files: ['**/*.json'],
+    language: 'json/json',
+    plugins: {
+      json: jsonPlugin,
+    },
+    extends: ['json/recommended'],
+  },
+
+  {
+    files: ['**/*.md'],
+    plugins: {
+      markdown: markdownPlugin,
+    },
+    extends: ['markdown/recommended'],
+  },
+]);

jest.config.js

@@ -1,3 +1,3 @@
 module.exports = {
-  testEnvironment: 'node'
+  testEnvironment: 'node',
 };

libraries.schema.json

@@ -39,9 +39,7 @@
             "type": "string"
           },
           "description": "Array of GitHub usernames. We will use it in the future to communicate with library maintainers (e.g. ping for build failures).",
-          "examples": [
-            ["frodo", "bilbo", "pippin", "merry", "sam"]
-          ]
+          "examples": [["frodo", "bilbo", "pippin", "merry", "sam"]]
         },
         "notes": {
           "type": "string",