Fix streaming eslint configuration (#28055)

streaming/.eslintrc.js

@@ -0,0 +1,32 @@
+// @ts-check
+const { defineConfig } = require('eslint-define-config');
+
+module.exports = defineConfig({
+  extends: ['../.eslintrc.js'],
+  env: {
+    browser: false,
+  },
+  parserOptions: {
+    project: true,
+    tsconfigRootDir: __dirname,
+    ecmaFeatures: {
+      jsx: false,
+    },
+    ecmaVersion: 2021,
+  },
+  rules: {
+    'import/no-commonjs': 'off',
+    'import/no-extraneous-dependencies': [
+      'error',
+      {
+        devDependencies: [
+          'streaming/.eslintrc.js',
+        ],
+        optionalDependencies: false,
+        peerDependencies: false,
+        includeTypes: true,
+        packageDir: __dirname,
+      },
+    ],
+  },
+});

streaming/package.json

@@ -12,7 +12,8 @@
     "url": "https://github.com/mastodon/mastodon.git"
   },
   "scripts": {
-    "start": "node ./index.js"
+    "start": "node ./index.js",
+    "check:types": "tsc --noEmit"
   },
   "dependencies": {
     "dotenv": "^16.0.3",
@@ -30,7 +31,10 @@
     "@types/express": "^4.17.17",
     "@types/npmlog": "^7.0.0",
     "@types/pg": "^8.6.6",
-    "@types/uuid": "^9.0.0"
+    "@types/uuid": "^9.0.0",
+    "@types/ws": "^8.5.9",
+    "eslint-define-config": "^2.0.0",
+    "typescript": "^5.0.4"
   },
   "optionalDependencies": {
     "bufferutil": "^4.0.7",

streaming/tsconfig.json

@@ -0,0 +1,11 @@
+{
+  "extends": "../tsconfig.json",
+  "compilerOptions": {
+    "target": "esnext",
+    "module": "CommonJS",
+    "moduleResolution": "node",
+    "noUnusedParameters": false,
+    "paths": {}
+  },
+  "include": ["./*.js", "./.eslintrc.js"]
+}