chore: update deps to avoid security warnings

.eslintrc.js

@@ -0,0 +1,22 @@
+module.exports = {
+  extends: '@react-native-community',
+  env: {
+    node: true,
+  },
+  rules: {
+    'prettier/prettier': [2, 'fb'],
+  },
+  settings: {
+    react: {
+      version: 'latest',
+    },
+  },
+  overrides: [
+    {
+      files: ['**/__mocks__/**', '**/__fixtures__/**', 'testSetup.js'],
+      env: {
+        jest: true,
+      },
+    },
+  ],
+};

package.json

@@ -19,34 +19,20 @@
     "@babel/plugin-transform-strict-mode": "^7.0.0",
     "@babel/preset-env": "^7.0.0",
     "@babel/preset-flow": "^7.0.0",
-    "@react-native-community/eslint-config": "^0.0.2",
-    "babel-jest": "^24.0.0",
+    "@react-native-community/eslint-config": "^0.0.3",
+    "babel-jest": "^24.5.0",
     "chalk": "^2.4.2",
     "eslint": "^5.10.0",
     "execa": "^1.0.0",
     "flow-bin": "^0.95.1",
     "flow-typed": "^2.5.1",
     "glob": "^7.1.3",
-    "jest": "^24.0.0",
-    "lerna": "^3.10.6",
+    "jest": "^24.5.0",
+    "lerna": "^3.13.1",
     "micromatch": "^3.1.10",
     "mkdirp": "^0.5.1",
     "string-length": "^2.0.0"
   },
-  "eslintConfig": {
-    "extends": "@react-native-community",
-    "env": {
-      "es6": true,
-      "jest": true,
-      "node": true
-    },
-    "rules": {
-      "prettier/prettier": [
-        2,
-        "fb"
-      ]
-    }
-  },
   "jest": {
     "projects": [
       "packages/*",

packages/cli/src/tools/isPackagerRunning.js

@@ -4,28 +4,27 @@
  * This source code is licensed under the MIT license found in the
  * LICENSE file in the root directory of this source tree.
  *
- * @format
+ * @flow
  */
 
 import fetch from 'node-fetch';
 
 /**
  * Indicates whether or not the packager is running. It returns a promise that
- * when fulfilled can returns one out of these possible values:
+ * returns one of these possible values:
  *   - `running`: the packager is running
- *   - `not_running`: the packager nor any process is running on the expected
- *                    port.
- *   - `unrecognized`: one other process is running on the port we expect the
- *                     packager to be running.
+ *   - `not_running`: the packager nor any process is running on the expected port.
+ *   - `unrecognized`: one other process is running on the port we expect the packager to be running.
  */
-function isPackagerRunning(packagerPort = process.env.RCT_METRO_PORT || 8081) {
+function isPackagerRunning(
+  packagerPort: string = process.env.RCT_METRO_PORT || '8081',
+): Promise<'running' | 'not_running' | 'unrecognized'> {
   return fetch(`http://localhost:${packagerPort}/status`).then(
     res =>
       res
         .text()
-        .then(
-          body =>
-            body === 'packager-status:running' ? 'running' : 'unrecognized',
+        .then(body =>
+          body === 'packager-status:running' ? 'running' : 'unrecognized',
         ),
     () => 'not_running',
   );