From 2ce10e4a7117cd7297f7418a994a4564d5a9676f Mon Sep 17 00:00:00 2001
From: Rotem Mizrachi-Meidan <rotemmiz@gmail.com>
Date: Wed, 7 Mar 2018 13:45:17 +0200
Subject: [PATCH] RN Update script updates react version implicitly (#610)

* Travis Driven Development

* Updated rn-cli.config to support old RN versions
---
 detox/test/package.json                       |  4 +-
 examples/demo-react-native-jest/package.json  |  4 +-
 .../demo-react-native-jest/rn-cli.config.js   |  7 ++-
 examples/demo-react-native/package.json       |  4 +-
 examples/demo-react-native/rn-cli.config.js   |  7 ++-
 scripts/change_react_native_version.js        | 47 ++++++++++++++++---
 6 files changed, 58 insertions(+), 15 deletions(-)

diff --git a/detox/test/package.json b/detox/test/package.json
index 6c9b0f73b3..6b7b8d4988 100644
--- a/detox/test/package.json
+++ b/detox/test/package.json
@@ -12,8 +12,8 @@
     "build:android": "detox build --configuration android.emu.release"
   },
   "dependencies": {
-    "react": "16.2.0",
-    "react-native": "0.53.3"
+    "react": "16.0.0-beta.5",
+    "react-native": "0.49.3"
   },
   "devDependencies": {
     "detox": "^7.0.0",
diff --git a/examples/demo-react-native-jest/package.json b/examples/demo-react-native-jest/package.json
index dc7db5447f..69d1bfceb1 100644
--- a/examples/demo-react-native-jest/package.json
+++ b/examples/demo-react-native-jest/package.json
@@ -8,8 +8,8 @@
     "test-android": "detox build --configuration android.emu.debug && detox test --configuration android.emu.debug -l verbose"
   },
   "dependencies": {
-    "react": "16.2.0",
-    "react-native": "0.53.3"
+    "react": "16.0.0-beta.5",
+    "react-native": "0.49.3"
   },
   "devDependencies": {
     "babel-jest": "21.2.0",
diff --git a/examples/demo-react-native-jest/rn-cli.config.js b/examples/demo-react-native-jest/rn-cli.config.js
index 1d494986a7..bc94d8d429 100644
--- a/examples/demo-react-native-jest/rn-cli.config.js
+++ b/examples/demo-react-native-jest/rn-cli.config.js
@@ -1,4 +1,9 @@
-const metroBundler = require('metro');
+let metroBundler;
+try {
+  metroBundler = require('metro');
+} catch (ex) {
+  metroBundler = require('metro-bundler');
+}
 
 module.exports = {
   getBlacklistRE: function() {
diff --git a/examples/demo-react-native/package.json b/examples/demo-react-native/package.json
index 93d9a74087..7113984ef7 100644
--- a/examples/demo-react-native/package.json
+++ b/examples/demo-react-native/package.json
@@ -6,8 +6,8 @@
     "start": "react-native start"
   },
   "dependencies": {
-    "react": "^16.2.0",
-    "react-native": "^0.53.3"
+    "react": "16.0.0-beta.5",
+    "react-native": "0.49.3"
   },
   "devDependencies": {
     "mocha": "^4.0.1",
diff --git a/examples/demo-react-native/rn-cli.config.js b/examples/demo-react-native/rn-cli.config.js
index 1d494986a7..bc94d8d429 100644
--- a/examples/demo-react-native/rn-cli.config.js
+++ b/examples/demo-react-native/rn-cli.config.js
@@ -1,4 +1,9 @@
-const metroBundler = require('metro');
+let metroBundler;
+try {
+  metroBundler = require('metro');
+} catch (ex) {
+  metroBundler = require('metro-bundler');
+}
 
 module.exports = {
   getBlacklistRE: function() {
diff --git a/scripts/change_react_native_version.js b/scripts/change_react_native_version.js
index f42a74a452..1cb68c6056 100644
--- a/scripts/change_react_native_version.js
+++ b/scripts/change_react_native_version.js
@@ -1,13 +1,46 @@
 let fs = require('fs');
 let path = require('path');
+const https = require('https');
 
-const projectPath = process.argv[2];
-const reactNativeVersion = process.argv[3];
 
-const filePath = path.join(process.cwd(), projectPath, 'package.json');
-let packageJson = require(filePath);
+async function run() {
+  const projectPath = process.argv[2];
+  const reactNativeVersion = process.argv[3];
 
-console.log(`Changing react-native dependency in ${filePath} to ${reactNativeVersion}`);
+  const filePath = path.join(process.cwd(), projectPath, 'package.json');
+  console.log(`Trying to change react-native dependency in  ${filePath}`);
 
-packageJson.dependencies['react-native'] = reactNativeVersion;
-fs.writeFileSync(filePath, JSON.stringify(packageJson, null, 2));
\ No newline at end of file
+  let packageJson = require(filePath);
+
+  const data = await fetch(`https://registry.npmjs.org/react-native/${reactNativeVersion}/`);
+  const reactVersion = data.peerDependencies.react;
+
+  console.log(`Changed dependencies: 
+   react-native: ${reactNativeVersion}
+   react: ${reactVersion}`);
+
+  packageJson.dependencies['react-native'] = reactNativeVersion;
+  packageJson.dependencies['react'] = reactVersion;
+  fs.writeFileSync(filePath, JSON.stringify(packageJson, null, 2));
+}
+
+async function fetch(url) {
+  return new Promise((resolve, reject) => {
+    https.get(url, res => {
+      res.setEncoding('utf8');
+      let body = "";
+      res.on('data', data => {
+        body += data;
+      });
+      res.on('end', () => {
+        body = JSON.parse(body);
+        resolve(body);
+      });
+      res.on('error', (error) => {
+        reject(error);
+      });
+    });
+  });
+}
+
+run();
\ No newline at end of file