Merge pull request #15 from mppperez/master

Support for RN >= 0.59

Author: sanex3339

.gitignore

@@ -56,4 +56,7 @@ jspm_packages/
 
 dist
 package
-*.tar.gz
+*.tar.gz
+
+# IntelliJ
+.idea

README.md

@@ -12,17 +12,41 @@ or
 
 ## Usage
 
+### React Native >= 0.59
+
+#### /metro.config.js
+
+```diff
+ module.exports = {
++  transformer: {
++    babelTransformerPath: require.resolve("./transformer")
++  },
+ }
+```
+
+#### /transformer.js
+
+```js
+const obfuscatingTransformer = require("react-native-obfuscating-transformer")
+
+module.exports = obfuscatingTransformer({
+  /* options */
+})
+```
+
+### React Native < 0.59
+
 ### /rn-cli.config.js
 
 ```diff
  module.exports = {
-+  transformer {
++  transformer: {
 +    babelTransformerPath: require.resolve("./transformer")
 +  },
  }
 ```
 
-### /transformer.js
+#### /transformer.js
 
 ```js
 const obfuscatingTransformer = require("react-native-obfuscating-transformer")

package.json

@@ -10,10 +10,14 @@
     "@types/app-root-path": "^1.2.4",
     "@types/babel-core": "^6.25.3",
     "@types/babel-generator": "^6.25.1",
+    "babel-traverse": "^6.26.0",
+    "babylon": "^6.18.0",
     "@types/node": "^9.3.0",
     "@types/semver": "^5.4.0",
     "app-root-path": "^2.0.1",
     "babel-generator": "^6.26.1",
+    "babel-traverse": "^6.26.0",
+    "babylon": "^6.18.0",
     "javascript-obfuscator": "^0.13.0",
     "jju": "^1.3.0",
     "semver": "^5.4.1",

src/getMetroTransformer.ts

@@ -44,7 +44,9 @@ function getReactNativeMinorVersion(): number {
 export function getMetroTransformer(
   reactNativeMinorVersion: number = getReactNativeMinorVersion(),
 ): MetroTransformer {
-  if (reactNativeMinorVersion >= 56) {
+  if (reactNativeMinorVersion >= 59) {
+    return require('metro-react-native-babel-transformer/src/index')
+  } else if (reactNativeMinorVersion >= 56) {
     return require("metro/src/reactNativeTransformer")
   } else if (reactNativeMinorVersion >= 52) {
     return require("metro/src/transformer")