ES6 import + Gradle imports

LocaleBaseClass.js

@@ -1,34 +1,32 @@
-import { Platform, NativeModules } from 'react-native';
-const NativeLocale = NativeModules.Locale;
+import { NativeEventEmitter, NativeModules } from 'react-native';
+const RCTLocale = NativeModules.Locale;
 const warning = require('fbjs/lib/warning');
 
-class LocaleBaseClass {
+export default class LocaleBaseClass {
 
 	static constants() {
-		return NativeLocale;
+		return RCTLocale;
 	}
 
-	static numberFromDecimalString(number : string) {
-		return NativeLocale.numberFromDecimalString(number);
+	static numberFromDecimalString(number) {
+		return RCTLocale.numberFromDecimalString(number);
 	}
 
-	static decimalStyle(number : number) {
-		return NativeLocale.decimalStyle(number);
+	static decimalStyle(number) {
+		return RCTLocale.decimalStyle(number);
 	}
 
-	static validateDateFormatStyle(style : string) {
+	static validateDateFormatStyle(style) {
 		let valid = ['full', 'long', 'medium', 'short', 'none'];
 		if(Platform.OS == 'ios')
 			valid.push('default');
 		return valid.indexOf(style) >= 0;
 	}
 
-	static dateFormat(date, dateStyle : string, timeStyle : string) {
+	static dateFormat(date, dateStyle, timeStyle) {
 		warning(LocaleBaseClass.validateDateFormatStyle(dateStyle), 'Locale: DateStyle must be one of [full/long/medium/short/none]');
 		warning(LocaleBaseClass.validateDateFormatStyle(timeStyle), 'Locale: TimeStyle must be one of [full/long/medium/short/none]');
-		return NativeLocale.dateFormat(date, dateStyle, timeStyle);
+		return RCTLocale.dateFormat(date, dateStyle, timeStyle);
 	}
 
 }
-
-module.exports = LocaleBaseClass;

android/build.gradle

@@ -5,12 +5,12 @@ def safeExtGet(prop, fallback) {
 }
 
 android {
-    compileSdkVersion safeExtGet('compileSdkVersion', 23)
-    buildToolsVersion safeExtGet('buildToolsVersion', "23.0.1")
+    compileSdkVersion safeExtGet('compileSdkVersion', 27)
+    buildToolsVersion safeExtGet('buildToolsVersion', '28.0.2')
 
     defaultConfig {
         minSdkVersion safeExtGet('minSdkVersion', 16)
-        targetSdkVersion safeExtGet('targetSdkVersion', 22)
+        targetSdkVersion safeExtGet('targetSdkVersion', 27)
         versionCode 1
         versionName "1.0"
     }
@@ -24,5 +24,5 @@ repositories {
 }
 
 dependencies {
-    implementation 'com.facebook.react:react-native:0.17.+'
+    implementation "com.facebook.react:react-native:${safeExtGet('reactNativeVersion', '+')}"
 }

index.android.js

@@ -1,14 +1,12 @@
-const LocaleBaseClass = require('./LocaleBaseClass');
+import LocaleBaseClass from './LocaleBaseClass';
 
-class Locale extends LocaleBaseClass {
+export default class Locale extends LocaleBaseClass {
 
 	/**
 	 * Android can't pass Long's as ReactMethod arguments so send a string that is parsed
 	 */
-	static dateFormat(date : Date, dateStyle : string, timeStyle : string) {
+	static dateFormat(date, dateStyle, timeStyle) {
 		return LocaleBaseClass.dateFormat(''+date.getTime(), dateStyle, timeStyle);
 	}
 
 }
-
-module.exports = Locale;

index.ios.js

@@ -1,20 +1,18 @@
-import {NativeModules} from 'react-native';
-const NativeLocale = NativeModules.Locale;
-const LocaleBaseClass = require('./LocaleBaseClass');
+import { NativeModules } from 'react-native';
+import LocaleBaseClass from './LocaleBaseClass';
+const RCTLocale = NativeModules.Locale;
 
-class Locale extends LocaleBaseClass {
-	static currencyStyle(number : number) {
-		return NativeLocale.currencyStyle(number);
+export default class Locale extends LocaleBaseClass {
+	static currencyStyle(number) {
+		return RCTLocale.currencyStyle(number);
 	}
-	static percentStyle(number : number) {
-		return NativeLocale.percentStyle(number);
+	static percentStyle(number) {
+		return RCTLocale.percentStyle(number);
 	}
-	static scientificStyle(number : number) {
-		return NativeLocale.scientificStyle(number);
+	static scientificStyle(number) {
+		return RCTLocale.scientificStyle(number);
 	}
-	static spelloutStyle(number : number) {
-		return NativeLocale.scientificStyle(number);
+	static spelloutStyle(number) {
+		return RCTLocale.scientificStyle(number);
 	}
 }
-
-module.exports = Locale;