Replace Gulp with Fly (#52)

* remove gulp deps

* install fly deps

* replace 'gulp' bin with 'fly' bin

* replace gulpfile with flyfile

* add sourceMaps:true (external) to babelrc

* remove publish task/fly-shell from /app

* convert tabs to spaces

Author: lukeed

create-react-native-app/.babelrc

@@ -1,4 +1,5 @@
 {
+  "sourceMaps": true,
   "presets": ["es2015", "stage-1"],
   "plugins": ["transform-runtime", "add-module-exports", "transform-flow-strip-types"]
 }

create-react-native-app/flyfile.js

@@ -0,0 +1,23 @@
+const { join } = require('path');
+
+const paths = {
+  build: 'build',
+  source: 'src/**/*.js',
+  sourceRoot: join(__dirname, 'src'),
+};
+
+export default async function (fly) {
+  await fly.watch(paths.source, 'babel');
+}
+
+export async function babel(fly, opts) {
+  await fly.source(opts.src || paths.source).babel().target(paths.build);
+}
+
+export async function clean(fly) {
+  await fly.clear(paths.build);
+}
+
+export async function build(fly) {
+  await fly.start('babel');
+}

create-react-native-app/gulpfile.js

@@ -3,7 +3,10 @@
   "version": "0.0.6",
   "description": "Create React Native apps with no build configuration.",
   "license": "BSD-3-Clause",
-  "keywords": ["react-native", "react"],
+  "keywords": [
+    "react-native",
+    "react"
+  ],
   "homepage": "https://github.com/react-community/create-react-native-app",
   "bugs": "https://github.com/react-community/create-react-native-app",
   "preferGlobal": true,
@@ -17,7 +20,7 @@
     "create-react-native-app": "./build/index.js"
   },
   "scripts": {
-    "start": "gulp"
+    "start": "fly"
   },
   "dependencies": {
     "babel-runtime": "^6.9.2",
@@ -35,11 +38,10 @@
     "babel-plugin-transform-runtime": "^6.9.0",
     "babel-preset-es2015": "^6.9.0",
     "babel-preset-stage-1": "^6.5.0",
-    "gulp": "git+https://github.com/gulpjs/gulp#4.0",
-    "gulp-babel": "^6.1.2",
-    "gulp-changed": "^1.3.0",
-    "gulp-plumber": "^1.1.0",
-    "gulp-sourcemaps": "^1.6.0",
-    "rimraf": "^2.5.2"
+    "fly": "^2.0.5",
+    "fly-babel": "^2.1.1",
+    "fly-clear": "^1.0.1",
+    "fly-esnext": "^2.0.0",
+    "fly-watch": "^1.1.1"
   }
 }