From 9447a6ce1070126d580e302b33dbce80e8cf46f8 Mon Sep 17 00:00:00 2001
From: Blade Barringer <blade@crookedneighbor.com>
Date: Thu, 3 Mar 2016 18:25:01 -0600
Subject: [PATCH] feat: pre-compile babel when used in production

---
 .gitignore             |  2 ++
 Procfile               |  2 +-
 common/browserify.js   |  7 +++++++
 common/index.js        | 14 +++++++-------
 package.json           |  1 +
 tasks/gulp-babelify.js |  2 +-
 tasks/gulp-build.js    | 17 ++++++++++++++++-
 website/src/server.js  |  4 +++-
 8 files changed, 38 insertions(+), 11 deletions(-)
 create mode 100644 common/browserify.js

diff --git a/.gitignore b/.gitignore
index fabd0fa020..a8e969e620 100644
--- a/.gitignore
+++ b/.gitignore
@@ -1,6 +1,8 @@
 .DS_Store
 website/public/gen
 website/public/common
+website/transpiled-babel/
+common/transpiled-babel/
 node_modules
 *.swp
 .idea*
diff --git a/Procfile b/Procfile
index c23771318e..5283f654f1 100644
--- a/Procfile
+++ b/Procfile
@@ -1 +1 @@
-web: node ./website/src/server.js
+web: node ./website/transpiled-babel/server.js
diff --git a/common/browserify.js b/common/browserify.js
new file mode 100644
index 0000000000..0530144839
--- /dev/null
+++ b/common/browserify.js
@@ -0,0 +1,7 @@
+var shared = require('./script/index');
+var _ = require('lodash');
+var moment = require('moment');
+
+window.habitrpgShared = shared;
+window._ = _;
+window.moment = moment;
diff --git a/common/index.js b/common/index.js
index e6a9c9fb98..35785e2145 100644
--- a/common/index.js
+++ b/common/index.js
@@ -1,9 +1,9 @@
-module.exports = require('./script/index');
-var _ = require('lodash');
-var moment = require('moment');
+var pathToCommon;
 
-if (typeof window !== 'undefined') {
-  window.habitrpgShared = module.exports;
-  window._ = _;
-  window.moment = moment;
+if (process.env.NODE_ENV === 'production') {
+  pathToCommon = './transpiled-babel/index';
+} else {
+  pathToCommon = './script/index';
 }
+
+module.exports = require(pathToCommon);
diff --git a/package.json b/package.json
index 7eb5812901..c50623a792 100644
--- a/package.json
+++ b/package.json
@@ -35,6 +35,7 @@
     "grunt-hashres": "~0.4.1",
     "grunt-karma": "~0.12.1",
     "gulp": "^3.9.0",
+    "gulp-babel": "^6.1.2",
     "gulp-eslint": "^1.0.0",
     "gulp-grunt": "^0.5.2",
     "gulp-imagemin": "^2.3.0",
diff --git a/tasks/gulp-babelify.js b/tasks/gulp-babelify.js
index 7516594fee..5baa45fbd3 100644
--- a/tasks/gulp-babelify.js
+++ b/tasks/gulp-babelify.js
@@ -8,7 +8,7 @@ import babel from 'babelify';
 
 gulp.task('browserify', function () {
   let bundler = browserify({
-    entries: './common/index.js',
+    entries: './common/browserify.js',
     debug: true,
     transform: [[babel, { compact: false }]],
   });
diff --git a/tasks/gulp-build.js b/tasks/gulp-build.js
index 599d577b10..2fd34d0121 100644
--- a/tasks/gulp-build.js
+++ b/tasks/gulp-build.js
@@ -1,4 +1,5 @@
 import gulp from 'gulp';
+import babel from 'gulp-babel';
 require('gulp-grunt')(gulp);
 
 gulp.task('build', () => {
@@ -9,6 +10,20 @@ gulp.task('build', () => {
   }
 });
 
+gulp.task('build:src', () => {
+  return gulp.src('website/src/**/*.js')
+    .pipe(babel())
+    .pipe(gulp.dest('website/transpiled-babel/'));
+});
+
+gulp.task('build:common', () => {
+  return gulp.src('common/script/**/*.js')
+    .pipe(babel())
+    .pipe(gulp.dest('common/transpiled-babel/'));
+});
+
+gulp.task('build:server', ['build:src', 'build:common']);
+
 gulp.task('build:dev', ['browserify', 'prepare:staticNewStuff'], (done) => {
   gulp.start('grunt-build:dev', done);
 });
@@ -17,6 +32,6 @@ gulp.task('build:dev:watch', ['build:dev'], () => {
   gulp.watch(['website/public/**/*.styl', 'common/script/*']);
 });
 
-gulp.task('build:prod', ['browserify', 'prepare:staticNewStuff'], (done) => {
+gulp.task('build:prod', ['browserify', 'build:server', 'prepare:staticNewStuff'], (done) => {
   gulp.start('grunt-build:prod', done);
 });
diff --git a/website/src/server.js b/website/src/server.js
index 9910f22160..1412df7bbf 100644
--- a/website/src/server.js
+++ b/website/src/server.js
@@ -1,4 +1,6 @@
-require('babel-register');
+if (process.env.NODE_ENV !== 'production') {
+  require('babel-register');
+}
 // Only do the minimal amount of work before forking just in case of a dyno restart
 var cluster = require("cluster");
 var _ = require('lodash');