From 10eaa2309cfee84476a170704f5b2f0f5b0eaf1f Mon Sep 17 00:00:00 2001
From: Nick Schot <nickschot@gmail.com>
Date: Tue, 16 May 2017 21:00:55 +0200
Subject: [PATCH] feat: enable rollup cache feature (#700)

* Enable rollup cache feature

* Enable caching only in development

* Fix import path

* fix: linter errors
---
 src/packages/compiler/index.js | 8 ++++++++
 1 file changed, 8 insertions(+)

diff --git a/src/packages/compiler/index.js b/src/packages/compiler/index.js
index 3b56447b..5c60eb97 100644
--- a/src/packages/compiler/index.js
+++ b/src/packages/compiler/index.js
@@ -12,6 +12,7 @@ import { rollup } from 'rollup';
 
 import { rmrf, readdir, readdirRec, isJSFile } from '../fs';
 import template from '../template';
+import { NODE_ENV } from '../../constants';
 
 import onwarn from './utils/handle-warning';
 import isExternal from './utils/is-external';
@@ -25,6 +26,8 @@ type CompileOptions = {
   useStrict?: boolean;
 };
 
+let cache;
+
 /**
  * @private
  */
@@ -98,6 +101,7 @@ export async function compile(
     entry,
     onwarn,
     external,
+    cache,
     plugins: [
       alias({
         resolve: ['.js'],
@@ -122,6 +126,10 @@ export async function compile(
     ]
   });
 
+  if (NODE_ENV === 'development') {
+    cache = bundle;
+  }
+
   await rmrf(entry);
 
   banner = template`