From c73785bb93eb309a5695d6984cb9ce25c452a009 Mon Sep 17 00:00:00 2001
From: Arnaud Didry <arnaud@fizix.io>
Date: Wed, 20 Sep 2017 11:43:20 +0200
Subject: [PATCH] Add clean and install steps before building

See #1057
---
 Makefile | 5 ++++-
 1 file changed, 4 insertions(+), 1 deletion(-)

diff --git a/Makefile b/Makefile
index 88348e1e..d502239c 100644
--- a/Makefile
+++ b/Makefile
@@ -12,7 +12,10 @@ run: example_install ## run the example
 example_install: example/package.json
 	@cd example && npm install
 
-build: ## compile ES6 files to JS
+clean:
+	@rm -rf lib
+
+build: clean ## compile ES6 files to JS
 	@NODE_ENV=production ./node_modules/.bin/babel ./src -d lib --ignore '*.spec.js'
 
 watch: ## continuously compile ES6 files to JS