Add clean step to build

Author: bcomnes

package.json

@@ -10,7 +10,7 @@
     "prestart": "run-s build",
     "version": "run-s release",
     "prepublish": "run-s build",
-    "build": "run-p build:*",
+    "build": "rimraf build && mkdirp build && run-p build:*",
     "build:bundle": "cross-env NODE_ENV=production webpack --config webpack.config.babel.js",
     "build:umd": "cross-env NODE_ENV=production webpack --config webpack.umd.config.babel.js",
     "prebuild": "mkdirp build",
@@ -61,6 +61,7 @@
     "preact-compat": "^3.15.0",
     "prettier": "^1.6.1",
     "raw-loader": "^0.5.1",
+    "rimraf": "^2.6.2",
     "serve": "^6.0.0",
     "source-map-loader": "^0.2.1",
     "url-loader": "^0.5.8",

script/release.js

@@ -4,10 +4,6 @@ const version = require("../package.json").releaseVersion;
 
 console.log("Building new release for ", version);
 
-console.log("Cleaning build folder");
-exec("rm -rf build");
-exec("mkdir -p build");
-
 exec("yarn");
 exec("yarn build");
 

yarn.lock

@@ -5249,7 +5249,7 @@ right-align@^0.1.1:
   dependencies:
     align-text "^0.1.1"
 
-rimraf@2, rimraf@^2.2.8, rimraf@^2.5.1, rimraf@^2.6.1:
+rimraf@2, rimraf@^2.2.8, rimraf@^2.5.1, rimraf@^2.6.1, rimraf@^2.6.2:
   version "2.6.2"
   resolved "https://registry.yarnpkg.com/rimraf/-/rimraf-2.6.2.tgz#2ed8150d24a16ea8651e6d6ef0f47c4158ce7a36"
   dependencies: