added cleanup script

gulpfile.js

@@ -1,6 +1,7 @@
 'use strict'
 // Inspired by https://github.com/babel/minify/blob/master/gulpfile.babel.js
 
+const del = require('del')
 const through = require('through2')
 const newer = require('gulp-newer')
 const babel = require('gulp-babel')
@@ -11,6 +12,7 @@ const path = require('path')
 const { cyan } = util.colors
 
 const scripts = './packages/*/src/**/*.js'
+const builds = './packages/*/build'
 const dest = 'packages'
 
 let srcEx, libFragment
@@ -45,3 +47,7 @@ gulp.task('build', build)
 gulp.task('watch', ['build'], function () {
   gulp.watch(scripts, { debounceDelay: 200 }, build)
 })
+
+gulp.task('clean', () => {
+  return del(builds)
+})

lerna.json

@@ -3,5 +3,5 @@
   "packages": [
     "packages/*"
   ],
-  "version": "0.0.0"
+  "version": "1.0.0"
 }

package.json

@@ -3,8 +3,11 @@
 	"scripts": {
 		"lint": "standard 'packages/**/src/**/*.js' --fix",
 		"precommit": "npm run lint",
-    "build": "gulp build",
-    "watch": "gulp watch"
+		"bootstrap": "lerna bootstrap",
+		"clean": "gulp clean && lerna clean --yes",
+		"build": "gulp build",
+		"watch": "gulp watch",
+		"publish": "npm run lint && npm run build && lerna publish"
 	},
 	"devDependencies": {
 		"babel-cli": "^6.26.0",
@@ -13,6 +16,7 @@
 		"babel-plugin-transform-react-jsx": "^6.24.1",
 		"babel-plugin-transform-runtime": "^6.23.0",
 		"babel-preset-env": "^1.6.0",
+		"del": "^3.0.0",
 		"gulp": "^3.9.1",
 		"gulp-babel": "^7.0.0",
 		"gulp-newer": "^1.3.0",