Merge pull request #7 from plotly/fix-mkdirp

Change mkdir -p to mkdirp

Author: rreusser

package.json

@@ -17,8 +17,8 @@
     "example:build:html": "cp example/src/index.html example/dist/index.html",
     "example:build:js": "browserify example/src/index.js -p [ css-modulesify --after autoprefixer --autoprefixer.browsers \"> 5%\" -o example/dist/styles.css ] -t [ babelify --presets [ es2015 react ] --plugins transform-class-properties ] -t brfs -g [ envify --NODE_ENV production ] -p bundle-collapser/plugin | uglifyjs --compress --mangle > example/dist/index.js",
     "example:build:assets": "rm -rf example/dist/assets && cp -r example/assets example/dist/assets",
-    "example:build": "rm -rf example/dist && mkdir -p example/dist && npm run example:build:html && npm run example:build:js && npm run example:build:assets",
-    "make:lib": "mkdir -p lib && babel src --out-dir=lib --ignore __tests__/*.js,__mocks__/*.js --presets=es2015,react --source-maps --plugins babel-plugin-add-module-exports && mv lib/* ./ && rmdir lib",
+    "example:build": "rm -rf example/dist && mkdirp example/dist && npm run example:build:html && npm run example:build:js && npm run example:build:assets",
+    "make:lib": "mkdirp lib && babel src --out-dir=lib --ignore __tests__/*.js,__mocks__/*.js --presets=es2015,react --source-maps --plugins babel-plugin-add-module-exports && mv lib/* ./ && rmdir lib",
     "clean": "rm -rf lib react-plotly.js react-plotly.js.map factory.js factory.js.map",
     "prepublishOnly": "npm run make:lib",
     "lint": "prettier --trailing-comma es5 --write \"{src,example/src}/**/*.js\" && eslint src",
@@ -62,6 +62,7 @@
     "jest": "^20.0.4",
     "json-beautify": "^1.0.1",
     "lint-staged": "^4.0.2",
+    "mkdirp": "^0.5.1",
     "nodemon": "^1.11.0",
     "onetime": "^1.1.0",
     "prettier": "^1.5.3",