use yarn

Author: jakemcdermott

Makefile

@@ -3,7 +3,7 @@ PYTHON_BIN = $(shell cd server && pipenv --venv)/bin/python
 python_bin:
 	pushd server; pipenv install --dev; popd;
 
-database:	python_bin
+database: python_bin
 	$(PYTHON_BIN) ./server/manage.py makemigrations api --noinput
 	$(PYTHON_BIN) ./server/manage.py migrate --noinput
 
@@ -15,10 +15,10 @@ server-dev: python_bin
 	$(PYTHON_BIN) ./server/manage.py runserver --settings=server.settings
 
 client/node_modules:
-	npm --prefix=./client install
+	yarn --cwd=./client install
 
 client-dist: client/node_modules
-	npm --prefix=./client run build
+	yarn --cwd=./client run build
 
 clean:
 	find . -name \*.pyc -o -name -delete

README.md

@@ -9,4 +9,4 @@ An example [Vue.js](https://github.com/vuejs/vue) project featuring an unstyled
 - python 3.6
 - pipenv 11.10.0
 - node 8.9.0
-- npm 5.6.0
+- yarn 1.6.0+

client/README.md

@@ -2,25 +2,25 @@
 
 ``` bash
 # install dependencies
-npm install
+yarn install
 
 # serve with auto-reload at localhost:8080
-npm run dev
+yarn run dev
 
 # build for production with minification
-npm run build
+yarn run build
 
 # build for production and view the bundle analyzer report
-npm run build --report
+yarn run build --report
 
 # run unit tests
-npm run unit
+yarn run unit
 
 # run e2e tests
-npm run e2e
+yarn run e2e
 
 # run all tests
-npm test
+yarn test
 ```
 
 For more details on the build setup see [guide](http://vuejs-templates.github.io/webpack/) and [docs for vue-loader](http://vuejs.github.io/vue-loader).