message: chore: try yarn
diff: language: node_js
  node_js:
  - "10"
  -# cache: npm
  +cache:
  + yarn: true
  + directories:
  + - "node_modules"
  env:
  - ENV=TRAVIS
  +before_install:
  + - curl -o- -L https://yarnpkg.com/install.sh | bash -s
  + - export PATH="$HOME/.yarn/bin:$PATH"
  install:
  - - npm install -g lerna
  - - pwd
  - - ls node_modules
  - - rm -rf /home/travis/build/Voxelum/minecraft-launcher-core-node/node_modules
  - - ls node_modules
  - - npx lerna clean --yes
  - - npx lerna bootstrap
  + # - yarn
  + # - npm install -g lerna
  + # - npx lerna clean --yes
  + # - npx lerna bootstrap
  script:
  - - npm run build
  - - npm run test:unit
  + - yarn build
  + - yarn test:unit
  branches:
  only:
  - master
  