language: node_js
node_js:
    - "10.11.0"
script:
    - ./travis.sh

language: node_js
node_js:
    - "10.11.0"
before_install:
    - curl -o- -L https://yarnpkg.com/install.sh | bash -s -- --version 1.13.0
    - export PATH=$HOME/.yarn/bin:$PATH
script:
    - ./travis.sh

Use modern Yarn version on Travis CI
Use modern Yarn version on Travis CI

Travis CI uses a quite old version of Yarn by default. This adds Yarn's
recommended incantation for using the latest stable version.
