sudo: false

cache:
  directories:
    - test/elm-stuff/build-artifacts

os:
  - osx
  - linux

env:
  matrix:
    - ELM_VERSION=0.19.0-no-deps TARGET_NODE_VERSION=8
    - ELM_VERSION=0.19.0-no-deps TARGET_NODE_VERSION=10
    - ELM_VERSION=0.19.0-no-deps TARGET_NODE_VERSION=11
    - ELM_VERSION=0.19.0-no-deps TARGET_NODE_VERSION=12

before_install:
  - if [ ${TRAVIS_OS_NAME} == "osx" ];
    then brew update; brew install nvm; mkdir ~/.nvm; export NVM_DIR=~/.nvm; source $(brew --prefix nvm)/nvm.sh;
    fi

install:
  - nvm install $TARGET_NODE_VERSION
  - nvm use $TARGET_NODE_VERSION
  - node --version
  - npm --version
  - npm install -g elm@$ELM_VERSION
  - npm install

script:
  - npm test