.travis.yml

sudo: false
language: node_js
node_js: "8"

notifications:
  email: false

git:
  depth: 3
  submodules: false

stages:
  - <<: *stage
    name: precache
  - <<: *stage
    name: lint
  - <<: *stage
    name: test
  - <<: *stage
    name: build

install:
  - npm install

jobs:
  fast_finish: true
  include:
# precache npm and apt dependencies
    - stage: precache
      install: npm install > /dev/null
      script: true
      addons:
        firefox: latest
        chrome: stable
        apt:
          sources:
          - ubuntu-toolchain-r-test
          # required by node-gyp to build some packages
          packages:
          - g++-4.8

#   lint code
    - stage: lint
      install: true
      script: npm run lint

#   test
    - &test
      stage: test
      script: npm run test

#    check prod build
    - &build
      stage: build
      script: npm run build

cache:
  apt: true
  npm: true
  directories:
    - node_modules