language: node_js
node_js:
  - lts/*
cache:
  directories:
    - node_modules
install:
  - npm install -g npm@latest
  - npm install -g gulp-cli
  - npm install

{
  "language": "node_js",
  "os": [
    "linux"
  ],
  "dist": "xenial",
  "node_js": [
    "lts/*"
  ],
  "cache": {
    "directories": [
      "node_modules"
    ]
  },
  "install": [
    "npm install -g npm@latest",
    "npm install -g gulp-cli",
    "npm install"
  ]
}