sudo: false

language: node_js

node_js:
  - '4'
  - '6'
  - '8'

branches:
  only:
    - master
    - travis-ci

install:
  - npm install -g npm
  - npm install --no-package-lock --no-save
  - npm install -g istanbul coveralls

sudo: false

language: node_js

node_js:
  - '12'

branches:
  only:
    - master
    - travis-ci

install:
  - npm install -g npm
  - npm install --no-package-lock --no-save
  - npm install -g istanbul coveralls

Build with Node.js 12 at Travis CI.
Build with Node.js 12 at Travis CI.

See #8.
