language: node_js

node_js:
  - node
  - "10"
  - "8"

cache:
  directories:
    - node_modules

language: node_js

node_js:
  - node
  - "12"
  - "10"
  - "8"

cache:
  directories:
    - node_modules

Add Node 12 to the Travis test matrix
chore: Add Node 12 to the Travis test matrix

Since "node" is now v13.
