language: node_js
node_js:
  - 6
install:
  - '[ -z "$PREACT_VERSION" ] || npm run peer:preact -- $PREACT_VERSION'
  - npm install
env:
  -
  - PREACT_VERSION=5.7.0
  - PREACT_VERSION=6.0.2
  - PREACT_VERSION=7.2.1
  - PREACT_VERSION=8.1.0