{
  "language": "node_js",
  "node_js": [
    "lts/*"
  ],
  "script": "echo \"PR sample\"",
  "notifications": [
    {
      "slack": "travisci:$SLACK_TOKEN"
    }
  ]
}

language: node_js
node_js:
- "lts/*"
script: echo "PR sample"

{
  "script": "echo \"PR sample\"",
  "node_js": [
    "lts/*"
  ],
  "language": "node_js",
  "notifications": [
    {
      "slack": "travisci:$SLACK_TOKEN"
    }
  ]
}