metalsmith.json

{
  "source": "_resource",
  "destination": "./.tmphtml",
  "metadata": {
    "mywebsite": "http://xxx.xxx.xxx"
  },
  "plugins": {
    "metalsmith-ignore": [
      "_layouts/**/*",
      "common/**/*",
      "**/*.scss"
    ],
    "metalsmith-layouts": {
      "engine": "swig",
      "directory": "_resource/_layouts"
    },
    "metalsmith-in-place": {
      "engine": "swig",
      "directory": "_resource/_layouts"
    }
  }
}