config.json

{
  "source": ["input/**/*.json"],
  "platforms": {
    "scss": {
      "transformGroup": "scss",
      "buildPath": "output/scss/",
      "files": [{
        "destination": "_tokens.scss",
        "format": "scss/variables"
      }]
    },
    "css": {
      "transformGroup": "css",
      "buildPath": "output/css/",
      "files": [{
        "destination": "_tokens.css",
        "format": "css/variables"
      }]
    },
    "js": {
      "transformGroup": "js",
      "buildPath": "output/js/",
      "files": [{
        "destination": "tokens.js",
        "format": "javascript/es6"
      }]
    },
    "json": {
      "transformGroup": "js",
      "buildPath": "output/json/",
      "files": [{
        "destination": "tokens.json",
        "format": "json/flat"
      }]
    }
  }
}