Package files example

package.json

{
  "files": [
    "dist"
  ],
  "browser": "dist/index.umd.js",
  "esmodule": "dist/index.esm.js",
  "jsnext:main": "dist/index.esm.js",
  "main": "dist/index.js",
  "module": "dist/index.esm.js",
  "source": "lib/index.js",
  "types": "dist/index.d.ts",
  "typings": "dist/index.d.ts",
  "umd:main": "dist/index.umd.js",
  "unpkg": "dist/index.umd.js",
  "directories": {
    "lib": "dist"
  }
}