package.json

{
  "exports": {
    ".": {
      "import": "./dist/index.mjs",
      "types": "./dist/index.d.ts"
    },
    "//": "Is this what you mean by array syntax?",
    "./*": {
      "import": ["./dist/*/index.mjs", "./dist/*.mjs"],
      "types": ["./dist/*/index.d.ts", "./dist/*.d.ts"]
    }
  }
}