.luarc.json

{
  "$schema": "https://raw.githubusercontent.com/LuaLS/vscode-lua/master/setting/schema.json",
  "runtime": {
    "version": "LuaJIT"
  },
  "workspace": {
    "library": [
      "lua",
      "${3rd}/busted/library",
      "${3rd}/luv/library",
      "${3rd}/luassert/library"
    ]
  }
}