platform/packages/platform/tsconfig.json

{
  "extends": "./node_modules/@anticrm/platform-rig/profiles/default/tsconfig.json",

  "compilerOptions": {
    "target": "ES6",
    "rootDir": "./src",
    "outDir": "./lib",
    "lib": ["esnext", "esnext.intl", "dom"]
  }
}