tsconfig.json

{
  "compileOnSave": false,
  "compilerOptions": {
    "baseUrl": ".",
    "allowJs": true,
    "allowSyntheticDefaultImports": true,
    "esModuleInterop": true,
    "forceConsistentCasingInFileNames": true,
    "isolatedModules": true,
    "jsx": "preserve",
    "module": "esnext",
    "moduleResolution": "node",
    "noEmit": true,
    "noImplicitAny": true,
    "noImplicitReturns": true,
    "noImplicitThis": true,
    "noUnusedLocals": true,
    "noUnusedParameters": true,
    "preserveConstEnums": true,
    "removeComments": false,
    "resolveJsonModule": true,
    "skipLibCheck": true,
    "sourceMap": true,
    "target": "es5",
    "downlevelIteration": true,
    "lib": ["dom", "es2017"],
    "strict": true,
    "paths": {
      "@your-monorepo/ui": ["../ui/src"],
      "@your-monorepo/ui/*": ["../ui/src/*"],
      "@your-monorepo/core": ["../core/src"],
      "@your-monorepo/core/*": ["../core/src/*"]
    }
  }
}