tsconfig.base.json

{
  "compilerOptions": {
    "allowJs": true,
    "checkJs": true,
    "allowSyntheticDefaultImports": true,
    "jsx": "preserve",
    "target": "es6",
    "module": "commonjs",
    "incremental": true,
    "declaration": true,
    "declarationMap": true,
    "composite": true,
    "emitDeclarationOnly": false,
    "isolatedModules": true,

    /* Strict Type-Checking Options */
    "strict": true,

    /* Additional Checks */
    "noUnusedLocals": true,
    "noUnusedParameters": true,
    "noImplicitReturns": true,
    "noFallthroughCasesInSwitch": true,

    /* Module Resolution Options */
    "moduleResolution": "node",

    /* This needs to be false so our types are possible to consume without setting this */
    "esModuleInterop": false,
    "resolveJsonModule": true
  }
}