tsconfig.json

{
   "compilerOptions": {
      "allowSyntheticDefaultImports": true, // To provide backwards compatibility, Node.js allows you to import most CommonJS packages with a default import. This flag tells TypeScript that it's okay to use import on CommonJS modules. (credits @sindresorhus/tsconfig https://github.com/sindresorhus/tsconfig)
      "baseUrl": ".",
      "declaration": true,
      "esModuleInterop": true,
      "forceConsistentCasingInFileNames": true,
      "inlineSources": true,
      "isolatedModules": false,
      "module": "ES2020",
      "moduleDetection": "force",
      "moduleResolution": "Bundler",
      "newLine": "lf",
      "noEmitOnError": true,
      "noFallthroughCasesInSwitch": true,
      "noImplicitOverride": true,
      "noImplicitReturns": true,
      "noPropertyAccessFromIndexSignature": false,
      "noUncheckedIndexedAccess": true,
      "noUnusedLocals": true,
      "paths": { "src/*": ["./src/*"] },
      "pretty": true,
      "skipLibCheck": true,
      "sourceMap": true,
      "strict": true,
      "stripInternal": true,
      "target": "ES2020",
      "rootDir": "./src",
      "outDir": "./dist",
      "verbatimModuleSyntax": true
   },
   "include": ["./src", "./app"]
}