tsconfig.json

{
  "compilerOptions": {
    // Language and Environment
    "target": "es6",

    // Modules
    "module": "commonjs",
    "baseUrl": ".",
    "moduleResolution": "node",
    "resolveJsonModule": true,
    "paths": {
      "@env": ["./env/env.ts"],
      "@pages": ["./tests/pages/index.ts"],
      "@fixtures": ["./test-setup/fixtures.ts"],
      "@basePage": ["./test-setup/basePage.ts"],
      "@playwright-helper": ["./src/playwright-helper/index.ts"],
    }, // Sets up custom path mappings, enabling to import modules with convenient shorter paths

    // Emit
    "outDir": "dist",
    "rootDir": ".",
    "sourceMap": true,
    "declaration": true, // Generates declaration files (.d.ts)
    "declarationMap": true, // Generates a sourcemap for each corresponding '.d.ts' file for easy debugging using the original source code
    "importHelpers": true, // Imports helper functions from tslib to avoid duplication of utility functions in the output

    // Interop Constraints
    "esModuleInterop": true,
    "forceConsistentCasingInFileNames": true,

    // Type Checking
    "strict": true,
    "strictNullChecks": true,
    "noUnusedLocals": true,
    "noUnusedParameters": true,
    "noFallthroughCasesInSwitch": true,
    "strictBindCallApply": true,
    "strictFunctionTypes": true,
    "strictPropertyInitialization": true,
    "noImplicitOverride": true, // Ensures that overriding methods in a subclass are marked with the 'override' keyword
    "noImplicitReturns": true, // Ensures that all code paths in a function explicitly return a value
    "typeRoots": ["node_modules/@types"], // Specifies the location of type declaration files

    // Completeness
    "skipLibCheck": true // Skip type checking of all declaration files (*.d.ts) for faster compilation times
  },
  "include": ["src/**/*.ts", "playwright.config.ts"],
  "exclude": ["node_modules", ".azpiplelines", "tests/**/*.ts", "test-setup/**/*.ts"]
}