tsconfig.json

{
    "compilerOptions": {
        "target": "ES2019" /* Specify ECMAScript target version: 'ES3' (default), 'ES5', 'ES2015', 'ES2016', 'ES2017', 'ES2018', 'ES2019', 'ES2020', or 'ESNEXT'. */,
        "module": "commonjs" /* Specify module code generation: 'none', 'commonjs', 'amd', 'system', 'umd', 'es2015', 'es2020', or 'ESNext'. */,
        "lib": ["ES2020"] /* Specify library files to be included in the compilation. */,
        "outDir": "./dist" /* Redirect output structure to the directory. */,
        "isolatedModules": true /* Transpile each file as a separate module (similar to 'ts.transpileModule'). */,

        /* Strict Type-Checking Options */
        "strict": true /* Enable all strict type-checking options. */,
        "noImplicitAny": true /* Raise error on expressions and declarations with an implied 'any' type. */,
        "strictNullChecks": true /* Enable strict null checks. */,
        "strictFunctionTypes": true /* Enable strict checking of function types. */,
        "strictBindCallApply": true /* Enable strict 'bind', 'call', and 'apply' methods on functions. */,
        "strictPropertyInitialization": true /* Enable strict checking of property initialization in classes. */,
        "noImplicitThis": true /* Raise error on 'this' expressions with an implied 'any' type. */,
        "alwaysStrict": true /* Parse in strict mode and emit "use strict" for each source file. */,

        /* Additional Checks */
        "noUnusedLocals": true /* Report errors on unused locals. */,
        "noUnusedParameters": true /* Report errors on unused parameters. */,
        "noImplicitReturns": true /* Report error when not all code paths in function return a value. */,
        "noFallthroughCasesInSwitch": true /* Report errors for fallthrough cases in switch statement. */,

        /* Module Resolution Options */
        "moduleResolution": "node" /* Specify module resolution strategy: 'node' (Node.js) or 'classic' (TypeScript pre-1.6). */,
        "baseUrl": "./src" /* Base directory to resolve non-absolute module names. */,
        // "paths": {},                           /* A series of entries which re-map imports to lookup locations relative to the 'baseUrl'. */
        "allowSyntheticDefaultImports": true /* Allow default imports from modules with no default export. This does not affect code emit, just typechecking. */,
        "esModuleInterop": true /* Enables emit interoperability between CommonJS and ES Modules via creation of namespace objects for all imports. Implies 'allowSyntheticDefaultImports'. */,
        // "preserveSymlinks": true,              /* Do not resolve the real path of symlinks. */
        // "allowUmdGlobalAccess": true,          /* Allow accessing UMD globals from modules. */

        /* Experimental Options */
        "experimentalDecorators": true /* Enables experimental support for ES7 decorators. */,
        "emitDecoratorMetadata": true /* Enables experimental support for emitting type metadata for decorators. */,

        /* Advanced Options */
        "skipLibCheck": true /* Skip type checking of declaration files. */,
        "forceConsistentCasingInFileNames": true /* Disallow inconsistently-cased references to the same file. */,
        "typeRoots": ["./node_modules/@types", "./typings"],
        "paths": {
            "@bf-md/common": ["common"]
        }
    },
    "include": ["./src/**/*.ts", "./typings"],
    "exclude": ["node_modules", "dist"]
}