tsconfig.json

{
    "compilerOptions": {
        // module code generation
        "module": "commonjs",
        "esModuleInterop": false,

        // ECMAScript target version: 
        "target": "es6",

        // enables --noImplicitAny, --noImplicitThis, --alwaysStrict, --strictBindCallApply, --strictNullChecks, --strictFunctionTypes and --strictPropertyInitialization.
        "strict": true,
        "strictPropertyInitialization": false,

        // determine how modules are resolved
        "moduleResolution": "node",

        // generate files to revert combined/minified file back to original states
        "sourceMap": true,

        // redirect output structure to the directory
        "outDir": "dist",

        // base directory to resolve non-relative module names
        "baseUrl": ".",

        // mapping entries for module names to locations 
        "paths": {
            "*": [
                "node_modules/",
                "src/constants/*"
            ]
        }
    },
    "include": [
        "src/**/*"
    ],
    // exclude npm modules during compilations 
    "exclude": [
        "node_modules"
    ]
}