tsconfigbase.json

{
    "$schema": "http://json.schemastore.org/tsconfig",
    "compilerOptions": {
        "target": "es5",
        "module": "es6",
        "lib": ["dom", "ES6"],
        "allowJs": false,
        "alwaysStrict": true,
        "declaration": true,
        "declarationMap": true,
        "downlevelIteration": true,
        "forceConsistentCasingInFileNames": true,
        "incremental": true,
        "moduleResolution": "node",
        "noEmitOnError": true,
        "noImplicitAny": true,
        "noImplicitReturns": true,
        "noImplicitThis": true,
        "noUnusedLocals": true,
        "strict": true,
        "strictBindCallApply": true,
        "strictFunctionTypes": true,
        "strictNullChecks": true,
        "strictPropertyInitialization": true,
        "preserveWatchOutput": true,
    }
}