typescript/src/tsconfig-base.json

{
    "compilerOptions": {
        "pretty": true,
        "lib": ["es2015.iterable", "es2015.generator", "es5"],
        "target": "es5",
        "moduleResolution": "classic",
        "rootDir": ".",

        "declaration": true,
        "declarationMap": true,
        "sourceMap": true,
        "composite": true,
        "noEmitOnError": true,

        "strictNullChecks": true,
        "noImplicitAny": true,
        "noImplicitThis": true,
        "strictPropertyInitialization": true,
        "noUnusedLocals": true,
        "noUnusedParameters": true,

        "skipLibCheck": true,

        "alwaysStrict": true,
        "preserveConstEnums": true,
        "newLine": "lf",

        "types": []
    }
}