koffing/tsconfig.json

{
    "compilerOptions": {
        "target": "es5",
        "module": "commonjs",
        "moduleResolution": "node",
        "sourceMap": true,
        "emitDecoratorMetadata": true,
        "experimentalDecorators": true,
        "lib": ["es2015", "es2017", "dom"],
        "removeComments": false,
        "noImplicitAny": true,
        "suppressImplicitAnyIndexErrors": true,
        "baseUrl": ".",
        "paths": {
            "koffing/*": ["src/app/*"]
        }
    }
}