{ "compilerOptions": { /* Basic Options */ "target": "es6", /* Specify ECMAScript target version: 'ES3' (default), 'ES5', 'ES2015', 'ES2016', 'ES2017','ES2018' or 'ESNEXT'. */ "module": "commonjs", /* Specify module code generation: 'none', 'commonjs', 'amd', 'system', 'umd', 'es2015', or 'ESNext'. */ "declaration": true, /* Generates corresponding '.d.ts' file. */ "outDir": "./lib", "strict": true, /* Enable all strict type-checking options. */ "strictPropertyInitialization": false, /* Enable strict checking of property initialization in classes. */ /* Experimental Options */ "experimentalDecorators": true, /* Enables experimental support for ES7 decorators. */ "emitDecoratorMetadata": true, /* Enables experimental support for emitting type metadata for decorators. */ "skipLibCheck": true, } }