OSSecureFileWrapper/tsconfig.json

{
   "compilerOptions": {
      /* Basic Options */
      "target": "es6", /* Specify ECMAScript target version: 'ES3' (default), 'ES5', 'ES2015', 'ES2016', 'ES2017', or 'ESNEXT'. */
      "module": "commonjs", /* Specify module code generation: 'none', 'commonjs', 'amd', 'system', 'umd', 'es2015', or 'ESNext'. */
      "declaration": true, /* Generates corresponding '.d.ts' file. */
      "lib": [
         "es6",
         "dom"
      ],
      "outDir": "./lib",
      "sourceMap": true
   },
   "include": [
      "./src"
   ]
}