tsconfig.json

{
  "compilerOptions": {
    "skipLibCheck": true,
    "module": "commonjs",
    "target": "es6",
    "outDir": "out",
    "moduleResolution": "node",
    "lib": ["es6"],
    "sourceMap": true,
    "rootDir": "src",
    "strict": true /* enable all strict type-checking options */,
    /* Additional Checks */
    // "noImplicitReturns": true, /* Report error when not all code paths in function return a value. */
    // "noFallthroughCasesInSwitch": true, /* Report errors for fallthrough cases in switch statement. */
    // "noUnusedParameters": true,  /* Report errors on unused parameters. */
    "useUnknownInCatchVariables": false
  },
  "include": [
    "src/**/*.ts",
    "./node_modules/vscode/vscode.d.ts",
    "./node_modules/vscode/lib/*"
  ]
}