slightly stronger tslint rules: fixed escodegen declaration

dist/index.js

@@ -90,7 +90,7 @@ module.exports =
 /******/ 	__webpack_require__.p = "";
 /******/
 /******/ 	// Load entry module and return exports
-/******/ 	return __webpack_require__(__webpack_require__.s = 150);
+/******/ 	return __webpack_require__(__webpack_require__.s = 151);
 /******/ })
 /************************************************************************/
 /******/ ([
@@ -8160,7 +8160,8 @@ module.exports = require("mkdirp");
 module.exports = require("reflect-metadata");
 
 /***/ },
-/* 150 */
+/* 150 */,
+/* 151 */
 /***/ function(module, exports, __webpack_require__) {
 
 "use strict";

src/declarations/escodegen.d.ts

@@ -6,5 +6,5 @@ declare module 'escodegen' {
      * @param options
      * @returns IGeneratorOutput
      */
-    export function generate(ast: any, options?: GenerateOptions): IGeneratorOutput;
+    export function generate (ast: any, options?: GenerateOptions): IGeneratorOutput;
 }