chore(style): Updated ts-lint and applied its suggestions

package.json

@@ -64,8 +64,8 @@
     "sinon-chai": "3.3.0",
     "travis-deploy-once": "5.0.11",
     "ts-node": "7.0.1",
-    "tslint": "5.11.0",
-    "tslint-microsoft-contrib": "5.2.0",
+    "tslint": "5.12.1",
+    "tslint-microsoft-contrib": "6.0.0",
     "typescript": "3.0.1"
   },
   "config": {

src/TinyType.ts

@@ -19,7 +19,7 @@ import { JSONObject, JSONValue, NonNullJSONPrimitive, Serialisable, Serialised }
  *
  * @returns a dynamically created base class your tiny type can extend from
  */
-export function TinyTypeOf<T>(): { new(_: T): { value: T } & TinyType } {
+export function TinyTypeOf<T>(): new(_: T) => { value: T } & TinyType {
     return class extends TinyType {
         constructor(public readonly value: T) {
             super();

src/predicates/isInstanceOf.ts

@@ -15,6 +15,6 @@ import { Predicate } from './Predicate';
  * @param {Constructor<T>} type
  * @returns {Predicate<T>}
  */
-export function isInstanceOf<T>(type: { new (...args: any[]): T }): Predicate<T> {
+export function isInstanceOf<T>(type: new (...args: any[]) => T): Predicate<T> {
     return Predicate.to(`be instance of ${type.name}`, (value: T) => value instanceof type);
 }

src/types/constructors.ts

@@ -1,5 +1,3 @@
-export interface Constructor<T> {
-    new (...args: any[]): T;
-}
+export type Constructor<T> = new (...args: any[]) => T;
 export type ConstructorOrAbstract<T = {}> = Function & { prototype: T };                  // tslint:disable-line:ban-types
 export type ConstructorAbstractOrInstance<T = {}> = T | ConstructorOrAbstract;            // tslint:disable-line:ban-types