Add a shortcut to retrieve a named reporter

src/core.ts

@@ -6,6 +6,7 @@ import {LoggerInstance} from 'winston';
 import UriBuilder from './uri-builder';
 import {InterfaceReporter, InterfaceReporterCollection, Reporter} from './reporter';
 import fs = require('fs');
+import {InterfaceCore} from '../dist/core';
 
 export interface InterfaceCore {
   name: string;
@@ -102,11 +103,18 @@ class Core {
 
   /**
    * Get a singleton reporter instance with a specific name
-   * @param {number} interval
+   * @param {number | string} nameOrInterval The interval or a shortcut for the name
    * @param {string} name
    * @returns {Reporter}
    */
-  public getReporter(interval: number = 10000, name: string = 'default'): InterfaceReporter {
+  public getReporter(nameOrInterval: number | string = 10000, name: string = 'default'): InterfaceReporter {
+    let interval = 10000;
+    if (typeof nameOrInterval === 'number') {
+      interval = nameOrInterval;
+    } else {
+      name = nameOrInterval;
+    }
+
     let reporter = this.reporter.find((r) => r.name === name);
     if (typeof reporter === 'undefined') {
       reporter = {name, reporter: new Reporter(this, interval)};