Add destroy handler to BaseComponent

lib/components/base.js

@@ -1,5 +1,5 @@
 'use strict';
-import {Component, View, OnInit, ChangeDetectionStrategy} from 'angular2/core';
+import {Component, View, OnInit, OnDestroy, ChangeDetectionStrategy} from 'angular2/core';
 import {CORE_DIRECTIVES, JsonPipe} from 'angular2/common';
 import SchemaManager from '../utils/SchemaManager';
 import JsonPointer from '../utils/JsonPointer';
@@ -41,7 +41,7 @@ export function RedocComponent(options) {
       selector: options.selector,
       inputs: inputs,
       outputs: options.outputs,
-      lifecycle: [OnInit],
+      lifecycle: [OnInit, OnDestroy],
       providers: options.providers,
       changeDetection: options.changeDetection || ChangeDetectionStrategy.Detached
     });
@@ -77,6 +77,10 @@ export class BaseComponent {
     this.init();
   }
 
+  ngOnDestroy() {
+    this.destroy();
+  }
+
   /**
    * simple in-place schema dereferencing. Schema is already bundled so no need in global dereferencing.
    * TODO: doesn't support circular references
@@ -151,5 +155,11 @@ export class BaseComponent {
    * @abstract
    */
   init() {}
+
+  /**
+   + Used to destroy component
+   * @abstract
+   */
+  destroy() {}
 }
 BaseComponent.parameters = [[SchemaManager]];