demo(dialog): set init values for minWidth, minHeight, maxWidth and maxHeight

Author: emilio-martinez

src/demo-app/dialog/dialog-demo.ts

@@ -1,21 +1,8 @@
 import {Component, Inject, ViewChild, TemplateRef} from '@angular/core';
 import {DOCUMENT} from '@angular/platform-browser';
-import {
-  DialogPosition,
-  MatDialog,
-  MatDialogConfig,
-  MatDialogRef,
-  MAT_DIALOG_DATA
-} from '@angular/material';
-
-/**
- * Appeases the AOT type checker for the template by extending `MatDialogConfig`
- * to disallow `position` from being undefined, given that it’s optional.
- * Guards cannot be set on the template because the values are bound to NgModel.
- */
-interface MatDemoDialogConfig extends MatDialogConfig {
-  position: DialogPosition;
-}
+import {MatDialog, MatDialogConfig, MatDialogRef, MAT_DIALOG_DATA} from '@angular/material';
+
+const defaultDialogConfig = new MatDialogConfig();
 
 @Component({
   moduleId: module.id,
@@ -28,13 +15,17 @@ export class DialogDemo {
   lastAfterClosedResult: string;
   lastBeforeCloseResult: string;
   actionsAlignment: string;
-  config: MatDemoDialogConfig = {
+  config = {
     disableClose: false,
     panelClass: 'custom-overlay-pane-class',
     hasBackdrop: true,
     backdropClass: '',
     width: '',
     height: '',
+    minWidth: '',
+    minHeight: '',
+    maxWidth: defaultDialogConfig.maxWidth,
+    maxHeight: '',
     position: {
       top: '',
       bottom: '',