From 75bc6b6c0845836299b6be122118bf89fd8f59db Mon Sep 17 00:00:00 2001
From: Hsuan Lee <HsuanGM@gmail.com>
Date: Thu, 16 Nov 2017 16:27:43 +0800
Subject: [PATCH] feat(module:modal): support disable the esc key to close
 (#567)

---
 src/components/modal/nz-confirm.component.ts | 4 +++-
 src/components/modal/nz-modal.component.ts   | 4 +++-
 2 files changed, 6 insertions(+), 2 deletions(-)

diff --git a/src/components/modal/nz-confirm.component.ts b/src/components/modal/nz-confirm.component.ts
index 79cbf9ee8e..21863e8646 100644
--- a/src/components/modal/nz-confirm.component.ts
+++ b/src/components/modal/nz-confirm.component.ts
@@ -192,7 +192,9 @@ export class NzConfirmComponent implements OnInit, OnDestroy {
 
   @HostListener('keydown.esc', [ '$event' ])
   onEsc(e): void {
-    this.subject.next('onCancel');
+    if (this._maskClosable) {
+      this.subject.next('onCancel');
+    }
   }
 
   @HostListener('keydown.enter', [ '$event' ])
diff --git a/src/components/modal/nz-modal.component.ts b/src/components/modal/nz-modal.component.ts
index 9cc011627f..bbbd39a62e 100644
--- a/src/components/modal/nz-modal.component.ts
+++ b/src/components/modal/nz-modal.component.ts
@@ -241,7 +241,9 @@ export class NzModalComponent implements OnInit, OnDestroy, AfterViewInit {
 
   @HostListener('keydown.esc', [ '$event' ])
   onEsc(e): void {
-    this.clickCancel(e);
+    if (this._maskClosable) {
+      this.clickCancel(e);
+    }
   }
 
   setStyles(origin?): void {