feat(Dialog): add new prop transition

fix #954

packages/dialog/README.md

@@ -138,6 +138,7 @@ Page({
 | closeOnClickOverlay | 点击蒙层时是否关闭弹窗 | `Boolean` | `false` |
 | asyncClose | 是否异步关闭弹窗，开启后需要手动控制弹窗的关闭 | `Boolean` | `false` |
 | context | 选择器的选择范围，可以传入自定义组件的 this 作为上下文 | `Object` | 当前页面 |
+| transition | 是否开启进场动画 | `Boolean` | `true` |
 
 ### API
 
@@ -158,6 +159,7 @@ Page({
 | close-on-click-overlay | 点击蒙层时是否关闭弹窗 | `Boolean` | `false` |
 | use-slot | 是否使用自定义内容的插槽 | `Boolean` | `false` |
 | async-close | 是否异步关闭弹窗，开启后需要手动控制弹窗的关闭 | `Boolean` | `false` |
+| transition | 是否开启进场动画 | `Boolean` | `true` |
 
 ### Event
 

packages/dialog/dialog.ts

@@ -16,6 +16,7 @@ type DialogOptions = {
   showCancelButton?: boolean;
   closeOnClickOverlay?: boolean;
   confirmButtonOpenType?: string;
+  transition?: boolean;
 }
 
 interface Dialog {
@@ -68,7 +69,8 @@ Dialog.defaultOptions = {
   showConfirmButton: true,
   showCancelButton: false,
   closeOnClickOverlay: false,
-  confirmButtonOpenType: ''
+  confirmButtonOpenType: '',
+  transition: true
 };
 
 Dialog.alert = options =>

packages/dialog/index.ts

@@ -32,6 +32,10 @@ VantComponent({
     overlay: {
       type: Boolean,
       value: true
+    },
+    transition: {
+      type: Boolean,
+      value: true
     }
   },
 

packages/dialog/index.wxml

@@ -1,6 +1,6 @@
 <van-popup
   show="{{ show }}"
-  transition="scale"
+  transition="{{ transition ? 'scale' : '' }}"
   z-index="{{ zIndex }}"
   overlay="{{ overlay }}"
   custom-class="van-dialog"