[Improvement] Dialog: add setDefaultOptions method (#539)

packages/dialog/index.js

@@ -3,7 +3,7 @@ import DialogComponent from './dialog';
 
 let instance;
 
-const defaultConfig = {
+const defaultOptions = {
   value: true,
   title: '',
   message: '',
@@ -19,6 +19,10 @@ const defaultConfig = {
   }
 };
 
+let currentDefaultOptions = {
+  ...defaultOptions
+};
+
 const initInstance = () => {
   const DialogConstructor = Vue.extend(DialogComponent);
   instance = new DialogConstructor({
@@ -47,12 +51,12 @@ const Dialog = options => {
 };
 
 Dialog.alert = options => Dialog({
-  ...defaultConfig,
+  ...currentDefaultOptions,
   ...options
 });
 
 Dialog.confirm = options => Dialog({
-  ...defaultConfig,
+  ...currentDefaultOptions,
   showCancelButton: true,
   ...options
 });
@@ -61,6 +65,19 @@ Dialog.close = () => {
   instance.value = false;
 };
 
+Dialog.setDefaultOptions = (options = {}) => {
+  currentDefaultOptions = {
+    ...currentDefaultOptions,
+    ...options
+  };
+};
+
+Dialog.resetDefaultOptions = () => {
+  currentDefaultOptions = {
+    ...defaultOptions
+  };
+};
+
 Vue.prototype.$dialog = Dialog;
 
 export default Dialog;