fix(okam-core): fix baidu swan app custom component event object argu…

…ment

packages/okam-core/src/base/component.js

@@ -138,6 +138,8 @@ export default {
          * @param {Object} event the event object
          */
         __handlerProxy(event) {
+            this.__beforeEventProxy && (event = this.__beforeEventProxy(event));
+
             // get event dataSet
             const data = event.currentTarget.dataset;
             const eventType = event.type;

packages/okam-core/src/swan/Component.js

@@ -1,13 +1,14 @@
 /**
  * @file Create swan component instance
+ *       Notice: Using swan custom component, suggest swan-core version `>=1.12`
  * @author [email protected]
  */
 
 'use strict';
 
 import {createComponent} from '../helper/factory';
 import {normalizeComponent} from '../helper/component';
-import {normalizeEventArgs} from './helper/triggerEvent';
+import {normalizeEventArgs, fixEventObject} from './helper/triggerEvent';
 import componentBase from '../base/component';
 
 /**
@@ -20,6 +21,14 @@ componentBase.methods.__beforeEmit = function (args) {
     return normalizeEventArgs(this, args);
 };
 
+/**
+ * Fix swan 1.12 event arguments upgrade
+ *
+ * @param {Object} event the event object
+ * @return {Object} the new event object
+ */
+componentBase.methods.__beforeEventProxy = fixEventObject;
+
 /**
  * Create component instance
  *

packages/okam-core/src/swan/Page.js

@@ -7,8 +7,17 @@
 
 import {createPage} from '../helper/factory';
 import {normalizePage} from '../helper/page';
+import {fixEventObject} from './helper/triggerEvent';
 import pageBase from '../base/page';
 
+/**
+ * Fix swan 1.12 event arguments upgrade
+ *
+ * @param {Object} event the event object
+ * @return {Object} the new event object
+ */
+pageBase.__beforeEventProxy = fixEventObject;
+
 /**
  * Create the page instance
  *

packages/okam-core/src/swan/helper/triggerEvent.js

@@ -46,3 +46,20 @@ export function normalizeEventArgs(component, args) {
 
     return args;
 }
+
+/**
+ * Fix event object argument
+ *
+ * @param {Object} event the event object to fix
+ * @return {Object}
+ */
+export function fixEventObject(event) {
+    let detail = event && event.detail;
+    // fix 1.12.x event object argument upgrade which to make the event object
+    // structure like weixin
+    if (detail && detail.currentTarget && detail.target && detail.type) {
+        return detail;
+    }
+
+    return event;
+}