perf: trigger event

Author: tangjinzhou

components/_util/BaseMixin.js

@@ -1,5 +1,4 @@
 import { getOptionProps } from './props-util';
-import { isOn } from './util';
 
 export default {
   methods: {
@@ -25,13 +24,10 @@ export default {
       });
     },
     __emit() {
-      // 直接调用listeners，底层组件不需要vueTool记录events
+      // 直接调用事件，底层组件不需要vueTool记录events
       const args = [].slice.call(arguments, 0);
       let eventName = args[0];
-      // TODO: 后续统一改成onXxxx，不在运行时转，提升性能
-      eventName = isOn(eventName)
-        ? eventName
-        : `on${eventName[0].toUpperCase()}${eventName.substring(1)}`;
+      eventName = `on${eventName[0].toUpperCase()}${eventName.substring(1)}`;
       const event = this.$props[eventName] || this.$attrs[eventName];
       if (args.length && event) {
         if (Array.isArray(event)) {

components/vc-trigger/Trigger.jsx

@@ -568,7 +568,10 @@ export default {
       if (this.childOriginEvents[type]) {
         this.childOriginEvents[type](e);
       }
-      this.__emit(type, e);
+      const event = this.$props[type] || this.$attrs[type];
+      if (event) {
+        event(e);
+      }
     },
 
     close() {