feat(hippy-vue): support once modifier

docs/hippy-vue/introduction.md

@@ -65,4 +65,4 @@ HippyVue 提供了 `beforeLoadStyle` 的 Vue options 勾子函数，供开发者
 
 # 转 Web
 
-未来 Hippy 会采用 `WebRenderer` 方案，增加基于公共通信协议的转换层，业务开发者可以使用同一套 Hippy 语法开发的业务代码，映射成 JS 实现的组件和模块，上层无论使用 React，Vue 或者其他第三方框架，都可以实现兼容，敬请期待。
+Hippy 全新 [`WebRenderer`](web/integration.md) 方案，增加基于公共通信协议的转换层，业务开发者可以使用同一套 Hippy 语法开发的业务代码，映射成 JS 实现的组件和模块，上层无论使用 React，Vue 或者其他第三方框架，都可以实现兼容，可参考。

examples/hippy-vue-demo/package.json

@@ -2,16 +2,13 @@
   "name": "hippy-vue-demo",
   "version": "2.0.0",
   "private": true,
-  "main": "./src/main.js",
   "webMain": "./src/main-web.js",
   "nativeMain": "./src/main-native.js",
   "author": "XQ Kuang <[email protected]>",
   "license": "Apache-2.0",
   "description": "Demo app for hippy-vue",
   "repository": "https://github.com/Tencent/Hippy/tree/master/examples/hippy-vue-demo",
   "scripts": {
-    "serve": "cross-env-os os=\"Windows_NT,Linux\" minVersion=17 NODE_OPTIONS=--openssl-legacy-provider vue-cli-service serve",
-    "build": "cross-env-os os=\"Windows_NT,Linux\" minVersion=17 NODE_OPTIONS=--openssl-legacy-provider vue-cli-service build",
     "lint": "cross-env-os os=\"Windows_NT,Linux\" minVersion=17 NODE_OPTIONS=--openssl-legacy-provider vue-cli-service lint",
     "hippy:debug": "hippy-debug",
     "hippy:dev": "cross-env-os os=\"Windows_NT,Linux\" minVersion=17 NODE_OPTIONS=--openssl-legacy-provider hippy-dev -c ./scripts/hippy-webpack.dev.js",

packages/hippy-vue/src/runtime/modules/events.js

@@ -30,33 +30,32 @@ function remove(event, handler, capture, _target) {
   (_target || target).removeEventListener(event);
 }
 
-function add(event, handler, once, capture) {
+// eslint-disable-next-line no-unused-vars
+function add(event, handler, capture, passive, params) {
   if (capture) {
     return;
   }
-  if (once) {
-    const oldHandler = handler;
-    const _target = target; // save current target element in closure
-    handler = (ev) => {
-      const res = arguments.length === 1
-        ? oldHandler(ev)
-        : oldHandler(...arguments);
-      if (res !== null) {
-        remove(event, null, null, _target);
-      }
-    };
-  }
   target.addEventListener(event, handler);
 }
 
+function createOnceHandler(event, handler, capture) {
+  const _target = target; // save current target element in closure
+  return function onceHandler() {
+    const res = handler(...arguments);
+    if (res !== null) {
+      remove(event, onceHandler, capture, _target);
+    }
+  };
+}
+
 function updateDOMListeners(oldVNode, vNode) {
   if (!oldVNode.data.on && !vNode.data.on) {
     return;
   }
   const on = vNode.data.on || {};
   const oldOn = oldVNode.data.on || {};
   target = vNode.elm;
-  updateListeners(on, oldOn, add, remove, vNode.context);
+  updateListeners(on, oldOn, add, remove, createOnceHandler, vNode.context);
 }
 
 export default {