From 35578647449bfecbeb91b411942f6371e1d832fb Mon Sep 17 00:00:00 2001
From: fxy060608 <fxy060608@gmail.com>
Date: Fri, 3 Apr 2020 14:52:46 +0800
Subject: [PATCH] fix(mp-toutiao): clean up vms

---
 packages/uni-mp-toutiao/dist/index.js             | 15 +++++++++++++--
 .../mp-toutiao/runtime/wrapper/page-parser.js     | 14 +++++++++++++-
 src/platforms/mp-toutiao/runtime/wrapper/util.js  |  4 ++--
 3 files changed, 28 insertions(+), 5 deletions(-)

diff --git a/packages/uni-mp-toutiao/dist/index.js b/packages/uni-mp-toutiao/dist/index.js
index 666b02e8a..8cc806ac4 100644
--- a/packages/uni-mp-toutiao/dist/index.js
+++ b/packages/uni-mp-toutiao/dist/index.js
@@ -231,13 +231,13 @@ const promiseInterceptor = {
 };
 
 const SYNC_API_RE =
-  /^\$|restoreGlobal|getCurrentSubNVue|getMenuButtonBoundingClientRect|^report|interceptors|Interceptor$|getSubNVueById|requireNativePlugin|upx2px|hideKeyboard|canIUse|^create|Sync$|Manager$|base64ToArrayBuffer|arrayBufferToBase64/;
+  /^\$|sendNativeEvent|restoreGlobal|getCurrentSubNVue|getMenuButtonBoundingClientRect|^report|interceptors|Interceptor$|getSubNVueById|requireNativePlugin|upx2px|hideKeyboard|canIUse|^create|Sync$|Manager$|base64ToArrayBuffer|arrayBufferToBase64/;
 
 const CONTEXT_API_RE = /^create|Manager$/;
 
 const ASYNC_API = ['createBLEConnection'];
 
-const CALLBACK_API_RE = /^on/;
+const CALLBACK_API_RE = /^on|^off/;
 
 function isContextApi (name) {
   return CONTEXT_API_RE.test(name)
@@ -1699,6 +1699,17 @@ function parsePage (vuePageOptions) {
     } else {
       this.is && console.warn(this.is + ' is not ready');
     }
+  };
+
+  pageOptions.lifetimes.detached = function detached () {
+    this.$vm && this.$vm.$destroy();
+    // 清理
+    const webviewId = this.__webviewId__;
+    webviewId && Object.keys(instances).forEach(key => {
+      if (key.indexOf(webviewId + '_') === 0) {
+        delete instances[key];
+      }
+    });
   };
 
   return pageOptions
diff --git a/src/platforms/mp-toutiao/runtime/wrapper/page-parser.js b/src/platforms/mp-toutiao/runtime/wrapper/page-parser.js
index 26959e8d6..6598851b0 100644
--- a/src/platforms/mp-toutiao/runtime/wrapper/page-parser.js
+++ b/src/platforms/mp-toutiao/runtime/wrapper/page-parser.js
@@ -1,5 +1,6 @@
 import {
-  isPage,
+  isPage,
+  instances,
   initRelation
 } from './util'
 
@@ -21,6 +22,17 @@ export default function parsePage (vuePageOptions) {
     } else {
       this.is && console.warn(this.is + ' is not ready')
     }
+  }
+
+  pageOptions.lifetimes.detached = function detached () {
+    this.$vm && this.$vm.$destroy()
+    // 清理
+    const webviewId = this.__webviewId__
+    webviewId && Object.keys(instances).forEach(key => {
+      if (key.indexOf(webviewId + '_') === 0) {
+        delete instances[key]
+      }
+    })
   }
 
   return pageOptions
diff --git a/src/platforms/mp-toutiao/runtime/wrapper/util.js b/src/platforms/mp-toutiao/runtime/wrapper/util.js
index 87dc0989a..01980a0cc 100644
--- a/src/platforms/mp-toutiao/runtime/wrapper/util.js
+++ b/src/platforms/mp-toutiao/runtime/wrapper/util.js
@@ -51,7 +51,7 @@ export function initRefs (vm) {
   }
 }
 
-const instances = Object.create(null)
+export const instances = Object.create(null)
 
 export function initRelation ({
   vuePid,
@@ -101,4 +101,4 @@ export function handleLink ({
   vm._isMounted = true
   vm.__call_hook('mounted')
   vm.__call_hook('onReady')
-}
+}
-- 
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