fix(h5): onTabItemTap

src/platforms/h5/components/app/tabBar.vue

@@ -220,16 +220,20 @@ export default {
       if (url === __uniRoutes[0].alias) {
         url = '/'
       }
-      UniServiceJSBridge.emit('onTabItemTap', {
+      const detail = {
         index,
         text,
         pagePath
-      })
-      if (this.$route.path !== url) {
-        this.__path__ = this.$route.path
-        uni.switchTab({
-          url
-        })
+      }
+      if (this.$route.path !== url) {
+        this.__path__ = this.$route.path
+        uni.switchTab({
+          from: 'tabBar',
+          url,
+          detail
+        })
+      } else {
+        UniServiceJSBridge.emit('onTabItemTap', detail)
       }
     }
   }

yarn.lock

@@ -1457,6 +1457,10 @@ balanced-match@^1.0.0:
   version "1.0.0"
   resolved "https://registry.yarnpkg.com/balanced-match/-/balanced-match-1.0.0.tgz#89b4d199ab2bee49de164ea02b89ce462d71b767"
 
+base64-arraybuffer@^0.2.0:
+  version "0.2.0"
+  resolved "https://registry.npmjs.org/base64-arraybuffer/-/base64-arraybuffer-0.2.0.tgz#4b944fac0191aa5907afe2d8c999ccc57ce80f45"
+
 base64-js@^1.0.2:
   version "1.3.0"
   resolved "https://registry.yarnpkg.com/base64-js/-/base64-js-1.3.0.tgz#cab1e6118f051095e58b5281aea8c1cd22bfc0e3"