显示设定core-js的版本

.babelrc

@@ -4,6 +4,7 @@
         "@babel/env",
         {
             "modules": false,
+            "corejs": "3",
             "useBuiltIns": "usage"
         }
     ], "@babel/react"] ,

lib/_Bridge.js

-import "core-js/modules/es6.function.bind";
+import "core-js/modules/es.array.index-of";
+import "core-js/modules/es.function.bind";
+import "core-js/modules/es.object.to-string";
+import "core-js/modules/es.promise";
 import _regeneratorRuntime from "@babel/runtime/regenerator";
-import "core-js/modules/es6.promise";
-import "core-js/modules/es6.object.to-string";
 import "regenerator-runtime/runtime";
 import _asyncToGenerator from "@babel/runtime/helpers/asyncToGenerator";
-import "core-js/modules/es6.array.index-of";
 import invoke from 'react-native-webview-invoke/browser';
 /*
 * 检测是否app环境

yarn.lock

@@ -4301,6 +4301,11 @@ core-js@2.6.9:
   resolved "https://registry.npm.taobao.org/core-js/download/core-js-2.6.9.tgz?cache=0&sync_timestamp=1609681993371&other_urls=https%3A%2F%2Fregistry.npm.taobao.org%2Fcore-js%2Fdownload%2Fcore-js-2.6.9.tgz#6b4b214620c834152e179323727fc19741b084f2"
   integrity sha1-a0shRiDINBUuF5Mjcn/Bl0GwhPI=
 
+core-js@3:
+  version "3.8.3"
+  resolved "https://registry.npm.taobao.org/core-js/download/core-js-3.8.3.tgz?cache=0&sync_timestamp=1611038912958&other_urls=https%3A%2F%2Fregistry.npm.taobao.org%2Fcore-js%2Fdownload%2Fcore-js-3.8.3.tgz#c21906e1f14f3689f93abcc6e26883550dd92dd0"
+  integrity sha1-whkG4fFPNon5OrzG4miDVQ3ZLdA=
+
 core-js@3.1.4:
   version "3.1.4"
   resolved "https://registry.npm.taobao.org/core-js/download/core-js-3.1.4.tgz?cache=0&sync_timestamp=1609681993371&other_urls=https%3A%2F%2Fregistry.npm.taobao.org%2Fcore-js%2Fdownload%2Fcore-js-3.1.4.tgz#3a2837fc48e582e1ae25907afcd6cf03b0cc7a07"
@@ -4321,11 +4326,6 @@ core-js@^3.0.0, core-js@^3.6.5:
   resolved "https://registry.npm.taobao.org/core-js/download/core-js-3.8.2.tgz?cache=0&sync_timestamp=1609681993371&other_urls=https%3A%2F%2Fregistry.npm.taobao.org%2Fcore-js%2Fdownload%2Fcore-js-3.8.2.tgz#0a1fd6709246da9ca8eff5bb0cbd15fba9ac7044"
   integrity sha1-Ch/WcJJG2pyo7/W7DL0V+6mscEQ=
 
-core-js@^3.8.3:
-  version "3.8.3"
-  resolved "https://registry.npm.taobao.org/core-js/download/core-js-3.8.3.tgz?cache=0&sync_timestamp=1611038912958&other_urls=https%3A%2F%2Fregistry.npm.taobao.org%2Fcore-js%2Fdownload%2Fcore-js-3.8.3.tgz#c21906e1f14f3689f93abcc6e26883550dd92dd0"
-  integrity sha1-whkG4fFPNon5OrzG4miDVQ3ZLdA=
-
 core-util-is@1.0.2, core-util-is@~1.0.0:
   version "1.0.2"
   resolved "https://registry.npm.taobao.org/core-util-is/download/core-util-is-1.0.2.tgz#b5fd54220aa2bc5ab57aab7140c940754503c1a7"