更新前端静态网页获取方式，放弃使用后端获取api

frontend/node_modules/core-js-pure/modules/esnext.reflect.get-own-metadata-keys.js

@@ -0,0 +1,17 @@
+'use strict';
+// TODO: Remove from `core-js@4`
+var $ = require('../internals/export');
+var ReflectMetadataModule = require('../internals/reflect-metadata');
+var anObject = require('../internals/an-object');
+
+var ordinaryOwnMetadataKeys = ReflectMetadataModule.keys;
+var toMetadataKey = ReflectMetadataModule.toKey;
+
+// `Reflect.getOwnMetadataKeys` method
+// https://github.com/rbuckton/reflect-metadata
+$({ target: 'Reflect', stat: true }, {
+  getOwnMetadataKeys: function getOwnMetadataKeys(target /* , targetKey */) {
+    var targetKey = arguments.length < 2 ? undefined : toMetadataKey(arguments[1]);
+    return ordinaryOwnMetadataKeys(anObject(target), targetKey);
+  }
+});