add all frontend files

node_modules/rc-util/es/test/domHook.d.ts

@@ -0,0 +1,8 @@
+export type ElementClass = Function;
+export type Property = PropertyDescriptor | Function;
+export declare function spyElementPrototypes<T extends ElementClass>(elementClass: T, properties: Record<string, Property>): {
+    mockRestore(): void;
+};
+export declare function spyElementPrototype(Element: ElementClass, propName: string, property: Property): {
+    mockRestore(): void;
+};

node_modules/rc-util/es/test/domHook.js

@@ -0,0 +1,59 @@
+import _defineProperty from "@babel/runtime/helpers/esm/defineProperty";
+import _objectSpread from "@babel/runtime/helpers/esm/objectSpread2";
+/* eslint-disable no-param-reassign */
+var NO_EXIST = {
+  __NOT_EXIST: true
+};
+export function spyElementPrototypes(elementClass, properties) {
+  var propNames = Object.keys(properties);
+  var originDescriptors = {};
+  propNames.forEach(function (propName) {
+    var originDescriptor = Object.getOwnPropertyDescriptor(elementClass.prototype, propName);
+    originDescriptors[propName] = originDescriptor || NO_EXIST;
+    var spyProp = properties[propName];
+    if (typeof spyProp === 'function') {
+      // If is a function
+      elementClass.prototype[propName] = function spyFunc() {
+        for (var _len = arguments.length, args = new Array(_len), _key = 0; _key < _len; _key++) {
+          args[_key] = arguments[_key];
+        }
+        return spyProp.call.apply(spyProp, [this, originDescriptor].concat(args));
+      };
+    } else {
+      // Otherwise tread as a property
+      Object.defineProperty(elementClass.prototype, propName, _objectSpread(_objectSpread({}, spyProp), {}, {
+        set: function set(value) {
+          if (spyProp.set) {
+            return spyProp.set.call(this, originDescriptor, value);
+          }
+          return originDescriptor.set(value);
+        },
+        get: function get() {
+          if (spyProp.get) {
+            return spyProp.get.call(this, originDescriptor);
+          }
+          return originDescriptor.get();
+        },
+        configurable: true
+      }));
+    }
+  });
+  return {
+    mockRestore: function mockRestore() {
+      propNames.forEach(function (propName) {
+        var originDescriptor = originDescriptors[propName];
+        if (originDescriptor === NO_EXIST) {
+          delete elementClass.prototype[propName];
+        } else if (typeof originDescriptor === 'function') {
+          elementClass.prototype[propName] = originDescriptor;
+        } else {
+          Object.defineProperty(elementClass.prototype, propName, originDescriptor);
+        }
+      });
+    }
+  };
+}
+export function spyElementPrototype(Element, propName, property) {
+  return spyElementPrototypes(Element, _defineProperty({}, propName, property));
+}
+/* eslint-enable */