add all frontend files

node_modules/rc-resize-observer/lib/utils/observerUtil.d.ts

@@ -0,0 +1,7 @@
+export type ResizeListener = (element: Element) => void;
+declare function onResize(entities: ResizeObserverEntry[]): void;
+export declare const _el: Map<Element, Set<ResizeListener>>;
+export declare const _rs: typeof onResize;
+export declare function observe(element: Element, callback: ResizeListener): void;
+export declare function unobserve(element: Element, callback: ResizeListener): void;
+export {};

node_modules/rc-resize-observer/lib/utils/observerUtil.js

@@ -0,0 +1,46 @@
+"use strict";
+
+var _interopRequireDefault = require("@babel/runtime/helpers/interopRequireDefault").default;
+Object.defineProperty(exports, "__esModule", {
+  value: true
+});
+exports._rs = exports._el = void 0;
+exports.observe = observe;
+exports.unobserve = unobserve;
+var _resizeObserverPolyfill = _interopRequireDefault(require("resize-observer-polyfill"));
+// =============================== Const ===============================
+var elementListeners = new Map();
+function onResize(entities) {
+  entities.forEach(function (entity) {
+    var _elementListeners$get;
+    var target = entity.target;
+    (_elementListeners$get = elementListeners.get(target)) === null || _elementListeners$get === void 0 || _elementListeners$get.forEach(function (listener) {
+      return listener(target);
+    });
+  });
+}
+
+// Note: ResizeObserver polyfill not support option to measure border-box resize
+var resizeObserver = new _resizeObserverPolyfill.default(onResize);
+
+// Dev env only
+var _el = exports._el = process.env.NODE_ENV !== 'production' ? elementListeners : null; // eslint-disable-line
+var _rs = exports._rs = process.env.NODE_ENV !== 'production' ? onResize : null; // eslint-disable-line
+
+// ============================== Observe ==============================
+function observe(element, callback) {
+  if (!elementListeners.has(element)) {
+    elementListeners.set(element, new Set());
+    resizeObserver.observe(element);
+  }
+  elementListeners.get(element).add(callback);
+}
+function unobserve(element, callback) {
+  if (elementListeners.has(element)) {
+    elementListeners.get(element).delete(callback);
+    if (!elementListeners.get(element).size) {
+      resizeObserver.unobserve(element);
+      elementListeners.delete(element);
+    }
+  }
+}