feat: 氧化铝数字孪生系统监控大屏完成

node_modules/resize-observer-polyfill/src/ResizeObserver.js

@@ -0,0 +1,47 @@
+import {Map} from './shims/es6-collections.js';
+import ResizeObserverController from './ResizeObserverController.js';
+import ResizeObserverSPI from './ResizeObserverSPI.js';
+
+// Registry of internal observers. If WeakMap is not available use current shim
+// for the Map collection as it has all required methods and because WeakMap
+// can't be fully polyfilled anyway.
+const observers = typeof WeakMap !== 'undefined' ? new WeakMap() : new Map();
+
+/**
+ * ResizeObserver API. Encapsulates the ResizeObserver SPI implementation
+ * exposing only those methods and properties that are defined in the spec.
+ */
+class ResizeObserver {
+    /**
+     * Creates a new instance of ResizeObserver.
+     *
+     * @param {ResizeObserverCallback} callback - Callback that is invoked when
+     *      dimensions of the observed elements change.
+     */
+    constructor(callback) {
+        if (!(this instanceof ResizeObserver)) {
+            throw new TypeError('Cannot call a class as a function.');
+        }
+        if (!arguments.length) {
+            throw new TypeError('1 argument required, but only 0 present.');
+        }
+
+        const controller = ResizeObserverController.getInstance();
+        const observer = new ResizeObserverSPI(callback, controller, this);
+
+        observers.set(this, observer);
+    }
+}
+
+// Expose public methods of ResizeObserver.
+[
+    'observe',
+    'unobserve',
+    'disconnect'
+].forEach(method => {
+    ResizeObserver.prototype[method] = function () {
+        return observers.get(this)[method](...arguments);
+    };
+});
+
+export default ResizeObserver;