draft

node_modules/jsdom/lib/jsdom/living/nodes/SVGSVGElement-impl.js

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+"use strict";
+
+const { mixin } = require("../../utils");
+const SVGNumber = require("../generated/SVGNumber");
+const SVGGraphicsElementImpl = require("./SVGGraphicsElement-impl").implementation;
+const WindowEventHandlersImpl = require("./WindowEventHandlers-impl").implementation;
+const { domSymbolTree } = require("../helpers/internal-constants");
+const { ELEMENT_NODE } = require("../node-type");
+
+class SVGSVGElementImpl extends SVGGraphicsElementImpl {
+  constructor(args, privateData) {
+    super(args, privateData);
+    this._proxyWindowEventsToWindow();
+  }
+
+  createSVGNumber() {
+    return SVGNumber.createImpl([], {});
+  }
+
+  getElementById(elementId) {
+    // TODO: optimize with _ids caching trick; see Document class.
+    for (const node of domSymbolTree.treeIterator(this)) {
+      if (node.nodeType === ELEMENT_NODE && node.getAttribute("id") === elementId) {
+        return node;
+      }
+    }
+    return null;
+  }
+
+  suspendRedraw() {
+    return 1;
+  }
+  unsuspendRedraw() {}
+  unsuspendRedrawAll() {}
+  forceRedraw() {}
+}
+
+mixin(SVGSVGElementImpl.prototype, WindowEventHandlersImpl.prototype);
+
+module.exports = {
+  implementation: SVGSVGElementImpl
+};