implement cloneNode

mbostock · mbostock · commit 4324fa0a6f5e · 2024-08-06T11:14:23.000-04:00
diff --git a/docs/components/PlotRender.js b/docs/components/PlotRender.js
@@ -90,6 +90,12 @@ class Element {
     child.parentNode = this;
     return child;
   }
+  cloneNode(deep) {
+    const clone = new Element(this.ownerDocument, this.tagName);
+    clone.attributes = {...this.attributes};
+    if (deep) clone.children = this.children.map((child) => child.cloneNode(deep));
+    return clone;
+  }
   querySelector() {
     return null;
   }

Original file line number	Diff line number	Diff line change
`@@ -90,6 +90,12 @@ class Element {`
`90`	`90`	`child.parentNode = this;`
`91`	`91`	`return child;`
`92`	`92`	`}`
	`93`	`+ cloneNode(deep) {`
	`94`	`+ const clone = new Element(this.ownerDocument, this.tagName);`
	`95`	`+ clone.attributes = {...this.attributes};`
	`96`	`+ if (deep) clone.children = this.children.map((child) => child.cloneNode(deep));`
	`97`	`+ return clone;`
	`98`	`+ }`
`93`	`99`	`querySelector() {`
`94`	`100`	`return null;`
`95`	`101`	`}`