orep-js/sunpy/node/nodes/swapnode.js
2020-04-21 15:55:56 +02:00

41 lines
1.1 KiB
JavaScript

import { BaseNode } from "./basenode.js";
export class SwapNode extends BaseNode {
constructor(node, swapNode) {
super(node);
if (!(swapNode instanceof Node))
throw TypeError("swapNode must be instance of `Node`");
this.swapNode = swapNode;
this.hasReplaceNodes = false;
}
replaceNodes() {
if (this.hasReplaceNodes)
return false;
// Copy id and classes to new node
if (this.node.id)
this.swapNode.id = this.node.id;
if (this.node.classList.length)
this.swapNode.classList = this.node.classList;
this.linker(this.node, this.swapNode);
this.node.parentNode.replaceChild(this.swapNode, this.node);
this.node = this.swapNode;
delete this.swapNode;
return this.hasReplaceNodes = true;
}
/**
* Override this to have access to the script tag that gets converted to the new node inplace
* @param {Node} node Node of the original script tag
* @param {Node} swapNode Node of the new element that replaces the script tag inline
*/
linker(node, swapNode) {}
}