import { ElementType, isTag as isTag$1 } from "../../../domelementtype/lib/esm/index.js";
//#region node_modules/domhandler/lib/esm/node.js
/**
* This object will be used as the prototype for Nodes when creating a
* DOM-Level-1-compliant structure.
*/
var Node = class {
	constructor() {
		/** Parent of the node */
		this.parent = null;
		/** Previous sibling */
		this.prev = null;
		/** Next sibling */
		this.next = null;
		/** The start index of the node. Requires `withStartIndices` on the handler to be `true. */
		this.startIndex = null;
		/** The end index of the node. Requires `withEndIndices` on the handler to be `true. */
		this.endIndex = null;
	}
	/**
	* Same as {@link parent}.
	* [DOM spec](https://dom.spec.whatwg.org)-compatible alias.
	*/
	get parentNode() {
		return this.parent;
	}
	set parentNode(parent) {
		this.parent = parent;
	}
	/**
	* Same as {@link prev}.
	* [DOM spec](https://dom.spec.whatwg.org)-compatible alias.
	*/
	get previousSibling() {
		return this.prev;
	}
	set previousSibling(prev) {
		this.prev = prev;
	}
	/**
	* Same as {@link next}.
	* [DOM spec](https://dom.spec.whatwg.org)-compatible alias.
	*/
	get nextSibling() {
		return this.next;
	}
	set nextSibling(next) {
		this.next = next;
	}
	/**
	* Clone this node, and optionally its children.
	*
	* @param recursive Clone child nodes as well.
	* @returns A clone of the node.
	*/
	cloneNode(recursive = false) {
		return cloneNode(this, recursive);
	}
};
/**
* A node that contains some data.
*/
var DataNode = class extends Node {
	/**
	* @param data The content of the data node
	*/
	constructor(data) {
		super();
		this.data = data;
	}
	/**
	* Same as {@link data}.
	* [DOM spec](https://dom.spec.whatwg.org)-compatible alias.
	*/
	get nodeValue() {
		return this.data;
	}
	set nodeValue(data) {
		this.data = data;
	}
};
/**
* Text within the document.
*/
var Text = class extends DataNode {
	constructor() {
		super(...arguments);
		this.type = ElementType.Text;
	}
	get nodeType() {
		return 3;
	}
};
/**
* Comments within the document.
*/
var Comment = class extends DataNode {
	constructor() {
		super(...arguments);
		this.type = ElementType.Comment;
	}
	get nodeType() {
		return 8;
	}
};
/**
* Processing instructions, including doc types.
*/
var ProcessingInstruction = class extends DataNode {
	constructor(name, data) {
		super(data);
		this.name = name;
		this.type = ElementType.Directive;
	}
	get nodeType() {
		return 1;
	}
};
/**
* A `Node` that can have children.
*/
var NodeWithChildren = class extends Node {
	/**
	* @param children Children of the node. Only certain node types can have children.
	*/
	constructor(children) {
		super();
		this.children = children;
	}
	/** First child of the node. */
	get firstChild() {
		var _a;
		return (_a = this.children[0]) !== null && _a !== void 0 ? _a : null;
	}
	/** Last child of the node. */
	get lastChild() {
		return this.children.length > 0 ? this.children[this.children.length - 1] : null;
	}
	/**
	* Same as {@link children}.
	* [DOM spec](https://dom.spec.whatwg.org)-compatible alias.
	*/
	get childNodes() {
		return this.children;
	}
	set childNodes(children) {
		this.children = children;
	}
};
var CDATA = class extends NodeWithChildren {
	constructor() {
		super(...arguments);
		this.type = ElementType.CDATA;
	}
	get nodeType() {
		return 4;
	}
};
/**
* The root node of the document.
*/
var Document = class extends NodeWithChildren {
	constructor() {
		super(...arguments);
		this.type = ElementType.Root;
	}
	get nodeType() {
		return 9;
	}
};
/**
* An element within the DOM.
*/
var Element = class extends NodeWithChildren {
	/**
	* @param name Name of the tag, eg. `div`, `span`.
	* @param attribs Object mapping attribute names to attribute values.
	* @param children Children of the node.
	*/
	constructor(name, attribs, children = [], type = name === "script" ? ElementType.Script : name === "style" ? ElementType.Style : ElementType.Tag) {
		super(children);
		this.name = name;
		this.attribs = attribs;
		this.type = type;
	}
	get nodeType() {
		return 1;
	}
	/**
	* Same as {@link name}.
	* [DOM spec](https://dom.spec.whatwg.org)-compatible alias.
	*/
	get tagName() {
		return this.name;
	}
	set tagName(name) {
		this.name = name;
	}
	get attributes() {
		return Object.keys(this.attribs).map((name) => {
			var _a, _b;
			return {
				name,
				value: this.attribs[name],
				namespace: (_a = this["x-attribsNamespace"]) === null || _a === void 0 ? void 0 : _a[name],
				prefix: (_b = this["x-attribsPrefix"]) === null || _b === void 0 ? void 0 : _b[name]
			};
		});
	}
};
/**
* @param node Node to check.
* @returns `true` if the node is a `Element`, `false` otherwise.
*/
function isTag(node) {
	return isTag$1(node);
}
/**
* @param node Node to check.
* @returns `true` if the node has the type `CDATA`, `false` otherwise.
*/
function isCDATA(node) {
	return node.type === ElementType.CDATA;
}
/**
* @param node Node to check.
* @returns `true` if the node has the type `Text`, `false` otherwise.
*/
function isText(node) {
	return node.type === ElementType.Text;
}
/**
* @param node Node to check.
* @returns `true` if the node has the type `Comment`, `false` otherwise.
*/
function isComment(node) {
	return node.type === ElementType.Comment;
}
/**
* @param node Node to check.
* @returns `true` if the node has the type `ProcessingInstruction`, `false` otherwise.
*/
function isDirective(node) {
	return node.type === ElementType.Directive;
}
/**
* @param node Node to check.
* @returns `true` if the node has the type `ProcessingInstruction`, `false` otherwise.
*/
function isDocument(node) {
	return node.type === ElementType.Root;
}
/**
* @param node Node to check.
* @returns `true` if the node has children, `false` otherwise.
*/
function hasChildren(node) {
	return Object.prototype.hasOwnProperty.call(node, "children");
}
/**
* Clone a node, and optionally its children.
*
* @param recursive Clone child nodes as well.
* @returns A clone of the node.
*/
function cloneNode(node, recursive = false) {
	let result;
	if (isText(node)) result = new Text(node.data);
	else if (isComment(node)) result = new Comment(node.data);
	else if (isTag(node)) {
		const children = recursive ? cloneChildren(node.children) : [];
		const clone = new Element(node.name, { ...node.attribs }, children);
		children.forEach((child) => child.parent = clone);
		if (node.namespace != null) clone.namespace = node.namespace;
		if (node["x-attribsNamespace"]) clone["x-attribsNamespace"] = { ...node["x-attribsNamespace"] };
		if (node["x-attribsPrefix"]) clone["x-attribsPrefix"] = { ...node["x-attribsPrefix"] };
		result = clone;
	} else if (isCDATA(node)) {
		const children = recursive ? cloneChildren(node.children) : [];
		const clone = new CDATA(children);
		children.forEach((child) => child.parent = clone);
		result = clone;
	} else if (isDocument(node)) {
		const children = recursive ? cloneChildren(node.children) : [];
		const clone = new Document(children);
		children.forEach((child) => child.parent = clone);
		if (node["x-mode"]) clone["x-mode"] = node["x-mode"];
		result = clone;
	} else if (isDirective(node)) {
		const instruction = new ProcessingInstruction(node.name, node.data);
		if (node["x-name"] != null) {
			instruction["x-name"] = node["x-name"];
			instruction["x-publicId"] = node["x-publicId"];
			instruction["x-systemId"] = node["x-systemId"];
		}
		result = instruction;
	} else throw new Error(`Not implemented yet: ${node.type}`);
	result.startIndex = node.startIndex;
	result.endIndex = node.endIndex;
	if (node.sourceCodeLocation != null) result.sourceCodeLocation = node.sourceCodeLocation;
	return result;
}
function cloneChildren(childs) {
	const children = childs.map((child) => cloneNode(child, true));
	for (let i = 1; i < children.length; i++) {
		children[i].prev = children[i - 1];
		children[i - 1].next = children[i];
	}
	return children;
}
//#endregion
export { CDATA, Comment, DataNode, Document, Element, Node, NodeWithChildren, ProcessingInstruction, Text, cloneNode, hasChildren, isCDATA, isComment, isDirective, isDocument, isTag, isText };
