1 files changed, 166 insertions, 0 deletions
diff --git a/packages/webapi/src/lib/Node.ts b/packages/webapi/src/lib/Node.ts
new file mode 100644
index 000000000..c2f621950
--- /dev/null
+++ b/packages/webapi/src/lib/Node.ts
@@ -0,0 +1,166 @@
+import * as _ from './utils'
+
+export class Node extends EventTarget {
+	append(...nodesOrDOMStrings: NodeOrString[]): void {
+		void nodesOrDOMStrings
+	}
+
+	appendChild(childNode: Node): Node {
+		return childNode
+	}
+
+	after(...nodesOrDOMStrings: NodeOrString[]): void {
+		void nodesOrDOMStrings
+	}
+
+	before(...nodesOrDOMStrings: NodeOrString[]): void {
+		void nodesOrDOMStrings
+	}
+
+	prepend(...nodesOrDOMStrings: NodeOrString[]): void {
+		void nodesOrDOMStrings
+	}
+
+	replaceChild(newChild: Node, oldChild: Node): Node {
+		void newChild
+
+		return oldChild
+	}
+
+	removeChild(childNode: Node): Node {
+		return childNode
+	}
+
+	get attributes(): object {
+		return {}
+	}
+
+	get childNodes(): Node[] {
+		return []
+	}
+
+	get children(): Element[] {
+		return []
+	}
+
+	get ownerDocument(): Node | null {
+		return null
+	}
+
+	get nodeValue(): string {
+		return ''
+	}
+
+	set nodeValue(value: string) {
+		void value
+	}
+
+	get textContent(): string {
+		return ''
+	}
+
+	set textContent(value: string) {
+		void value
+	}
+
+	get previousElementSibling(): Node | null {
+		return null
+	}
+
+	get nextElementSibling(): Node | null {
+		return null
+	}
+
+	[Symbol.for('nodejs.util.inspect.custom')](depth: number, options: Record<string, any>) {
+		return `${this.constructor.name}`;
+	}
+}
+
+export class DocumentFragment extends Node {}
+
+export class ShadowRoot extends DocumentFragment {
+	get innerHTML() {
+		return ''
+	}
+
+	set innerHTML(value: string) {
+		void value
+	}
+}
+
+export const NodeFilter = Object.assign({
+	NodeFilter() {
+		throw new TypeError('Illegal constructor')
+	}
+}.NodeFilter, {
+	FILTER_ACCEPT: 1,
+	FILTER_REJECT: 2,
+	FILTER_SKIP: 3,
+	SHOW_ALL: 4294967295,
+	SHOW_ELEMENT: 1,
+	SHOW_ATTRIBUTE: 2,
+	SHOW_TEXT: 4,
+	SHOW_CDATA_SECTION: 8,
+	SHOW_ENTITY_REFERENCE: 16,
+	SHOW_ENTITY: 32,
+	SHOW_PROCESSING_INSTRUCTION: 64,
+	SHOW_COMMENT: 128,
+	SHOW_DOCUMENT: 256,
+	SHOW_DOCUMENT_TYPE: 512,
+	SHOW_DOCUMENT_FRAGMENT: 1024,
+	SHOW_NOTATION: 2048,
+})
+
+export class NodeIterator {
+	nextNode(): Node | null {
+		return null
+	}
+
+	previousNode(): Node | null {
+		return null
+	}
+
+	get filter(): NodeFilter {
+		const internals = _.internalsOf<NodeIteratorInternals>(this, 'NodeIterator', 'filter')
+		return internals.filter
+	}
+
+	get pointerBeforeReferenceNode(): boolean {
+		const internals = _.internalsOf<NodeIteratorInternals>(this, 'NodeIterator', 'pointerBeforeReferenceNode')
+		return internals.pointerBeforeReferenceNode
+	}
+
+	get referenceNode(): Node {
+		const internals = _.internalsOf<NodeIteratorInternals>(this, 'NodeIterator', 'referenceNode')
+		return internals.referenceNode
+	}
+
+	get root(): Node {
+		const internals = _.internalsOf<NodeIteratorInternals>(this, 'NodeIterator', 'root')
+		return internals.root
+	}
+
+	get whatToShow(): number {
+		const internals = _.internalsOf<NodeIteratorInternals>(this, 'NodeIterator', 'whatToShow')
+		return internals.whatToShow
+	}
+}
+
+_.allowStringTag(Node)
+_.allowStringTag(NodeIterator)
+_.allowStringTag(DocumentFragment)
+_.allowStringTag(ShadowRoot)
+
+type NodeOrString = string | Node
+
+export interface NodeFilter {
+	acceptNode(node: Node): number
+}
+
+export interface NodeIteratorInternals {
+	filter: NodeFilter
+	pointerBeforeReferenceNode: boolean
+	referenceNode: Node
+	root: Node
+	whatToShow: number
+}