move snabbdom into libs/

libs/snabbdom/src/htmldomapi.ts

@@ -0,0 +1,97 @@
+export interface DOMAPI {
+  createElement: (tagName: any) => HTMLElement;
+  createElementNS: (namespaceURI: string, qualifiedName: string) => Element;
+  createTextNode: (text: string) => Text;
+  createComment: (text: string) => Comment;
+  insertBefore: (parentNode: Node, newNode: Node, referenceNode: Node | null) => void;
+  removeChild: (node: Node, child: Node) => void;
+  appendChild: (node: Node, child: Node) => void;
+  parentNode: (node: Node) => Node;
+  nextSibling: (node: Node) => Node;
+  tagName: (elm: Element) => string;
+  setTextContent: (node: Node, text: string | null) => void;
+  getTextContent: (node: Node) => string | null;
+  isElement: (node: Node) => node is Element;
+  isText: (node: Node) => node is Text;
+  isComment: (node: Node) => node is Comment;
+}
+
+function createElement(tagName: any): HTMLElement {
+  return document.createElement(tagName);
+}
+
+function createElementNS(namespaceURI: string, qualifiedName: string): Element {
+  return document.createElementNS(namespaceURI, qualifiedName);
+}
+
+function createTextNode(text: string): Text {
+  return document.createTextNode(text);
+}
+
+function createComment(text: string): Comment {
+  return document.createComment(text);
+}
+
+function insertBefore(parentNode: Node, newNode: Node, referenceNode: Node | null): void {
+  parentNode.insertBefore(newNode, referenceNode);
+}
+
+function removeChild(node: Node, child: Node): void {
+  node.removeChild(child);
+}
+
+function appendChild(node: Node, child: Node): void {
+  node.appendChild(child);
+}
+
+function parentNode(node: Node): Node | null {
+  return node.parentNode;
+}
+
+function nextSibling(node: Node): Node | null {
+  return node.nextSibling;
+}
+
+function tagName(elm: Element): string {
+  return elm.tagName;
+}
+
+function setTextContent(node: Node, text: string | null): void {
+  node.textContent = text;
+}
+
+function getTextContent(node: Node): string | null {
+  return node.textContent;
+}
+
+function isElement(node: Node): node is Element {
+  return node.nodeType === 1;
+}
+
+function isText(node: Node): node is Text {
+  return node.nodeType === 3;
+}
+
+function isComment(node: Node): node is Comment {
+  return node.nodeType === 8;
+}
+
+export const htmlDomApi = {
+  createElement,
+  createElementNS,
+  createTextNode,
+  createComment,
+  insertBefore,
+  removeChild,
+  appendChild,
+  parentNode,
+  nextSibling,
+  tagName,
+  setTextContent,
+  getTextContent,
+  isElement,
+  isText,
+  isComment,
+} as DOMAPI;
+
+export default htmlDomApi;