数通智联化工云平台
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import { addNS } from "./h";
import { vnode, VNode } from "./vnode";
import { htmlDomApi, DOMAPI } from "./htmldomapi";
export function toVNode(node: Node, domApi?: DOMAPI): VNode {
const api: DOMAPI = domApi !== undefined ? domApi : htmlDomApi;
let text: string;
if (api.isElement(node)) {
const id = node.id ? "#" + node.id : "";
const cn = node.getAttribute("class");
const c = cn ? "." + cn.split(" ").join(".") : "";
const sel = api.tagName(node).toLowerCase() + id + c;
const attrs: any = {};
const dataset: Record<string, string> = {};
const data: Record<string, any> = {};
const children: VNode[] = [];
let name: string;
let i: number, n: number;
const elmAttrs = node.attributes;
const elmChildren = node.childNodes;
for (i = 0, n = elmAttrs.length; i < n; i++) {
name = elmAttrs[i].nodeName;
if (
name[0] === "d" &&
name[1] === "a" &&
name[2] === "t" &&
name[3] === "a" &&
name[4] === "-"
) {
dataset[name.slice(5)] = elmAttrs[i].nodeValue || "";
} else if (name !== "id" && name !== "class") {
attrs[name] = elmAttrs[i].nodeValue;
}
}
for (i = 0, n = elmChildren.length; i < n; i++) {
children.push(toVNode(elmChildren[i], domApi));
}
if (Object.keys(attrs).length > 0) data.attrs = attrs;
if (Object.keys(dataset).length > 0) data.dataset = dataset;
if (
sel[0] === "s" &&
sel[1] === "v" &&
sel[2] === "g" &&
(sel.length === 3 || sel[3] === "." || sel[3] === "#")
) {
addNS(data, children, sel);
}
return vnode(sel, data, children, undefined, node);
} else if (api.isText(node)) {
text = api.getTextContent(node) as string;
return vnode(undefined, undefined, undefined, text, node);
} else if (api.isComment(node)) {
text = api.getTextContent(node) as string;
return vnode("!", {}, [], text, node as any);
} else {
return vnode("", {}, [], undefined, node as any);
}
}