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