astro/packages/integrations/react/vnode-children.js

35 lines
1.1 KiB
JavaScript

import { parse, walkSync, DOCUMENT_NODE, ELEMENT_NODE, TEXT_NODE } from 'ultrahtml';
import { createElement, Fragment } from 'react';
let ids = 0;
export default function convert(children) {
const nodeMap = new WeakMap();
let doc = parse(children.toString().trim());
let id = ids++;
let key = 0;
let root = createElement(Fragment, { children: [] });
walkSync(doc, (node, parent, index) => {
let newNode = {};
if (node.type === DOCUMENT_NODE) {
nodeMap.set(node, root);
} else if (node.type === ELEMENT_NODE) {
const { class: className, ...props } = node.attributes;
// NOTE: do not manually pass `children`, React handles this internally
newNode = createElement(node.name, { ...props, className, key: `${id}-${key++}` });
nodeMap.set(node, newNode);
if (parent) {
const newParent = nodeMap.get(parent);
newParent.props.children[index] = newNode;
}
} else if (node.type === TEXT_NODE) {
newNode = node.value;
if (newNode.trim() && parent) {
const newParent = nodeMap.get(parent);
newParent.props.children[index] = newNode;
}
}
});
return root.props.children;
}