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import type { Element, Node } from "../dom.ts";
import type {
JSXNode,
JSXNullableSimpleNode,
JSXSimpleNode,
RenderableJSXNode,
} from "myjsx/jsx-runtime";
function transformNode(node: JSXNode): Promise<Node[]> {
const flattenNodes: JSXNullableSimpleNode[] = Array.isArray(node)
// @ts-ignore prevents infinite recursion
? (node.flat(Infinity) as JSXNullableSimpleNode[])
: [node];
return Promise.all(
flattenNodes
.filter((c): c is JSXSimpleNode => c != null && c !== false)
.map((c) => {
if (typeof c === "string") {
return { kind: "text", content: c, raw: false };
} else if ("kind" in c) {
return c;
} else {
return renderToDOM(c);
}
}),
);
}
export async function renderToDOM(
element: RenderableJSXNode,
): Promise<Element> {
const { tag, props } = element;
if (typeof tag === "string") {
const { children, ...attrs } = props;
const attrsMap = new Map(Object.entries(attrs)) as Map<string, string>;
return {
kind: "element",
name: tag,
attributes: attrsMap,
children: await transformNode(children),
};
} else {
return renderToDOM(await tag(props));
}
}
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