From 57315c52be96d2a2c013f0cfb0de5429980e301a Mon Sep 17 00:00:00 2001
From: nsfisis <nsfisis@gmail.com>
Date: Sun, 2 Nov 2025 17:49:34 +0900
Subject: refactor(blog): rename directory, services/{blog => nuldoc}/

---
 services/nuldoc/nuldoc-src/jsx/render.ts | 41 ++++++++++++++++++++++++++++++++
 1 file changed, 41 insertions(+)
 create mode 100644 services/nuldoc/nuldoc-src/jsx/render.ts

(limited to 'services/nuldoc/nuldoc-src/jsx/render.ts')

diff --git a/services/nuldoc/nuldoc-src/jsx/render.ts b/services/nuldoc/nuldoc-src/jsx/render.ts
new file mode 100644
index 0000000..a72d9ad
--- /dev/null
+++ b/services/nuldoc/nuldoc-src/jsx/render.ts
@@ -0,0 +1,41 @@
+import type { Element, Node } from "../dom.ts";
+import { elem, text } 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 text(c);
+        } 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 = attrs as Record<string, string>;
+    return elem(tag, attrsMap, ...(await transformNode(children)));
+  } else {
+    return renderToDOM(await tag(props));
+  }
+}
-- 
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