Add jdd_html helper function for rendering a page with one or more JDDs in it

src/back/jdd-html.tsx

@@ -0,0 +1,32 @@
+import { JDD, type RawJDDocument } from "@sealcode/jdd";
+import html from "./html.js";
+import { makeJDDContext } from "./jdd-context.js";
+import { registry } from "./jdd-components/registry.js";
+import { tempstream } from "tempstream";
+
+export type JDDHtmlArgs = Omit<Parameters<typeof html>["0"], "body"> & {
+	raw_jdds: RawJDDocument[];
+	construct_body: (built_jdd_html: JSX.Element) => JSX.Element;
+};
+
+export default async function jdd_html(args: JDDHtmlArgs) {
+	const jdd_context = makeJDDContext(args.ctx);
+	const jdds = await Promise.all(
+		args.raw_jdds.map((raw_jdd) => JDD.fromStorage(registry, jdd_context, raw_jdd))
+	);
+	const css_clumps = Array.from(
+		new Set([
+			...(args?.css_clumps || []),
+			...jdds.map((jdd) => jdd.getAllCSSClumps()).flat(),
+		]).values()
+	);
+	let built_jdd_html = tempstream``;
+	for (const jdd of jdds) {
+		built_jdd_html = tempstream`${built_jdd_html}${jdd.render()}`;
+	}
+	return html({
+		css_clumps,
+		...args,
+		body: args.construct_body(built_jdd_html),
+	});
+}