//#region src/server/rsc-stream-hints.ts
const REACT_FLIGHT_STYLESHEET_PRELOAD_HINT = /(\d*:HL\[.*?),"stylesheet"(\]|,)/g;
/**
* React Flight emits HL hints with "stylesheet" for CSS preloads, but the
* HTML spec requires "style" for <link rel="preload">. Rewrite each complete
* Flight line so SSR embeds, navigation, and server actions see valid hints.
*/
function normalizeReactFlightHintLine(line) {
	return line.replace(REACT_FLIGHT_STYLESHEET_PRELOAD_HINT, "$1,\"style\"$2");
}
function normalizeReactFlightPreloadHints(stream) {
	const decoder = new TextDecoder();
	const encoder = new TextEncoder();
	let carry = "";
	return stream.pipeThrough(new TransformStream({
		transform(chunk, controller) {
			const text = carry + decoder.decode(chunk, { stream: true });
			const lastNewline = text.lastIndexOf("\n");
			if (lastNewline === -1) {
				carry = text;
				return;
			}
			carry = text.slice(lastNewline + 1);
			controller.enqueue(encoder.encode(normalizeReactFlightHintLine(text.slice(0, lastNewline + 1))));
		},
		flush(controller) {
			const text = carry + decoder.decode();
			if (text) controller.enqueue(encoder.encode(normalizeReactFlightHintLine(text)));
		}
	}));
}
function createRscRenderer(render) {
	return (model, options) => normalizeReactFlightPreloadHints(render(model, options));
}
//#endregion
export { createRscRenderer, normalizeReactFlightPreloadHints };

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