@cf-wasm/og/dist/core/response.cjs

Generate Open Graph Images dynamically from HTML/CSS without a browser.

const require_render = require("./render.cjs");
const require_constants = require("./constants.cjs");
//#region src/core/response.ts
function renderAsResponse(input, options) {
	const isSvg = options?.format === "svg";
	const headers = new Headers(options?.headers);
	if (!headers.has("Cache-Control")) if (typeof process === "object" && process !== null && typeof process.env === "object" && process.env !== null && process.env.NODE_ENV === "development") headers.set("Cache-Control", "no-cache, no-store");
	else headers.set("Cache-Control", "public, immutable, no-transform, max-age=31536000");
	headers.set("Content-Type", isSvg ? "image/svg+xml" : "image/png");
	const init = {
		headers,
		status: options?.status,
		statusText: options?.statusText
	};
	if (options && typeof options === "object" && "cf" in options) Object.assign(init, { cf: options.cf });
	const body = async () => {
		const [element, renderOptions] = await input();
		const renderer = require_render.render(element, renderOptions);
		const { image } = isSvg ? await renderer.asSvg() : await renderer.asPng();
		return image;
	};
	const stream = () => {
		return new ReadableStream({ start(controller) {
			body().then((body) => {
				const bytes = typeof body === "string" ? require_constants.CONTAINER.encoder.encode(body) : body;
				controller.enqueue(bytes);
				controller.close();
			}).catch((e) => {
				controller.error(e);
			});
		} });
	};
	return {
		body,
		stream,
		init
	};
}
/** A class for rendering {@link ReactNode} to image as {@link Response} */
var ImageResponse = class extends Response {
	/**
	* Creates an instance of {@link ImageResponse}
	*
	* @param element The {@link ReactNode}
	* @param options The {@link ImageResponseOptions}
	*/
	constructor(element, options) {
		const { stream, init } = renderAsResponse(() => [element, options], options);
		super(stream(), init);
	}
	static async async(element, options) {
		const { body, init } = renderAsResponse(() => [element, options], options);
		return new Response(await body(), init);
	}
};
//#endregion
exports.ImageResponse = ImageResponse;
exports.renderAsResponse = renderAsResponse;

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