Function loader

app/routes/actions/getPreview.$url.ts:5–41

({ params })

import { getUriPreview } from "~/services/uriPreview.server";

export const loader: LoaderFunction = async ({ params }) => {
  try {
    invariant(params.url, "expected params.url");

    const decoded = decodeURIComponent(params.url);

    const earlyReturn = earlyRespondIfHomepagePreviewUri(decoded);

    if (earlyReturn) {
      return new Response(JSON.stringify(earlyReturn), {
        headers: {
          "Content-Type": "application/json; charset=utf-8",
          "Cache-Control": "public, max-age=3600",
        },
      });
    }

    const result = await getUriPreview(decoded);

    return new Response(JSON.stringify(result), {
      headers: {
        "Content-Type": "application/json; charset=utf-8",
        "Cache-Control": "public, max-age=3600",
      },
    });
  } catch {
    return new Response(
      JSON.stringify({ error: "Unable to preview this URL" }),
      {
        headers: {
          "Content-Type": "application/json; charset=utf-8",
          "Cache-Control": "public, max-age=3600",
        },
      }
    );
  }
};

function earlyRespondIfHomepagePreviewUri(uri: string) {
  if (uri === "https://www.theonion.com/") {