Function save

packages/kit/src/core/postbuild/prerender.js:356–453

* @param {'pages' | 'dependencies' | 'data'} category * @param {Response} response * @param {string | Uint8Array} body * @param {string} decoded * @param {string} encoded * @param {string | null} referrer * @param {'linked' | 'fetched'} referenceType

(category, response, body, decoded, encoded, referrer, referenceType)

	 * @param {'linked' | 'fetched'} referenceType
	 */
	function save(category, response, body, decoded, encoded, referrer, referenceType) {
		const response_type = Math.floor(response.status / 100);
		const headers = Object.fromEntries(response.headers);

		const type = headers['content-type'];
		const is_html = response_type === REDIRECT || type === 'text/html';

		const file = output_filename(decoded, is_html);
		const dest = `${config.outDir}/output/prerendered/${category}/${file}`;

		if (written.has(file)) return;

		const encoded_route_id = response.headers.get('x-sveltekit-routeid');
		const route_id = encoded_route_id != null ? decode_uri(encoded_route_id) : null;
		if (route_id !== null) prerendered_routes.add(route_id);

		if (response_type === REDIRECT) {
			const location = headers['location'];

			if (location) {
				const resolved = resolve(encoded, location);
				if (is_root_relative(resolved)) {
					void enqueue(decoded, decode_uri(resolved), resolved);
				}

				if (!headers['x-sveltekit-normalize']) {
					mkdirp(dirname(dest));

					log.warn(`${response.status} ${decoded} -> ${location}`);

					writeFileSync(
						dest,
						`<script>location.href=${devalue.uneval(
							location
						)};</script><meta http-equiv="refresh" content="${escape_html(
							`0;url=${location}`,
							true
						)}">`
					);

					written.add(file);

					if (!prerendered.redirects.has(decoded)) {
						prerendered.redirects.set(decoded, {
							status: response.status,
							location: resolved
						});

						prerendered.paths.push(decoded);
					}
				}
			} else {
				log.warn(`location header missing on redirect received from ${decoded}`);
			}

			return;
		}