astro
Version:
Astro is a modern site builder with web best practices, performance, and DX front-of-mind.
59 lines (58 loc) • 2.18 kB
JavaScript
import {
appendForwardSlash,
joinPaths,
prependForwardSlash,
removeTrailingForwardSlash,
stripRequestBase
} from "@astrojs/internal-helpers/path";
import { normalizeTheLocale } from "../../i18n/path.js";
function computePathnameFromDomain(request, url, i18n, base, trailingSlash, logger, pathnameFromRequest) {
let pathname = void 0;
if (i18n && (i18n.strategy === "domains-prefix-always" || i18n.strategy === "domains-prefix-other-locales" || i18n.strategy === "domains-prefix-always-no-redirect")) {
let host = request.headers.get("X-Forwarded-Host");
let protocol = request.headers.get("X-Forwarded-Proto");
if (protocol) {
protocol = protocol + ":";
} else {
protocol = url.protocol;
}
if (!host) {
host = request.headers.get("Host");
}
if (host && protocol) {
host = host.split(":")[0];
try {
let locale;
const hostAsUrl = new URL(`${protocol}//${host}`);
for (const [domainKey, localeValue] of Object.entries(i18n.domainLookupTable)) {
const domainKeyAsUrl = new URL(domainKey);
if (hostAsUrl.host === domainKeyAsUrl.host && hostAsUrl.protocol === domainKeyAsUrl.protocol) {
locale = localeValue;
break;
}
}
if (locale) {
const requestPathname = pathnameFromRequest ?? stripRequestBase(url.pathname, base);
pathname = prependForwardSlash(joinPaths(normalizeTheLocale(locale), requestPathname));
if (trailingSlash === "always") {
pathname = appendForwardSlash(pathname);
} else if (trailingSlash === "never") {
pathname = removeTrailingForwardSlash(pathname);
} else if (url.pathname.endsWith("/")) {
pathname = appendForwardSlash(pathname);
}
}
} catch (e) {
logger.error(
"router",
`Astro tried to parse ${protocol}//${host} as an URL, but it threw a parsing error. Check the X-Forwarded-Host and X-Forwarded-Proto headers.`
);
logger.error("router", `Error: ${e}`);
}
}
}
return pathname;
}
export {
computePathnameFromDomain
};