securityos/node_modules/next/dist/esm/lib/metadata/get-metadata-route.js

72 lines
2.9 KiB
JavaScript

import { isMetadataRoute, isStaticMetadataRoute } from "./is-metadata-route";
import path from "../../shared/lib/isomorphic/path";
import { interpolateDynamicPath } from "../../server/server-utils";
import { getNamedRouteRegex } from "../../shared/lib/router/utils/route-regex";
import { djb2Hash } from "../../shared/lib/hash";
import { normalizeAppPath } from "../../shared/lib/router/utils/app-paths";
import { normalizePathSep } from "../../shared/lib/page-path/normalize-path-sep";
/*
* If there's special convention like (...) or @ in the page path,
* Give it a unique hash suffix to avoid conflicts
*
* e.g.
* /app/open-graph.tsx -> /open-graph/route
* /app/(post)/open-graph.tsx -> /open-graph/route-[0-9a-z]{6}
*/ function getMetadataRouteSuffix(page) {
let suffix = "";
if (page.includes("(") && page.includes(")") || page.includes("@")) {
suffix = djb2Hash(page).toString(36).slice(0, 6);
}
return suffix;
}
/**
* Fill the dynamic segment in the metadata route
*
* Example:
* fillMetadataSegment('/a/[slug]', { params: { slug: 'b' } }, 'open-graph') -> '/a/b/open-graph'
*
*/ export function fillMetadataSegment(segment, params, imageSegment) {
const pathname = normalizeAppPath(segment);
const routeRegex = getNamedRouteRegex(pathname, false);
const route = interpolateDynamicPath(pathname, params, routeRegex);
const suffix = getMetadataRouteSuffix(segment);
const routeSuffix = suffix ? `-${suffix}` : "";
const { name, ext } = path.parse(imageSegment);
return normalizePathSep(path.join(route, `${name}${routeSuffix}${ext}`));
}
/**
* Map metadata page key to the corresponding route
*
* static file page key: /app/robots.txt -> /robots.xml -> /robots.txt/route
* dynamic route page key: /app/robots.tsx -> /robots -> /robots.txt/route
*
* @param page
* @returns
*/ export function normalizeMetadataRoute(page) {
if (!isMetadataRoute(page)) {
return page;
}
let route = page;
let suffix = "";
if (page === "/robots") {
route += ".txt";
} else if (page === "/manifest") {
route += ".webmanifest";
} else if (page.endsWith("/sitemap")) {
route += ".xml";
} else {
// Remove the file extension, e.g. /route-path/robots.txt -> /route-path
const pathnamePrefix = page.slice(0, -(path.basename(page).length + 1));
suffix = getMetadataRouteSuffix(pathnamePrefix);
}
// Support both /<metadata-route.ext> and custom routes /<metadata-route>/route.ts.
// If it's a metadata file route, we need to append /[id]/route to the page.
if (!route.endsWith("/route")) {
const { dir, name: baseName, ext } = path.parse(route);
const isStaticRoute = isStaticMetadataRoute(page);
route = path.posix.join(dir, `${baseName}${suffix ? `-${suffix}` : ""}${ext}`, isStaticRoute ? "" : "[[...__metadata_id__]]", "route");
}
return route;
}
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