From f0ed25eeb8986866f9c1ad2356e71ee1d556f4b3 Mon Sep 17 00:00:00 2001
From: Andrew Jiang <andrewjiang@hey.com>
Date: Tue, 8 Oct 2024 14:38:17 -0400
Subject: [PATCH] =?UTF-8?q?Revert=20"fix:=20set=20the=20canonical=20url=20?=
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This reverts commit ef19e11d6c0abaab1160d63dd2e7fbfac9e2f1d7.
---
 packages/ui/docs-bundle/src/middleware.ts          | 14 +++-----------
 .../fern-docs-edge-config/src/getCanonicalHost.ts  |  7 -------
 packages/ui/fern-docs-edge-config/src/index.ts     |  1 -
 3 files changed, 3 insertions(+), 19 deletions(-)
 delete mode 100644 packages/ui/fern-docs-edge-config/src/getCanonicalHost.ts

diff --git a/packages/ui/docs-bundle/src/middleware.ts b/packages/ui/docs-bundle/src/middleware.ts
index a8c6738455..aacebab031 100644
--- a/packages/ui/docs-bundle/src/middleware.ts
+++ b/packages/ui/docs-bundle/src/middleware.ts
@@ -3,8 +3,8 @@ import { getPageRoute, getPageRouteMatch, getPageRoutePath } from "@/server/page
 import { rewritePosthog } from "@/server/rewritePosthog";
 import { getXFernHostEdge } from "@/server/xfernhost/edge";
 import type { FernUser } from "@fern-ui/fern-docs-auth";
-import { getAuthEdgeConfig, getCanonicalHost } from "@fern-ui/fern-docs-edge-config";
-import { COOKIE_FERN_TOKEN, HEADER_X_FERN_HOST } from "@fern-ui/fern-docs-utils";
+import { getAuthEdgeConfig } from "@fern-ui/fern-docs-edge-config";
+import { COOKIE_FERN_TOKEN } from "@fern-ui/fern-docs-utils";
 import { removeTrailingSlash } from "next/dist/shared/lib/router/utils/remove-trailing-slash";
 import { NextRequest, NextResponse, type NextMiddleware } from "next/server";
 import urlJoin from "url-join";
@@ -15,18 +15,10 @@ const API_FERN_DOCS_PATTERN = /^(?!\/api\/fern-docs\/).*(\/api\/fern-docs\/)/;
 const CHANGELOG_PATTERN = /\.(rss|atom)$/;
 
 export const middleware: NextMiddleware = async (request) => {
-    let xFernHost = getXFernHostEdge(request);
+    const xFernHost = getXFernHostEdge(request);
     const nextUrl = request.nextUrl.clone();
     const headers = new Headers(request.headers);
 
-    // for legacy docs customers that use subpath routing and don't set x-fern-host,
-    // we use edge config to determine the true canonical host
-    const canonicalHost = await getCanonicalHost(xFernHost);
-    if (canonicalHost !== xFernHost) {
-        xFernHost = canonicalHost;
-        headers.set(HEADER_X_FERN_HOST, xFernHost);
-    }
-
     /**
      * Do not rewrite 404 and 500 pages
      */
diff --git a/packages/ui/fern-docs-edge-config/src/getCanonicalHost.ts b/packages/ui/fern-docs-edge-config/src/getCanonicalHost.ts
deleted file mode 100644
index 9775d4b245..0000000000
--- a/packages/ui/fern-docs-edge-config/src/getCanonicalHost.ts
+++ /dev/null
@@ -1,7 +0,0 @@
-import { get } from "@vercel/edge-config";
-
-export async function getCanonicalHost(host: string): Promise<string> {
-    const config = await get<Record<string, string>>("canonical-host");
-    const canonicalHost = config?.[host];
-    return canonicalHost ?? host;
-}
diff --git a/packages/ui/fern-docs-edge-config/src/index.ts b/packages/ui/fern-docs-edge-config/src/index.ts
index d094934f4b..8e281180a4 100644
--- a/packages/ui/fern-docs-edge-config/src/index.ts
+++ b/packages/ui/fern-docs-edge-config/src/index.ts
@@ -1,5 +1,4 @@
 export * from "./getAuthEdgeConfig";
-export * from "./getCanonicalHost";
 export * from "./getCustomerAnalytics";
 export * from "./getFeatureFlags";
 export * from "./getInkeepSettings";