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plane-src/apps/space/app/compat/next/helper.ts

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+/**
+ * Copyright (c) 2023-present Plane Software, Inc. and contributors
+ * SPDX-License-Identifier: AGPL-3.0-only
+ * See the LICENSE file for details.
+ */
+
+/**
+ * Ensures that a URL has a trailing slash while preserving query parameters and fragments
+ * @param url - The URL to process
+ * @returns The URL with a trailing slash added to the pathname (if not already present)
+ */
+export function ensureTrailingSlash(url: string): string {
+  try {
+    const fallbackBaseUrl =
+      typeof window !== "undefined" && window.location.origin ? window.location.origin : "http://dummy.com";
+    // Handle relative URLs by creating a URL object with a fallback base URL
+    const urlObj = new URL(url, fallbackBaseUrl);
+
+    // Don't modify root path
+    if (urlObj.pathname === "/") {
+      return url;
+    }
+
+    // Add trailing slash if it doesn't exist
+    if (!urlObj.pathname.endsWith("/")) {
+      urlObj.pathname += "/";
+    }
+
+    // For relative URLs, return just the path + search + hash
+    if (url.startsWith("/")) {
+      return urlObj.pathname + urlObj.search + urlObj.hash;
+    }
+
+    // For absolute URLs, return the full URL
+    return urlObj.toString();
+  } catch (error) {
+    // If URL parsing fails, return the original URL
+    console.warn("Failed to parse URL for trailing slash enforcement:", url, error);
+    return url;
+  }
+}