Make CDA local vite proxy catch any cda endpoint and ensure if a FQDN is included in the path that only the pathname root is set for the regex in the proxy

Author: krowvin

cda-gui/vite.config.js

@@ -1,38 +1,49 @@
 import { defineConfig, loadEnv } from "vite";
 import react from "@vitejs/plugin-react";
 
+const normalizePath = (value, fallback = "/cwms-data") => {
+  /* Returns a normalized path segment from a URL or path string. */
+
+  const candidate = value || fallback;
+  let pathname = candidate;
+
+  try {
+    pathname = new URL(candidate).pathname;
+  } catch {
+    // Use as-is when candidate is already a path segment.
+  }
+  // remove trailing slashes and ensure leading slash
+  if (!pathname.startsWith("/")) pathname = `/${pathname}`;
+  return pathname.replace(/\/+$/, "") || "/";
+};
+
 // https://vitejs.dev/config/
 export default defineConfig(({ mode }) => {
   const env = loadEnv(mode, ".", "");
   const BASE_PATH = env.VITE_BASE_PATH || "/cwms-data";
-  const CDA_PATH = env.VITE_CDA_URL || BASE_PATH;
+  const CDA_PATH = normalizePath(env.VITE_CDA_URL, BASE_PATH);
   const proxyTarget = env.VITE_CDA_PROXY_TARGET || "https://cwms-data.usace.army.mil";
 
   return {
     base: BASE_PATH,
     plugins: [react()],
     server: {
       proxy: {
-        [`^${CDA_PATH}/timeseries/.*`]: {
-          target: proxyTarget,
-          changeOrigin: true,
-          secure: false,
-        },
-        [`^${CDA_PATH}/catalog/.*`]: {
+        [`^${CDA_PATH}/.*`]: {
           target: proxyTarget,
           changeOrigin: true,
           secure: false,
         },
       },
-    },
-    experimental: {
-      renderBuiltUrl(filename, { hostType }) {
-        if (hostType === "js" || hostType === "css") {
-          return { runtime: `window.__toCdnUrl(${JSON.stringify(filename)})` };
-        } else {
-          return { relative: true };
-        }
-      },
-    },
-  };
-});
+    },
+    experimental: {
+      renderBuiltUrl(filename, { hostType }) {
+        if (hostType === "js" || hostType === "css") {
+          return { runtime: `window.__toCdnUrl(${JSON.stringify(filename)})` };
+        } else {
+          return { relative: true };
+        }
+      },
+    },
+  };
+});