Add error for missing parmeters

Author: K0IN

endpoints/min-browser-version-for-feature.ts

@@ -9,10 +9,8 @@ export function minBrowserVersion(context: Context) {
 
     const { features, filter } = context.req.queries();
     if (!features || features.length === 0) {
-        return context.body(
-            "Feature parameter is required. Please provide at least one feature to check. Example: ?features=AbortController",
-            400,
-            { "Content-Type": "text/plain" },
+        throw new Error(
+            "No features provided. Please provide at least one feature to check the minimum browser version.",
         );
     }
 

main.ts

@@ -36,10 +36,30 @@ app.onError((err, c) => {
     );
 });
 
+app.notFound((c) => {
+    return c.body(
+        RenderError({
+            error:
+                "The requested resource was not found. use /min-browser-version to get a badge for a specific feature.",
+        }),
+        404,
+        { "Content-Type": "image/svg+xml" },
+    );
+});
+
 app.get("/all-features", listAllFeatures);
 app.get("/min-browser-version", minBrowserVersion);
 app.get("/", (c) => {
-    return c.text("Welcome to the Can I Use Embed API. Use /all-features to get a list of all features.");
+    return c.text(
+        `Welcome to the Can I Use Embed API.
+Use /all-features to get a list of all features.
+Use /min-browser-version?features=FEATURE_NAME&filter=FILTER_NAME to get the minimum browser version for a specific feature.
+Example: /min-browser-version?features=api:navigator:serviceworker&filter=chrome
+
+for documentation visit: https://github.com/K0IN/can-i-use-embed`,
+        200,
+        { "Content-Type": "text/plain" },
+    );
 });
 
 Deno.serve({

rendering/test-renders.tsx

@@ -40,7 +40,6 @@ if (import.meta.main) {
     {
         const svgString = RenderError({
             error: "Loading the data failed and now im  here thanks test 123.",
-            tooltip: "This is a tooltip",
         });
         await Deno.writeFile(
             path.join(import.meta.dirname ?? "", "RenderError.svg"),