feat: add support for failOnError

src/options.ts

@@ -74,6 +74,7 @@ const NitroDefaults: NitroConfig = {
   prerender: {
     concurrency: 1,
     interval: 0,
+    failOnError: false,
     crawlLinks: false,
     ignore: [],
     routes: [],

src/prerender.ts

@@ -81,6 +81,7 @@
 
   // Start prerendering
   const generatedRoutes = new Set();
+  const erroredRoutes = new Set<PrerenderGenerateRoute>();
   const skippedRoutes = new Set();
   const displayedLengthWarns = new Set();
   const canPrerender = (route = "/") => {
@@ -171,6 +172,7 @@
       _route.error = new Error(`[${res.status}] ${res.statusText}`) as any;
       _route.error.statusCode = res.status;
       _route.error.statusMessage = res.statusText;
+      erroredRoutes.add(_route);
     }
 
     // Write to the file
@@ -252,6 +254,19 @@
     interval: nitro.options.prerender.interval,
   });
 
+  if (nitro.options.prerender.failOnError && erroredRoutes.size > 0) {
+    nitro.logger.log("\nErrors prerendering:");
+    for (const route of erroredRoutes) {
+      nitro.logger.log(
+        chalk[route.error.statusCode === 404 ? "yellow" : "red"](
+          `  ├─ ${route.route} (${route.error.statusCode})`
+        )
+      );
+    }
+    nitro.logger.log("");
+    throw new Error("Exiting due to prerender errors.");
+  }
+
   if (nitro.options.compressPublicAssets) {
     await compressPublicAssets(nitro);
   }

src/types/nitro.ts

@@ -235,6 +235,7 @@ export interface NitroOptions extends PresetOptions {
     concurrency: number;
     interval: number;
     crawlLinks: boolean;
+    failOnError: boolean;
     ignore: string[];
     routes: string[];
   };