fix: fail if no features were found

1 files changed, 6 insertions, 3 deletions

diff --git a/build.go b/build.go
index b1a525e..c15c8e2 100644
--- a/build.go
+++ b/build.go
@@ -83,12 +83,10 @@ func main() {
 	versions := make([]Version, 0)
 	sortedVersions := slices.SortedFunc(maps.Keys(versionInfos), compareVersion)
 	slices.Reverse(sortedVersions)
+	featureCount := 0
 
 	for _, name := range append([]string{"unstable"}, sortedVersions...) {
 		features := getFeatures(caniuseRepo, name)
-		if len(features) == 0 {
-			log.Infof("no features found for %s", name)
-		}
 		libFeatures := make([]Feature, 0)
 		nonLibFeatures := make([]Feature, 0)
 		for _, feature := range features {
@@ -111,6 +109,11 @@ func main() {
 		}
 
 		versions = append(versions, version)
+		featureCount += len(features)
+	}
+
+	if featureCount == 0 {
+		log.Fatal("found no features")
 	}
 
 	tmpl := template.New("template.html.tmpl").Funcs(template.FuncMap{