Replaced panic with error return value in normalizePaths()

cmd/files.go

@@ -87,17 +87,17 @@ func pickFile(fileList []string) (string, string) {
 	return fileName, filePath
 }
 
-func normalizePaths(args []string) []string {
+func normalizePaths(args []string) ([]string, error) {
 	var paths []string
 
 	for i := 0; i < len(args); i++ {
 		absolutePath, err := filepath.Abs(args[i])
 		if err != nil {
-			panic(err)
+			return nil, err
 		}
 
 		paths = append(paths, absolutePath)
 	}
 
-	return paths
+	return paths, nil
 }

cmd/version.go

@@ -10,7 +10,7 @@ import (
 	"github.com/spf13/cobra"
 )
 
-var Version = "0.2.0"
+var Version = "0.2.1"
 
 func init() {
 	rootCmd.AddCommand(versionCmd)

cmd/web.go

@@ -109,7 +109,10 @@ func doNothing(http.ResponseWriter, *http.Request) {}
 func ServePage(args []string) {
 	defer HandleExit()
 
-	paths := normalizePaths(args)
+	paths, err := normalizePaths(args)
+	if err != nil {
+		log.Fatal(err)
+	}
 
 	http.HandleFunc("/", servePageHandler(paths))
 	http.HandleFunc("/favicon.ico", doNothing)