refactor(cmd.urlshc): precheck missing url opt

adhocore · Apr 14, 2021 · e9e13f8 · e9e13f8
1 parent 7df6298
commit e9e13f8
Showing 1 changed file with 5 additions and 0 deletions.
diff --git a/cmd/urlshc/main.go b/cmd/urlshc/main.go
@@ -2,6 +2,7 @@ package main
 
 import (
 	"bytes"
+	"errors"
 	"encoding/json"
 	"flag"
 	"fmt"
@@ -44,6 +45,10 @@ func input() (ureq.URLInput, error) {
 	flag.StringVar(&words, "keywords", "", "CSV keywords (optional, format: word-1,word2,word_3,...)")
 	flag.Parse()
 
+	if "" == i.URL {
+		return i, errors.New("url is required option")
+	}
+
 	if words != "" {
 		words = strings.ReplaceAll(words, ", ", ",")
 		words = strings.ReplaceAll(words, " ,", ",")