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refactor: extract empty string filtering to reusable function

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- Add filterEmptyStrings utility function for consistent string filtering
- Replace inline slices.DeleteFunc calls with filterEmptyStrings
- Apply filtering to osArgs in addition to command args
- Improves code readability and reduces duplication
- Uses slices.DeleteFunc internally for efficient filtering
This commit is contained in:
Cuong Manh Le
2025-07-15 22:49:52 +07:00
committed by Cuong Manh Le
parent 02032c8f9f
commit 6e1e9426da
1 changed files with 11 additions and 6 deletions
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cmd/cli/commands.go
+11 -6
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@@ -205,9 +205,7 @@ func initStartCmd() *cobra.Command {
NOTE: running "ctrld start" without any arguments will start already installed ctrld service.`, NOTE: running "ctrld start" without any arguments will start already installed ctrld service.`,
Args: func(cmd *cobra.Command, args []string) error { Args: func(cmd *cobra.Command, args []string) error {
args = slices.DeleteFunc(args, func(arg string) bool { args = filterEmptyStrings(args)
return arg == ""
})
if len(args) > 0 { if len(args) > 0 {
return fmt.Errorf("'ctrld start' doesn't accept positional arguments\n" + return fmt.Errorf("'ctrld start' doesn't accept positional arguments\n" +
"Use flags instead (e.g. --cd, --iface) or see 'ctrld start --help' for all options") "Use flags instead (e.g. --cd, --iface) or see 'ctrld start --help' for all options")
@@ -221,6 +219,7 @@ NOTE: running "ctrld start" without any arguments will start already installed c
sc := &service.Config{} sc := &service.Config{}
*sc = *svcConfig *sc = *svcConfig
osArgs := os.Args[2:] osArgs := os.Args[2:]
osArgs = filterEmptyStrings(osArgs)
if os.Args[1] == "service" { if os.Args[1] == "service" {
osArgs = os.Args[3:] osArgs = os.Args[3:]
} }
@@ -524,9 +523,7 @@ NOTE: running "ctrld start" without any arguments will start already installed c
NOTE: running "ctrld start" without any arguments will start already installed ctrld service.`, NOTE: running "ctrld start" without any arguments will start already installed ctrld service.`,
Args: func(cmd *cobra.Command, args []string) error { Args: func(cmd *cobra.Command, args []string) error {
args = slices.DeleteFunc(args, func(arg string) bool { args = filterEmptyStrings(args)
return arg == ""
})
if len(args) > 0 { if len(args) > 0 {
return fmt.Errorf("'ctrld start' doesn't accept positional arguments\n" + return fmt.Errorf("'ctrld start' doesn't accept positional arguments\n" +
"Use flags instead (e.g. --cd, --iface) or see 'ctrld start --help' for all options") "Use flags instead (e.g. --cd, --iface) or see 'ctrld start --help' for all options")
@@ -1280,3 +1277,11 @@ func initServicesCmd(commands ...*cobra.Command) *cobra.Command {
return serviceCmd return serviceCmd
} }
// filterEmptyStrings removes empty strings from a slice of strings.
// It returns a new slice containing only non-empty strings.
func filterEmptyStrings(slice []string) []string {
return slices.DeleteFunc(slice, func(s string) bool {
return s == ""
})
}