main
API
main
packageAPI reference for the main
package.
S
struct
CLI
CLI is the root application struct.
examples/main.go:12-21
type CLI struct
Methods
Before
Method
Returns
error
func (*CLI) Before() error
{
if c.Verbose {
c.Logger.Info("Verbose mode enabled")
}
return nil
}Fields
F
function
loadItems
Returns
[]string
error
examples/main.go:33-46
func loadItems() ([]string, error)
{
if _, err := os.Stat(dbFile); os.IsNotExist(err) {
return []string{}, nil
}
data, err := os.ReadFile(dbFile)
if err != nil {
return nil, err
}
var items []string
if err := json.Unmarshal(data, &items); err != nil {
return nil, err
}
return items, nil
}
F
function
saveItems
Parameters
items
[]string
Returns
error
examples/main.go:48-54
func saveItems(items []string) error
{
data, err := json.MarshalIndent(items, "", " ")
if err != nil {
return err
}
return os.WriteFile(dbFile, data, 0644)
}
S
struct
AddCmd
AddCmd adds an item.
examples/main.go:57-61
type AddCmd struct
Methods
Run
Method
Returns
error
func (*AddCmd) Run() error
{
items, err := loadItems()
if err != nil {
return err
}
items = append(items, c.Item)
if err := saveItems(items); err != nil {
return err
}
c.Logger.Success("Adding item: %s", c.Item)
return nil
}Fields
| Name | Type | Description |
|---|---|---|
| Item | string | arg:"" required:"true" help:"Item to add" |
S
struct
RemoveCmd
RemoveCmd removes an item.
examples/main.go:77-81
type RemoveCmd struct
Methods
Run
Method
Returns
error
func (*RemoveCmd) Run() error
{
items, err := loadItems()
if err != nil {
return err
}
newItems := []string{}
found := false
for _, item := range items {
if item == c.Item {
found = true
continue
}
newItems = append(newItems, item)
}
if !found {
c.Logger.Warning("Item not found: %s", c.Item)
return nil
}
if err := saveItems(newItems); err != nil {
return err
}
c.Logger.Success("Removed item: %s", c.Item)
return nil
}Fields
| Name | Type | Description |
|---|---|---|
| Item | string | arg:"" required:"true" help:"Item to remove" |
S
struct
ListCmd
ListCmd lists all items.
examples/main.go:111-113
type ListCmd struct
Methods
Run
Method
Returns
error
func (*ListCmd) Run() error
{
items, err := loadItems()
if err != nil {
return err
}
c.Logger.Info("Listing items...")
if len(items) == 0 {
fmt.Println("(no items)")
return nil
}
for _, item := range items {
fmt.Printf("- %s\n", item)
}
return nil
}
F
function
main
examples/main.go:131-137
func main()
{
app := &CLI{}
if err := cli.Run(app); err != nil {
fmt.Fprintf(os.Stderr, "Error: %v\n", err)
os.Exit(1)
}
}