fx/help.go
2024-03-13 23:22:48 +01:00

92 lines
1.9 KiB
Go

package main
import (
"fmt"
"reflect"
"strings"
"github.com/charmbracelet/bubbles/key"
"github.com/charmbracelet/lipgloss"
)
func usage(keyMap KeyMap) string {
title := lipgloss.NewStyle().Bold(true)
pad := lipgloss.NewStyle().PaddingLeft(4)
return fmt.Sprintf(`
%v
Terminal JSON viewer
%v
fx data.json
fx data.json .field
curl ... | fx
%v
-h, --help print help
-v, --version print version
--themes print themes
--comp <shell> print completion script
-r, --raw treat input as a raw string
-s, --slurp read all inputs into an array
--yaml parse input as YAML
%v
%v
%v
[https://fx.wtf]
`,
title.Render("fx "+version),
title.Render("Usage"),
title.Render("Flags"),
title.Render("Key Bindings"),
strings.Join(keyMapInfo(keyMap, pad), "\n"),
title.Render("More info"),
)
}
func help(keyMap KeyMap) string {
title := lipgloss.NewStyle().Bold(true)
pad := lipgloss.NewStyle().PaddingLeft(4)
return fmt.Sprintf(`
%v
%v
`,
title.Render("Key Bindings"),
strings.Join(keyMapInfo(keyMap, pad), "\n"),
)
}
func keyMapInfo(keyMap KeyMap, style lipgloss.Style) []string {
v := reflect.ValueOf(keyMap)
fields := reflect.VisibleFields(v.Type())
keys := make([]string, 0)
for i := range fields {
k := v.Field(i).Interface().(key.Binding)
str := k.Help().Key
if len(str) == 0 {
if len(k.Keys()) > 5 {
str = fmt.Sprintf("%v-%v", k.Keys()[0], k.Keys()[len(k.Keys())-1])
} else {
str = strings.Join(k.Keys(), ", ")
}
}
keys = append(keys, fmt.Sprintf("%v ", str))
}
desc := make([]string, 0)
for i := range fields {
k := v.Field(i).Interface().(key.Binding)
desc = append(desc, fmt.Sprintf("%v", k.Help().Desc))
}
content := lipgloss.JoinHorizontal(
lipgloss.Top,
strings.Join(keys, "\n"),
strings.Join(desc, "\n"),
)
return strings.Split(style.Render(content), "\n")
}