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fix: improve formatting of the help menu

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Use text/tabwriter to improve the formatting of the help menu.
This commit is contained in:
Dan Anglin 2024-09-23 22:26:15 +01:00
parent 23d6ddbdc8
commit f7359402ef
Signed by: dananglin
GPG key ID: 0C1D44CFBEE68638
1 changed files with 14 additions and 3 deletions
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17
internal/commands/help.go
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@ -3,7 +3,10 @@ package commands
import (
"fmt"
"maps"
"os"
"slices"
"strings"
"text/tabwriter"
)
func HelpFunc(summaries map[string]string) CommandFunc {
@ -16,13 +19,21 @@ func HelpFunc(summaries map[string]string) CommandFunc {
slices.Sort(keys)
fmt.Printf("\nCommands:\n")
var builder strings.Builder
builder.WriteString("\nCommands:\n")
tableWriter := tabwriter.NewWriter(&builder, 0, 8, 0, '\t', 0)
for _, key := range slices.All(keys) {
fmt.Printf("\n%s: %s", key, summaries[key])
fmt.Fprintf(tableWriter, "\n%s\t%s", key, summaries[key])
}
fmt.Printf("\n\n")
tableWriter.Flush()
builder.WriteString("\n\n")
fmt.Fprint(os.Stdout, builder.String())
return nil
}