dnote/pkg/prompt/prompt.go
2025-10-31 23:41:21 -07:00

53 lines
1.5 KiB
Go

/* Copyright 2025 Dnote Authors
*
* Licensed under the Apache License, Version 2.0 (the "License");
* you may not use this file except in compliance with the License.
* You may obtain a copy of the License at
*
* http://www.apache.org/licenses/LICENSE-2.0
*
* Unless required by applicable law or agreed to in writing, software
* distributed under the License is distributed on an "AS IS" BASIS,
* WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
* See the License for the specific language governing permissions and
* limitations under the License.
*/
// Package prompt provides utilities for interactive yes/no prompts
package prompt
import (
"bufio"
"fmt"
"io"
"strings"
)
// FormatQuestion formats a yes/no question with the appropriate choice indicator
func FormatQuestion(question string, optimistic bool) string {
choices := "(y/N)"
if optimistic {
choices = "(Y/n)"
}
return fmt.Sprintf("%s %s", question, choices)
}
// ReadYesNo reads and parses a yes/no response from the given reader.
// Returns true if confirmed, respecting optimistic mode.
// In optimistic mode, empty input is treated as confirmation.
func ReadYesNo(r io.Reader, optimistic bool) (bool, error) {
reader := bufio.NewReader(r)
input, err := reader.ReadString('\n')
if err != nil {
return false, err
}
input = strings.ToLower(strings.TrimSpace(input))
confirmed := input == "y"
if optimistic {
confirmed = confirmed || input == ""
}
return confirmed, nil
}