Multibyte characters in fuzzyfinder.WithQuery() result in panic.

[AWtnb]

Multibyte characters in fuzzyfinder.WithQuery() result in panic.

fuzzyfinder.WithQuery() に日本語のようなマルチバイト文字が含まれているとpanicが発生するようです。

To reproduce

The following code will reproduce it.

下記のコードで再現されます。

package main

import (
	"fmt"

	"github.com/ktr0731/go-fuzzyfinder"
)

type Track struct {
	Name      string
	AlbumName string
	Artist    string
}

var tracks = []Track{
	{"foo", "album1", "artist1"},
	{"bar", "album1", "artist1"},
	{"foo", "album2", "artist1"},
	{"ほげ", "album2", "artist2"},
	{"ふが", "album3", "artist2"},
}

func main() {
	idx, err := fuzzyfinder.Find(tracks, func(i int) string {
		return tracks[i].Name
	}, fuzzyfinder.WithQuery("ほげ"))
	if err != nil {
		fmt.Println(err)
	}
	fmt.Printf("selected: %v\n", idx)
}

When I try to input any key, the following error message is output.

何かキー入力をしようとすると下記のエラーが出力されます。

However, once the cursor is moved to the beginning of line with Home or Ctrl-A, it works fine.

ただし、Home や Ctrl-A でカーソルをいったん先頭に移動させれば問題なく操作できます。

panic: runtime error: index out of range [5] with length 2

goroutine 1 [running]:
github.com/ktr0731/go-fuzzyfinder.(*finder).readKey(0xc000176000, {0xc2c938, 0xc000070050})
        C:/Users/awtnb/go/pkg/mod/github.com/ktr0731/go-fuzzyfinder@v0.8.0/fuzzyfinder.go:506 +0x1217
github.com/ktr0731/go-fuzzyfinder.(*finder).find(0xc000176000, {0xbdbf60, 0xc0000083f0}, 0xc0d7d8, {0xc00011fef0, 0x1, 0x28fab239301?})
        C:/Users/awtnb/go/pkg/mod/github.com/ktr0731/go-fuzzyfinder@v0.8.0/fuzzyfinder.go:770 +0xb8d
github.com/ktr0731/go-fuzzyfinder.(*finder).Find(0xd348c0?, {0xbdbf60?, 0xc0000083f0?}, 0xc00011fea0?, {0xc00011fef0?, 0x18?, 0xbdefa0?})
        C:/Users/awtnb/go/pkg/mod/github.com/ktr0731/go-fuzzyfinder@v0.8.0/fuzzyfinder.go:823 +0x25
github.com/ktr0731/go-fuzzyfinder.Find({0xbdbf60, 0xc0000083f0}, 0x5?, {0xc00011fef0, 0x1, 0x1})
        C:/Users/awtnb/go/pkg/mod/github.com/ktr0731/go-fuzzyfinder@v0.8.0/fuzzyfinder.go:819 +0x5c
main.main()
        C:/Users/awtnb/Desktop/gofuzquerytest/main.go:24 +0x9b
exit status 2

Environment

• OS: Windows11
• Terminal: WezTerm, VSCode Integrated Terminal, cmd.exe
• go-fuzzyfinder version: v0.8.0