all: use errors from the standard library

api.go

@@ -3,6 +3,7 @@ package telebot
 import (
 	"bytes"
 	"encoding/json"
+	"fmt"
 	"io"
 	"io/ioutil"
 	"log"
@@ -12,8 +13,6 @@ import (
 	"strconv"
 	"strings"
 	"time"
-
-	"github.com/pkg/errors"
 )
 
 // Raw lets you call any method of Bot API manually.
@@ -73,7 +72,7 @@ func (b *Bot) sendFiles(method string, files map[string]File, params map[string]
 		case f.FileReader != nil:
 			rawFiles[name] = f.FileReader
 		default:
-			return nil, errors.Errorf("telebot: file for field %s doesn't exist", name)
+			return nil, fmt.Errorf("telebot: file for field %s doesn't exist", name)
 		}
 	}
 
@@ -140,7 +139,7 @@ func addFileToWriter(writer *multipart.Writer, filename, field string, file inte
 		defer f.Close()
 		reader = f
 	} else {
-		return errors.Errorf("telebot: file for field %v should be io.ReadCloser or string", field)
+		return fmt.Errorf("telebot: file for field %v should be io.ReadCloser or string", field)
 	}
 
 	part, err := writer.CreateFormFile(field, filename)

bot.go

@@ -9,8 +9,6 @@ import (
 	"regexp"
 	"strconv"
 	"strings"
-
-	"github.com/pkg/errors"
 )
 
 // NewBot does try to build a Bot with token `token`, which
@@ -600,7 +598,7 @@ func (b *Bot) SendAlbum(to Recipient, a Album, opts ...interface{}) ([]Message,
 			repr = "attach://" + strconv.Itoa(i)
 			files[strconv.Itoa(i)] = *file
 		default:
-			return nil, errors.Errorf("telebot: album entry #%d does not exist", i)
+			return nil, fmt.Errorf("telebot: album entry #%d does not exist", i)
 		}
 
 		im := x.InputMedia()
@@ -890,7 +888,7 @@ func (b *Bot) EditMedia(msg Editable, media Inputtable, opts ...interface{}) (*M
 		repr = "attach://" + s
 		files[s] = *file
 	default:
-		return nil, errors.Errorf("telebot: cannot edit media, it does not exist")
+		return nil, fmt.Errorf("telebot: cannot edit media, it does not exist")
 	}
 
 	switch m := media.(type) {
@@ -1152,7 +1150,7 @@ func (b *Bot) File(file *File) (io.ReadCloser, error) {
 
 	if resp.StatusCode != http.StatusOK {
 		resp.Body.Close()
-		return nil, errors.Errorf("telebot: expected status 200 but got %s", resp.Status)
+		return nil, fmt.Errorf("telebot: expected status 200 but got %s", resp.Status)
 	}
 
 	return resp.Body, nil

context.go

@@ -1,11 +1,10 @@
 package telebot
 
 import (
+	"errors"
 	"strings"
 	"sync"
 	"time"
-
-	"github.com/pkg/errors"
 )
 
 // HandlerFunc represents a handler function, which is

go.mod

@@ -6,7 +6,6 @@ require (
 	github.com/fatih/color v1.13.0 // indirect
 	github.com/goccy/go-yaml v1.9.5
 	github.com/mattn/go-colorable v0.1.12 // indirect
-	github.com/pkg/errors v0.9.1
 	github.com/spf13/cast v1.3.1
 	github.com/stretchr/testify v1.7.0
 	golang.org/x/sys v0.0.0-20220114195835-da31bd327af9 // indirect

go.sum

@@ -23,8 +23,6 @@ github.com/mattn/go-colorable v0.1.12/go.mod h1:u5H1YNBxpqRaxsYJYSkiCWKzEfiAb1Gb
 github.com/mattn/go-isatty v0.0.12/go.mod h1:cbi8OIDigv2wuxKPP5vlRcQ1OAZbq2CE4Kysco4FUpU=
 github.com/mattn/go-isatty v0.0.14 h1:yVuAays6BHfxijgZPzw+3Zlu5yQgKGP2/hcQbHb7S9Y=
 github.com/mattn/go-isatty v0.0.14/go.mod h1:7GGIvUiUoEMVVmxf/4nioHXj79iQHKdU27kJ6hsGG94=
-github.com/pkg/errors v0.9.1 h1:FEBLx1zS214owpjy7qsBeixbURkuhQAwrK5UwLGTwt4=
-github.com/pkg/errors v0.9.1/go.mod h1:bwawxfHBFNV+L2hUp1rHADufV3IMtnDRdf1r5NINEl0=
 github.com/pmezard/go-difflib v1.0.0 h1:4DBwDE0NGyQoBHbLQYPwSUPoCMWR5BEzIk/f1lZbAQM=
 github.com/pmezard/go-difflib v1.0.0/go.mod h1:iKH77koFhYxTK1pcRnkKkqfTogsbg7gZNVY4sRDYZ/4=
 github.com/spf13/cast v1.3.1 h1:nFm6S0SMdyzrzcmThSipiEubIDy8WEXKNZ0UOgiRpng=

inline.go

@@ -3,8 +3,6 @@ package telebot
 import (
 	"encoding/json"
 	"fmt"
-
-	"github.com/pkg/errors"
 )
 
 // Query is an incoming inline query. When the user sends
@@ -134,7 +132,7 @@ func inferIQR(result Result) error {
 	case *StickerResult:
 		r.Type = "sticker"
 	default:
-		return errors.Errorf("telebot: result %v is not supported", result)
+		return fmt.Errorf("telebot: result %v is not supported", result)
 	}
 
 	return nil

telebot.go

@@ -27,7 +27,7 @@
 //
 package telebot
 
-import "github.com/pkg/errors"
+import "errors"
 
 var (
 	ErrBadRecipient    = errors.New("telebot: recipient is nil")

util.go

@@ -7,8 +7,6 @@ import (
 	"log"
 	"net/http"
 	"strconv"
-
-	"github.com/pkg/errors"
 )
 
 var defaultOnError = func(err error, c Context) {
@@ -24,7 +22,7 @@ func (b *Bot) deferDebug() {
 		if err, ok := r.(error); ok {
 			b.debug(err)
 		} else if str, ok := r.(string); ok {
-			b.debug(errors.Errorf("%s", str))
+			b.debug(fmt.Errorf("%s", str))
 		}
 	}
 }
@@ -52,7 +50,7 @@ func applyMiddleware(h HandlerFunc, middleware ...MiddlewareFunc) HandlerFunc {
 
 // wrapError returns new wrapped telebot-related error.
 func wrapError(err error) error {
-	return errors.Wrap(err, "telebot")
+	return fmt.Errorf("telebot: %w", err)
 }
 
 // extractOk checks given result for error. If result is ok returns nil.