Move ansi stripper to util package

1 files changed, 0 insertions, 33 deletions

diff --git a/api/docker.go b/api/docker.go
index c79b76d..551c818 100644
--- a/api/docker.go
+++ b/api/docker.go
@@ -5,7 +5,6 @@ import (
 	"fmt"
 	"io"
 	"log/slog"
-	"regexp"
 	"time"
 
 	"github.com/docker/docker/api/types/container"
@@ -14,38 +13,6 @@ import (
 
 const vttContainerId string = "foundry-foundry-1"
 
-// Strip ansi control characters from source
-//
-// The source reader is automatically closed when stripper reader is
-type ansiStripper struct {
-	regex  regexp.Regexp
-	source io.ReadCloser
-}
-
-func NewAnsiStripper(source io.ReadCloser) *ansiStripper {
-	striper := new(ansiStripper)
-	striper.regex = *regexp.MustCompile(`\x1b[[0-9;]*m`)
-	striper.source = source
-
-	return striper
-}
-
-func (rc ansiStripper) Read(p []byte) (int, error) {
-	n, err := rc.source.Read(p)
-	if err != io.EOF && err != nil {
-		return n, err
-	}
-
-	stripped := rc.regex.ReplaceAll(p[:n], []byte(""))
-	n = copy(p, stripped)
-
-	return n, err
-}
-
-func (rc ansiStripper) Close() error {
-	return rc.source.Close()
-}
-
 func stopVtt(ctx context.Context) error {
 	apiClient, err := client.NewClientWithOpts(client.FromEnv, client.WithAPIVersionNegotiation())
 	if err != nil {