use runes when truncating

austin5456 · austin5456 · commit f27559e73004 · 2025-11-05T09:32:57.000-05:00
diff --git a/cmd/docker-mcp/commands/server.go b/cmd/docker-mcp/commands/server.go
@@ -209,11 +209,12 @@ func truncateString(s string, maxWidth int) string {
 	if maxWidth <= 0 {
 		return ""
 	}
-	if len(s) <= maxWidth {
+	runes := []rune(s)
+	if len(runes) <= maxWidth {
 		return s
 	}
 	if maxWidth > 3 {
-		return s[:maxWidth-3] + "..."
+		return string(runes[:maxWidth-3]) + "..."
 	}
-	return s[:maxWidth]
+	return string(runes[:maxWidth])
 }

Original file line number	Diff line number	Diff line change
`@@ -209,11 +209,12 @@ func truncateString(s string, maxWidth int) string {`
`209`	`209`	`if maxWidth <= 0 {`
`210`	`210`	`return ""`
`211`	`211`	`}`
`212`		`- if len(s) <= maxWidth {`
	`212`	`+ runes := []rune(s)`
	`213`	`+ if len(runes) <= maxWidth {`
`213`	`214`	`return s`
`214`	`215`	`}`
`215`	`216`	`if maxWidth > 3 {`
`216`		`- return s[:maxWidth-3] + "..."`
	`217`	`+ return string(runes[:maxWidth-3]) + "..."`
`217`	`218`	`}`
`218`		`- return s[:maxWidth]`
	`219`	`+ return string(runes[:maxWidth])`
`219`	`220`	`}`