Remove extra newline when message contains trailing newlines #387
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mitar
commented
Oct 17, 2023
| @@ -373,7 +373,7 @@ func (k *Kong) applyHookToDefaultFlags(ctx *Context, node *Node, name string) er | |||
| } | |||
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| func formatMultilineMessage(w io.Writer, leaders []string, format string, args ...interface{}) { | |||
| lines := strings.Split(fmt.Sprintf(format, args...), "\n") | |||
| lines := strings.Split(strings.TrimRight(fmt.Sprintf(format, args...), "\n"), "\n") | |||
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This could also be changed to TrimSuffix if we want to remove one and only one newline at the end.
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If there is trailing newline,
strings.Splitcreates an empty last line inlines, making this function output an extra empty line at the end. Trimming trailing newlines fixes that.