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package main |
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import ( |
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"fmt" |
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"io" |
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"os" |
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"github.com/fatih/color" |
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"github.com/mattn/go-colorable" |
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"github.com/mattn/go-isatty" |
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) |
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var ( |
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Stdout = colorable.NewColorableStdout() |
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Stderr = colorable.NewColorableStderr() |
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Default UI = Console{Stdout: Stdout, Stderr: Stderr} |
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) |
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// UI represents a simple IO output. |
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type UI interface { |
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Printf(format string, a ...any) (n int, err error) |
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Println(a ...any) (n int, err error) |
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Errorf(format string, a ...any) (n int, err error) |
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Errorln(a ...any) (n int, err error) |
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} |
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// Printf outputs information level logs |
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func Printf(format string, a ...any) (n int, err error) { |
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return Default.Printf(color.CyanString("INFO: ")+format, a...) |
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} |
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// Errorf outputs error level logs |
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func Errorf(format string, a ...any) (n int, err error) { |
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return Default.Errorf(color.RedString("ERROR: ")+format, a...) |
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} |
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// Warnf outputs warning level logs |
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func Warnf(format string, a ...any) (n int, err error) { |
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return Default.Errorf(color.YellowString("WARN: ")+format, a...) |
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} |
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// Errorln is non formatted error printer. |
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func Errorln(a ...any) (n int, err error) { |
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return Default.Errorln(a...) |
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} |
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// IsTerminal checks if we have tty |
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func IsTerminal(f *os.File) bool { |
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return isatty.IsTerminal(f.Fd()) |
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} |
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// Console is an implementation of UI interface |
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type Console struct { |
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Stdout io.Writer |
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Stderr io.Writer |
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} |
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// Printf prints formatted information logs to Stdout |
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func (c Console) Printf(format string, a ...any) (n int, err error) { |
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return fmt.Fprintf(c.Stdout, format, a...) |
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} |
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// Println prints information logs to Stdout |
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func (c Console) Println(a ...any) (n int, err error) { |
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return fmt.Fprintln(c.Stdout, a...) |
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} |
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// Errorf prints formatted error logs to Stderr |
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func (c Console) Errorf(format string, a ...any) (n int, err error) { |
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return fmt.Fprintf(c.Stderr, format, a...) |
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} |
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// Errorln prints error logs to Stderr |
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func (c Console) Errorln(a ...any) (n int, err error) { |
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return fmt.Fprintln(c.Stderr, a...) |
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} |
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abzcoding /
hget
