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36 lines
731 B
Go
36 lines
731 B
Go
package terminal
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import (
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"io"
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"os"
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"strings"
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"syscall"
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"github.com/mattn/go-colorable"
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)
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// getColorableWriter returns two values. First is Writer supported colors.
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// If return nil, colors will be disabled.
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func getColorableWriter() io.Writer {
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if strings.ToLower(os.Getenv("ConEmuANSI")) == "on" {
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// The ConEmu terminal is installed. Use it.
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return os.Stdout
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}
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const ENABLE_VIRTUAL_TERMINAL_PROCESSING = 0x0004
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h, err := syscall.GetStdHandle(syscall.STD_OUTPUT_HANDLE)
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if err != nil {
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return os.Stdout
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}
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var m uint32
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err = syscall.GetConsoleMode(h, &m)
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if err != nil {
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return os.Stdout
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}
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if m&ENABLE_VIRTUAL_TERMINAL_PROCESSING != 0 {
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return os.Stdout
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}
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return colorable.NewColorableStdout()
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}
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