38 lines
785 B
Go
38 lines
785 B
Go
// +build appengine
|
|
|
|
package colorable
|
|
|
|
import (
|
|
"io"
|
|
"os"
|
|
|
|
_ "github.com/mattn/go-isatty"
|
|
)
|
|
|
|
// NewColorable returns new instance of Writer which handles escape sequence.
|
|
func NewColorable(file *os.File) io.Writer {
|
|
if file == nil {
|
|
panic("nil passed instead of *os.File to NewColorable()")
|
|
}
|
|
|
|
return file
|
|
}
|
|
|
|
// NewColorableStdout returns new instance of Writer which handles escape sequence for stdout.
|
|
func NewColorableStdout() io.Writer {
|
|
return os.Stdout
|
|
}
|
|
|
|
// NewColorableStderr returns new instance of Writer which handles escape sequence for stderr.
|
|
func NewColorableStderr() io.Writer {
|
|
return os.Stderr
|
|
}
|
|
|
|
// EnableColorsStdout enable colors if possible.
|
|
func EnableColorsStdout(enabled *bool) func() {
|
|
if enabled != nil {
|
|
*enabled = true
|
|
}
|
|
return func() {}
|
|
}
|