/
console.go
67 lines (53 loc) · 1.24 KB
/
console.go
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package console
import (
"fmt"
"io/ioutil"
"os"
"github.com/khorevaa/logos/internal/common"
"github.com/mattn/go-colorable"
"go.uber.org/zap/zapcore"
)
type Console struct {
zapcore.WriteSyncer
colorable bool
}
type Config struct {
Target `logos-config:"target" logos-validate:"required,logos.oneof=stderr stdout discard"`
NoColor bool `logos-config:"no_color"`
}
type Target = string
const (
Discard Target = "discard"
Stdout Target = "stdout"
Stderr Target = "stderr"
)
var (
defaultConfig = Config{
Target: Stdout,
}
)
func DefaultConfig() Config {
return defaultConfig
}
func New(v *common.Config) (zapcore.WriteSyncer, error) {
cfg := DefaultConfig()
if err := v.Unpack(&cfg); err != nil {
return nil, err
}
switch cfg.Target {
case Stdout:
return NewConsole(cfg, os.Stdout), nil
case Stderr:
return NewConsole(cfg, os.Stderr), nil
case Discard:
return &Console{zapcore.AddSync(ioutil.Discard), false}, nil
default:
return nil, fmt.Errorf("unknown target %q", cfg.Target)
}
}
func NewConsole(config Config, file *os.File) zapcore.WriteSyncer {
if config.NoColor {
return &Console{zapcore.AddSync(colorable.NewNonColorable(file)), false}
}
return &Console{zapcore.AddSync(colorable.NewColorable(file)), true}
}