/
log.go
39 lines (31 loc) · 793 Bytes
/
log.go
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package slog
import (
"fmt"
"go.uber.org/zap"
"go.uber.org/zap/zapcore"
)
// New returns development logger (line-based) if dev == true
// and prod logger (structured json) otherwise.
func New(dev bool) (*zap.Logger, error) {
if dev {
return Dev()
}
return Prod()
}
func Dev() (*zap.Logger, error) {
zapConfig := zap.NewDevelopmentConfig()
zapConfig.EncoderConfig.EncodeLevel = zapcore.CapitalColorLevelEncoder
zapConfig.EncoderConfig.TimeKey = ""
logger, err := zapConfig.Build()
if err != nil {
return nil, fmt.Errorf("failed to construct dev logger: %w", err)
}
return logger, nil
}
func Prod() (*zap.Logger, error) {
logger, err := zap.NewProduction()
if err != nil {
return nil, fmt.Errorf("failed to construct prod logger: %w", err)
}
return logger, nil
}