/
zap.go
120 lines (103 loc) · 2.62 KB
/
zap.go
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package logwise
import (
"context"
"log/slog"
"math"
"strings"
"time"
"go.uber.org/zap"
"go.uber.org/zap/zapcore"
)
type ZapCore struct {
log *slog.Logger
}
func NewZap(log *slog.Logger) *zap.Logger {
return zap.New(NewZapCore(log))
}
func NewZapCore(log *slog.Logger) zapcore.Core {
return &ZapCore{log: log}
}
func (c *ZapCore) Enabled(lvl zapcore.Level) bool {
return c.log.Enabled(context.TODO(), toSlogLevel(lvl))
}
func (c *ZapCore) With(fields []zapcore.Field) zapcore.Core {
return &ZapCore{log: c.log.With(toSlogFields(fields))}
}
func (c *ZapCore) Check(ent zapcore.Entry, ce *zapcore.CheckedEntry) *zapcore.CheckedEntry {
if c.Enabled(ent.Level) {
return ce.AddCore(ent, c)
}
return ce
}
func (c *ZapCore) Write(ent zapcore.Entry, fields []zapcore.Field) error {
log := c.log
if ent.LoggerName != "" {
for _, name := range strings.Split(ent.LoggerName, ".") {
log = log.WithGroup(name)
}
}
log.LogAttrs(context.TODO(), toSlogLevel(ent.Level), ent.Message, toSlogFields(fields)...)
return nil
}
func (c *ZapCore) Sync() error {
if s, ok := c.log.Handler().(HandlerSyncer); ok {
return s.Sync()
}
return nil
}
func toSlogLevel(lvl zapcore.Level) slog.Level {
switch lvl {
case zapcore.DebugLevel:
return slog.LevelDebug
case zapcore.InfoLevel:
return slog.LevelInfo
case zapcore.WarnLevel:
return slog.LevelWarn
default:
return slog.LevelError
}
}
func toSlogFields(fields []zapcore.Field) []slog.Attr {
attrs := make([]slog.Attr, 0, len(fields))
for _, f := range fields {
var v slog.Value
switch f.Type {
case zapcore.BoolType:
v = slog.BoolValue(f.Integer == 1)
case zapcore.DurationType:
v = slog.DurationValue(time.Duration(f.Integer))
case zapcore.Float64Type:
case zapcore.Float32Type:
v = slog.Float64Value(math.Float64frombits(uint64(f.Integer)))
case zapcore.Int64Type:
case zapcore.Int32Type:
case zapcore.Int16Type:
case zapcore.Int8Type:
v = slog.Int64Value(f.Integer)
case zapcore.StringType:
v = slog.StringValue(f.String)
case zapcore.TimeType:
if f.Interface != nil {
v = slog.TimeValue(time.Unix(0, f.Integer).In(f.Interface.(*time.Location)))
} else {
// Fall back to UTC if location is nil.
v = slog.TimeValue(time.Unix(0, f.Integer))
}
case zapcore.TimeFullType:
v = slog.TimeValue(f.Interface.(time.Time))
case zapcore.Uint64Type:
case zapcore.Uint32Type:
case zapcore.Uint16Type:
case zapcore.Uint8Type:
case zapcore.UintptrType:
v = slog.Uint64Value(uint64(f.Integer))
default:
v = slog.AnyValue(f.Interface)
}
attrs = append(attrs, slog.Attr{
Key: f.Key,
Value: v,
})
}
return attrs
}