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package logger
import (
"context"
"log/slog"
"os"
"runtime"
"strings"
"github.com/lmittmann/tint"
)
func newTextHandler() slog.Handler {
return slog.NewTextHandler(os.Stderr, &slog.HandlerOptions{
Level: Level.lvl,
ReplaceAttr: func(groups []string, a slog.Attr) slog.Attr {
switch a.Key {
case slog.TimeKey:
if isJournal {
return slog.Attr{}
}
case slog.LevelKey:
lvl := a.Value.Any().(slog.Level)
s, ok := customLevels[lvl]
if !ok {
s = lvl.String()
}
return slog.String(a.Key, strings.ToLower(s))
}
return a
},
})
}
func newTerminalHandler() slog.Handler {
return tint.NewHandler(os.Stderr, &tint.Options{
AddSource: true,
Level: Level.lvl,
ReplaceAttr: func(groups []string, a slog.Attr) slog.Attr {
switch a.Key {
case slog.TimeKey:
return slog.Attr{}
case slog.SourceKey:
if !Level.Enabled(slog.LevelDebug) {
return slog.Attr{}
}
case slog.LevelKey:
lvl := a.Value.Any().(slog.Level)
if s, ok := customLevelsTerm[lvl]; ok {
return slog.String(a.Key, s)
}
}
return a
},
})
}
func withCallDepth(depth int, sh slog.Handler) slog.Handler {
if v, ok := sh.(*callDepthHandler); ok {
sh = v.sh
}
return &callDepthHandler{depth: depth, sh: sh}
}
type callDepthHandler struct {
depth int
sh slog.Handler
}
func (h *callDepthHandler) Enabled(ctx context.Context, level slog.Level) bool {
return h.sh.Enabled(ctx, level)
}
func (h *callDepthHandler) WithAttrs(attrs []slog.Attr) slog.Handler {
return withCallDepth(h.depth, h.sh.WithAttrs(attrs))
}
func (h *callDepthHandler) WithGroup(name string) slog.Handler {
return withCallDepth(h.depth, h.sh.WithGroup(name))
}
func (h *callDepthHandler) Handle(ctx context.Context, r slog.Record) error {
// https://pkg.go.dev/log/slog#example-package-Wrapping
var pcs [1]uintptr
// skip Callers and this function
runtime.Callers(h.depth+2, pcs[:])
r.PC = pcs[0]
return h.sh.Handle(ctx, r)
}
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