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package slogmulti
import (
"context"
"log/slog"
)
// NewEnabledInlineMiddleware is shortcut to a middleware that implements only the `Enable` method.
func NewEnabledInlineMiddleware(enabledFunc func(ctx context.Context, level slog.Level, next func(context.Context, slog.Level) bool) bool) Middleware {
return func(next slog.Handler) slog.Handler {
if enabledFunc == nil {
panic("slog-multi: enabledFunc is required")
}
if next == nil {
panic("slog-multi: next is required")
}
return &EnabledInlineMiddleware{
next: next,
enabledFunc: enabledFunc,
}
}
}
var _ slog.Handler = (*EnabledInlineMiddleware)(nil)
type EnabledInlineMiddleware struct {
next slog.Handler
// enableFunc func(context.Context, slog.Level) bool
enabledFunc func(context.Context, slog.Level, func(context.Context, slog.Level) bool) bool
}
// Implements slog.Handler
func (h *EnabledInlineMiddleware) Enabled(ctx context.Context, level slog.Level) bool {
return h.enabledFunc(ctx, level, h.next.Enabled)
}
// Implements slog.Handler
func (h *EnabledInlineMiddleware) Handle(ctx context.Context, record slog.Record) error {
return h.next.Handle(ctx, record)
}
// Implements slog.Handler
func (h *EnabledInlineMiddleware) WithAttrs(attrs []slog.Attr) slog.Handler {
return NewEnabledInlineMiddleware(h.enabledFunc)(h.next.WithAttrs(attrs))
}
// Implements slog.Handler
func (h *EnabledInlineMiddleware) WithGroup(name string) slog.Handler {
// https://cs.opensource.google/go/x/exp/+/46b07846:slog/handler.go;l=247
if name == "" {
return h
}
return NewEnabledInlineMiddleware(h.enabledFunc)(h.next.WithGroup(name))
}
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