Adding upstream version 2.52.6.

Signed-off-by: Daniel Baumann <daniel@debian.org>

middleware/compress/config.go

@@ -0,0 +1,56 @@
+package compress
+
+import (
+	"github.com/gofiber/fiber/v2"
+)
+
+// Config defines the config for middleware.
+type Config struct {
+	// Next defines a function to skip this middleware when returned true.
+	//
+	// Optional. Default: nil
+	Next func(c *fiber.Ctx) bool
+
+	// Level determines the compression algorithm
+	//
+	// Optional. Default: LevelDefault
+	// LevelDisabled:         -1
+	// LevelDefault:          0
+	// LevelBestSpeed:        1
+	// LevelBestCompression:  2
+	Level Level
+}
+
+// Level is numeric representation of compression level
+type Level int
+
+// Represents compression level that will be used in the middleware
+const (
+	LevelDisabled        Level = -1
+	LevelDefault         Level = 0
+	LevelBestSpeed       Level = 1
+	LevelBestCompression Level = 2
+)
+
+// ConfigDefault is the default config
+var ConfigDefault = Config{
+	Next:  nil,
+	Level: LevelDefault,
+}
+
+// Helper function to set default values
+func configDefault(config ...Config) Config {
+	// Return default config if nothing provided
+	if len(config) < 1 {
+		return ConfigDefault
+	}
+
+	// Override default config
+	cfg := config[0]
+
+	// Set default values
+	if cfg.Level < LevelDisabled || cfg.Level > LevelBestCompression {
+		cfg.Level = ConfigDefault.Level
+	}
+	return cfg
+}