Adding upstream version 2.52.6.

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

middleware/monitor/config.go

@@ -0,0 +1,132 @@
+package monitor
+
+import (
+	"time"
+
+	"github.com/gofiber/fiber/v2"
+)
+
+// Config defines the config for middleware.
+type Config struct {
+	// Metrics page title
+	//
+	// Optional. Default: "Fiber Monitor"
+	Title string
+
+	// Refresh period
+	//
+	// Optional. Default: 3 seconds
+	Refresh time.Duration
+
+	// Whether the service should expose only the monitoring API.
+	//
+	// Optional. Default: false
+	APIOnly bool
+
+	// Next defines a function to skip this middleware when returned true.
+	//
+	// Optional. Default: nil
+	Next func(c *fiber.Ctx) bool
+
+	// Custom HTML Code to Head Section(Before End)
+	//
+	// Optional. Default: empty
+	CustomHead string
+
+	// FontURL for specify font resource path or URL . also you can use relative path
+	//
+	// Optional. Default: https://fonts.googleapis.com/css2?family=Roboto:wght@400;900&display=swap
+	FontURL string
+
+	// ChartJsURL for specify ChartJS library  path or URL . also you can use relative path
+	//
+	// Optional. Default: https://cdn.jsdelivr.net/npm/chart.js@2.9/dist/Chart.bundle.min.js
+	ChartJsURL string // TODO: Rename to "ChartJSURL" in v3
+
+	index string
+}
+
+var ConfigDefault = Config{
+	Title:      defaultTitle,
+	Refresh:    defaultRefresh,
+	FontURL:    defaultFontURL,
+	ChartJsURL: defaultChartJSURL,
+	CustomHead: defaultCustomHead,
+	APIOnly:    false,
+	Next:       nil,
+	index: newIndex(viewBag{
+		defaultTitle,
+		defaultRefresh,
+		defaultFontURL,
+		defaultChartJSURL,
+		defaultCustomHead,
+	}),
+}
+
+func configDefault(config ...Config) Config {
+	// Users can change ConfigDefault.Title/Refresh which then
+	// become incompatible with ConfigDefault.index
+	if ConfigDefault.Title != defaultTitle ||
+		ConfigDefault.Refresh != defaultRefresh ||
+		ConfigDefault.FontURL != defaultFontURL ||
+		ConfigDefault.ChartJsURL != defaultChartJSURL ||
+		ConfigDefault.CustomHead != defaultCustomHead {
+		if ConfigDefault.Refresh < minRefresh {
+			ConfigDefault.Refresh = minRefresh
+		}
+		// update default index with new default title/refresh
+		ConfigDefault.index = newIndex(viewBag{
+			ConfigDefault.Title,
+			ConfigDefault.Refresh,
+			ConfigDefault.FontURL,
+			ConfigDefault.ChartJsURL,
+			ConfigDefault.CustomHead,
+		})
+	}
+
+	// Return default config if nothing provided
+	if len(config) < 1 {
+		return ConfigDefault
+	}
+
+	// Override default config
+	cfg := config[0]
+
+	// Set default values
+	if cfg.Title == "" {
+		cfg.Title = ConfigDefault.Title
+	}
+
+	if cfg.Refresh == 0 {
+		cfg.Refresh = ConfigDefault.Refresh
+	}
+	if cfg.FontURL == "" {
+		cfg.FontURL = defaultFontURL
+	}
+
+	if cfg.ChartJsURL == "" {
+		cfg.ChartJsURL = defaultChartJSURL
+	}
+	if cfg.Refresh < minRefresh {
+		cfg.Refresh = minRefresh
+	}
+
+	if cfg.Next == nil {
+		cfg.Next = ConfigDefault.Next
+	}
+
+	if !cfg.APIOnly {
+		cfg.APIOnly = ConfigDefault.APIOnly
+	}
+
+	// update cfg.index with custom title/refresh
+	cfg.index = newIndex(viewBag{
+		title:      cfg.Title,
+		refresh:    cfg.Refresh,
+		fontURL:    cfg.FontURL,
+		chartJSURL: cfg.ChartJsURL,
+		customHead: cfg.CustomHead,
+	})
+
+	return cfg
+}