mount.go — fiber Source File

Architecture documentation for mount.go, a go file in the fiber codebase. 1 imports, 0 dependents.

File go FiberCore Context 1 imports 1 functions 1 classes

Entity Profile

FiberCore→ Context→ mount.go — fiber Source File

Dependency Diagram

graph LR
  34d36804_2637_7a71_6d1e_4c70cf8761e5["mount.go"]
  5475551c_3f53_d25b_bcfb_7e8cde36a64b["sort"]
  34d36804_2637_7a71_6d1e_4c70cf8761e5 --> 5475551c_3f53_d25b_bcfb_7e8cde36a64b
  style 34d36804_2637_7a71_6d1e_4c70cf8761e5 fill:#6366f1,stroke:#818cf8,color:#fff

Relationship Graph

Source Code

// ⚡️ Fiber is an Express inspired web framework written in Go with ☕️
// 🤖 GitHub Repository: https://github.com/gofiber/fiber
// 📌 API Documentation: https://docs.gofiber.io

package fiber

import (
	"sort"
	"sync"
	"sync/atomic"

	"github.com/gofiber/utils/v2"
)

// Put fields related to mounting.
type mountFields struct {
	// Mounted and main apps
	appList map[string]*App
	// Prefix of app if it was mounted
	mountPath string
	// Ordered keys of apps (sorted by key length for Render)
	appListKeys []string
	// check added routes of sub-apps
	subAppsRoutesAdded sync.Once
	// check mounted sub-apps
	subAppsProcessed sync.Once
}

// Create empty mountFields instance
func newMountFields(app *App) *mountFields {
	return &mountFields{
		appList:     map[string]*App{"": app},
		appListKeys: make([]string, 0),
	}
}

// Mount attaches another app instance as a sub-router along a routing path.
// It's very useful to split up a large API as many independent routers and
// compose them as a single service using Mount. The fiber's error handler and
// any of the fiber's sub apps are added to the application's error handlers
// to be invoked on errors that happen within the prefix route.
func (app *App) mount(prefix string, subApp *App) Router {
	prefix = utils.TrimRight(prefix, '/')
	if prefix == "" {
		prefix = "/"
	}

	app.mutex.Lock()
	// Support for configs of mounted-apps and sub-mounted-apps
	for mountedPrefixes, subApp := range subApp.mountFields.appList {
		path := getGroupPath(prefix, mountedPrefixes)

		subApp.mountFields.mountPath = path
		app.mountFields.appList[path] = subApp
	}
	app.mutex.Unlock()

	// register mounted group
	mountGroup := &Group{Prefix: prefix, app: subApp}
	app.register([]string{methodUse}, prefix, mountGroup)
// ... (168 more lines)