Method Use

group.go:70–110

Use registers a middleware route that will match requests with the provided prefix (which is optional and defaults to "/"). Also, you can pass 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

(args ...any)

//
// This method will match all HTTP verbs: GET, POST, PUT, HEAD etc...
func (grp *Group) Use(args ...any) Router {
	var subApp *App
	var prefix string
	var prefixes []string
	var handlers []Handler

	for i := range args {
		switch arg := args[i].(type) {
		case string:
			prefix = arg
		case *App:
			subApp = arg
		case []string:
			prefixes = arg
		default:
			handler, ok := toFiberHandler(arg)
			if !ok {
				panic(fmt.Sprintf("use: invalid handler %v\n", reflect.TypeOf(arg)))
			}
			handlers = append(handlers, handler)
		}
	}

	if len(prefixes) == 0 {
		prefixes = append(prefixes, prefix)
	}

	for _, prefix := range prefixes {
		if subApp != nil {
			return grp.mount(prefix, subApp)
		}

		grp.app.register([]string{methodUse}, getGroupPath(grp.Prefix, prefix), grp, handlers...)
	}

	if !grp.hasAnyRoute {
		grp.hasAnyRoute = true
	}

	return grp
}

// Get registers a route for GET methods that requests a representation
// of the specified resource. Requests using GET should only retrieve data.