Function ExampleContext_LoadModule_map

context_test.go:87–118

()

}

func ExampleContext_LoadModule_map() {
	// this whole first part is just setting up for the example;
	// note the struct tags - very important; we don't specify
	// inline_key because the map key is the module name
	var ctx Context
	myStruct := &struct {
		// This godoc comment will appear in module documentation.
		GuestModulesRaw ModuleMap `json:"guest_modules,omitempty" caddy:"namespace=example"`

		// this is where the decoded module will be stored; in this
		// example, we pretend we need an io.Writer but it can be
		// any interface type that is useful to you
		guestModules map[string]io.Writer
	}{
		GuestModulesRaw: ModuleMap{
			"module1_name": json.RawMessage(`{"foo":"bar1"}`),
			"module2_name": json.RawMessage(`{"foo":"bar2"}`),
		},
	}

	// since our input is map[string]json.RawMessage, the output will be map[string]any
	mods, err := ctx.LoadModule(myStruct, "GuestModulesRaw")
	if err != nil {
		// you'd want to actually handle the error here
		// return fmt.Errorf("loading guest modules: %v", err)
	}
	for modName, mod := range mods.(map[string]any) {
		myStruct.guestModules[modName] = mod.(io.Writer)
	}

	// use myStruct.guestModules from now on
}