feat: nested json (#2415)

* feat: nested json

* feat: remove up_to_date from json output when --no-status flag is set

* feat: restrict use of --nested with --json and --list/--list-all

cmd/task/task.go

@@ -128,6 +128,7 @@ func run() error {
 		flags.ListAll,
 		flags.ListJson,
 		flags.NoStatus,
+		flags.Nested,
 	)
 	if listOptions.ShouldListTasks() {
 		if flags.Silent {

help.go

@@ -24,15 +24,17 @@ type ListOptions struct {
 	ListAllTasks                  bool
 	FormatTaskListAsJSON          bool
 	NoStatus                      bool
+	Nested                        bool
 }
 
 // NewListOptions creates a new ListOptions instance
-func NewListOptions(list, listAll, listAsJson, noStatus bool) ListOptions {
+func NewListOptions(list, listAll, listAsJson, noStatus, nested bool) ListOptions {
 	return ListOptions{
 		ListOnlyTasksWithDescriptions: list,
 		ListAllTasks:                  listAll,
 		FormatTaskListAsJSON:          listAsJson,
 		NoStatus:                      noStatus,
+		Nested:                        nested,
 	}
 }
 
@@ -63,7 +65,7 @@ func (e *Executor) ListTasks(o ListOptions) (bool, error) {
 		return false, err
 	}
 	if o.FormatTaskListAsJSON {
-		output, err := e.ToEditorOutput(tasks, o.NoStatus)
+		output, err := e.ToEditorOutput(tasks, o.NoStatus, o.Nested)
 		if err != nil {
 			return false, err
 		}
@@ -135,33 +137,17 @@ func (e *Executor) ListTaskNames(allTasks bool) error {
 	return nil
 }
 
-func (e *Executor) ToEditorOutput(tasks []*ast.Task, noStatus bool) (*editors.Taskfile, error) {
-	o := &editors.Taskfile{
-		Tasks:    make([]editors.Task, len(tasks)),
-		Location: e.Taskfile.Location,
-	}
+func (e *Executor) ToEditorOutput(tasks []*ast.Task, noStatus bool, nested bool) (*editors.Namespace, error) {
 	var g errgroup.Group
+	editorTasks := make([]editors.Task, len(tasks))
+
+	// Look over each task in parallel and turn it into an editor task
 	for i := range tasks {
-		aliases := []string{}
-		if len(tasks[i].Aliases) > 0 {
-			aliases = tasks[i].Aliases
-		}
 		g.Go(func() error {
-			o.Tasks[i] = editors.Task{
-				Name:     tasks[i].Name(),
-				Task:     tasks[i].Task,
-				Desc:     tasks[i].Desc,
-				Summary:  tasks[i].Summary,
-				Aliases:  aliases,
-				UpToDate: false,
-				Location: &editors.Location{
-					Line:     tasks[i].Location.Line,
-					Column:   tasks[i].Location.Column,
-					Taskfile: tasks[i].Location.Taskfile,
-				},
-			}
+			editorTask := editors.NewTask(tasks[i])
 
 			if noStatus {
+				editorTasks[i] = editorTask
 				return nil
 			}
 
@@ -180,10 +166,35 @@ func (e *Executor) ToEditorOutput(tasks []*ast.Task, noStatus bool) (*editors.Ta
 				return err
 			}
 
-			o.Tasks[i].UpToDate = upToDate
-
+			editorTask.UpToDate = &upToDate
+			editorTasks[i] = editorTask
 			return nil
 		})
 	}
-	return o, g.Wait()
+	if err := g.Wait(); err != nil {
+		return nil, err
+	}
+
+	// Create the root namespace
+	var tasksLen int
+	if !nested {
+		tasksLen = len(editorTasks)
+	}
+	rootNamespace := &editors.Namespace{
+		Tasks:    make([]editors.Task, tasksLen),
+		Location: e.Taskfile.Location,
+	}
+
+	// Recursively add namespaces to the root namespace or if nesting is
+	// disabled add them all to the root namespace
+	for i, task := range editorTasks {
+		taskNamespacePath := strings.Split(task.Task, ast.NamespaceSeparator)
+		if nested {
+			rootNamespace.AddNamespace(taskNamespacePath, task)
+		} else {
+			rootNamespace.Tasks[i] = task
+		}
+	}
+
+	return rootNamespace, g.Wait()
 }

internal/editors/output.go

@@ -1,10 +1,15 @@
 package editors
 
+import (
+	"github.com/go-task/task/v3/taskfile/ast"
+)
+
 type (
-	// Taskfile wraps task list output for use in editor integrations (e.g. VSCode, etc)
-	Taskfile struct {
+	// Namespace wraps task list output for use in editor integrations (e.g. VSCode, etc)
+	Namespace struct {
 		Tasks      []Task                `json:"tasks"`
-		Location string `json:"location"`
+		Namespaces map[string]*Namespace `json:"namespaces,omitempty"`
+		Location   string                `json:"location,omitempty"`
 	}
 	// Task describes a single task
 	Task struct {
@@ -13,7 +18,7 @@ type (
 		Desc     string    `json:"desc"`
 		Summary  string    `json:"summary"`
 		Aliases  []string  `json:"aliases"`
-		UpToDate bool      `json:"up_to_date"`
+		UpToDate *bool     `json:"up_to_date,omitempty"`
 		Location *Location `json:"location"`
 	}
 	// Location describes a task's location in a taskfile
@@ -23,3 +28,59 @@ type (
 		Taskfile string `json:"taskfile"`
 	}
 )
+
+func NewTask(task *ast.Task) Task {
+	aliases := []string{}
+	if len(task.Aliases) > 0 {
+		aliases = task.Aliases
+	}
+	return Task{
+		Name:    task.Name(),
+		Task:    task.Task,
+		Desc:    task.Desc,
+		Summary: task.Summary,
+		Aliases: aliases,
+		Location: &Location{
+			Line:     task.Location.Line,
+			Column:   task.Location.Column,
+			Taskfile: task.Location.Taskfile,
+		},
+	}
+}
+
+func (parent *Namespace) AddNamespace(namespacePath []string, task Task) {
+	if len(namespacePath) == 0 {
+		return
+	}
+
+	// If there are no child namespaces, then we have found a task and we can
+	// simply add it to the current namespace
+	if len(namespacePath) == 1 {
+		parent.Tasks = append(parent.Tasks, task)
+		return
+	}
+
+	// Get the key of the current namespace in the path
+	namespaceKey := namespacePath[0]
+
+	// Add the namespace to the parent namespaces map using the namespace key
+	if parent.Namespaces == nil {
+		parent.Namespaces = make(map[string]*Namespace, 0)
+	}
+
+	// Search for the current namespace in the parent namespaces map
+	// If it doesn't exist, create it
+	namespace, ok := parent.Namespaces[namespaceKey]
+	if !ok {
+		namespace = &Namespace{}
+		parent.Namespaces[namespaceKey] = namespace
+	}
+
+	// Remove the current namespace key from the namespace path.
+	childNamespacePath := namespacePath[1:]
+
+	// If there are no child namespaces in the task name, then we have found the
+	// namespace of the task and we can add it to the current namespace.
+	// Otherwise, we need to go deeper
+	namespace.AddNamespace(childNamespacePath, task)
+}

internal/flags/flags.go

@@ -51,6 +51,7 @@ var (
 	TaskSort            string
 	Status              bool
 	NoStatus            bool
+	Nested              bool
 	Insecure            bool
 	Force               bool
 	ForceAll            bool
@@ -117,6 +118,7 @@ func init() {
 	pflag.StringVar(&TaskSort, "sort", "", "Changes the order of the tasks when listed. [default|alphanumeric|none].")
 	pflag.BoolVar(&Status, "status", false, "Exits with non-zero exit code if any of the given tasks is not up-to-date.")
 	pflag.BoolVar(&NoStatus, "no-status", false, "Ignore status when listing tasks as JSON")
+	pflag.BoolVar(&Nested, "nested", false, "Nest namespaces when listing tasks as JSON")
 	pflag.BoolVar(&Insecure, "insecure", getConfig(config, config.Remote.Insecure, false), "Forces Task to download Taskfiles over insecure connections.")
 	pflag.BoolVarP(&Watch, "watch", "w", false, "Enables watch of the given task.")
 	pflag.BoolVarP(&Verbose, "verbose", "v", getConfig(config, config.Verbose, false), "Enables verbose mode.")
@@ -194,6 +196,10 @@ func Validate() error {
 		return errors.New("task: --no-status only applies to --json with --list or --list-all")
 	}
 
+	if Nested && !ListJson {
+		return errors.New("task: --nested only applies to --json with --list or --list-all")
+	}
+
 	return nil
 }