Add support for TaskGroup.id and isDefault.

packages/plugin-ext/src/common/plugin-api-rpc.ts

@@ -1444,6 +1444,7 @@ export interface CommandProperties {
     };
 }
 
+export type TaskGroupKind = 'build' | 'test' | 'rebuild' | 'clean';
 export interface TaskDto {
     type: string;
     taskType?: 'shell' | 'process' | 'customExecution'; // the task execution type
@@ -1454,7 +1455,10 @@ export interface TaskDto {
     // Provide a more specific type when necessary (see ProblemMatcherContribution)
     // eslint-disable-next-line @typescript-eslint/no-explicit-any
     problemMatcher?: any;
-    group?: string;
+    group?: {
+        kind: TaskGroupKind;
+        isDefault: boolean;
+    }
     detail?: string;
     presentation?: TaskPresentationOptionsDTO;
     runOptions?: RunOptionsDTO;

packages/plugin-ext/src/main/browser/tasks-main.ts

@@ -26,7 +26,7 @@ import { RPCProtocol } from '../../common/rpc-protocol';
 import { Disposable, DisposableCollection } from '@theia/core/lib/common';
 import { TaskProviderRegistry, TaskResolverRegistry, TaskProvider, TaskResolver } from '@theia/task/lib/browser/task-contribution';
 import { interfaces } from '@theia/core/shared/inversify';
-import { TaskInfo, TaskExitedEvent, TaskConfiguration, TaskCustomization, TaskOutputPresentation, RevealKind, PanelKind } from '@theia/task/lib/common/task-protocol';
+import { TaskInfo, TaskExitedEvent, TaskConfiguration, TaskOutputPresentation, RevealKind, PanelKind } from '@theia/task/lib/common/task-protocol';
 import { TaskWatcher } from '@theia/task/lib/common/task-watcher';
 import { TaskService } from '@theia/task/lib/browser/task-service';
 import { TaskDefinitionRegistry } from '@theia/task/lib/browser';
@@ -207,8 +207,11 @@ export class TasksMainImpl implements TasksMain, Disposable {
         if (presentation) {
             partialConfig.presentation = this.convertTaskPresentation(presentation);
         }
-        if (group === 'build' || group === 'test') {
-            partialConfig.group = group;
+        if (group) {
+            partialConfig.group = {
+                kind: group.kind,
+                isDefault: group.isDefault
+            };
         }
         return {
             ...common,
@@ -225,12 +228,13 @@ export class TasksMainImpl implements TasksMain, Disposable {
         if (presentation) {
             partialDto.presentation = this.convertTaskPresentation(presentation);
         }
-        if (group) {
-            if (TaskCustomization.isBuildTask(task)) {
-                partialDto.group = 'build';
-            } else if (TaskCustomization.isTestTask(task)) {
-                partialDto.group = 'test';
-            }
+        if (group === 'build' || group === 'test') {
+            partialDto.group = {
+                kind: group,
+                isDefault: false
+            };
+        } else if (typeof group === 'object') {
+            partialDto.group = group;
         }
         return {
             ...common,

packages/plugin-ext/src/plugin/type-converters.spec.ts

@@ -22,7 +22,6 @@ import * as model from '../common/plugin-api-rpc-model';
 import { MarkdownString } from './markdown-string';
 import { MarkdownString as MarkdownStringInterface } from '@theia/core/lib/common/markdown-rendering';
 import { TaskDto } from '../common/plugin-api-rpc';
-import { TaskGroup } from './types-impl';
 
 describe('Type converters:', () => {
 
@@ -185,8 +184,7 @@ describe('Type converters:', () => {
         const args = ['run', 'build'];
         const cwd = '/projects/theia';
         const additionalProperty = 'some property';
-        const groupDto = 'build';
-        const group = TaskGroup.Build;
+        const group = new types.TaskGroup('build', 'Build');
 
         const shellTaskDto: TaskDto = {
             type: shellType,
@@ -202,7 +200,10 @@ describe('Type converters:', () => {
                 reveal: 3,
                 focus: true
             },
-            group: groupDto,
+            group: {
+                kind: 'build',
+                isDefault: false
+            },
             runOptions: {
                 reevaluateOnRerun: false
             }

packages/plugin-ext/src/plugin/type-converters.ts

@@ -31,8 +31,6 @@ import { MarkdownString as MarkdownStringDTO } from '@theia/core/lib/common/mark
 
 const SIDE_GROUP = -2;
 const ACTIVE_GROUP = -1;
-const BUILD_GROUP = 'build';
-const TEST_GROUP = 'test';
 
 export function toViewColumn(ep?: EditorPosition): theia.ViewColumn | undefined {
     if (typeof ep !== 'number') {
@@ -846,11 +844,11 @@ export function fromTask(task: theia.Task): TaskDto | undefined {
         taskDto.presentation = task.presentationOptions;
     }
 
-    const group = task.group;
-    if (group === types.TaskGroup.Build) {
-        taskDto.group = BUILD_GROUP;
-    } else if (group === types.TaskGroup.Test) {
-        taskDto.group = TEST_GROUP;
+    if (task.group) {
+        taskDto.group = {
+            kind: <rpc.TaskGroupKind>task.group.id,
+            isDefault: !!task.group.isDefault
+        };
     }
 
     const taskDefinition = task.definition;
@@ -936,11 +934,11 @@ export function toTask(taskDto: TaskDto): theia.Task {
     }
 
     if (group) {
-        if (group === BUILD_GROUP) {
-            result.group = types.TaskGroup.Build;
-        } else if (group === TEST_GROUP) {
-            result.group = types.TaskGroup.Test;
-        }
+        result.group = new types.TaskGroup(
+            group.kind,
+            group.kind,
+            group.isDefault
+        );
     }
 
     if (presentation) {

packages/plugin-ext/src/plugin/types-impl.ts

@@ -2008,7 +2008,6 @@ export class CustomExecution {
 
 @es5ClassCompat
 export class TaskGroup {
-    private groupId: string;
 
     public static Clean: TaskGroup = new TaskGroup('clean', 'Clean');
     public static Build: TaskGroup = new TaskGroup('build', 'Build');
@@ -2030,19 +2029,13 @@ export class TaskGroup {
         }
     }
 
-    constructor(id: string, label: string) {
-        if (typeof id !== 'string') {
-            throw illegalArgument('id');
-        }
-        if (typeof label !== 'string') {
-            throw illegalArgument('name');
-        }
-        this.groupId = id;
+    constructor(id: 'clean' | 'build' | 'rebuild' | 'test', label: string);
+    constructor(id: 'clean' | 'build' | 'rebuild' | 'test', label: string, isDefault?: boolean | undefined);
+    constructor(readonly id: 'clean' | 'build' | 'rebuild' | 'test', label: string, isDefault?: boolean | undefined) {
+        this.isDefault = !!isDefault;
     }
 
-    get id(): string {
-        return this.groupId;
-    }
+    readonly isDefault: boolean;
 }
 
 export enum TaskScope {
@@ -2127,6 +2120,7 @@ export class Task {
         }
         this.isTaskBackground = false;
         this.presentationOptions = Object.create(null);
+        this.taskRunOptions = Object.create(null);
     }
 
     get definition(): theia.TaskDefinition {

packages/plugin/src/theia.d.ts

@@ -11513,6 +11513,17 @@ export module '@theia/plugin' {
         /** The test all task group */
         static Test: TaskGroup;
 
+        /**
+         * Whether the task that is part of this group is the default for the group.
+         * This property cannot be set through API, and is controlled by a user's task configurations.
+         */
+        readonly isDefault: boolean | undefined;
+
+        /**
+         * The ID of the task group. Is one of TaskGroup.Clean.id, TaskGroup.Build.id, TaskGroup.Rebuild.id, or TaskGroup.Test.id.
+         */
+        readonly id: string;
+
         private constructor(id: string, label: string);
     }
 

packages/task/src/common/task-protocol.ts

@@ -115,7 +115,7 @@ export namespace TaskOutputPresentation {
 
 export interface TaskCustomization {
     type: string;
-    group?: 'build' | 'test' | 'none' | { kind: 'build' | 'test', isDefault: true };
+    group?: 'build' | 'test' | 'rebuild' | 'clean' | 'none' | { kind: 'build' | 'test' | 'rebuild' | 'clean', isDefault: boolean };
     problemMatcher?: string | ProblemMatcherContribution | (string | ProblemMatcherContribution)[];
     presentation?: TaskOutputPresentation;
     detail?: string;
@@ -136,19 +136,23 @@ export interface TaskCustomization {
 }
 export namespace TaskCustomization {
     export function isBuildTask(task: TaskCustomization): boolean {
-        return task.group === 'build' || !!task.group && typeof task.group === 'object' && task.group.kind === 'build';
+        return task.group === 'build' || typeof task.group === 'object' && task.group.kind === 'build';
     }
 
     export function isDefaultBuildTask(task: TaskCustomization): boolean {
-        return !!task.group && typeof task.group === 'object' && task.group.kind === 'build' && task.group.isDefault;
+        return isDefaultTask(task) && isBuildTask(task);
+    }
+
+    export function isDefaultTask(task: TaskCustomization): boolean {
+        return typeof task.group === 'object' && task.group.isDefault;
     }
 
     export function isTestTask(task: TaskCustomization): boolean {
-        return task.group === 'test' || !!task.group && typeof task.group === 'object' && task.group.kind === 'test';
+        return task.group === 'test' || typeof task.group === 'object' && task.group.kind === 'test';
     }
 
     export function isDefaultTestTask(task: TaskCustomization): boolean {
-        return !!task.group && typeof task.group === 'object' && task.group.kind === 'test' && task.group.isDefault;
+        return isDefaultTask(task) && isTestTask(task);
     }
 }