Method deleteTaskWithId

src/core/webview/ClineProvider.ts:1982–2059

(id: string, cascadeSubtasks: boolean = true)

	// this function deletes a task from task history, and deletes its checkpoints and delete the task folder
	// If the task has subtasks (childIds), they will also be deleted recursively
	async deleteTaskWithId(id: string, cascadeSubtasks: boolean = true) {
		try {
			// get the task directory full path and history item
			const { taskDirPath, historyItem } = await this.getTaskWithId(id)

			// Collect all task IDs to delete (parent + all subtasks)
			const allIdsToDelete: string[] = [id]

			if (cascadeSubtasks) {
				// Recursively collect all child IDs
				const collectChildIds = async (taskId: string): Promise<void> => {
					try {
						const { historyItem: item } = await this.getTaskWithId(taskId)
						if (item.childIds && item.childIds.length > 0) {
							for (const childId of item.childIds) {
								allIdsToDelete.push(childId)
								await collectChildIds(childId)
							}
						}
					} catch (error) {
						// Child task may already be deleted or not found, continue
						console.log(`[deleteTaskWithId] child task ${taskId} not found, skipping`)
					}
				}

				await collectChildIds(id)
			}

			// Remove from stack if any of the tasks to delete are in the current task stack
			for (const taskId of allIdsToDelete) {
				if (taskId === this.getCurrentTask()?.taskId) {
					// Close the current task instance; delegation flows will be handled via metadata if applicable.
					await this.removeClineFromStack()
					break
				}
			}

			// Delete all tasks from state in one batch
			await this.taskHistoryStore.deleteMany(allIdsToDelete)
			this.recentTasksCache = undefined

			// Delete associated shadow repositories or branches and task directories
			const globalStorageDir = this.contextProxy.globalStorageUri.fsPath
			const workspaceDir = this.cwd
			const { getTaskDirectoryPath } = await import("../../utils/storage")
			const globalStoragePath = this.contextProxy.globalStorageUri.fsPath

			for (const taskId of allIdsToDelete) {
				try {
					await ShadowCheckpointService.deleteTask({ taskId, globalStorageDir, workspaceDir })
				} catch (error) {
					console.error(
						`[deleteTaskWithId${taskId}] failed to delete associated shadow repository or branch: ${error instanceof Error ? error.message : String(error)}`,
					)
				}

				// Delete the task directory
				try {