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Documentation / listr2 / ListrTaskWrapper

Class: ListrTaskWrapper<Ctx, Renderer, FallbackRenderer> ​

The original Task that is defined by the user is wrapped with the TaskWrapper to provide additional functionality.

See ​

https://listr2.kilic.dev/task/task.html

Type Parameters ​

• Ctx

• Renderer extends ListrRendererFactory

• FallbackRenderer extends ListrRendererFactory

Constructors ​

new ListrTaskWrapper() ​

new ListrTaskWrapper<Ctx, Renderer, FallbackRenderer>(task): ListrTaskWrapper<Ctx, Renderer, FallbackRenderer>

Parameters ​

• task: ListrTaskObject<Ctx, Renderer, FallbackRenderer>

Returns ​

ListrTaskWrapper<Ctx, Renderer, FallbackRenderer>

Defined in ​

packages/listr2/src/lib/task-wrapper.ts:16

Properties ​

task ​

task: ListrTaskObject<Ctx, Renderer, FallbackRenderer>

Defined in ​

packages/listr2/src/lib/task-wrapper.ts:16

Accessors ​

title ​

Get Signature ​

get title(): string

Returns ​

string

Set Signature ​

set title(title): void

Title of the current task.

See ​

https://listr2.kilic.dev/task/title.html

Parameters ​

• title: string | any[]

Returns ​

void

Defined in ​

packages/listr2/src/lib/task-wrapper.ts:19

output ​

Get Signature ​

get output(): string

Returns ​

string

Set Signature ​

set output(output): void

Send output from the current task to the renderer.

See ​

https://listr2.kilic.dev/task/output.html

Parameters ​

• output: string | any[]

Returns ​

void

Defined in ​

packages/listr2/src/lib/task-wrapper.ts:35

Methods ​

newListr() ​

newListr<NewCtx>(task, options?): Listr<NewCtx, any, any>

Creates a new set of Listr subtasks.

Type Parameters ​

• NewCtx = Ctx

Parameters ​

• task: ListrTask<NewCtx, Renderer, FallbackRenderer> | ListrTask<NewCtx, Renderer, FallbackRenderer>[] | (parent) => ListrTask<NewCtx, Renderer, FallbackRenderer> | ListrTask<NewCtx, Renderer, FallbackRenderer>[]

• options?: ListrSubClassOptions<NewCtx, Renderer, FallbackRenderer>

Returns ​

Listr<NewCtx, any, any>

See ​

https://listr2.kilic.dev/task/subtasks.html

Defined in ​

packages/listr2/src/lib/task-wrapper.ts:62

report() ​

report(error, type): void

Report an error that has to be collected and handled.

Parameters ​

• error: Error

• type: ListrErrorTypes

Returns ​

void

See ​

https://listr2.kilic.dev/task/error-handling.html

Defined in ​

packages/listr2/src/lib/task-wrapper.ts:85

skip() ​

skip(message?, ...metadata?): void

Skip the current task.

Parameters ​

• message?: string

• ...metadata?: any[]

Returns ​

void

See ​

https://listr2.kilic.dev/task/skip.html

Defined in ​

packages/listr2/src/lib/task-wrapper.ts:98

isRetrying() ​

isRetrying(): ListrTaskRetry

Check whether this task is currently in a retry state.

Returns ​

ListrTaskRetry

See ​

https://listr2.kilic.dev/task/retry.html

Defined in ​

packages/listr2/src/lib/task-wrapper.ts:111

prompt() ​

prompt<T>(adapter): T

Create a new prompt for getting user input through the prompt adapter. This will create a new prompt through the adapter if the task is not currently rendering a prompt or will return the active instance.

This part of the application requires optional peer dependencies, please refer to documentation.

Type Parameters ​

• T extends ListrPromptAdapter = ListrPromptAdapter

Parameters ​

• adapter

Returns ​

T

See ​

https://listr2.kilic.dev/task/prompt.html

Defined in ​

packages/listr2/src/lib/task-wrapper.ts:124

stdout() ​

stdout(type?): WritableStream

Generates a fake stdout for your use case, where it will be tunnelled through Listr to handle the rendering process.

Parameters ​

• type?: PROMPT | OUTPUT

Returns ​

WritableStream

See ​

https://listr2.kilic.dev/renderer/process-output.html

Defined in ​

packages/listr2/src/lib/task-wrapper.ts:140

run() ​

run(ctx): Promise<void>

Run this task.

Parameters ​

• ctx: Ctx

Returns ​

Promise<void>

Defined in ​

packages/listr2/src/lib/task-wrapper.ts:155