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import Enquirer from 'enquirer';
import { Subject, Observable } from 'rxjs';
import { Writable, Readable } from 'stream';
import { WriteStream } from 'fs';
interface BasePromptOptions {
message: string | (() => string) | (() => Promise<string>);
initial?: boolean | number | number[] | string | (() => string) | (() => Promise<string>);
required?: boolean;
stdin?: NodeJS.ReadStream;
stdout?: NodeJS.WriteStream;
header?: string;
footer?: string;
skip?: (value: any) => boolean | Promise<boolean>;
format?: (value: any) => any | Promise<any>;
result?: (value: any) => any | Promise<any>;
validate?: (value: any, state: any) => boolean | Promise<boolean> | string | Promise<string> | Promise<string | boolean>;
onSubmit?: (name: any, value: any, prompt: Enquirer.Prompt) => boolean | Promise<boolean>;
onCancel?: (name: any, value: any, prompt: Enquirer.Prompt) => boolean | Promise<boolean>;
}
interface BasePromptOptionsWithName extends BasePromptOptions {
name: string | (() => string);
}
interface ArrayPromptOptions extends BasePromptOptions {
choices: string[] | BasePromptOptionsWithName[];
maxChoices?: number;
multiple?: boolean;
initial?: number | number[];
delay?: number;
separator?: boolean;
sort?: boolean;
linebreak?: boolean;
edgeLength?: number;
align?: 'left' | 'right';
scroll?: boolean;
hint?: string;
}
interface BooleanPromptOptions extends BasePromptOptions {
initial?: boolean | (() => string) | (() => Promise<string>);
}
interface StringPromptOptions extends BasePromptOptions {
initial?: string;
multiline?: boolean;
}
interface ScalePromptOptions extends ArrayPromptOptions {
scale: StringPromptOptions[];
margin?: [number, number, number, number];
}
interface NumberPromptOptions extends BasePromptOptions {
min?: number;
max?: number;
delay?: number;
float?: boolean;
round?: boolean;
major?: number;
minor?: number;
initial?: number;
}
interface SnippetPromptOptions extends BasePromptOptions {
newline?: string;
fields: Partial<BasePromptOptionsWithName>[];
template: string;
}
interface SortPromptOptions extends BasePromptOptions {
hint?: string;
drag?: boolean;
numbered?: boolean;
}
interface SurveyPromptOptions extends ArrayPromptOptions {
scale: BasePromptOptionsWithName[];
margin: [number, number, number, number];
}
interface QuizPromptOptions extends ArrayPromptOptions {
correctChoice: number;
}
interface TogglePromptOptions extends BasePromptOptions {
enabled?: string;
disabled?: string;
}
/** Returns all the prompt options depending on the type selected. */
type PromptOptions<T extends boolean = false> = Unionize<{
[K in PromptTypes]-?: T extends true ? {
type: K;
} & PromptOptionsType<K> & {
name: string | (() => string);
} : {
type: K;
} & PromptOptionsType<K>;
}> | ({
type: string;
} & T extends true ? PromptOptionsType<string> & {
name: string | (() => string);
} : PromptOptionsType<string>);
type Unionize<T extends Record<PropertyKey, unknown>> = {
[P in keyof T]: T[P];
}[keyof T];
type PromptTypes = 'AutoComplete' | 'BasicAuth' | 'Confirm' | 'Editable' | 'Form' | 'Input' | 'Invisible' | 'List' | 'MultiSelect' | 'Numeral' | 'Password' | 'Quiz' | 'Scale' | 'Select' | 'Snippet' | 'Sort' | 'Survey' | 'Text' | 'Toggle';
type PromptOptionsType<T> = T extends keyof PromptOptionsMap ? PromptOptionsMap[T] : T extends string ? BasePromptOptions & Record<PropertyKey, unknown> : any;
declare class PromptOptionsMap implements Record<PromptTypes, Record<PropertyKey, any>> {
AutoComplete: ArrayPromptOptions;
BasicAuth: StringPromptOptions;
Confirm: BooleanPromptOptions;
Editable: ArrayPromptOptions;
Form: ArrayPromptOptions;
Input: StringPromptOptions;
Invisible: StringPromptOptions;
List: ArrayPromptOptions;
MultiSelect: ArrayPromptOptions;
Numeral: NumberPromptOptions;
Password: StringPromptOptions;
Quiz: QuizPromptOptions;
Scale: ScalePromptOptions;
Select: ArrayPromptOptions;
Snippet: SnippetPromptOptions;
Sort: SortPromptOptions;
Survey: SurveyPromptOptions;
Text: StringPromptOptions;
Toggle: TogglePromptOptions;
}
interface PromptSettings {
error?: boolean;
cancelCallback?: (settings?: PromptSettings) => string | Error | PromptError | void;
stdout?: WriteStream | Writable;
enquirer?: Enquirer;
}
interface PromptInstance extends Omit<BasePromptOptions, 'onCancel' | 'onSubmit'> {
submit: () => void;
cancel: (err?: string) => void;
}
/**
* Extend the task to have more functionality while accessing from the outside.
*/
declare class TaskWrapper<Ctx, Renderer extends ListrRendererFactory> {
task: Task<Ctx, ListrRendererFactory>;
errors: ListrError<Ctx>[];
private options;
constructor(task: Task<Ctx, ListrRendererFactory>, errors: ListrError<Ctx>[], options: ListrBaseClassOptions<Ctx, any, any>);
/** Get the title of the current task. */
get title(): string;
/** Change the title of the current task. */
set title(data: string);
/** Get the output from the output channel. */
get output(): string;
/** Send a output to the output channel. */
set output(data: string);
/** Create a new subtask with given renderer selection from the parent task. */
newListr<NewCtx = Ctx>(task: ListrTask<NewCtx, Renderer> | ListrTask<NewCtx, Renderer>[] | ((parent: Omit<this, 'skip' | 'enabled'>) => ListrTask<NewCtx, Renderer> | ListrTask<NewCtx, Renderer>[]), options?: ListrSubClassOptions<NewCtx, Renderer>): Listr<NewCtx, any, any>;
/** Report a error in process for error collection. */
report(error: Error, type: ListrErrorTypes): void;
/** Skip current task. */
skip(message?: string): void;
/** Get the number of retrying, else returns false */
isRetrying(): Task<Ctx, Renderer>['retry'];
/**
* Create a new Enquirer prompt using prompt options.
*
* Since process.stdout is controlled by Listr, this will passthrough all Enquirer data through internal stdout.
*/
prompt<T = any>(options: PromptOptions | PromptOptions<true>[]): Promise<T>;
/** Cancels the current prompt attach to this task. */
cancelPrompt(throwError?: boolean): void;
/**
* Pass stream of data to internal stdout.
*
* Since Listr2 takes control of process.stdout utilizing the default renderer, any data outputted to process.stdout
* will corrupt its looks.
*
* This returns a fake stream to pass any stream inside Listr as task data.
*/
stdout(): NodeJS.WriteStream & NodeJS.WritableStream;
/** Run this task. */
run(ctx: Ctx): Promise<void>;
}
/** Available task states. */
declare enum ListrTaskState {
PENDING = "PENDING",
COMPLETED = "COMPLETED",
FAILED = "FAILED",
SKIPPED = "SKIPPED",
ROLLING_BACK = "ROLLING_BACK",
ROLLED_BACK = "ROLLED_BACK",
RETRY = "RETRY"
}
/**
* Create a task from the given set of variables and make it runnable.
*/
declare class Task<Ctx, Renderer extends ListrRendererFactory> extends Subject<ListrEvent> {
listr: Listr<Ctx, any, any>;
tasks: ListrTask<Ctx, any>;
options: ListrOptions;
rendererOptions: ListrGetRendererOptions<Renderer>;
/** Unique id per task, randomly generated in the uuid v4 format */
id: string;
/** The current state of the task. */
state: string;
/** The task object itself, to further utilize it. */
task: (ctx: Ctx, task: TaskWrapper<Ctx, Renderer>) => void | ListrTaskResult<Ctx>;
/** Extend current task with multiple subtasks. */
subtasks: Task<Ctx, any>[];
/** Title of the task */
title?: string;
/** Untouched unchanged title of the task */
initialTitle?: string;
/** Output data from the task. */
output?: string;
/** Skip current task. */
skip: boolean | string | ((ctx: Ctx) => boolean | string | Promise<boolean | string>);
/** Current retry number of the task if retrying */
retry?: {
count: number;
withError?: any;
};
/**
* A channel for messages.
*
* This requires a separate channel for messages like error, skip or runtime messages to further utilize in the renderers.
*/
message: {
/** Run time of the task, if it has been successfully resolved. */
duration?: number;
/** Error message of the task, if it has been failed. */
error?: string;
/** Skip message of the task, if it has been skipped. */
skip?: string;
/** Rollback message of the task, if the rollback finishes */
rollback?: string;
/** Retry messages */
retry?: {
count: number;
withError?: any;
};
};
/** Per task options for the current renderer of the task. */
rendererTaskOptions: ListrGetRendererTaskOptions<Renderer>;
/** This will be triggered each time a new render should happen. */
renderHook$: Subject<void>;
prompt: undefined | PromptInstance | PromptError;
private enabled;
private enabledFn;
constructor(listr: Listr<Ctx, any, any>, tasks: ListrTask<Ctx, any>, options: ListrOptions, rendererOptions: ListrGetRendererOptions<Renderer>);
set state$(state: ListrTaskState);
set output$(data: string);
set message$(data: Task<Ctx, Renderer>['message']);
set title$(title: string);
/**
* A function to check whether this task should run at all via enable.
*/
check(ctx: Ctx): Promise<void>;
/** Returns whether this task has subtasks. */
hasSubtasks(): boolean;
/** Returns whether this task is in progress. */
isPending(): boolean;
/** Returns whether this task is skipped. */
isSkipped(): boolean;
/** Returns whether this task has been completed. */
isCompleted(): boolean;
/** Returns whether this task has been failed. */
hasFailed(): boolean;
/** Returns whether this task has an active rollback task going on. */
isRollingBack(): boolean;
/** Returns whether the rollback action was successful. */
hasRolledBack(): boolean;
/** Returns whether this task has an actively retrying task going on. */
isRetrying(): boolean;
/** Returns whether enabled function resolves to true. */
isEnabled(): boolean;
/** Returns whether this task actually has a title. */
hasTitle(): boolean;
/** Returns whether this task has a prompt inside. */
isPrompt(): boolean;
/** Run the current task. */
run(context: Ctx, wrapper: TaskWrapper<Ctx, Renderer>): Promise<void>;
}
/** Default updating renderer for Listr2 */
declare class DefaultRenderer implements ListrRenderer {
tasks: Task<any, typeof DefaultRenderer>[];
options: (typeof DefaultRenderer)['rendererOptions'];
renderHook$?: Task<any, any>['renderHook$'];
/** designates whether this renderer can output to a non-tty console */
static nonTTY: boolean;
/** renderer options for the defauult renderer */
static rendererOptions: {
/**
* indentation per level of subtask
*
* @default 2
*/
indentation?: number;
/**
* clear all the output generated by the renderer when the task finishes its execution
*
* @default false
* @global global option that can not be temperated with subtasks
*/
clearOutput?: boolean;
/**
* show the subtasks of the current task
*
* @default true
*/
showSubtasks?: boolean;
/**
* collapse subtasks after current task completes its execution
*
* @default true
*/
collapse?: boolean;
/**
* show skip messages or show the original title of the task, this will also disable collapseSkips mode
*
* You can disable showing the skip messages, even though you passed in a message by settings this option,
* if you want to keep the original task title intact.
*
* @default true
*/
showSkipMessage?: boolean;
/**
* collapse skip messages into a single message and overwrite the task title
*
* @default true
*/
collapseSkips?: boolean;
/**
* suffix skip messages with [SKIPPED] when in collapseSkips mode
*
* @default true
*/
suffixSkips?: boolean;
/**
* shows the thrown error message or show the original title of the task, this will also disable collapseErrors mode
* You can disable showing the error messages, even though you passed in a message by settings this option,
* if you want to keep the original task title intact.
*
* @default true
*/
showErrorMessage?: boolean;
/**
* collapse error messages into a single message and overwrite the task title
*
* @default true
*/
collapseErrors?: boolean;
/**
* suffix retry messages with [RETRY-${COUNT}] when retry is enabled for a task
*
* @default true
*/
suffixRetries?: boolean;
/**
* only update through triggers from renderhook
*
* useful for tests and stuff. this will disable showing spinner and only update the screen if something else has
* happened in the task worthy to show
*
* @default false
* @global global option that can not be temperated with subtasks
*/
lazy?: boolean;
/**
* show duration for all tasks
*
* @default false
* @global global option that can not be temperated with subtasks
*/
showTimer?: boolean;
/**
* removes empty lines from the data output
*
* @default true
*/
removeEmptyLines?: boolean;
/**
* formats data output depending on your requirements.
*
* @default 'truncate'
* @global global option that can not be temperated with subtasks
*/
formatOutput?: 'truncate' | 'wrap';
};
/** per task options for the default renderer */
static rendererTaskOptions: {
/**
* write task output to the bottom bar instead of the gap under the task title itself.
* useful for a stream of data.
* @default false
*
* `true` only keep 1 line of the latest data outputted by the task.
* `false` only keep 1 line of the latest data outputted by the task.
* `number` will keep designated data of the latest data outputted by the task.
*/
bottomBar?: boolean | number;
/**
* keep output after task finishes
* @default false
*
* works both for the bottom bar and the default behavior
*/
persistentOutput?: boolean;
/**
* show the task time if it was successful
*/
showTimer?: boolean;
};
private id?;
private bottomBar;
private promptBar;
private readonly spinner;
private spinnerPosition;
constructor(tasks: Task<any, typeof DefaultRenderer>[], options: (typeof DefaultRenderer)['rendererOptions'], renderHook$?: Task<any, any>['renderHook$']);
getTaskOptions(task: Task<any, typeof DefaultRenderer>): (typeof DefaultRenderer)['rendererTaskOptions'];
isBottomBar(task: Task<any, typeof DefaultRenderer>): boolean;
hasPersistentOutput(task: Task<any, typeof DefaultRenderer>): boolean;
hasTimer(task: Task<any, typeof DefaultRenderer>): boolean;
getSelfOrParentOption<T extends keyof (typeof DefaultRenderer)['rendererOptions']>(task: Task<any, typeof DefaultRenderer>, key: T): (typeof DefaultRenderer)['rendererOptions'][T];
getTaskTime(task: Task<any, typeof DefaultRenderer>): string;
createRender(options?: {
tasks?: boolean;
bottomBar?: boolean;
prompt?: boolean;
}): string;
render(): void;
end(): void;
private multiLineRenderer;
private renderBottomBar;
private renderPrompt;
private dumpData;
private formatString;
private indentMultilineOutput;
private getSymbol;
private addSuffixToMessage;
}
declare class SilentRenderer implements ListrRenderer {
tasks: Task<any, typeof SilentRenderer>[];
options: typeof SilentRenderer['rendererOptions'];
/** designates whether this renderer can output to a non-tty console */
static nonTTY: boolean;
/** renderer options for the silent renderer */
static rendererOptions: never;
/** per task options for the silent renderer */
static rendererTaskOptions: never;
constructor(tasks: Task<any, typeof SilentRenderer>[], options: typeof SilentRenderer['rendererOptions']);
render(): void;
end(): void;
}
/** Type of listr internal events. */
declare enum ListrEventType {
TITLE = "TITLE",
STATE = "STATE",
ENABLED = "ENABLED",
SUBTASK = "SUBTASK",
DATA = "DATA",
MESSAGE = "MESSAGE"
}
/**
* This is the default renderer which is neither verbose or updating.
* It provides short output like update renderer, but does not disturb
* stdin during execution of listr tasks
*/
declare class SimpleRenderer implements ListrRenderer {
readonly tasks: Task<any, typeof SimpleRenderer>[];
options: typeof SimpleRenderer['rendererOptions'];
static nonTTY: boolean;
static rendererOptions: {
/**
* if true this will add
* timestamp at the begin of the rendered line
*
* @example
*
* ```bash
* [12:33:44] ✔ Do something important
* ```
*
* @default false
*/
prefixWithTimestamp?: boolean;
/**
* choose between process.stdout and process.stderr
*
* @default stdout
*/
output?: 'stdout' | 'stderr';
};
static rendererTaskOptions: never;
/**
* Event type renderer map contains functions to process different task events
*/
eventTypeRendererMap: Partial<{
[P in ListrEventType]: (t: Task<any, typeof SimpleRenderer>, event: ListrEventFromType<P>) => void;
}>;
constructor(tasks: Task<any, typeof SimpleRenderer>[], options: typeof SimpleRenderer['rendererOptions']);
static now(): Date;
static formatTitle(task?: Task<any, typeof SimpleRenderer>): string;
log(output?: string): void;
end(): void;
render(tasks?: Task<any, typeof SimpleRenderer>[]): void;
}
/** Default loglevels for the logger */
declare enum LogLevels {
SILENT = "SILENT",
FAILED = "FAILED",
SKIPPED = "SKIPPED",
SUCCESS = "SUCCESS",
DATA = "DATA",
STARTED = "STARTED",
TITLE = "TITLE",
RETRY = "RETRY",
ROLLBACK = "ROLLBACK"
}
/**
* Options for the logger
*/
interface LoggerOptions {
useIcons: boolean;
}
/**
* A internal logger for using in the verbose renderer mostly.
*/
declare class Logger {
private options?;
constructor(options?: LoggerOptions);
fail(message: string): void;
skip(message: string): void;
success(message: string): void;
data(message: string): void;
start(message: string): void;
title(message: string): void;
retry(message: string): void;
rollback(message: string): void;
protected parseMessage(level: LogLevels, message: string): string;
protected logColoring({ level, message }: {
level: LogLevels;
message: string;
}): string;
private wrapInBrackets;
}
declare class VerboseRenderer implements ListrRenderer {
tasks: Task<any, typeof VerboseRenderer>[];
options: typeof VerboseRenderer['rendererOptions'];
/** designates whether this renderer can output to a non-tty console */
static nonTTY: boolean;
/** renderer options for the verbose renderer */
static rendererOptions: ({
/**
* useIcons instead of text for log level
* @default false
*/
useIcons?: boolean;
/**
* log tasks with empty titles
* @default true
*/
logEmptyTitle?: boolean;
/**
* log title changes
* @default true
*/
logTitleChange?: boolean;
/**
* show duration for all tasks
*/
showTimer?: boolean;
} & {
/**
* inject a custom logger
*/
logger?: new (...args: any) => Logger;
/**
* inject options to custom logger
*/
options?: any;
});
/** per task options for the verbose renderer */
static rendererTaskOptions: never;
private logger;
constructor(tasks: Task<any, typeof VerboseRenderer>[], options: typeof VerboseRenderer['rendererOptions']);
render(): void;
end(): void;
private verboseRenderer;
}
/** The default renderer value used in Listr2 applications */
type ListrDefaultRendererValue = 'default';
/** Type of default renderer */
type ListrDefaultRenderer = typeof DefaultRenderer;
/** Name of default fallback renderer */
type ListrFallbackRendererValue = 'verbose';
/** Type of default fallback renderer */
type ListrFallbackRenderer = typeof VerboseRenderer;
/** Silent rendere for internal usage */
type ListrSilentRendererValue = 'silent';
/** Typeof silent renderer */
type ListrSilentRenderer = typeof SilentRenderer;
/** Simple renderer that simplifies things */
type ListrSimpleRendererValue = 'simple';
/** Typeof simple renderer */
type ListrSimpleRenderer = typeof SimpleRenderer;
/**
* Listr2 can process either the integrated renderers as string aliases,
* or utilize a compatible style renderer that extends the ListrRenderer abstract class.
*/
type ListrRendererValue = ListrSilentRendererValue | ListrDefaultRendererValue | ListrSimpleRendererValue | ListrFallbackRendererValue | ListrRendererFactory;
/**
* Returns the class type from friendly names of the renderers.
*/
type ListrGetRendererClassFromValue<T extends ListrRendererValue> = T extends ListrDefaultRendererValue ? ListrDefaultRenderer : T extends ListrSimpleRendererValue ? ListrSimpleRenderer : T extends ListrFallbackRendererValue ? ListrFallbackRenderer : T extends ListrSilentRenderer ? ListrSilentRenderer : T extends ListrRendererFactory ? T : never;
/**
* Returns the friendly names from the type of renderer classes.
*/
type ListrGetRendererValueFromClass<T extends ListrRendererFactory> = T extends DefaultRenderer ? ListrDefaultRendererValue : T extends SimpleRenderer ? ListrSimpleRendererValue : T extends VerboseRenderer ? ListrFallbackRendererValue : T extends SilentRenderer ? ListrSilentRenderer : T extends ListrRendererFactory ? T : never;
/**
* Returns renderer global options depending on the renderer type.
*/
type ListrGetRendererOptions<T extends ListrRendererValue> = T extends ListrDefaultRendererValue ? ListrDefaultRenderer['rendererOptions'] : T extends ListrSimpleRendererValue ? ListrSimpleRenderer['rendererOptions'] : T extends ListrFallbackRendererValue ? ListrFallbackRenderer['rendererOptions'] : T extends ListrSilentRenderer ? ListrSilentRenderer['rendererOptions'] : T extends ListrRendererFactory ? T['rendererOptions'] : never;
/**
* Returns renderer per task options depending on the renderer type.
*/
type ListrGetRendererTaskOptions<T extends ListrRendererValue> = T extends ListrDefaultRendererValue ? ListrDefaultRenderer['rendererTaskOptions'] : T extends ListrSimpleRendererValue ? ListrSimpleRenderer : T extends ListrFallbackRendererValue ? ListrFallbackRenderer['rendererTaskOptions'] : T extends ListrSilentRenderer ? ListrSilentRenderer['rendererTaskOptions'] : T extends ListrRendererFactory ? T['rendererTaskOptions'] : never;
/** Select renderer as default renderer */
interface ListrDefaultRendererOptions<T extends ListrRendererValue> {
/** the default renderer */
renderer?: T;
/** Renderer options depending on the current renderer */
rendererOptions?: ListrGetRendererOptions<T>;
}
/** Select a fallback renderer to fallback to in non-tty conditions */
interface ListrDefaultNonTTYRendererOptions<T extends ListrRendererValue> {
/** the fallback renderer to fallback to on non-tty conditions */
nonTTYRenderer?: T;
/** Renderer options depending on the current renderer */
nonTTYRendererOptions?: ListrGetRendererOptions<T>;
}
/** Renderer options for the base class, including setup for selecting default and fallback renderers. */
type ListrRendererOptions<Renderer extends ListrRendererValue, FallbackRenderer extends ListrRendererValue> = ListrDefaultRendererOptions<Renderer> & ListrDefaultNonTTYRendererOptions<FallbackRenderer>;
/** The bones of a listr renderer. */
declare class ListrRenderer {
/** designate renderer global options that is specific to the current renderer */
static rendererOptions: Record<PropertyKey, any>;
/** designate renderer per task options that is specific to the current renderer */
static rendererTaskOptions: Record<PropertyKey, any>;
/** designate whether this renderer can work in non-tty environments */
static nonTTY: boolean;
/** A function to what to do on render */
render: () => void;
/** A function to what to do on end of the render */
end: (err?: Error) => void;
/** create a new renderer */
constructor(tasks: readonly Task<any, ListrRendererFactory>[], options: typeof ListrRenderer.rendererOptions, renderHook$?: Subject<void>);
}
/** Exported for javascript applications to extend the base renderer */
declare class ListrBaseRenderer implements ListrRenderer {
static rendererOptions: Record<PropertyKey, any>;
static rendererTaskOptions: Record<PropertyKey, any>;
static nonTTY: boolean;
tasks: Task<any, typeof ListrBaseRenderer>[];
options: typeof ListrBaseRenderer.rendererOptions;
render: () => void;
end: (err?: Error) => void;
constructor(tasks: Task<any, typeof ListrBaseRenderer>[], options: typeof ListrBaseRenderer.rendererOptions);
}
/** A renderer factory from the current type */
type ListrRendererFactory = typeof ListrRenderer;
/** Supported type of renderers for each type in the listr. */
interface SupportedRenderer {
renderer: ListrRendererFactory;
nonTTY: boolean;
}
/** Listr Default Context */
type ListrContext = any | undefined;
/**
* ListrTask.
*
* Defines the task, conditions and options to run a specific task in the listr.
*/
interface ListrTask<Ctx = ListrContext, Renderer extends ListrRendererFactory = any> {
/**
* Title of the task.
*
* Give this task a title if you want to track it by name in the current renderer.
*
* Tasks without a title will hide in the default renderer and are useful for running a background instance.
* On verbose renderer, state changes from these tasks will log as 'Task without a title.'
*/
title?: string;
/**
* The task itself.
*
* Task can be a sync or async function, an Observable, or a Stream.
* Task will be executed, if the certain criteria of the state are met and whenever the time for that specific task has come.
*/
task: (ctx: Ctx, task: TaskWrapper<Ctx, Renderer>) => void | ListrTaskResult<Ctx>;
/**
* Skip this task depending on the context.
*
* The function that has been passed in will be evaluated at the runtime when the task tries to initially run.
*/
skip?: boolean | string | ((ctx: Ctx) => boolean | string | Promise<boolean | string>);
/**
* Enable a task depending on the context.
*
* The function that has been passed in will be evaluated at the initial creation of the Listr class for rendering purposes,
* as well as re-evaluated when the time for that specific task has come.
*/
enabled?: boolean | ((ctx: Ctx) => boolean | Promise<boolean>);
/**
* Adds the given number of retry attempts to the task if the task fails.
*/
retry?: number;
/**
* Runs a specific event if the current task or any of the subtasks has failed.
*
* Mostly useful for rollback purposes for subtasks.
* But can also be useful whenever a task is failed and some measures have to be taken to ensure the state is not changed.
*/
rollback?: (ctx: Ctx, task: TaskWrapper<Ctx, Renderer>) => void | ListrTaskResult<Ctx>;
/**
* Set exit on the error option from task-level instead of setting it for all the subtasks.
*/
exitOnError?: boolean | ((ctx: Ctx) => boolean | Promise<boolean>);
/**
* Per task options, that depends on the selected renderer.
*
* These options depend on the implementation of the selected renderer. If the selected renderer has no options it will
* be displayed as never.
*/
options?: ListrGetRendererTaskOptions<Renderer>;
}
/**
* Options to set the behavior of this base task.
*/
interface ListrOptions<Ctx = ListrContext> {
/**
* To inject a context through this options wrapper. Context can also be defined in run time.
*
* @default {}
*/
ctx?: Ctx;
/**
* Concurrency sets how many tasks will be run at the same time in parallel.
*
* @default false > Default is to run everything synchronously.
*
* `true` will set it to `Infinity`, `false` will set it to synchronous.
*
* If you pass in a `number` it will limit it to that number.
*/
concurrent?: boolean | number;
/**
* Determine the default behavior of exiting on errors.
*
* @default true > exit on any error coming from the tasks.
*/
exitOnError?: boolean;
/**
* Determine the behavior of exiting after rollback actions.
*
* This is independent of exitOnError, since failure of a rollback can be a more critical operation comparing to
* failing a single task.
*
* @default true > exit after rolling back tasks
*/
exitAfterRollback?: boolean;
/**
* Collects errors to `ListrInstance.errors`
*
* This can take up a lot of memory, so disabling it can fix out-of-memory errors
*
* - 'full' will clone the current context and task in to the error instance
* - 'minimal' will only collect the error message and the location
* - false will collect no errors
*
* @default 'minimal'
*/
collectErrors?: false | 'minimal' | 'full';
/**
* By default, Listr2 will track SIGINIT signal to update the renderer one last time before completely failing.
*
* @default true
*/
registerSignalListeners?: boolean;
/**
* Determine the certain condition required to use the non-TTY renderer.
*
* @default null > handled internally
*/
rendererFallback?: boolean | (() => boolean);
/**
* Determine the certain condition required to use the silent renderer.
*
* @default null > handled internally
*/
rendererSilent?: boolean | (() => boolean);
/**
* Disabling the color, useful for tests and such.
*
* @default false
*/
disableColor?: boolean;
/**
* Inject data directly to TaskWrapper.
*/
injectWrapper?: {
enquirer?: Enquirer<object>;
};
}
/**
* Task can be set of sync or async function, an Observable or a stream.
*/
type ListrTaskResult<Ctx> = string | Promise<any> | Listr<Ctx, ListrRendererValue, any> | Readable | NodeJS.ReadableStream | Observable<any>;
/**
* Parent class options.
*
* Parent class has more options where you can also select the and set renderer and non-tty renderer.
*
* Any subtasks will respect those options so they will be stripped of that properties.
*/
type ListrBaseClassOptions<Ctx = ListrContext, Renderer extends ListrRendererValue = ListrDefaultRendererValue, FallbackRenderer extends ListrRendererValue = ListrFallbackRendererValue> = ListrOptions<Ctx> & ListrDefaultRendererOptions<Renderer> & ListrDefaultNonTTYRendererOptions<FallbackRenderer>;
/**
* Sub class options.
*
* Subtasks has reduced set options where the missing ones are explicitly set by the base class.
*/
type ListrSubClassOptions<Ctx = ListrContext, Renderer extends ListrRendererValue = ListrDefaultRendererValue> = ListrOptions<Ctx> & Omit<ListrDefaultRendererOptions<Renderer>, 'renderer'>;
/** The internal communication event. */
type ListrEvent = {
type: Exclude<ListrEventType, 'MESSAGE' | 'DATA'>;
data?: string | boolean;
} | {
type: ListrEventType.DATA;
data: string;
} | {
type: ListrEventType.MESSAGE;
data: Task<any, any>['message'];
};
/**
* Used to match event.type to ListrEvent permutations
*/
type ListrEventFromType<T extends ListrEventType, E = ListrEvent> = E extends {
type: infer U;
} ? T extends U ? E : never : never;
/** The internal error handling mechanism.. */
declare class ListrError<Ctx extends ListrContext = ListrContext> extends Error {
error: Error;
type: ListrErrorTypes;
task: Task<Ctx, ListrRendererFactory>;
path: string;
ctx: Ctx;
constructor(error: Error, type: ListrErrorTypes, task: Task<Ctx, ListrRendererFactory>);
}
/**
* The actual error type that is collected and to help identify where the error is triggered from.
*/
declare enum ListrErrorTypes {
/** Task has failed and will try to retry. */
WILL_RETRY = "WILL_RETRY",
/** Task has failed and will try to rollback. */
WILL_ROLLBACK = "WILL_ROLLBACK",
/** Task has failed, ran the rollback action but the rollback action itself has failed. */
HAS_FAILED_TO_ROLLBACK = "HAS_FAILED_TO_ROLLBACK",
/** Task has failed. */
HAS_FAILED = "HAS_FAILED",
/** Task has failed, but exitOnError is set to false, so will ignore this error. */
HAS_FAILED_WITHOUT_ERROR = "HAS_FAILED_WITHOUT_ERROR"
}
/** The internal error handling mechanism for prompts only. */
declare class PromptError extends Error {
constructor(message: string);
}
/**
* Creates a new set of Listr2 task list.
*/
declare class Listr<Ctx extends ListrContext = ListrContext, Renderer extends ListrRendererValue = ListrDefaultRendererValue, FallbackRenderer extends ListrRendererValue = ListrFallbackRendererValue> {
task: ListrTask<Ctx, ListrGetRendererClassFromValue<Renderer>> | ListrTask<Ctx, ListrGetRendererClassFromValue<Renderer>>[];
options?: ListrBaseClassOptions<Ctx, Renderer, FallbackRenderer>;
parentTask?: Task<any, any>;
tasks: Task<Ctx, ListrGetRendererClassFromValue<Renderer>>[];
err: ListrError<Ctx>[];
ctx: Ctx;
rendererClass: ListrRendererFactory;
rendererClassOptions: ListrGetRendererOptions<ListrRendererFactory>;
renderHook$: Task<any, any>['renderHook$'];
path: string[];
private concurrency;
private renderer;
constructor(task: ListrTask<Ctx, ListrGetRendererClassFromValue<Renderer>> | ListrTask<Ctx, ListrGetRendererClassFromValue<Renderer>>[], options?: ListrBaseClassOptions<Ctx, Renderer, FallbackRenderer>, parentTask?: Task<any, any>);
add(task: ListrTask<Ctx, ListrGetRendererClassFromValue<Renderer>> | ListrTask<Ctx, ListrGetRendererClassFromValue<Renderer>>[]): void;
run(context?: Ctx): Promise<Ctx>;
private checkAll;
private runTask;
}
/**
* Creates a new Listr2 task manager.
*
* Useful for creating a single instance of Listr2 with pre-set settings.
*/
declare class Manager<Ctx = ListrContext, Renderer extends ListrRendererValue = 'default', FallbackRenderer extends ListrRendererValue = 'verbose'> {
options?: ListrBaseClassOptions<Ctx, Renderer, FallbackRenderer>;
err: ListrError[];
private tasks;
constructor(options?: ListrBaseClassOptions<Ctx, Renderer, FallbackRenderer>);
set ctx(ctx: Ctx);
add<InjectCtx = Ctx>(tasks: ListrTask<InjectCtx, ListrGetRendererClassFromValue<Renderer>>[] | ((ctx?: InjectCtx) => ListrTask<InjectCtx, ListrGetRendererClassFromValue<Renderer>>[]), options?: ListrSubClassOptions<InjectCtx, Renderer>): void;
runAll<InjectCtx = Ctx>(options?: ListrBaseClassOptions<InjectCtx, Renderer, FallbackRenderer>): Promise<InjectCtx>;
newListr<InjectCtx, InjectRenderer extends ListrRendererValue = Renderer, InjectFallbackRenderer extends ListrRendererValue = FallbackRenderer>(tasks: ListrTask<InjectCtx, ListrGetRendererClassFromValue<InjectRenderer>>[], options?: ListrBaseClassOptions<InjectCtx, InjectRenderer, InjectFallbackRenderer>): Listr<InjectCtx, InjectRenderer, InjectFallbackRenderer>;
indent<InjectCtx = Ctx>(tasks: ListrTask<InjectCtx, ListrGetRendererClassFromValue<Renderer>>[] | ((ctx?: InjectCtx) => ListrTask<InjectCtx, ListrGetRendererClassFromValue<Renderer>>[]), options?: ListrBaseClassOptions<InjectCtx, Renderer, FallbackRenderer>, taskOptions?: Omit<ListrTask<InjectCtx, ListrGetRendererClassFromValue<Renderer>>, 'task'>): ListrTask<InjectCtx, ListrGetRendererClassFromValue<Renderer>>;
run<InjectCtx = Ctx>(tasks: ListrTask<InjectCtx, ListrGetRendererClassFromValue<Renderer>>[], options?: ListrBaseClassOptions<InjectCtx, Renderer, FallbackRenderer>): Promise<InjectCtx>;
getRuntime(pipetime: number): string;
}
/**
* Create a new prompt with Enquirer externally.
* This extends enquirer so you dont have to give a name to single prompts and such so it is also
* useful to use externally.
* @param this
* @param options
* @param settings
*/
declare function createPrompt(this: any, options: PromptOptions | PromptOptions<true>[], settings?: PromptSettings): Promise<any>;
declare function destroyPrompt(this: TaskWrapper<any, any>, throwError?: boolean): void;
declare const figures: {
warning: string;
cross: string;
arrowDown: string;
tick: string;
arrowRight: string;
pointer: string;
checkboxOn: string;
arrowLeft: string;
squareSmallFilled: string;
pointerSmall: string;
};
export { Listr, ListrBaseClassOptions, ListrBaseRenderer, ListrContext, ListrDefaultNonTTYRendererOptions, ListrDefaultRenderer, ListrDefaultRendererOptions, ListrDefaultRendererValue, ListrError, ListrErrorTypes, ListrEvent, ListrEventFromType, ListrEventType, ListrFallbackRenderer, ListrFallbackRendererValue, ListrGetRendererClassFromValue, ListrGetRendererOptions, ListrGetRendererTaskOptions, ListrGetRendererValueFromClass, ListrOptions, ListrRenderer, ListrRendererFactory, ListrRendererOptions, ListrRendererValue, ListrSilentRenderer, ListrSilentRendererValue, ListrSimpleRenderer, ListrSimpleRendererValue, ListrSubClassOptions, ListrTask, Task as ListrTaskObject, ListrTaskResult, ListrTaskState, TaskWrapper as ListrTaskWrapper, LogLevels, Logger, Manager, PromptError, PromptInstance, PromptOptions, PromptOptionsMap, PromptOptionsType, PromptSettings, PromptTypes, SupportedRenderer, Unionize, createPrompt, destroyPrompt, figures };