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/**
* @since v17.0.0
* @experimental
*/
declare module "readline/promises" {
import { AsyncCompleter, Completer, Direction, Interface as _Interface, ReadLineOptions } from "node:readline";
import { Abortable } from "node:events";
/**
* Instances of the `readlinePromises.Interface` class are constructed using the `readlinePromises.createInterface()` method. Every instance is associated with a
* single `input` `Readable` stream and a single `output` `Writable` stream.
* The `output` stream is used to print prompts for user input that arrives on,
* and is read from, the `input` stream.
* @since v17.0.0
*/
class Interface extends _Interface {
/**
* The `rl.question()` method displays the `query` by writing it to the `output`,
* waits for user input to be provided on `input`, then invokes the `callback` function passing the provided input as the first argument.
*
* When called, `rl.question()` will resume the `input` stream if it has been
* paused.
*
* If the `Interface` was created with `output` set to `null` or `undefined` the `query` is not written.
*
* If the question is called after `rl.close()`, it returns a rejected promise.
*
* Example usage:
*
* ```js
* const answer = await rl.question('What is your favorite food? ');
* console.log(`Oh, so your favorite food is ${answer}`);
* ```
*
* Using an `AbortSignal` to cancel a question.
*
* ```js
* const signal = AbortSignal.timeout(10_000);
*
* signal.addEventListener('abort', () => {
* console.log('The food question timed out');
* }, { once: true });
*
* const answer = await rl.question('What is your favorite food? ', { signal });
* console.log(`Oh, so your favorite food is ${answer}`);
* ```
* @since v17.0.0
* @param query A statement or query to write to `output`, prepended to the prompt.
* @return A promise that is fulfilled with the user's input in response to the `query`.
*/
question(query: string): Promise<string>;
question(query: string, options: Abortable): Promise<string>;
}
/**
* @since v17.0.0
*/
class Readline {
/**
* @param stream A TTY stream.
*/
constructor(
stream: NodeJS.WritableStream,
options?: {
autoCommit?: boolean;
},
);
/**
* The `rl.clearLine()` method adds to the internal list of pending action an
* action that clears current line of the associated `stream` in a specified
* direction identified by `dir`.
* Call `rl.commit()` to see the effect of this method, unless `autoCommit: true` was passed to the constructor.
* @since v17.0.0
* @return this
*/
clearLine(dir: Direction): this;
/**
* The `rl.clearScreenDown()` method adds to the internal list of pending action an
* action that clears the associated stream from the current position of the
* cursor down.
* Call `rl.commit()` to see the effect of this method, unless `autoCommit: true` was passed to the constructor.
* @since v17.0.0
* @return this
*/
clearScreenDown(): this;
/**
* The `rl.commit()` method sends all the pending actions to the associated `stream` and clears the internal list of pending actions.
* @since v17.0.0
*/
commit(): Promise<void>;
/**
* The `rl.cursorTo()` method adds to the internal list of pending action an action
* that moves cursor to the specified position in the associated `stream`.
* Call `rl.commit()` to see the effect of this method, unless `autoCommit: true` was passed to the constructor.
* @since v17.0.0
* @return this
*/
cursorTo(x: number, y?: number): this;
/**
* The `rl.moveCursor()` method adds to the internal list of pending action an
* action that moves the cursor _relative_ to its current position in the
* associated `stream`.
* Call `rl.commit()` to see the effect of this method, unless `autoCommit: true` was passed to the constructor.
* @since v17.0.0
* @return this
*/
moveCursor(dx: number, dy: number): this;
/**
* The `rl.rollback` methods clears the internal list of pending actions without
* sending it to the associated `stream`.
* @since v17.0.0
* @return this
*/
rollback(): this;
}
/**
* The `readlinePromises.createInterface()` method creates a new `readlinePromises.Interface` instance.
*
* ```js
* const readlinePromises = require('node:readline/promises');
* const rl = readlinePromises.createInterface({
* input: process.stdin,
* output: process.stdout,
* });
* ```
*
* Once the `readlinePromises.Interface` instance is created, the most common case
* is to listen for the `'line'` event:
*
* ```js
* rl.on('line', (line) => {
* console.log(`Received: ${line}`);
* });
* ```
*
* If `terminal` is `true` for this instance then the `output` stream will get
* the best compatibility if it defines an `output.columns` property and emits
* a `'resize'` event on the `output` if or when the columns ever change
* (`process.stdout` does this automatically when it is a TTY).
* @since v17.0.0
*/
function createInterface(
input: NodeJS.ReadableStream,
output?: NodeJS.WritableStream,
completer?: Completer | AsyncCompleter,
terminal?: boolean,
): Interface;
function createInterface(options: ReadLineOptions): Interface;
}
declare module "node:readline/promises" {
export * from "readline/promises";
}