DefinitelyTyped/types/console-ui/index.d.ts

94 lines
3.1 KiB
TypeScript

// Type definitions for console-ui 2.2
// Project: https://github.com/ember-cli/console-ui#readme
// Definitions by: Dan Freeman <https://github.com/dfreeman>
// Definitions: https://github.com/DefinitelyTyped/DefinitelyTyped
// TypeScript Version: 2.3
import { Readable, Writable } from 'stream';
import { Questions } from 'inquirer';
type WriteLevel = 'DEBUG' | 'INFO' | 'WARNING' | 'ERROR';
export = UI;
/**
* The UI provides the CLI with a unified mechanism for providing output and
* requesting input from the user. This becomes useful when wanting to adjust
* logLevels, or mock input/output for tests.
*/
declare class UI {
constructor(options?: {
inputStream?: Readable;
outputStream?: Writable;
errorStream?: Writable;
writeLevel?: WriteLevel;
ci?: boolean;
});
/**
* Unified mechanism to write a string to the console.
* Optionally include a writeLevel, this is used to decide if the specific
* logging mechanism should or should not be printed.
*/
write(message: string, level?: WriteLevel): void;
/**
* Unified mechanism to write a string and new line to the console.
* Optionally include a writeLevel, this is used to decide if the specific
* logging mechanism should or should not be printed.
*/
writeLine(message: string, level?: WriteLevel): void;
/**
* Helper method to write a string with the DEBUG writeLevel and gray chalk
*/
writeDebugLine(message: string): void;
/**
* Helper method to write a string with the INFO writeLevel and cyan chalk
*/
writeInfoLine(message: string): void;
/**
* Helper method to write a string with the WARNING writeLevel and yellow chalk.
* Optionally include a test. If falsy, the warning will be printed. By default, warnings
* will be prepended with WARNING text when printed.
*/
writeWarnLine(message: string, test?: boolean, prepend?: boolean): void;
/**
* Helper method to write a string with the WARNING writeLevel and yellow chalk.
* Optionally include a test. If falsy, the deprecation will be printed. By default deprecations
* will be prepended with DEPRECATION text when printed.
*/
writeDeprecateLine(message: string, test?: boolean, prepend?: boolean): void;
/**
* Unified mechanism to an Error to the console.
* This will occure at a writeLevel of ERROR
*/
writeError(error: object): void;
/**
* Sets the write level for the UI. Valid write levels are 'DEBUG', 'INFO',
* 'WARNING', and 'ERROR'.
*/
setWriteLevel(level: WriteLevel): void;
/**
* Begins a progress spinner with a message (only if the INFO write level is visible).
*/
startProgress(message: string): void;
/**
* Ends the current progress spinner.
*/
stopProgress(): void;
/**
* Launch the prompt interface (inquiry session) with (Array of Questions || Question)
* See [Inquirer.js#question](https://github.com/SBoudrias/Inquirer.js#question) for Question properties
*/
prompt<T>(questions: Questions<T>, callback?: (answers: T) => void): Promise<T>;
}