Milena

A simple and lightweight TypeScript-Class to create CLI-Applications on Node.js.

Installation

Run npm i milena

Import

const milena = require("milena");
const pp = new milena.Prompt();
--> Example: pp.printLine();

Methods

close()

Destroy stdin and exit process if necessary.

Parameters:

• exitProcess:Boolean

Use:

pp.close(true);

choose()

Set prompt which lets the user choose between two options.

Parameters:

• output:string
• charTrue:string
• charFalse:string
• msgTrue:string
• msgFalse:string
• abortOnWrongChar

Use:

let choose = await pp.choose("Choose X(=true) or Y(=false):", "x", "y", "X", "Y", false);
pp.print("Your Input: " + choose);

input()

Set prompt for user-input.

Parameters:

• output:string

Use:

let input = await pp.input("Give me Input >>");
pp.print("Your Input: " + input);

multiSelect()

Set prompt which lets the user select 0 or more options.

Parameters:

• output:string
• options:string[]
• min:number (not activated)

Use:

let options:string[] = ["Option 1", "Option 2", "Option 3"];
let multiselect = await pp.multiSelect("Select Options:", options, 0);
pp.print("Your Input: " + multiselect);

print()

Print output to stdout in default-color (white).

Parameters:

• output:string|number|boolean

Use:

pp.print("Default-Text");

printColorBlack()

Print output to stdout in black color.

Parameters:

• output:string|number|boolean

Use:

pp.printColorBlack("Default-Text");

printColorBlue()

Print output to stdout in blue color.

Parameters:

• output:string|number|boolean

Use:

pp.printColorBlue("Default-Text");

printColorCyan()

Print output to stdout in cyan color.

Parameters:

• output:string|number|boolean

Use:

pp.printColorCyan("Default-Text");

printColorGreen()

Print output to stdout in green color.

Parameters:

• output:string|number|boolean

Use:

pp.printColorGreen("Default-Text");

printColorMagenta()

Print output to stdout in magenta color.

Parameters:

• output:string|number|boolean

Use:

pp.printColorMagenta("Default-Text");

printColorRed()

Print output to stdout in red color.

Parameters:

• output:string|number|boolean

Use:

pp.printColorRed("Default-Text");

printColorWhite()

Print output to stdout in white color.

Parameters:

• output:string|number|boolean

Use:

pp.printColorWhite("Default-Text");

printColorYellow()

Print output to stdout in yellow color.

Parameters:

• output:string|number|boolean

Use:

pp.printColorYellow("Default-Text");

printCommand()

Print output to stdout in command-color (green).

Parameters:

• output:string|number|boolean

Use:

pp.printCommand("Command-Text");

printError()

Print output to stdout in error-color (red).

Parameters:

• output:string|number|boolean

Use:

pp.printError("Error-Text");

printInput()

Print output to stdout in input-color (white).

Parameters:

• output:string|number|boolean

Use:

pp.printInput("Input-Text");

printLine()

Print a line to stdout in line-color (white). Line-width is defined in /lib/config.json

Parameters:

• NONE

Use:

pp.printLine();

printOption()

Print output to stdout in option-color (yellow).

Parameters:

• output:string|number|boolean

Use:

pp.printOption("Option-Text");

printSelected()

Print output to stdout in selected-color (cyan).

Parameters:

• output:string|number|boolean

Use:

pp.printSelected("Selected-Text");

printTitle()

Print output to stdout in title-color (magenta).

Parameters:

• output:string|number|boolean

Use:

pp.printTitle("Title-Text");

select()

Set prompt which lets the user select one option.

Parameters:

• output:string
• options:string[]

Use:

let options:string[] = ["Option 1", "Option 2", "Option 3"];
let select = await pp.select("Select one Option:", options);
pp.print("Your Input: " + select);

Colors

All colors are defined in /lib/config.json

Async/Await

In most cases, a CLI-Application needs to wait for User-Input, like in the Examples above. It is also possible, to use the methods without "await" for asynchronous and non-blocking code.

Parameters

None

Export-Methods

getInputDataTypes()

Gets back the following Types

• Array
• Boolean
• Number
• String

Parameters:

• none

Use:

import{getInputDataTypes} from "milena";

let types:string[] = getInputDataTypes();

getInputTypes()

Gets back the following Types

• Choose
• Input
• MultiSelect
• Select

Parameters:

• none

Use:

import{getInputTypes} from "milena";

let types:string[] = getInputTypes();