Project Title

A brief description of what this project does and who it's for

Interflow

A npm package for console control.

Installation

Install interflow with npm

  npm install interflow

Features

• logging with timestamp, warning, info, error, debug and success
• logging with colors
• string input, bool input and option input
• key event system
• cursor control: setPosition, getPosition
• clear console/line
• customizable progressbar

Usage/Examples

Hello World

import {Interflow} from 'interflow'
import {stdin, stdout} from 'node:process'

async function main() {
  const interflow = new Interflow(stdin, stdout)
  interflow.log("Hello World")
}

main()

Output

Hello World

Input

const interflow = new Interflow(stdin, stdout)

await interflow.input("Whats your name? ", (input) => {
  interflow.log("Hello", input)
})

Output

What is your name? (Interflow)
Hello (Interflow)

Colors

import {Interflow, InterflowColor} from 'interflow'

const interflow = new Interflow(stdin, stdout)

interflow.log(
  InterflowColor.red("Something in red!")
)

Output

Something in red! (it's red trust me)

Key input

const interflow = new Interflow(stdin, stdout)

interflow.on("key", (key) => {
  interflow.log(key.bytes, key.code(), key.value())
})

Output

(key press "a")
97 a a

(key press "arrow up")
27,91,65 up (value is empty since its not a visible char)

Documentation

Interflow

Config

const interflow = new Interflow(stdin, stdout, {
  timestamps: false,
  debugConfig: {
    showLineNumbers: false,
    showLineNumbersFromAbsolute: false,
  }
})

---

Log

// normal log
interflow.log("hello world")

// with multiple objects
interflow.log("hello", "world")

// info
interflow.info("some info")

// warning
interflow.warning("some warning")

// error
interflow.error("some error")

// debug
interflow.debug("some debug")

// success
interflow.success("some success")

---

Input

String

await interflow.input("Whats your name?", (input) => {
    interflow.log("Hello", input)
})

Whats your name? (Interflow)
Hello (Interflow)

Bool

await interflow.boolInput("Would you like to continue?", (input) => {
    interflow.log("You chose", input)
})

Would you like to continue? (Y/n)
You chose (true)

Multiple options

let options = ["option 2", "option 2", "option 3"]

await interflow.chooseInput("Choose an option?", options, (input) => {
    interflow.log("You chose", input)
})

Choose an option? [option 1] [option 2] [option 3]
You chose (option 2)

---

Events

Key

interflow.on("key", (key) => {
    interflow.log(key.bytes, key.code(), key.value())
})

---

Cursor Control

interflow.goto(x, y, from_absolute)
// absolute is from very top
// relative is from first log

interflow.up(n_lines)
interflow.down(n_lines)

---

Console

interflow.clear() // Clear whole console

interflow.clearLine(line, from_absolute)
// absolute is from very top
// relative is from first log

InterflowColor

Usage

interflow.log(
    InterflowColor.green("You made it until here!")
)

Colors

Foreground

• red
• green
• yellow
• blue
• magenta
• cyan
• white
• gray
• black

• redBright
• greenBright
• yellowBright
• blueBright
• magentaBright
• cyanBright
• whiteBright

Background

• bgRed
• bgYellow
• bgBlue
• bgMagenta
• bgCyan
• bgWhite
• bgBlack

• bgRedBright
• bgGreenBright
• bgYellowBright
• bgBlueBright
• bgMagentaBright
• bgCyanBright
• bgWhiteBright

Fonts

• bold
• dim
• italic
• underline
• inverse
• hidden
• strikeThrough

InterflowProgressbar

Basic Usage

const interflow = new Interflow(stdin, stdout);

const bar = new InterflowProgressBar(interflow)
    .setLabel('Loading')
    .setUseBlocks(true)
    .setBarLength(50)
    .setMax(1000);

for (let i = 0; i < 1000; i++) {
    bar.tick();
    await interflow.sleep(100);

    if (i % 20 === 0) {
        interflow.log("Index", i)
    }
}

Loading [█████████████                                     ] (27%)
Index 0
Index 20

Authors

• Oliver Seifert (@ImGajeed76)