Blocks

BaseBlock

Base class for all blocks, declare geters for width and height, and render method.

render(options)

Return array of processed strings.

• fontColor: number of color from 0 to 15 (see Colors from helpers)
• backColor: number of color from 0 to 15 (see Colors from helpers)
• filler: character used for filling empty space

TextBlock

Responsible for rendering text and its align.

constructor(str, options)

• str: content of block, each newline character increase height
• options:
  • align: 'start', 'center' or 'end' ('start' by default)

PaddingBlock

Responsible for the space around the block.

constructor(block, options)

• block: create space around this block
• options:
  • top: (0 by default)
  • bottom: (0 by default)
  • right: (0 by default)
  • left: (0 by default)

BorderBlock

Responsible for the border around the block.

constructor(block, options)

• block: create border around this block
• options:
  • width: (1 by default)
  • color: used for character in border, (used fontColor from render options by default)
  • backColor: used for background in border, (used backColor from render options by default)
  • horizontal: character for top and bottom lines ('-' by default)
  • vertical: character for left and rigth lines ('|' by default)
  • corner: character for corners ('+' by default)

Helpers

ANSI escapes

Set of function for customise input like colors, intensity, etc.

Color Escapes

For each of foreground, background and underlines provide four function for 4bit, 8bit, 24bit and default colors.

• font4bit, font8bit, font24bit, fontDefault
• back4bit, back8bit, back24bit, backDefault
• under4bit, under8bit, under24bit, underDefault

4bit

Function for classic terminal colors (Black, Red, Green, Yellow, Blue, Magenta, Cyan, White and its Bright variations).

input: number from 0 to 15

8bit

input: number from 0 to 255

• 0-15: same as 4bit.
• 16-231: 6x6x6 color cube.
• 232-255: grayscale from dark to light.

24bit

input: three numbers from 0 to 255 (font24bit(red, green, blue))

Text Decoration Escapes

• crossout()
• overline()
• underline()
• doubleUnderline()

Font Style Escapes

• bold()
• faint()
• italic()

Other

• some resets
• blink
• invert

Colors

High-level color api

4bit Colors

Human readable color codes

• Colors.Black (0)
• Colors.Red (1)
• Colors.Green (2)
• ...
• Colors.Bright.Black (8)
• Colors.Bright.Red (9)
• ...

colorize (text, fgColor, bgColor)

• text: string
• fgColor: 4bit color code
• bgColor: 4bit color code

Example

  const colored = colorize('Hello Colors :3' , Colors.Red, Colors.Green)