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readme.md

ansi-escapes

ANSI escape codes for manipulating the terminal

Install

$ npm install ansi-escapes

Usage

const ansiEscapes = require('ansi-escapes');

// Moves the cursor two rows up and to the left
process.stdout.write(ansiEscapes.cursorUp(2) + ansiEscapes.cursorLeft);
//=> '\u001B[2A\u001B[1000D'

API

cursorTo(x, [y])

Set the absolute position of the cursor. x0 y0 is the top left of the screen.

cursorMove(x, [y])

Set the position of the cursor relative to its current position.

cursorUp(count)

Move cursor up a specific amount of rows. Default is 1.

cursorDown(count)

Move cursor down a specific amount of rows. Default is 1.

cursorForward(count)

Move cursor forward a specific amount of rows. Default is 1.

cursorBackward(count)

Move cursor backward a specific amount of rows. Default is 1.

cursorLeft

Move cursor to the left side.

cursorSavePosition

Save cursor position.

cursorRestorePosition

Restore saved cursor position.

cursorGetPosition

Get cursor position.

cursorNextLine

Move cursor to the next line.

cursorPrevLine

Move cursor to the previous line.

cursorHide

Hide cursor.

cursorShow

Show cursor.

eraseLines(count)

Erase from the current cursor position up the specified amount of rows.

eraseEndLine

Erase from the current cursor position to the end of the current line.

eraseStartLine

Erase from the current cursor position to the start of the current line.

eraseLine

Erase the entire current line.

eraseDown

Erase the screen from the current line down to the bottom of the screen.

eraseUp

Erase the screen from the current line up to the top of the screen.

eraseScreen

Erase the screen and move the cursor the top left position.

scrollUp

Scroll display up one line.

scrollDown

Scroll display down one line.

clearScreen

Clear the terminal screen.

beep

Output a beeping sound.

image(input, [options])

Display an image.

Currently only supported on iTerm2 >=3

See term-img for a higher-level module.

input

Type: Buffer

Buffer of an image. Usually read in with fs.readFile().

options

width

height

Type: string number

The width and height are given as a number followed by a unit, or the word "auto".

N: N character cells.
Npx: N pixels.
N%: N percent of the session's width or height.
auto: The image's inherent size will be used to determine an appropriate dimension.

preserveAspectRatio

Type: boolean
Default: true

iTerm.setCwd([path])

Type: string
Default: process.cwd()

Inform iTerm2 of the current directory to help semantic history and enable Cmd-clicking relative paths.

ansi-styles - ANSI escape codes for styling strings in the terminal