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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 columns. Default is `1`.

## cursorBackward(count)

Move cursor backward a specific amount of columns. 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. (Viewport)

## clearTerminal

Clear the whole terminal, including scrollback buffer. (Not just the visible part of it)

## beep

Output a beeping sound.

## link(text, url)

Create a clickable link.

Supported terminals. Use `supports-hyperlinks` to detect link support.

## image(filePath, 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

Type: `object`

#### 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.

## iTerm.annotation(message, options?)

Creates an escape code to display an "annotation" in iTerm2.

An annotation looks like this when shown:

See the iTerm Proprietary Escape Codes documentation for more information.

### message

Type: `string`

The message to display within the annotation.

The `|` character is disallowed and will be stripped.

### options

Type: `object`

#### length

Type: `number`\ Default: The remainder of the line

Nonzero number of columns to annotate.

#### x

Type: `number`\ Default: Cursor position

Starting X coordinate.

Must be used with `y` and `length`.

#### y

Type: `number`\ Default: Cursor position

Starting Y coordinate.

Must be used with `x` and `length`.

#### isHidden

Type: `boolean`\ Default: `false`

Create a "hidden" annotation.

Annotations created this way can be shown using the "Show Annotations" iTerm command.

# Related

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

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