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- # ansi-escapes
- > [ANSI escape codes](http://www.termsys.demon.co.uk/vtansi.htm) for manipulating the terminal
- ## Install
- ```
- $ npm install ansi-escapes
- ```
- ## Usage
- ```js
- 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.](https://gist.github.com/egmontkob/eb114294efbcd5adb1944c9f3cb5feda) Use [`supports-hyperlinks`](https://github.com/jamestalmage/supports-hyperlinks) to detect link support.
- ### image(filePath, options?)
- Display an image.
- *Currently only supported on iTerm2 >=3*
- See [term-img](https://github.com/sindresorhus/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](https://www.iterm2.com/documentation-escape-codes.html) of the current directory to help semantic history and enable [Cmd-clicking relative paths](https://coderwall.com/p/b7e82q/quickly-open-files-in-iterm-with-cmd-click).
- ### iTerm.annotation(message, options?)
- Creates an escape code to display an "annotation" in iTerm2.
- An annotation looks like this when shown:
- <img src="https://user-images.githubusercontent.com/924465/64382136-b60ac700-cfe9-11e9-8a35-9682e8dc4b72.png" width="500">
- See the [iTerm Proprietary Escape Codes documentation](https://iterm2.com/documentation-escape-codes.html) 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](https://github.com/chalk/ansi-styles) - ANSI escape codes for styling strings in the terminal
- ---
- <div align="center">
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- </b>
- <br>
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