177 lines
3.3 KiB
Markdown
177 lines
3.3 KiB
Markdown
# ansi-escapes [](https://travis-ci.org/sindresorhus/ansi-escapes)
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> [ANSI escape codes](http://www.termsys.demon.co.uk/vtansi.htm) for manipulating the terminal
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## Install
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```
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$ npm install --save ansi-escapes
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```
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## Usage
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```js
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const ansiEscapes = require('ansi-escapes');
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// Moves the cursor two rows up and to the left
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process.stdout.write(ansiEscapes.cursorUp(2) + ansiEscapes.cursorLeft);
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//=> '\u001B[2A\u001B[1000D'
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```
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## API
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### cursorTo([x, [y]])
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Set the absolute position of the cursor. `x0` `y0` is the top left of the screen.
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Specify either both `x` & `y`, only `x`, or nothing.
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### cursorMove(x, [y])
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Set the position of the cursor relative to its current position.
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### cursorUp(count)
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Move cursor up a specific amount of rows. Default is `1`.
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### cursorDown(count)
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Move cursor down a specific amount of rows. Default is `1`.
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### cursorForward(count)
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Move cursor forward a specific amount of rows. Default is `1`.
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### cursorBackward(count)
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Move cursor backward a specific amount of rows. Default is `1`.
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### cursorLeft
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Move cursor to the left side.
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### cursorSavePosition
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Save cursor position.
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### cursorRestorePosition
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Restore saved cursor position.
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### cursorGetPosition
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Get cursor position.
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### cursorNextLine
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Move cursor to the next line.
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### cursorPrevLine
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Move cursor to the previous line.
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### cursorHide
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Hide cursor.
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### cursorShow
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Show cursor.
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### eraseLines(count)
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Erase from the current cursor position up the specified amount of rows.
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### eraseEndLine
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Erase from the current cursor position to the end of the current line.
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### eraseStartLine
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Erase from the current cursor position to the start of the current line.
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### eraseLine
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Erase the entire current line.
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### eraseDown
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Erase the screen from the current line down to the bottom of the screen.
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### eraseUp
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Erase the screen from the current line up to the top of the screen.
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### eraseScreen
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Erase the screen and move the cursor the top left position.
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### scrollUp
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Scroll display up one line.
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### scrollDown
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Scroll display down one line.
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### clearScreen
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Clear the terminal screen.
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### beep
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Output a beeping sound.
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### image(input, [options])
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Display an image.
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*Currently only supported on iTerm >=2.9.*
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See [term-img](https://github.com/sindresorhus/term-img) for a higher-level module.
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#### input
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Type: `Buffer`
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Buffer of an image. Usually read in with `fs.readFile()`.
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#### options
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##### width
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##### height
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Type: `string` `number`
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The width and height are given as a number followed by a unit, or the word "auto".
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- `N`: N character cells.
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- `Npx`: N pixels.
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- `N%`: N percent of the session's width or height.
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- `auto`: The image's inherent size will be used to determine an appropriate dimension.
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##### preserveAspectRatio
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Type: `boolean`<br>
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Default: `true`
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### iTerm.setCwd([path])
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Type: `string`<br>
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Default: `process.cwd()`
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[Inform iTerm](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).
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## Related
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- [ansi-styles](https://github.com/chalk/ansi-styles) - ANSI escape codes for styling strings in the terminal
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## License
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MIT © [Sindre Sorhus](https://sindresorhus.com)
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