Palak Handa / startUpJalsa-Backend

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node_modules/ansi-escapes/index.js 2.03 KB
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f7563de62   Palak Handa   first commit 
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  'use strict';
  var ESC = '\u001b[';
  var x = module.exports;
  
  x.cursorTo = function (x, y) {
  	if (arguments.length === 0) {
  		return ESC + 'H';
  	}
  
  	if (arguments.length === 1) {
  		return ESC + (x + 1) + 'G';
  	}
  
  	return ESC + (y + 1) + ';' + (x + 1) + 'H';
  };
  
  x.cursorMove = function (x, y) {
  	var ret = '';
  
  	if (x < 0) {
  		ret += ESC + (-x) + 'D';
  	} else if (x > 0) {
  		ret += ESC + x + 'C';
  	}
  
  	if (y < 0) {
  		ret += ESC + (-y) + 'A';
  	} else if (y > 0) {
  		ret += ESC + y + 'B';
  	}
  
  	return ret;
  };
  
  x.cursorUp = function (count) {
  	return ESC + (typeof count === 'number' ? count : 1) + 'A';
  };
  
  x.cursorDown = function (count) {
  	return ESC + (typeof count === 'number' ? count : 1) + 'B';
  };
  
  x.cursorForward = function (count) {
  	return ESC + (typeof count === 'number' ? count : 1) + 'C';
  };
  
  x.cursorBackward = function (count) {
  	return ESC + (typeof count === 'number' ? count : 1) + 'D';
  };
  
  x.cursorLeft = ESC + '1000D';
  x.cursorSavePosition = ESC + 's';
  x.cursorRestorePosition = ESC + 'u';
  x.cursorGetPosition = ESC + '6n';
  x.cursorNextLine = ESC + 'E';
  x.cursorPrevLine = ESC + 'F';
  x.cursorHide = ESC + '?25l';
  x.cursorShow = ESC + '?25h';
  
  x.eraseLines = function (count) {
  	var clear = '';
  
  	for (var i = 0; i < count; i++) {
  		clear += x.cursorLeft + x.eraseEndLine + (i < count - 1 ? x.cursorUp() : '');
  	}
  
  	return clear;
  };
  
  x.eraseEndLine = ESC + 'K';
  x.eraseStartLine = ESC + '1K';
  x.eraseLine = ESC + '2K';
  x.eraseDown = ESC + 'J';
  x.eraseUp = ESC + '1J';
  x.eraseScreen = ESC + '2J';
  x.scrollUp = ESC + 'S';
  x.scrollDown = ESC + 'T';
  
  x.clearScreen = '\u001bc';
  x.beep = '\u0007';
  
  x.image = function (buf, opts) {
  	opts = opts || {};
  
  	var ret = '\u001b]1337;File=inline=1';
  
  	if (opts.width) {
  		ret += ';width=' + opts.width;
  	}
  
  	if (opts.height) {
  		ret += ';height=' + opts.height;
  	}
  
  	if (opts.preserveAspectRatio === false) {
  		ret += ';preserveAspectRatio=0';
  	}
  
  	return ret + ':' + buf.toString('base64') + '\u0007';
  };
  
  x.iTerm = {};
  
  x.iTerm.setCwd = function (cwd) {
  	return '\u001b]50;CurrentDir=' + (cwd || process.cwd()) + '\u0007';
  };