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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';
- };
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