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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.beep = '\u0007';
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