52 lines
1.2 KiB
JavaScript
52 lines
1.2 KiB
JavaScript
|
'use strict';
|
||
|
|
var ansiEscapes = require('ansi-escapes');
|
||
|
|
|
||
|
|
/**
|
||
|
|
* Move cursor left by `x`
|
||
|
|
* @param {Readline} rl - Readline instance
|
||
|
|
* @param {Number} x - How far to go left (default to 1)
|
||
|
|
*/
|
||
|
|
|
||
|
|
exports.left = function (rl, x) {
|
||
|
|
rl.output.write(ansiEscapes.cursorBackward(x));
|
||
|
|
};
|
||
|
|
|
||
|
|
/**
|
||
|
|
* Move cursor right by `x`
|
||
|
|
* @param {Readline} rl - Readline instance
|
||
|
|
* @param {Number} x - How far to go left (default to 1)
|
||
|
|
*/
|
||
|
|
|
||
|
|
exports.right = function (rl, x) {
|
||
|
|
rl.output.write(ansiEscapes.cursorForward(x));
|
||
|
|
};
|
||
|
|
|
||
|
|
/**
|
||
|
|
* Move cursor up by `x`
|
||
|
|
* @param {Readline} rl - Readline instance
|
||
|
|
* @param {Number} x - How far to go up (default to 1)
|
||
|
|
*/
|
||
|
|
|
||
|
|
exports.up = function (rl, x) {
|
||
|
|
rl.output.write(ansiEscapes.cursorUp(x));
|
||
|
|
};
|
||
|
|
|
||
|
|
/**
|
||
|
|
* Move cursor down by `x`
|
||
|
|
* @param {Readline} rl - Readline instance
|
||
|
|
* @param {Number} x - How far to go down (default to 1)
|
||
|
|
*/
|
||
|
|
|
||
|
|
exports.down = function (rl, x) {
|
||
|
|
rl.output.write(ansiEscapes.cursorDown(x));
|
||
|
|
};
|
||
|
|
|
||
|
|
/**
|
||
|
|
* Clear current line
|
||
|
|
* @param {Readline} rl - Readline instance
|
||
|
|
* @param {Number} len - number of line to delete
|
||
|
|
*/
|
||
|
|
exports.clearLine = function (rl, len) {
|
||
|
|
rl.output.write(ansiEscapes.eraseLines(len));
|
||
|
|
};
|