diff options
Diffstat (limited to 'lib')
| -rw-r--r-- | lib/readline.js | 20 |
1 files changed, 10 insertions, 10 deletions
diff --git a/lib/readline.js b/lib/readline.js index 2190c620bd..77b9dbc6c8 100644 --- a/lib/readline.js +++ b/lib/readline.js @@ -1189,21 +1189,21 @@ function emitKeypressEvents(stream, iface) { * moves the cursor to the x and y coordinate on the given stream */ -function cursorTo(stream, x, y) { - if (stream === null || stream === undefined) - return; +function cursorTo(stream, x, y, callback) { + if (callback !== undefined && typeof callback !== 'function') + throw new ERR_INVALID_CALLBACK(callback); - if (typeof x !== 'number' && typeof y !== 'number') - return; + if (stream == null || (typeof x !== 'number' && typeof y !== 'number')) { + if (typeof callback === 'function') + process.nextTick(callback); + return true; + } if (typeof x !== 'number') throw new ERR_INVALID_CURSOR_POS(); - if (typeof y !== 'number') { - stream.write(CSI`${x + 1}G`); - } else { - stream.write(CSI`${y + 1};${x + 1}H`); - } + const data = typeof y !== 'number' ? CSI`${x + 1}G` : CSI`${y + 1};${x + 1}H`; + return stream.write(data, callback); } /** |