custom_readline.js

var readline = require('readline');

module.exports = readline;

readline.Interface.prototype.cursorToEnd = function() {
    // place the cursor at the end of the current line
    this.output.write(
        '\x1b[0G\x1b[' + (
        this._promptLength + this.line.length
        ) + 'C'
    );
    this.cursor = this.line.length;
}

node-lib_readline.patch

diff --git a/lib/readline.js b/lib/readline.js
index 75ccf23..7c6f416 100644
--- a/lib/readline.js
+++ b/lib/readline.js
@@ -285,3 +285,4 @@ Interface.prototype._ttyWrite = function (b) {
   }
 };
 
+exports.Interface = Interface;