readline: strip underscore from getCursorPos()

Alias _getCursorPos() = getCursorPos() for backwards
compatibility.

Author: Js-Brecht

lib/readline.js

@@ -365,7 +365,7 @@ Interface.prototype._refreshLine = function() {
   const lineRows = dispPos.rows;
 
   // cursor position
-  const cursorPos = this._getCursorPos();
+  const cursorPos = this.getCursorPos();
 
   // First move to the bottom of the current line, based on cursor pos
   const prevRows = this.prevRows || 0;
@@ -481,7 +481,7 @@ Interface.prototype._insertString = function(c) {
     this.line += c;
     this.cursor += c.length;
 
-    if (this._getCursorPos().cols === 0) {
+    if (this.getCursorPos().cols === 0) {
       this._refreshLine();
     } else {
       this._writeToOutput(c);
@@ -760,7 +760,7 @@ Interface.prototype._getDisplayPos = function(str) {
 
 
 // Returns current cursor's position and line
-Interface.prototype._getCursorPos = function() {
+Interface.prototype.getCursorPos = function() {
   const columns = this.columns;
   const strBeforeCursor = this._prompt + this.line.substring(0, this.cursor);
   const dispPos = this._getDisplayPos(
@@ -777,21 +777,21 @@ Interface.prototype._getCursorPos = function() {
   }
   return { cols: cols, rows: rows };
 };
-Interface.prototype.getCursorPos = Interface.prototype._getCursorPos;
+Interface.prototype._getCursorPos = Interface.prototype.getCursorPos;
 
 
 // This function moves cursor dx places to the right
 // (-dx for left) and refreshes the line if it is needed
 Interface.prototype._moveCursor = function(dx) {
   const oldcursor = this.cursor;
-  const oldPos = this._getCursorPos();
+  const oldPos = this.getCursorPos();
   this.cursor += dx;
 
   // bounds check
   if (this.cursor < 0) this.cursor = 0;
   else if (this.cursor > this.line.length) this.cursor = this.line.length;
 
-  const newPos = this._getCursorPos();
+  const newPos = this.getCursorPos();
 
   // Check if cursors are in the same line
   if (oldPos.rows === newPos.rows) {