/**
   * @fileoverview Require file to end with single newline.
   * @author Nodeca Team <https://github.com/nodeca>
   */
  "use strict";
  
  //------------------------------------------------------------------------------
  // Rule Definition
  //------------------------------------------------------------------------------
  
  module.exports = function(context) {
  
      //--------------------------------------------------------------------------
      // Public
      //--------------------------------------------------------------------------
  
      return {
  
          "Program": function checkBadEOF(node) {
              // Get the whole source code, not for node only.
              var src = context.getSource(),
                  location = {column: 1},
                  linebreakStyle = context.options[0] || "unix",
                  linebreak = linebreakStyle === "unix" ? "
  " : "\r
  ";
              if (src.length === 0) {
                  return;
              }
  
              if (src[src.length - 1] !== "
  ") {
                  // file is not newline-terminated
                  location.line = src.split(/
  /g).length;
                  context.report({
                      node: node,
                      loc: location,
                      message: "Newline required at end of file but not found.",
                      fix: function(fixer) {
                          return fixer.insertTextAfterRange([0, src.length], linebreak);
                      }
                  });
              }
          }
  
      };
  
  };
  
  module.exports.schema = [
      {
          "enum": ["unix", "windows"]
      }
  ];