review.tizen.org Git - platform/framework/web/crosswalk-tizen.git/blob

   1 /**
   2  * @fileoverview Disallow string concatenation when using __dirname and __filename
   3  * @author Nicholas C. Zakas
   4  */
   5 "use strict";
   6
   7 //------------------------------------------------------------------------------
   8 // Rule Definition
   9 //------------------------------------------------------------------------------
  10
  11 module.exports = function(context) {
  12
  13     var MATCHER = /^__(?:dir|file)name$/;
  14
  15     //--------------------------------------------------------------------------
  16     // Public
  17     //--------------------------------------------------------------------------
  18
  19     return {
  20
  21         "BinaryExpression": function(node) {
  22
  23             var left = node.left,
  24                 right = node.right;
  25
  26             if (node.operator === "+" &&
  27                     ((left.type === "Identifier" && MATCHER.test(left.name)) ||
  28                     (right.type === "Identifier" && MATCHER.test(right.name)))
  29             ) {
  30
  31                 context.report(node, "Use path.join() or path.resolve() instead of + to create paths.");
  32             }
  33         }
  34
  35     };
  36
  37 };