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/**
* @fileoverview Disallow string concatenation when using __dirname and __filename
* @author Nicholas C. Zakas
*/
"use strict";
//------------------------------------------------------------------------------
// Rule Definition
//------------------------------------------------------------------------------
module.exports = {
meta: {
docs: {
description: "disallow string concatenation with `__dirname` and `__filename`",
category: "Node.js and CommonJS",
recommended: false
},
schema: []
},
create: function(context) {
var MATCHER = /^__(?:dir|file)name$/;
//--------------------------------------------------------------------------
// Public
//--------------------------------------------------------------------------
return {
BinaryExpression: function(node) {
var left = node.left,
right = node.right;
if (node.operator === "+" &&
((left.type === "Identifier" && MATCHER.test(left.name)) ||
(right.type === "Identifier" && MATCHER.test(right.name)))
) {
context.report(node, "Use path.join() or path.resolve() instead of + to create paths.");
}
}
};
}
};