no-path-concat.js
1.35 KB
1
2
3
4
5
6
7
8
9
10
11
12
13
14
15
16
17
18
19
20
21
22
23
24
25
26
27
28
29
30
31
32
33
34
35
36
37
38
39
40
41
42
43
44
45
46
47
48
49
/**
* @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(context) {
const MATCHER = /^__(?:dir|file)name$/;
//--------------------------------------------------------------------------
// Public
//--------------------------------------------------------------------------
return {
BinaryExpression(node) {
const 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, message: "Use path.join() or path.resolve() instead of + to create paths." });
}
}
};
}
};