blob: 7a785b80fb3ff7814427e3fe154d505fd229d5b3 (
plain)
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
|
/**
* @fileoverview Rule to flag references to the undefined variable.
* @author Michael Ficarra
*/
"use strict";
//------------------------------------------------------------------------------
// Rule Definition
//------------------------------------------------------------------------------
module.exports = {
meta: {
docs: {
description: "disallow the use of `undefined` as an identifier",
category: "Variables",
recommended: false
},
schema: []
},
create: function(context) {
return {
Identifier: function(node) {
if (node.name === "undefined") {
const parent = context.getAncestors().pop();
if (!parent || parent.type !== "MemberExpression" || node !== parent.property || parent.computed) {
context.report(node, "Unexpected use of undefined.");
}
}
}
};
}
};
|
