blob: 47e73b802e66c34b56b4622ff3818e909ea8de9c (
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
39
40
41
|
/**
* @fileoverview A rule to disallow modifying variables that are declared using `const`
* @author Toru Nagashima
* @copyright 2015 Toru Nagashima. All rights reserved.
*/
"use strict";
var astUtils = require("../ast-utils");
//------------------------------------------------------------------------------
// Rule Definition
//------------------------------------------------------------------------------
module.exports = function(context) {
/**
* Finds and reports references that are non initializer and writable.
* @param {Variable} variable - A variable to check.
* @returns {void}
*/
function checkVariable(variable) {
astUtils.getModifyingReferences(variable.references).forEach(function(reference) {
context.report(
reference.identifier,
"`{{name}}` is constant.",
{name: reference.identifier.name});
});
}
return {
"VariableDeclaration": function(node) {
if (node.kind === "const") {
context.getDeclaredVariables(node).forEach(checkVariable);
}
}
};
};
module.exports.schema = [];
|
