/
prefer-to-be-null.js
54 lines (51 loc) · 1.17 KB
/
prefer-to-be-null.js
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
50
51
52
53
54
'use strict';
const {
getDocsUrl,
argument,
argument2,
expectToBeCase,
expectToEqualCase,
expectNotToEqualCase,
expectNotToBeCase,
method,
method2,
} = require('./util');
module.exports = {
meta: {
docs: {
url: getDocsUrl(__filename),
},
messages: {
useToBeNull: 'Use toBeNull() instead',
},
fixable: 'code',
schema: [],
},
create(context) {
return {
CallExpression(node) {
const is = expectToBeCase(node, null) || expectToEqualCase(node, null);
const isNot =
expectNotToEqualCase(node, null) || expectNotToBeCase(node, null);
if (is || isNot) {
context.report({
fix(fixer) {
if (is) {
return [
fixer.replaceText(method(node), 'toBeNull'),
fixer.remove(argument(node)),
];
}
return [
fixer.replaceText(method2(node), 'toBeNull'),
fixer.remove(argument2(node)),
];
},
messageId: 'useToBeNull',
node: is ? method(node) : method2(node),
});
}
},
};
},
};