blob: cb603b62c0c6ffc5682fed8ac2db04bf2c51ad49 (
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
42
43
44
45
46
|
/**
* @fileoverview Check that TypeError[ERR_INVALID_ARG_TYPE] uses
* lowercase for primitive types
* @author Weijia Wang <starkwang@126.com>
*/
'use strict';
//------------------------------------------------------------------------------
// Rule Definition
//------------------------------------------------------------------------------
const astSelector = 'NewExpression[callee.property.name="TypeError"]' +
'[arguments.0.value="ERR_INVALID_ARG_TYPE"]';
const primitives = [
'number', 'string', 'boolean', 'null', 'undefined'
];
module.exports = function(context) {
function checkNamesArgument(node) {
const names = node.arguments[2];
switch (names.type) {
case 'Literal':
checkName(node, names.value);
break;
case 'ArrayExpression':
names.elements.forEach((name) => {
checkName(node, name.value);
});
break;
}
}
function checkName(node, name) {
const lowercaseName = name.toLowerCase();
if (primitives.includes(lowercaseName) && !primitives.includes(name)) {
const msg = `primitive should use lowercase: ${name}`;
context.report(node, msg);
}
}
return {
[astSelector]: (node) => checkNamesArgument(node)
};
};
|
