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
55
56
57
58
59
// Borrowed from here:
// https://github.com/colonyamerican/eslint-plugin-cah/issues/3
'use strict'
const getDocsUrl = require('./lib/get-docs-url')
function isDeclared(scope, ref) {
return scope.variables.some(variable => {
if (variable.name !== ref.identifier.name) {
return false
}
if (!variable.defs || !variable.defs.length) {
return false
}
return true
})
}
module.exports = {
meta: {
docs: {
url: getDocsUrl('no-native')
},
messages: {
name: '"{{name}}" is not defined.'
}
},
create(context) {
/**
* Checks for and reports reassigned constants
*
* @param {Scope} scope - an escope Scope object
* @returns {void}
* @private
*/
return {
'Program:exit'() {
const scope = context.getScope()
scope.implicit.left.forEach(ref => {
if (ref.identifier.name !== 'Promise') {
return
}
if (!isDeclared(scope, ref)) {
context.report({
node: ref.identifier,
messageId: 'name',
data: { name: ref.identifier.name }
})
}
})
}
}
}
}