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eb39fafa DC |
1 | /** |
2 | * @fileoverview disallow using an async function as a Promise executor | |
3 | * @author Teddy Katz | |
4 | */ | |
5 | "use strict"; | |
6 | ||
7 | //------------------------------------------------------------------------------ | |
8 | // Rule Definition | |
9 | //------------------------------------------------------------------------------ | |
10 | ||
11 | module.exports = { | |
12 | meta: { | |
13 | type: "problem", | |
14 | ||
15 | docs: { | |
16 | description: "disallow using an async function as a Promise executor", | |
17 | category: "Possible Errors", | |
18 | recommended: true, | |
19 | url: "https://eslint.org/docs/rules/no-async-promise-executor" | |
20 | }, | |
21 | ||
22 | fixable: null, | |
23 | schema: [], | |
24 | messages: { | |
25 | async: "Promise executor functions should not be async." | |
26 | } | |
27 | }, | |
28 | ||
29 | create(context) { | |
30 | return { | |
31 | "NewExpression[callee.name='Promise'][arguments.0.async=true]"(node) { | |
32 | context.report({ | |
33 | node: context.getSourceCode().getFirstToken(node.arguments[0], token => token.value === "async"), | |
34 | messageId: "async" | |
35 | }); | |
36 | } | |
37 | }; | |
38 | } | |
39 | }; |