eslint/lib/rules/no-async-promise-executor.js

   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 /** @type {import('../shared/types').Rule} */
  12 module.exports = {
  13     meta: {
  14         type: "problem",
  15
  16         docs: {
  17             description: "disallow using an async function as a Promise executor",
  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 };