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 module.exports = {
  12     meta: {
  13         type: "problem",
  14
  15         docs: {
  16             description: "disallow using an async function as a Promise executor",
  17             recommended: true,
  18             url: "https://eslint.org/docs/rules/no-async-promise-executor"
  19         },
  20
  21         fixable: null,
  22         schema: [],
  23         messages: {
  24             async: "Promise executor functions should not be async."
  25         }
  26     },
  27
  28     create(context) {
  29         return {
  30             "NewExpression[callee.name='Promise'][arguments.0.async=true]"(node) {
  31                 context.report({
  32                     node: context.getSourceCode().getFirstToken(node.arguments[0], token => token.value === "async"),
  33                     messageId: "async"
  34                 });
  35             }
  36         };
  37     }
  38 };