eslint/lib/rules/no-new.js

   1 /**
   2  * @fileoverview Rule to flag statements with function invocation preceded by
   3  * "new" and not part of assignment
   4  * @author Ilya Volodin
   5  */
   6
   7 "use strict";
   8
   9 //------------------------------------------------------------------------------
  10 // Rule Definition
  11 //------------------------------------------------------------------------------
  12
  13 /** @type {import('../shared/types').Rule} */
  14 module.exports = {
  15     meta: {
  16         type: "suggestion",
  17
  18         docs: {
  19             description: "disallow `new` operators outside of assignments or comparisons",
  20             recommended: false,
  21             url: "https://eslint.org/docs/rules/no-new"
  22         },
  23
  24         schema: [],
  25
  26         messages: {
  27             noNewStatement: "Do not use 'new' for side effects."
  28         }
  29     },
  30
  31     create(context) {
  32
  33         return {
  34             "ExpressionStatement > NewExpression"(node) {
  35                 context.report({
  36                     node: node.parent,
  37                     messageId: "noNewStatement"
  38                 });
  39             }
  40         };
  41
  42     }
  43 };