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 module.exports = {
  14     meta: {
  15         type: "suggestion",
  16
  17         docs: {
  18             description: "disallow `new` operators outside of assignments or comparisons",
  19             recommended: false,
  20             url: "https://eslint.org/docs/rules/no-new"
  21         },
  22
  23         schema: [],
  24
  25         messages: {
  26             noNewStatement: "Do not use 'new' for side effects."
  27         }
  28     },
  29
  30     create(context) {
  31
  32         return {
  33             "ExpressionStatement > NewExpression"(node) {
  34                 context.report({
  35                     node: node.parent,
  36                     messageId: "noNewStatement"
  37                 });
  38             }
  39         };
  40
  41     }
  42 };