eslint/lib/rules/no-proto.js

   1 /**
   2  * @fileoverview Rule to flag usage of __proto__ property
   3  * @author Ilya Volodin
   4  */
   5
   6 "use strict";
   7
   8 //------------------------------------------------------------------------------
   9 // Requirements
  10 //------------------------------------------------------------------------------
  11
  12 const { getStaticPropertyName } = require("./utils/ast-utils");
  13
  14 //------------------------------------------------------------------------------
  15 // Rule Definition
  16 //------------------------------------------------------------------------------
  17
  18 /** @type {import('../shared/types').Rule} */
  19 module.exports = {
  20     meta: {
  21         type: "suggestion",
  22
  23         docs: {
  24             description: "disallow the use of the `__proto__` property",
  25             recommended: false,
  26             url: "https://eslint.org/docs/rules/no-proto"
  27         },
  28
  29         schema: [],
  30
  31         messages: {
  32             unexpectedProto: "The '__proto__' property is deprecated."
  33         }
  34     },
  35
  36     create(context) {
  37
  38         return {
  39
  40             MemberExpression(node) {
  41                 if (getStaticPropertyName(node) === "__proto__") {
  42                     context.report({ node, messageId: "unexpectedProto" });
  43                 }
  44             }
  45         };
  46
  47     }
  48 };