.config/coc/extensions/node_modules/coc-prettier/node_modules/eslint/lib/rules/no-path-concat.js

   1 /**
   2  * @fileoverview Disallow string concatenation when using __dirname and __filename
   3  * @author Nicholas C. Zakas
   4  */
   5 "use strict";
   6
   7 //------------------------------------------------------------------------------
   8 // Rule Definition
   9 //------------------------------------------------------------------------------
  10
  11 module.exports = {
  12     meta: {
  13         type: "suggestion",
  14
  15         docs: {
  16             description: "disallow string concatenation with `__dirname` and `__filename`",
  17             category: "Node.js and CommonJS",
  18             recommended: false,
  19             url: "https://eslint.org/docs/rules/no-path-concat"
  20         },
  21
  22         schema: []
  23     },
  24
  25     create(context) {
  26
  27         const MATCHER = /^__(?:dir|file)name$/u;
  28
  29         //--------------------------------------------------------------------------
  30         // Public
  31         //--------------------------------------------------------------------------
  32
  33         return {
  34
  35             BinaryExpression(node) {
  36
  37                 const left = node.left,
  38                     right = node.right;
  39
  40                 if (node.operator === "+" &&
  41                         ((left.type === "Identifier" && MATCHER.test(left.name)) ||
  42                         (right.type === "Identifier" && MATCHER.test(right.name)))
  43                 ) {
  44
  45                     context.report({ node, message: "Use path.join() or path.resolve() instead of + to create paths." });
  46                 }
  47             }
  48
  49         };
  50
  51     }
  52 };