.config/coc/extensions/node_modules/coc-prettier/node_modules/eslint/lib/rules/max-classes-per-file.js

   1 /**
   2  * @fileoverview Enforce a maximum number of classes per file
   3  * @author James Garbutt <https://github.com/43081j>
   4  */
   5 "use strict";
   6
   7 //------------------------------------------------------------------------------
   8 // Requirements
   9 //------------------------------------------------------------------------------
  10
  11
  12 //------------------------------------------------------------------------------
  13 // Rule Definition
  14 //------------------------------------------------------------------------------
  15
  16 module.exports = {
  17     meta: {
  18         type: "suggestion",
  19
  20         docs: {
  21             description: "enforce a maximum number of classes per file",
  22             category: "Best Practices",
  23             recommended: false,
  24             url: "https://eslint.org/docs/rules/max-classes-per-file"
  25         },
  26
  27         schema: [
  28             {
  29                 type: "integer",
  30                 minimum: 1
  31             }
  32         ],
  33
  34         messages: {
  35             maximumExceeded: "File has too many classes ({{ classCount }}). Maximum allowed is {{ max }}."
  36         }
  37     },
  38     create(context) {
  39
  40         const maxClasses = context.options[0] || 1;
  41
  42         let classCount = 0;
  43
  44         return {
  45             Program() {
  46                 classCount = 0;
  47             },
  48             "Program:exit"(node) {
  49                 if (classCount > maxClasses) {
  50                     context.report({
  51                         node,
  52                         messageId: "maximumExceeded",
  53                         data: {
  54                             classCount,
  55                             max: maxClasses
  56                         }
  57                     });
  58                 }
  59             },
  60             "ClassDeclaration, ClassExpression"() {
  61                 classCount++;
  62             }
  63         };
  64     }
  65 };