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- /**
- * @fileoverview Enforce a maximum number of classes per file
- * @author James Garbutt <https://github.com/43081j>
- */
- "use strict";
-
- //------------------------------------------------------------------------------
- // Requirements
- //------------------------------------------------------------------------------
-
-
- //------------------------------------------------------------------------------
- // Rule Definition
- //------------------------------------------------------------------------------
-
- module.exports = {
- meta: {
- type: "suggestion",
-
- docs: {
- description: "enforce a maximum number of classes per file",
- category: "Best Practices",
- recommended: false,
- url: "https://eslint.org/docs/rules/max-classes-per-file"
- },
-
- schema: [
- {
- type: "integer",
- minimum: 1
- }
- ],
-
- messages: {
- maximumExceeded: "File has too many classes ({{ classCount }}). Maximum allowed is {{ max }}."
- }
- },
- create(context) {
-
- const maxClasses = context.options[0] || 1;
-
- let classCount = 0;
-
- return {
- Program() {
- classCount = 0;
- },
- "Program:exit"(node) {
- if (classCount > maxClasses) {
- context.report({
- node,
- messageId: "maximumExceeded",
- data: {
- classCount,
- max: maxClasses
- }
- });
- }
- },
- "ClassDeclaration, ClassExpression"() {
- classCount++;
- }
- };
- }
- };
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