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app_vue/node_modules/eslint/lib/rules/max-classes-per-file.js

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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++;
+            }
+        };
+    }
+};