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📄 no-dupe-class-members

📊 Analysis Summary

Metric	Count
🔧 Functions	2
📦 Imports	6
📑 Type Aliases	2

📚 Table of Contents

• Default Export
• Imports
• Functions
• Type Aliases

🛠️ File Location:

📂 packages/eslint-plugin/src/rules/no-dupe-class-members.ts

📤 Default Export

export default createRule<Options, MessageIds>({ ... })

Property	Value
name	'no-dupe-class-members'
meta.type	'problem'
meta.docs.description	'Disallow duplicate class members'
meta.docs.extendsBaseRule	true
meta.hasSuggestions	baseRule.meta.hasSuggestions
meta.messages	baseRule.meta.messages
meta.schema	baseRule.meta.schema
defaultOptions	[]

Entry point: create — documented under Functions.

---

📦 Imports

Name	Source
TSESTree	@typescript-eslint/utils
AST_NODE_TYPES	@typescript-eslint/utils
InferMessageIdsTypeFromRule	../util
InferOptionsTypeFromRule	../util
createRule	../util
getESLintCoreRule	../util/getESLintCoreRule

---

Functions

create(context: any): any

Parameters:

• context any

Returns: any

Calls:

• baseRule.create
• coreListener
• wrapMemberDefinitionListener

Code

create(context) {
    const rules = baseRule.create(context);

    function wrapMemberDefinitionListener<
      N extends TSESTree.MethodDefinition | TSESTree.PropertyDefinition,
    >(coreListener: (node: N) => void): (node: N) => void {
      return (node: N): void => {
        if (node.computed) {
          return;
        }

        if (node.value?.type === AST_NODE_TYPES.TSEmptyBodyFunctionExpression) {
          return;
        }

        return coreListener(node);
      };
    }

    return {
      ...rules,
      'MethodDefinition, PropertyDefinition': wrapMemberDefinitionListener(
        rules['MethodDefinition, PropertyDefinition'],
      ),
    };
  }

Internal helpers

Declared inside another function in this file.

wrapMemberDefinitionListener(coreListener: (node: N) => void): (node: N) => void

Parameters:

• coreListener (node: N) => void

Returns: (node: N) => void

Calls:

• coreListener

Code

function wrapMemberDefinitionListener<
      N extends TSESTree.MethodDefinition | TSESTree.PropertyDefinition,
    >(coreListener: (node: N) => void): (node: N) => void {
      return (node: N): void => {
        if (node.computed) {
          return;
        }

        if (node.value?.type === AST_NODE_TYPES.TSEmptyBodyFunctionExpression) {
          return;
        }

        return coreListener(node);
      };
    }

---

Type Aliases

Options

type Options = InferOptionsTypeFromRule<typeof baseRule>;

MessageIds

type MessageIds = InferMessageIdsTypeFromRule<typeof baseRule>;

---

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