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📄 no-useless-constructor.ts

📊 Analysis Summary

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

📚 Table of Contents

🛠️ File Location:

📂 packages/eslint-plugin/src/rules/no-useless-constructor.ts

📦 Imports

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

Functions

checkAccessibility(node: TSESTree.MethodDefinition): boolean

Code 
function checkAccessibility(node: TSESTree.MethodDefinition): boolean {
  switch (node.accessibility) {
    case 'protected':
    case 'private':
      return false;
    case 'public':
      if (node.parent.parent.superClass) {
        return false;
      }
      break;
  }
  return true;
}

  • JSDoc: 

    /**
 * Check if method with accessibility is not useless
 */

  • Parameters:

  • node: TSESTree.MethodDefinition
  • Return Type: boolean

checkParams(node: TSESTree.MethodDefinition): boolean

Code 
function checkParams(node: TSESTree.MethodDefinition): boolean {
  return !node.value.params.some(
    param =>
      param.type === AST_NODE_TYPES.TSParameterProperty ||
      param.decorators.length,
  );
}

  • JSDoc: 

    /**
 * Check if method is not useless due to typescript parameter properties and decorators
 */

  • Parameters:

  • node: TSESTree.MethodDefinition
  • Return Type: boolean
  • Calls:
  • node.value.params.some

Type Aliases

Options

type Options = InferOptionsTypeFromRule<typeof baseRule>;

MessageIds

type MessageIds = InferMessageIdsTypeFromRule<typeof baseRule>;