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📄 getParentFunctionNode.ts

📊 Analysis Summary

Metric	Count
🔧 Functions	1
📦 Imports	2
📊 Variables & Constants	1

📚 Table of Contents

• Imports
• Variables & Constants
• Functions

🛠️ File Location:

📂 packages/eslint-plugin/src/util/getParentFunctionNode.ts

📦 Imports

Name	Source
TSESTree	@typescript-eslint/utils
AST_NODE_TYPES	@typescript-eslint/utils

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Variables & Constants

Name	Type	Kind	Value	Exported
current	any	let/var	node.parent	✗

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Functions

`getParentFunctionNode(node: TSESTree.Node): | TSESTree.ArrowFunctionExpression

| TSESTree.FunctionDeclaration | TSESTree.FunctionExpression | null`

Code

export function getParentFunctionNode(
  node: TSESTree.Node,
):
  | TSESTree.ArrowFunctionExpression
  | TSESTree.FunctionDeclaration
  | TSESTree.FunctionExpression
  | null {
  let current = node.parent;
  while (current) {
    if (
      current.type === AST_NODE_TYPES.ArrowFunctionExpression ||
      current.type === AST_NODE_TYPES.FunctionDeclaration ||
      current.type === AST_NODE_TYPES.FunctionExpression
    ) {
      return current;
    }

    current = current.parent;
  }

  // this shouldn't happen in correct code, but someone may attempt to parse bad code
  // the parser won't error, so we shouldn't throw here
  /* istanbul ignore next */ return null;
}

• Parameters:
• node: TSESTree.Node
• Return Type: | TSESTree.ArrowFunctionExpression | TSESTree.FunctionDeclaration | TSESTree.FunctionExpression | null
• Internal Comments:

  // this shouldn't happen in correct code, but someone may attempt to parse bad code
  // the parser won't error, so we shouldn't throw here
  /* istanbul ignore next */
  

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