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📄 isConditionalTest

📊 Analysis Summary

Metric Count
🔧 Functions 1
📦 Imports 2

📚 Table of Contents

🛠️ File Location:

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

📦 Imports

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

Functions

isConditionalTest(node: TSESTree.Node): boolean

Parameters:

  • node TSESTree.Node

Returns: boolean

Calls:

  • isConditionalTest
  • parent.expressions.at
Code 
export function isConditionalTest(node: TSESTree.Node): boolean {
  const parent = node.parent;
  if (parent == null) {
    return false;
  }

  if (parent.type === AST_NODE_TYPES.LogicalExpression) {
    return isConditionalTest(parent);
  }

  if (
    parent.type === AST_NODE_TYPES.ConditionalExpression &&
    (parent.consequent === node || parent.alternate === node)
  ) {
    return isConditionalTest(parent);
  }

  if (
    parent.type === AST_NODE_TYPES.SequenceExpression &&
    parent.expressions.at(-1) === node
  ) {
    return isConditionalTest(parent);
  }

  if (
    parent.type === AST_NODE_TYPES.UnaryExpression &&
    parent.operator === '!'
  ) {
    return isConditionalTest(parent);
  }

  if (
    (parent.type === AST_NODE_TYPES.ConditionalExpression ||
      parent.type === AST_NODE_TYPES.DoWhileStatement ||
      parent.type === AST_NODE_TYPES.IfStatement ||
      parent.type === AST_NODE_TYPES.ForStatement ||
      parent.type === AST_NODE_TYPES.WhileStatement) &&
    parent.test === node
  ) {
    return true;
  }

  return false;
}

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