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📄 no-unused-expressions.ts

📊 Analysis Summary

Metric Count
🔧 Functions 1
📦 Imports 6
📊 Variables & Constants 2
📑 Type Aliases 2

📚 Table of Contents

🛠️ File Location:

📂 packages/eslint-plugin/src/rules/no-unused-expressions.ts

📦 Imports

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

Variables & Constants

Name Type Kind Value Exported
defaultOptions Options const `[
{
allowShortCircuit: false,
allowTaggedTemplates: false,
allowTernary: false,
},
]` ✗
expressionType any const node.expression.type ✗

Functions

isValidExpression(node: TSESTree.Node): boolean

Code 
function isValidExpression(node: TSESTree.Node): boolean {
      if (allowShortCircuit && node.type === AST_NODE_TYPES.LogicalExpression) {
        return isValidExpression(node.right);
      }
      if (allowTernary && node.type === AST_NODE_TYPES.ConditionalExpression) {
        return (
          isValidExpression(node.alternate) &&
          isValidExpression(node.consequent)
        );
      }
      return (
        (node.type === AST_NODE_TYPES.ChainExpression &&
          node.expression.type === AST_NODE_TYPES.CallExpression) ||
        node.type === AST_NODE_TYPES.ImportExpression
      );
    }
  • Parameters:
  • node: TSESTree.Node
  • Return Type: boolean
  • Calls:
  • isValidExpression

Type Aliases

MessageIds

type MessageIds = InferMessageIdsTypeFromRule<typeof baseRule>;

Options

type Options = InferOptionsTypeFromRule<typeof baseRule>;