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📄 no-confusing-non-null-assertion.ts

📊 Analysis Summary

Metric Count
🔧 Functions 27
📦 Imports 7
📊 Variables & Constants 3
📑 Type Aliases 2

📚 Table of Contents

🛠️ File Location:

📂 packages/eslint-plugin/src/rules/no-confusing-non-null-assertion.ts

📦 Imports

Name Source
TSESLint @typescript-eslint/utils
TSESTree @typescript-eslint/utils
ReportDescriptor @typescript-eslint/utils/ts-eslint
RuleFix @typescript-eslint/utils/ts-eslint
AST_NODE_TYPES @typescript-eslint/utils
AST_TOKEN_TYPES @typescript-eslint/utils
createRule ../util

Variables & Constants

Name Type Kind Value Exported
confusingOperators Set<"in" | "=" | "==" | "===" | "instanceof"> const `new Set([
'=',
'==',
'===',
'in',
'instanceof',
] as const)` ✗
operator any const node.operator ✗
suggestions TSESLint.SuggestionReportDescriptor<MessageId>[] let/var *not shown* ✗

Functions

isConfusingOperator(operator: string): operator is ConfusingOperator

Code 
function isConfusingOperator(operator: string): operator is ConfusingOperator {
  return confusingOperators.has(operator as ConfusingOperator);
}
  • Parameters:
  • operator: string
  • Return Type: operator is ConfusingOperator
  • Calls:
  • confusingOperators.has

confusingOperatorToMessageData(operator: ConfusingOperator): Pick<ReportDescriptor<MessageId>, 'data' | 'messageId'>

Code 
function confusingOperatorToMessageData(
      operator: ConfusingOperator,
    ): Pick<ReportDescriptor<MessageId>, 'data' | 'messageId'> {
      switch (operator) {
        case '=':
          return {
            messageId: 'confusingAssign',
          };
        case '==':
        case '===':
          return {
            messageId: 'confusingEqual',
          };
        case 'in':
        case 'instanceof':
          return {
            messageId: 'confusingOperator',
            data: { operator },
          };
        // istanbul ignore next
        default:
          operator satisfies never;
          throw new Error(`Unexpected operator ${operator as string}`);
      }
    }
  • Parameters:
  • operator: ConfusingOperator
  • Return Type: Pick<ReportDescriptor<MessageId>, 'data' | 'messageId'>
  • Internal Comments: 
    // istanbul ignore next

fix(fixer: any): RuleFix

Code 
(fixer): RuleFix => fixer.remove(leftHandFinalToken)
  • Parameters:
  • fixer: any
  • Return Type: RuleFix
  • Calls:
  • fixer.remove

fix(fixer: any): RuleFix

Code 
(fixer): RuleFix => fixer.remove(leftHandFinalToken)
  • Parameters:
  • fixer: any
  • Return Type: RuleFix
  • Calls:
  • fixer.remove

fix(fixer: any): RuleFix

Code 
(fixer): RuleFix => fixer.remove(leftHandFinalToken)
  • Parameters:
  • fixer: any
  • Return Type: RuleFix
  • Calls:
  • fixer.remove

fix(fixer: any): RuleFix

Code 
(fixer): RuleFix => fixer.remove(leftHandFinalToken)
  • Parameters:
  • fixer: any
  • Return Type: RuleFix
  • Calls:
  • fixer.remove

fix(fixer: any): RuleFix

Code 
(fixer): RuleFix => fixer.remove(leftHandFinalToken)
  • Parameters:
  • fixer: any
  • Return Type: RuleFix
  • Calls:
  • fixer.remove

fix(fixer: any): RuleFix

Code 
(fixer): RuleFix => fixer.remove(leftHandFinalToken)
  • Parameters:
  • fixer: any
  • Return Type: RuleFix
  • Calls:
  • fixer.remove

fix(fixer: any): RuleFix

Code 
(fixer): RuleFix => fixer.remove(leftHandFinalToken)
  • Parameters:
  • fixer: any
  • Return Type: RuleFix
  • Calls:
  • fixer.remove

fix(fixer: any): RuleFix

Code 
(fixer): RuleFix => fixer.remove(leftHandFinalToken)
  • Parameters:
  • fixer: any
  • Return Type: RuleFix
  • Calls:
  • fixer.remove

fix(fixer: any): RuleFix

Code 
(fixer): RuleFix => fixer.remove(leftHandFinalToken)
  • Parameters:
  • fixer: any
  • Return Type: RuleFix
  • Calls:
  • fixer.remove

fix(fixer: any): RuleFix

Code 
(fixer): RuleFix => fixer.remove(leftHandFinalToken)
  • Parameters:
  • fixer: any
  • Return Type: RuleFix
  • Calls:
  • fixer.remove

fix(fixer: any): RuleFix

Code 
(fixer): RuleFix => fixer.remove(leftHandFinalToken)
  • Parameters:
  • fixer: any
  • Return Type: RuleFix
  • Calls:
  • fixer.remove

fix(fixer: any): RuleFix

Code 
(fixer): RuleFix => fixer.remove(leftHandFinalToken)
  • Parameters:
  • fixer: any
  • Return Type: RuleFix
  • Calls:
  • fixer.remove

fix(fixer: any): RuleFix

Code 
(fixer): RuleFix => fixer.remove(leftHandFinalToken)
  • Parameters:
  • fixer: any
  • Return Type: RuleFix
  • Calls:
  • fixer.remove

fix(fixer: any): RuleFix

Code 
(fixer): RuleFix => fixer.remove(leftHandFinalToken)
  • Parameters:
  • fixer: any
  • Return Type: RuleFix
  • Calls:
  • fixer.remove

fix(fixer: any): RuleFix

Code 
(fixer): RuleFix => fixer.remove(leftHandFinalToken)
  • Parameters:
  • fixer: any
  • Return Type: RuleFix
  • Calls:
  • fixer.remove

fix(fixer: any): RuleFix

Code 
(fixer): RuleFix => fixer.remove(leftHandFinalToken)
  • Parameters:
  • fixer: any
  • Return Type: RuleFix
  • Calls:
  • fixer.remove

fix(fixer: any): RuleFix

Code 
(fixer): RuleFix => fixer.remove(leftHandFinalToken)
  • Parameters:
  • fixer: any
  • Return Type: RuleFix
  • Calls:
  • fixer.remove

fix(fixer: any): RuleFix

Code 
(fixer): RuleFix => fixer.remove(leftHandFinalToken)
  • Parameters:
  • fixer: any
  • Return Type: RuleFix
  • Calls:
  • fixer.remove

fix(fixer: any): RuleFix

Code 
(fixer): RuleFix => fixer.remove(leftHandFinalToken)
  • Parameters:
  • fixer: any
  • Return Type: RuleFix
  • Calls:
  • fixer.remove

fix(fixer: any): RuleFix

Code 
(fixer): RuleFix => fixer.remove(leftHandFinalToken)
  • Parameters:
  • fixer: any
  • Return Type: RuleFix
  • Calls:
  • fixer.remove

fix(fixer: any): RuleFix

Code 
(fixer): RuleFix => fixer.remove(leftHandFinalToken)
  • Parameters:
  • fixer: any
  • Return Type: RuleFix
  • Calls:
  • fixer.remove

fix(fixer: any): RuleFix

Code 
(fixer): RuleFix => fixer.remove(leftHandFinalToken)
  • Parameters:
  • fixer: any
  • Return Type: RuleFix
  • Calls:
  • fixer.remove

fix(fixer: any): RuleFix

Code 
(fixer): RuleFix => fixer.remove(leftHandFinalToken)
  • Parameters:
  • fixer: any
  • Return Type: RuleFix
  • Calls:
  • fixer.remove

fix(fixer: any): RuleFix

Code 
(fixer): RuleFix => fixer.remove(leftHandFinalToken)
  • Parameters:
  • fixer: any
  • Return Type: RuleFix
  • Calls:
  • fixer.remove

wrapUpLeftFixer(node: TSESTree.AssignmentExpression | TSESTree.BinaryExpression): TSESLint.ReportFixFunction

Code 
function wrapUpLeftFixer(
  node: TSESTree.AssignmentExpression | TSESTree.BinaryExpression,
): TSESLint.ReportFixFunction {
  return (fixer): TSESLint.RuleFix[] => [
    fixer.insertTextBefore(node.left, '('),
    fixer.insertTextAfter(node.left, ')'),
  ];
}
  • Parameters:
  • node: TSESTree.AssignmentExpression | TSESTree.BinaryExpression
  • Return Type: TSESLint.ReportFixFunction
  • Calls:
  • fixer.insertTextBefore
  • fixer.insertTextAfter

Type Aliases

MessageId

type MessageId = | 'confusingAssign'
  | 'confusingEqual'
  | 'confusingOperator'
  | 'notNeedInAssign'
  | 'notNeedInEqualTest'
  | 'notNeedInOperator'
  | 'wrapUpLeft';

ConfusingOperator

type ConfusingOperator = typeof confusingOperators extends Set<infer T> ? T : never;