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📄 getParserServices

📊 Analysis Summary

Metric	Count
🔧 Functions	2
📦 Imports	3
📊 Variables & Constants	2

📚 Table of Contents

• Imports
• Variables & Constants
• Functions

🛠️ File Location:

📂 packages/utils/src/eslint-utils/getParserServices.ts

📦 Imports

Name	Source
ParserServices	../ts-estree
ParserServicesWithTypeInformation	../ts-estree
parserSeemsToBeTSESLint	./parserSeemsToBeTSESLint

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Variables & Constants

Name	Type	Kind	Value	Exported
ERROR_MESSAGE_REQUIRES_PARS...	"You have used a rule which requires ...	const	"You have used a rule which requires type information, but don't have parserO...	✗
ERROR_MESSAGE_UNKNOWN_PARSER	"Note: detected a parser other than @...	const	'Note: detected a parser other than @typescript-eslint/parser. Make sure the ...	✗

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Functions

getParserServices(context: Readonly<TSESLint.RuleContext<MessageId…): ParserServicesWithTypeInformation

Try to retrieve type-aware parser service from context. This will throw if it is not available.

Raw JSDoc

/**
 * Try to retrieve type-aware parser service from context.
 * This **_will_** throw if it is not available.
 */

Code

export function getParserServices<
  MessageIds extends string,
  Options extends readonly unknown[],
>(
  context: Readonly<TSESLint.RuleContext<MessageIds, Options>>,
): ParserServicesWithTypeInformation;

throwError(parser: string | undefined): never

Parameters:

• parser string | undefined

Returns: never

Calls:

• [ ERROR_MESSAGE_REQUIRES_PARSER_SERVICES,Parser: ${parser || '(unknown)'}, !parserSeemsToBeTSESLint(parser) && ERROR_MESSAGE_UNKNOWN_PARSER, ].filter
• parserSeemsToBeTSESLint (from ./parserSeemsToBeTSESLint)
• messages.join

Code

function throwError(parser: string | undefined): never {
  const messages = [
    ERROR_MESSAGE_REQUIRES_PARSER_SERVICES,
    `Parser: ${parser || '(unknown)'}`,
    !parserSeemsToBeTSESLint(parser) && ERROR_MESSAGE_UNKNOWN_PARSER,
  ].filter(Boolean);

  throw new Error(messages.join('\n'));
}

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