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📄 parser-options.ts

📊 Analysis Summary

Metric	Count
📦 Imports	2
📐 Interfaces	2
📑 Type Aliases	6

📚 Table of Contents

• Imports
• Interfaces
• Type Aliases

🛠️ File Location:

📂 packages/types/src/parser-options.ts

📦 Imports

Name	Source
Program	typescript
Lib	./lib

---

Interfaces

ProjectServiceOptions

Interface Code

export interface ProjectServiceOptions {
  /**
   * Globs of files to allow running with the default project compiler options
   * despite not being matched by the project service.
   */
  allowDefaultProject?: string[];

  /**
   * Path to a TSConfig to use instead of TypeScript's default project configuration.
   * @default 'tsconfig.json'
   */
  defaultProject?: string;

  /**
   * Whether to allow TypeScript plugins as configured in the TSConfig.
   */
  loadTypeScriptPlugins?: boolean;

  /**
   * The maximum number of files {@link allowDefaultProject} may match.
   * Each file match slows down linting, so if you do need to use this, please
   * file an informative issue on typescript-eslint explaining why - so we can
   * help you avoid using it!
   * @default 8
   */
  maximumDefaultProjectFileMatchCount_THIS_WILL_SLOW_DOWN_LINTING?: number;
}

Properties

Name	Type	Optional	Description
allowDefaultProject	string[]	✓
defaultProject	string	✓
loadTypeScriptPlugins	boolean	✓
maximumDefaultProjectFileMatchCount_THIS_WILL_SLOW_DOWN_LINTING	number	✓

ParserOptions

Interface Code

export interface ParserOptions {
  [additionalProperties: string]: unknown;
  cacheLifetime?: {
    glob?: CacheDurationSeconds;
  };

  // typescript-estree specific
  debugLevel?: DebugLevel;
  ecmaFeatures?:
    | {
        [key: string]: unknown;
        globalReturn?: boolean | undefined;
        jsx?: boolean | undefined;
      }
    | undefined;
  ecmaVersion?: EcmaVersion;

  // use emitDecoratorMetadata without specifying parserOptions.project
  emitDecoratorMetadata?: boolean;
  errorOnTypeScriptSyntacticAndSemanticIssues?: boolean;

  errorOnUnknownASTType?: boolean;
  // use experimentalDecorators without specifying parserOptions.project
  experimentalDecorators?: boolean;
  extraFileExtensions?: string[];
  filePath?: string;
  // use isolatedDeclarations without specifying parserOptions.project
  isolatedDeclarations?: boolean;
  jsDocParsingMode?: JSDocParsingMode;
  jsxFragmentName?: string | null;
  // scope-manager specific
  jsxPragma?: string | null;
  lib?: Lib[];
  programs?: Program[] | null;
  project?: boolean | string | string[] | null;
  projectFolderIgnoreList?: string[];
  projectService?: boolean | ProjectServiceOptions;
  range?: boolean;
  sourceType?: SourceType | undefined;
  tokens?: boolean;
  tsconfigRootDir?: string;

  warnOnUnsupportedTypeScriptVersion?: boolean;
}

Properties

Name	Type	Optional	Description
cacheLifetime	`{
glob?: CacheDurationSeconds;
}`	✓
debugLevel	DebugLevel	✓
ecmaFeatures	`	{
[key: string]: unknown;
globalReturn?: boolean	undefined;
jsx?: boolean	undefined;
}
undefined`	✓
ecmaVersion	EcmaVersion	✓
emitDecoratorMetadata	boolean	✓
errorOnTypeScriptSyntacticAndSemanticIssues	boolean	✓
errorOnUnknownASTType	boolean	✓
experimentalDecorators	boolean	✓
extraFileExtensions	string[]	✓
filePath	string	✓
isolatedDeclarations	boolean	✓
jsDocParsingMode	JSDocParsingMode	✓
jsxFragmentName	string | null	✓
jsxPragma	string | null	✓
lib	Lib[]	✓
programs	Program[] | null	✓
project	boolean | string | string[] | null	✓
projectFolderIgnoreList	string[]	✓
projectService	boolean | ProjectServiceOptions	✓
range	boolean	✓
sourceType	SourceType | undefined	✓
tokens	boolean	✓
tsconfigRootDir	string	✓
warnOnUnsupportedTypeScriptVersion	boolean	✓

---

Type Aliases

DebugLevel

type DebugLevel = | boolean
  | ('eslint' | 'typescript' | 'typescript-eslint')[];

CacheDurationSeconds

type CacheDurationSeconds = number | 'Infinity';

EcmaVersion

type EcmaVersion = | 3
  | 5
  | 6
  | 7
  | 8
  | 9
  | 10
  | 11
  | 12
  | 13
  | 14
  | 15
  | 16
  | 2015
  | 2016
  | 2017
  | 2018
  | 2019
  | 2020
  | 2021
  | 2022
  | 2023
  | 2024
  | 2025
  | 'latest'
  | undefined;

SourceTypeClassic

type SourceTypeClassic = 'module' | 'script';

SourceType

type SourceType = 'commonjs' | SourceTypeClassic;

JSDocParsingMode

type JSDocParsingMode = 'all' | 'none' | 'type-info';

---