219 lines
9.8 KiB
Plaintext
219 lines
9.8 KiB
Plaintext
import type { CacheDurationSeconds, DebugLevel, JSDocParsingMode, ProjectServiceOptions, SourceType } from '@typescript-eslint/types';
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import type * as ts from 'typescript';
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import type { TSESTree, TSESTreeToTSNode, TSNode, TSToken } from './ts-estree';
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interface ParseOptions {
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/**
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* Specify the `sourceType`.
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* For more details, see https://github.com/typescript-eslint/typescript-eslint/pull/9121
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*/
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sourceType?: SourceType;
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/**
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* Prevents the parser from throwing an error if it receives an invalid AST from TypeScript.
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* This case only usually occurs when attempting to lint invalid code.
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*/
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allowInvalidAST?: boolean;
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/**
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* create a top-level comments array containing all comments
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*/
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comment?: boolean;
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/**
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* An array of modules to turn explicit debugging on for.
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* - 'typescript-eslint' is the same as setting the env var `DEBUG=typescript-eslint:*`
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* - 'eslint' is the same as setting the env var `DEBUG=eslint:*`
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* - 'typescript' is the same as setting `extendedDiagnostics: true` in your tsconfig compilerOptions
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*
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* For convenience, also supports a boolean:
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* - true === ['typescript-eslint']
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* - false === []
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*/
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debugLevel?: DebugLevel;
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/**
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* Cause the parser to error if it encounters an unknown AST node type (useful for testing).
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* This case only usually occurs when TypeScript releases new features.
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*/
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errorOnUnknownASTType?: boolean;
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/**
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* Absolute (or relative to `cwd`) path to the file being parsed.
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*/
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filePath?: string;
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/**
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* If you are using TypeScript version >=5.3 then this option can be used as a performance optimization.
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*
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* The valid values for this rule are:
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* - `'all'` - parse all JSDoc comments, always.
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* - `'none'` - parse no JSDoc comments, ever.
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* - `'type-info'` - parse just JSDoc comments that are required to provide correct type-info. TS will always parse JSDoc in non-TS files, but never in TS files.
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*
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* If you do not rely on JSDoc tags from the TypeScript AST, then you can safely set this to `'none'` to improve performance.
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*/
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jsDocParsingMode?: JSDocParsingMode;
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/**
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* Enable parsing of JSX.
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* For more details, see https://www.typescriptlang.org/docs/handbook/jsx.html
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*
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* NOTE: this setting does not effect known file types (.js, .cjs, .mjs, .jsx, .ts, .mts, .cts, .tsx, .json) because the
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* TypeScript compiler has its own internal handling for known file extensions.
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*
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* For the exact behavior, see https://github.com/typescript-eslint/typescript-eslint/tree/main/packages/parser#parseroptionsecmafeaturesjsx
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*/
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jsx?: boolean;
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/**
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* Controls whether the `loc` information to each node.
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* The `loc` property is an object which contains the exact line/column the node starts/ends on.
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* This is similar to the `range` property, except it is line/column relative.
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*/
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loc?: boolean;
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loggerFn?: ((message: string) => void) | false;
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/**
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* Controls how the parser reacts when run with a TypeScript version that is
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* not officially supported by typescript-eslint.
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* - `'warn'` (default): log a warning via {@link loggerFn}.
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* - `'error'`: throw, regardless of {@link loggerFn}.
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* - `'ignore'`: do nothing.
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*/
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onUnsupportedTypeScriptVersion?: 'error' | 'ignore' | 'warn';
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/**
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* Controls whether the `range` property is included on AST nodes.
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* The `range` property is a [number, number] which indicates the start/end index of the node in the file contents.
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* This is similar to the `loc` property, except this is the absolute index.
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*/
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range?: boolean;
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/**
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* Set to true to create a top-level array containing all tokens from the file.
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*/
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tokens?: boolean;
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/**
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* Whether deprecated AST properties should skip calling console.warn on accesses.
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*/
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suppressDeprecatedPropertyWarnings?: boolean;
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}
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interface ParseAndGenerateServicesOptions extends ParseOptions {
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/**
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* Granular control of the expiry lifetime of our internal caches.
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* You can specify the number of seconds as an integer number, or the string
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* 'Infinity' if you never want the cache to expire.
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*
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* By default cache entries will be evicted after 30 seconds, or will persist
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* indefinitely if `disallowAutomaticSingleRunInference = false` AND the parser
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* infers that it is a single run.
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*/
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cacheLifetime?: {
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/**
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* Glob resolution for `parserOptions.project` values.
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*/
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glob?: CacheDurationSeconds;
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};
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/**
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* ESLint (and therefore typescript-eslint) is used in both "single run"/one-time contexts,
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* such as an ESLint CLI invocation, and long-running sessions (such as continuous feedback
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* on a file in an IDE).
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*
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* When typescript-eslint handles TypeScript Program management behind the scenes, this distinction
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* is important because there is significant overhead to managing the so called Watch Programs
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* needed for the long-running use-case.
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*
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* By default, we will use common heuristics to infer whether ESLint is being
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* used as part of a single run. This option disables those heuristics, and
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* therefore the performance optimizations gained by them.
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*
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* In other words, typescript-eslint is faster by default, and this option
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* disables an automatic performance optimization.
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*
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* This setting's default value can be specified by setting a `TSESTREE_SINGLE_RUN`
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* environment variable to `"false"` or `"true"`.
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* Otherwise, the default value is `false`.
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*/
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disallowAutomaticSingleRunInference?: boolean;
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/**
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* Causes the parser to error if the TypeScript compiler returns any unexpected syntax/semantic errors.
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*/
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errorOnTypeScriptSyntacticAndSemanticIssues?: boolean;
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/**
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* When `project` is provided, this controls the non-standard file extensions which will be parsed.
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* It accepts an array of file extensions, each preceded by a `.`.
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*
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* NOTE: When used with {@link projectService}, full project reloads may occur.
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*/
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extraFileExtensions?: string[];
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/**
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* Absolute (or relative to `tsconfigRootDir`) path to the file being parsed.
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* When `project` is provided, this is required, as it is used to fetch the file from the TypeScript compiler's cache.
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*/
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filePath?: string;
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/**
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* Allows the user to control whether or not two-way AST node maps are preserved
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* during the AST conversion process.
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*
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* By default: the AST node maps are NOT preserved, unless `project` has been specified,
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* in which case the maps are made available on the returned `parserServices`.
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*
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* NOTE: If `preserveNodeMaps` is explicitly set by the user, it will be respected,
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* regardless of whether or not `project` is in use.
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*/
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preserveNodeMaps?: boolean;
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/**
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* Absolute (or relative to `tsconfigRootDir`) paths to the tsconfig(s),
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* or `true` to find the nearest tsconfig.json to the file.
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* If this is provided, type information will be returned.
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*
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* If set to `false`, `null` or `undefined` type information will not be returned.
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*
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* Note that {@link projectService} is now preferred.
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*/
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project?: boolean | string | string[] | null;
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/**
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* If you provide a glob (or globs) to the project option, you can use this option to ignore certain folders from
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* being matched by the globs.
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* This accepts an array of globs to ignore.
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*
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* By default, this is set to ["**\/node_modules/**"]
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*/
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projectFolderIgnoreList?: string[];
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/**
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* Whether to create a shared TypeScript project service to power program creation.
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*/
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projectService?: boolean | ProjectServiceOptions;
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/**
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* The absolute path to the root directory for all provided `project`s.
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*/
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tsconfigRootDir?: string;
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/**
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* An array of one or more instances of TypeScript Program objects to be used for type information.
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* This overrides any program or programs that would have been computed from the `project` option.
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* All linted files must be part of the provided program(s).
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*/
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programs?: ts.Program[] | null;
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}
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export type TSESTreeOptions = ParseAndGenerateServicesOptions;
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export interface ParserWeakMap<Key, ValueBase> {
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get<Value extends ValueBase>(key: Key): Value;
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has(key: unknown): boolean;
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}
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export interface ParserWeakMapESTreeToTSNode<Key extends TSESTree.Node = TSESTree.Node> {
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get<KeyBase extends Key>(key: KeyBase): TSESTreeToTSNode<KeyBase>;
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has(key: unknown): boolean;
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}
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export interface ParserServicesBase {
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emitDecoratorMetadata: boolean | undefined;
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experimentalDecorators: boolean | undefined;
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isolatedDeclarations: boolean | undefined;
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}
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export interface ParserServicesNodeMaps {
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esTreeNodeToTSNodeMap: ParserWeakMapESTreeToTSNode;
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tsNodeToESTreeNodeMap: ParserWeakMap<TSNode | TSToken, TSESTree.Node>;
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}
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export interface ParserServicesWithTypeInformation extends ParserServicesNodeMaps, ParserServicesBase {
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getSymbolAtLocation: (node: TSESTree.Node) => ts.Symbol | undefined;
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getTypeAtLocation: (node: TSESTree.Node) => ts.Type;
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getContextualType: (node: TSESTree.Expression) => ts.Type | undefined;
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getResolvedSignature: (node: TSESTree.CallExpression | TSESTree.NewExpression) => ts.Signature | undefined;
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getTypeFromTypeNode: (node: TSESTree.TypeNode) => ts.Type;
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getTypeOfSymbolAtLocation: (symbol: ts.Symbol, node: TSESTree.Node) => ts.Type;
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program: ts.Program;
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}
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export interface ParserServicesWithoutTypeInformation extends ParserServicesNodeMaps, ParserServicesBase {
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program: null;
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}
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export type ParserServices = ParserServicesWithoutTypeInformation | ParserServicesWithTypeInformation;
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export {};
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