// Type definitions for @babel/parser // Project: https://github.com/babel/babel/tree/main/packages/babel-parser // Definitions by: Troy Gerwien // Marvin Hagemeister // Avi Vahl // TypeScript Version: 2.9 /** * Parse the provided code as an entire ECMAScript program. */ export function parse( input: string, options?: ParserOptions ): ParseResult; /** * Parse the provided code as a single expression. */ export function parseExpression( input: string, options?: ParserOptions ): ParseResult; export interface ParserOptions { /** * By default, import and export declarations can only appear at a program's top level. * Setting this option to true allows them anywhere where a statement is allowed. */ allowImportExportEverywhere?: boolean; /** * By default, await use is not allowed outside of an async function. * Set this to true to accept such code. */ allowAwaitOutsideFunction?: boolean; /** * By default, a return statement at the top level raises an error. * Set this to true to accept such code. */ allowReturnOutsideFunction?: boolean; allowSuperOutsideMethod?: boolean; /** * By default, exported identifiers must refer to a declared variable. * Set this to true to allow export statements to reference undeclared variables. */ allowUndeclaredExports?: boolean; /** * By default, Babel attaches comments to adjacent AST nodes. * When this option is set to false, comments are not attached. * It can provide up to 30% performance improvement when the input code has many comments. * @babel/eslint-parser will set it for you. * It is not recommended to use attachComment: false with Babel transform, * as doing so removes all the comments in output code, and renders annotations such as * /* istanbul ignore next *\/ nonfunctional. */ attachComment?: boolean; /** * By default, Babel always throws an error when it finds some invalid code. * When this option is set to true, it will store the parsing error and * try to continue parsing the invalid input file. */ errorRecovery?: boolean; /** * Indicate the mode the code should be parsed in. * Can be one of "script", "module", or "unambiguous". Defaults to "script". * "unambiguous" will make @babel/parser attempt to guess, based on the presence * of ES6 import or export statements. * Files with ES6 imports and exports are considered "module" and are otherwise "script". */ sourceType?: "script" | "module" | "unambiguous"; /** * Correlate output AST nodes with their source filename. * Useful when generating code and source maps from the ASTs of multiple input files. */ sourceFilename?: string; /** * By default, the first line of code parsed is treated as line 1. * You can provide a line number to alternatively start with. * Useful for integration with other source tools. */ startLine?: number; /** * By default, the parsed code is treated as if it starts from line 1, column 0. * You can provide a column number to alternatively start with. * Useful for integration with other source tools. */ startColumn?: number; /** * Array containing the plugins that you want to enable. */ plugins?: ParserPlugin[]; /** * Should the parser work in strict mode. * Defaults to true if sourceType === 'module'. Otherwise, false. */ strictMode?: boolean; /** * Adds a ranges property to each node: [node.start, node.end] */ ranges?: boolean; /** * Adds all parsed tokens to a tokens property on the File node. */ tokens?: boolean; /** * By default, the parser adds information about parentheses by setting * `extra.parenthesized` to `true` as needed. * When this option is `true` the parser creates `ParenthesizedExpression` * AST nodes instead of using the `extra` property. */ createParenthesizedExpressions?: boolean; } export type ParserPlugin = import("../src/typings").PluginConfig; export type { ParserPluginWithOptions, DecoratorsPluginOptions, PipelineOperatorPluginOptions, RecordAndTuplePluginOptions, FlowPluginOptions, TypeScriptPluginOptions, } from "../src/typings"; export const tokTypes: { // todo(flow->ts) real token type [name: string]: any; }; export interface ParseError { code: string; reasonCode: string; } type ParseResult = Result & { errors: ParseError[]; };