ts-node
Version:
TypeScript execution environment and REPL for node.js, with source map support
247 lines (246 loc) • 8.19 kB
TypeScript
import { BaseError } from 'make-error';
import type * as _ts from 'typescript';
import type { TSCommon } from './ts-compiler-types';
export { TSCommon };
export { createRepl, CreateReplOptions, ReplService, EvalAwarePartialHost, } from './repl';
export type { TranspilerModule, TranspilerFactory, CreateTranspilerOptions, TranspileOutput, TranspileOptions, Transpiler, } from './transpilers/types';
/**
* Registered `ts-node` instance information.
*/
export declare const REGISTER_INSTANCE: unique symbol;
/**
* Expose `REGISTER_INSTANCE` information on node.js `process`.
*/
declare global {
namespace NodeJS {
interface Process {
[REGISTER_INSTANCE]?: Service;
}
}
}
/**
* Export the current version.
*/
export declare const VERSION: any;
/**
* Options for creating a new TypeScript compiler instance.
*/
export interface CreateOptions {
/**
* Behave as if invoked within this working directory. Roughly equivalent to `cd $dir && ts-node ...`
*
* @default process.cwd()
*/
cwd?: string;
/**
* Legacy alias for `cwd`
*
* @deprecated use `projectSearchDir` or `cwd`
*/
dir?: string;
/**
* Emit output files into `.ts-node` directory.
*
* @default false
*/
emit?: boolean;
/**
* Scope compiler to files within `scopeDir`.
*
* @default false
*/
scope?: boolean;
/**
* @default First of: `tsconfig.json` "rootDir" if specified, directory containing `tsconfig.json`, or cwd if no `tsconfig.json` is loaded.
*/
scopeDir?: string;
/**
* Use pretty diagnostic formatter.
*
* @default false
*/
pretty?: boolean;
/**
* Use TypeScript's faster `transpileModule`.
*
* @default false
*/
transpileOnly?: boolean;
/**
* **DEPRECATED** Specify type-check is enabled (e.g. `transpileOnly == false`).
*
* @default true
*/
typeCheck?: boolean;
/**
* Use TypeScript's compiler host API instead of the language service API.
*
* @default false
*/
compilerHost?: boolean;
/**
* Logs TypeScript errors to stderr instead of throwing exceptions.
*
* @default false
*/
logError?: boolean;
/**
* Load "files" and "include" from `tsconfig.json` on startup.
*
* Default is to override `tsconfig.json` "files" and "include" to only include the entrypoint script.
*
* @default false
*/
files?: boolean;
/**
* Specify a custom TypeScript compiler.
*
* @default "typescript"
*/
compiler?: string;
/**
* Specify a custom transpiler for use with transpileOnly
*/
transpiler?: string | [string, object];
/**
* Paths which should not be compiled.
*
* Each string in the array is converted to a regular expression via `new RegExp()` and tested against source paths prior to compilation.
*
* Source paths are normalized to posix-style separators, relative to the directory containing `tsconfig.json` or to cwd if no `tsconfig.json` is loaded.
*
* Default is to ignore all node_modules subdirectories.
*
* @default ["(?:^|/)node_modules/"]
*/
ignore?: string[];
/**
* Path to TypeScript config file or directory containing a `tsconfig.json`.
* Similar to the `tsc --project` flag: https://www.typescriptlang.org/docs/handbook/compiler-options.html
*/
project?: string;
/**
* Search for TypeScript config file (`tsconfig.json`) in this or parent directories.
*/
projectSearchDir?: string;
/**
* Skip project config resolution and loading.
*
* @default false
*/
skipProject?: boolean;
/**
* Skip ignore check, so that compilation will be attempted for all files with matching extensions.
*
* @default false
*/
skipIgnore?: boolean;
/**
* JSON object to merge with TypeScript `compilerOptions`.
*
* @allOf [{"$ref": "https://schemastore.azurewebsites.net/schemas/json/tsconfig.json#definitions/compilerOptionsDefinition/properties/compilerOptions"}]
*/
compilerOptions?: object;
/**
* Ignore TypeScript warnings by diagnostic code.
*/
ignoreDiagnostics?: Array<number | string>;
/**
* Modules to require, like node's `--require` flag.
*
* If specified in `tsconfig.json`, the modules will be resolved relative to the `tsconfig.json` file.
*
* If specified programmatically, each input string should be pre-resolved to an absolute path for
* best results.
*/
require?: Array<string>;
readFile?: (path: string) => string | undefined;
fileExists?: (path: string) => boolean;
transformers?: _ts.CustomTransformers | ((p: _ts.Program) => _ts.CustomTransformers);
/**
* Allows the usage of top level await in REPL.
*
* Uses node's implementation which accomplishes this with an AST syntax transformation.
*
* Enabled by default when tsconfig target is es2018 or above. Set to false to disable.
*
* **Note**: setting to `true` when tsconfig target is too low will throw an Error. Leave as `undefined`
* to get default, automatic behavior.
*/
experimentalReplAwait?: boolean;
/**
* Override certain paths to be compiled and executed as CommonJS or ECMAScript modules.
* When overridden, the tsconfig "module" and package.json "type" fields are overridden.
* This is useful because TypeScript files cannot use the .cjs nor .mjs file extensions;
* it achieves the same effect.
*
* Each key is a glob pattern following the same rules as tsconfig's "include" array.
* When multiple patterns match the same file, the last pattern takes precedence.
*
* `cjs` overrides matches files to compile and execute as CommonJS.
* `esm` overrides matches files to compile and execute as native ECMAScript modules.
* `package` overrides either of the above to default behavior, which obeys package.json "type" and
* tsconfig.json "module" options.
*/
moduleTypes?: Record<string, 'cjs' | 'esm' | 'package'>;
}
/**
* Options for registering a TypeScript compiler instance globally.
*/
export interface RegisterOptions extends CreateOptions {
/**
* Re-order file extensions so that TypeScript imports are preferred.
*
* For example, when both `index.js` and `index.ts` exist, enabling this option causes `require('./index')` to resolve to `index.ts` instead of `index.js`
*
* @default false
*/
preferTsExts?: boolean;
}
/**
* Must be an interface to support `typescript-json-schema`.
*/
export interface TsConfigOptions extends Omit<RegisterOptions, 'transformers' | 'readFile' | 'fileExists' | 'skipProject' | 'project' | 'dir' | 'cwd' | 'projectSearchDir' | 'experimentalEsmLoader' | 'optionBasePaths'> {
}
/**
* Information retrieved from type info check.
*/
export interface TypeInfo {
name: string;
comment: string;
}
/**
* TypeScript diagnostics error.
*/
export declare class TSError extends BaseError {
diagnosticText: string;
diagnosticCodes: number[];
name: string;
constructor(diagnosticText: string, diagnosticCodes: number[]);
}
/**
* Primary ts-node service, which wraps the TypeScript API and can compile TypeScript to JavaScript
*/
export interface Service {
ts: TSCommon;
config: _ts.ParsedCommandLine;
options: RegisterOptions;
enabled(enabled?: boolean): boolean;
ignored(fileName: string): boolean;
compile(code: string, fileName: string, lineOffset?: number): string;
getTypeInfo(code: string, fileName: string, position: number): TypeInfo;
}
/**
* Re-export of `Service` interface for backwards-compatibility
* @deprecated use `Service` instead
* @see {Service}
*/
export declare type Register = Service;
/**
* Register TypeScript compiler instance onto node.js
*/
export declare function register(opts?: RegisterOptions): Service;
/**
* Create TypeScript compiler instance.
*/
export declare function create(rawOptions?: CreateOptions): Service;