ts-jest-resolver/types/index.d.ts

A resolver for `jest` that uses same strategy as TS when resolving files with JavaScript extension (".js").

import type { ResolverOptions } from 'jest-resolve';
export type Path = string;
export type { ResolverOptions };
/**
 * A resolver for `jest` that uses same strategy as TS when resolving files with
 * JavaScript extension (".js"). Otherwise it just uses default resolver.
 *
 * When receives a path with JavaScript extension (".js" or ".jsx"):
 * 1. It tries to resolve to a path with ".tsx".
 * 2. If no file was found, it tries to resolve to a path with ".ts".
 * 3. If no file was found, it resolves to original path (with ".js" or ".jsx").
 *
 * When receives a path with ES modules extension (".mjs"):
 * 1. It tries to resolve to a path with ".mts".
 * 2. If no file was found, it resolves to original path (with ".mjs").
 *
 * When receives a path with CommonJS modules extension (".cjs"):
 * 1. It tries to resolve to a path with ".cts".
 * 2. If no file was found, it resolves to original path (with ".cjs").
 */
declare function resolverForTSJest(path: Path, options: ResolverOptions): Path;
export default resolverForTSJest;
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