const { defaultResolver } = require('jest-resolve'); module.exports = function customResolver(request, options) { const resolve = options.defaultResolver || defaultResolver; try { return resolve(request, options); } catch (error) { if (request.startsWith('.') && request.endsWith('.js')) { try { return resolve(request.replace(/\.js$/, '.ts'), options); } catch (tsError) { tsError.cause = tsError.cause ?? error; throw tsError; } } throw error; } };