Function getConfig

e2e/runJest.ts:285–313

(
  dir: string,
  args: Array<string> = [],
  options?: RunJestOptions,
)

// return type matches output of logDebugMessages
export function getConfig(
  dir: string,
  args: Array<string> = [],
  options?: RunJestOptions,
): {
  globalConfig: Config.GlobalConfig;
  configs: Array<Config.ProjectConfig>;
  version: string;
} {
  const {exitCode, stdout, stderr} = runJest(
    dir,
    [...args, '--show-config'],
    options,
  );

  try {
    expect(exitCode).toBe(0);
  } catch (error) {
    console.error('Exit code is not 0', {stderr, stdout});
    throw error;
  }

  const {testPathPatterns, ...globalConfig} = JSON.parse(stdout);

  return {
    ...globalConfig,
    testPathPatterns: new TestPathPatterns(testPathPatterns),
  };
}