Function addLcovToJest

packages/plugin-coverage/src/lib/config-file.ts:46–62

(content: string)

}

function addLcovToJest(content: string): string {
  try {
    const mod = parseModule(content);
    const config = getDefaultExportOptions(mod);
    const reporters = config['coverageReporters'];
    if (!reporters?.['length']) {
      return content;
    }
    deepMergeObject(
      config,
      buildNestedObject(['coverageReporters'], [...reporters, 'lcov']),
    );
    return generateCode(mod).code;
  } catch {
    return content;
  }
}

export function buildNestedObject(
  segments: string[],