Method resolveModule

packages/mocker/src/node/resolver.ts:123–132

(rawId: string, resolved: Rollup.PartialResolvedId | null)

  }

  private resolveModule(rawId: string, resolved: Rollup.PartialResolvedId | null) {
    const id = resolved?.id || rawId
    const external
      = !isAbsolute(id) || isModuleDirectory(this.options, id) ? rawId : null
    return {
      id,
      fsPath: cleanUrl(id),
      external,
    }
  }
}

function isModuleDirectory(config: ServerResolverOptions, path: string) {