Function hasFile

hasFile(options?): Promise<boolean>
Searches all files from starting directory skipping any directories in skipDir and those starting with . in an attempt to locate a Babel configuration file. If a Babel configuration file is found true is immediately returned.
Parameters
- Optional options: {
      dir?: string;
      excludeDir?: ConditionTest;
      excludeFile?: ConditionTest;
      includeDir?: ConditionTest;
      includeFile?: ConditionTest;
      walk?: boolean;
  }
  Options object.
  - Optional dir?: string
    The directory to start walking; default is CWD / ..
  - Optional excludeDir?: ConditionTest
    A ConditionTest defining directory names to exclude.
  - Optional excludeFile?: ConditionTest
    A ConditionTest defining file names to exclude.
  - Optional includeDir?: ConditionTest
    A ConditionTest defining directory names to include.
  - Optional includeFile?: ConditionTest
    A ConditionTest defining file names to include.
  - Optional walk?: boolean
    When true subdirectories are walked.
Returns Promise<boolean>
Whether a file passes the condition tests provided.