Function appendFile

FS.common.js:427–453

(filepath: string, contents: string, encodingOrOptions?: any)

  },

  appendFile(filepath: string, contents: string, encodingOrOptions?: any): Promise<void> {
    var b64;

    var options = {
      encoding: 'utf8'
    };

    if (encodingOrOptions) {
      if (typeof encodingOrOptions === 'string') {
        options.encoding = encodingOrOptions;
      } else if (typeof encodingOrOptions === 'object') {
        options = encodingOrOptions;
      }
    }

    if (options.encoding === 'utf8') {
      b64 = base64.encode(utf8.encode(contents));
    } else if (options.encoding === 'ascii') {
      b64 = base64.encode(contents);
    } else if (options.encoding === 'base64') {
      b64 = contents;
    } else {
      throw new Error('Invalid encoding type "' + options.encoding + '"');
    }

    return RNFSManager.appendFile(normalizeFilePath(filepath), b64);
  },

  write(filepath: string, contents: string, position?: number, encodingOrOptions?: any): Promise<void> {
    var b64;