code: function getPlatformVariant() {
    var contents = '';
  
    if (process.platform !== 'linux') {
      return '';
    }
  
    try {
      contents = fs.readFileSync(process.execPath);
  
      // Buffer.indexOf was added in v1.5.0 so cast to string for old node
      // Delay contents.toStrings because it's expensive
      if (!contents.indexOf) {
        contents = contents.toString();
      }
  
      if (contents.indexOf('libc.musl-x86_64.so.1') !== -1) {
        return 'musl';
      }
    } catch (err) { } // eslint-disable-line no-empty
  
    return '';
  }
docs: Gets the platform variant, currently either an empty string or 'musl' for Linux/musl platforms.
  
  @api public