code: function find(deleted, file) {
      var meta = bundle[file].meta
        , match = files.some(function some (file) {
            return file === meta.location || ~meta.location.indexOf(file)
              || (meta.compiler && ~meta.compiler.imported.join(',').indexOf(file));
          });
  
      if (!match) return;
  
      // If we check previous for deleted files, don't read content.
      if (!deleted) {
        self.hold(meta.location); // Temporary freeze of the event loop.
        self.package.bundle[file].meta.content = fs.readFileSync(meta.location, 'utf8');
      }
  
      // Add the file extension to the extensions list so we can create
      // a dedicated rebuild.
      extensions.push(meta.output);
      changes.push(file);
    }
docs: Find file in the bundle.
  
  @param {Boolean} deleted are we checking for deleted files
  @param {String} file
  @api private