// Simple, internal Object.assign() polyfill for options objects etc.

module.exports = Object.assign != null ? Object.assign.bind( Object ) : function( tgt, ...srcs ){
  srcs.forEach( src => {
    Object.keys( src ).forEach( k => tgt[k] = src[k] );
  } );

  return tgt;
};

@@ -169,16 +169,43 @@
 %0A  srcs.
+filter(src =%3E src != null).
 forEach(

Make internal assign polyfill more compatible on really old browsers like IE9