code: function(nodePath, state) {
          var replacements = [];
          var node = nodePath.node;
          if (node.declaration) {
            replacements.push(node.declaration);
            if (t.isVariableDeclaration(node.declaration)) {
              node.declaration.declarations.forEach(assignDeclarationToGlobal.bind(null, state, replacements));
            } else {
              assignDeclarationToGlobal(state, replacements, node.declaration);
            }
          } else {
            node.specifiers.forEach(function(specifier) {
              var exprToAssign = specifier.local;
              if (node.source) {
                var specifierName = specifier.local ? specifier.local.name : null;
                exprToAssign = getGlobalExpression(state, node.source.value, specifierName);
              }
  
              var filenameNoExt = getFilenameNoExt(state.file.opts.filename);
              var expr = getGlobalExpression(state, filenameNoExt, specifier.exported.name);
              assignToGlobal(expr, replacements, exprToAssign);
            });
          }
  
          nodePath.replaceWithMultiple(replacements);
        }
docs: Replaces named export declarations with assignments to global variables.
  @param {!NodePath} nodePath
  @param {!Object} state