You might need to set the NODE_PATH environment variable:
Download the dependencies:
Configure your Parsoid web service.
cp config.example.yaml config.yaml # Tweak config.yaml
Run the webservice:
More installation details are available at https://www.mediawiki.org/wiki/Parsoid/Setup
Developer API documentation can be found at https://doc.wikimedia.org/Parsoid/master/
And some helpful getting-started guides are at https://doc.wikimedia.org/Parsoid/master/
Copyright (c) 2011-2015 Wikimedia Foundation and others; see
This program is free software; you can redistribute it and/or modify it under the terms of the GNU General Public License as published by the Free Software Foundation; either version 2 of the License, or (at your option) any later version.
This program is distributed in the hope that it will be useful, but WITHOUT ANY WARRANTY; without even the implied warranty of MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU General Public License for more details.
You should have received a copy of the GNU General Public License along with this program; if not, write to the Free Software Foundation, Inc., 51 Franklin Street, Fifth Floor, Boston, MA 02110-1301 USA.