Follow those steps to develop new filters.
| Steps | Description | Command |
|---|---|---|
| 01 | Install npm | sudo npm install |
| 02 | If you have installed Grunt globally in the past, you will need to remove it first | npm uninstall -g grunt |
| 03 | Install grunt-cli | npm install -g grunt-cli |
| 04 | Install grunt to current project | npm install grunt --save-dev |
| 05 | And finally run it with | grunt watch |