User:JJPMaster/cascadingImport.js
importScript("User:JJPMaster/prettyImport.js") // Backlink: [[User:JJPMaster/prettyImport.js]]
mw.util.addPortletLink('p-personal', mw.util.getUrl("Special:Import", { page: `User:${mw.config.get('wgUserName')}/CascadingImportation`, cascading: 'true', summary: `Mass-importing pages: (reason here)` }), 'Cascading import', 'pt-cascade', 'Import pages en masse');