PDF.js: catalogue JSON profile with spreads

The catalog.json profile

File: media/plg_system_wtpdfjs-config/catalog.json. Light theme and paired pages. For a separate cover, try spreadModeOnLoad=2; check the page order in your PDF.

JSON example

{
  "defaultZoomValue": "page-fit",
  "viewerCssTheme": 1,
  "sidebarViewOnLoad": 1,
  "scrollModeOnLoad": 0,
  "spreadModeOnLoad": 1,
  "viewOnLoad": 1
}