isPortraitOrientation
web/base_viewer.js
web/ui_utils.js
A couple of basic unit-tests are added, and a manual `isLandscape` check (in `web/base_viewer.js`) is also converted to use the helper function instead.
test/
comma-dangle
object-curly-spacing
mozFillRule
mozilla/use-includes-instead-of-indexOf
SimpleLinkService