Arne Gödeke

Using require() as an expression leads to compile errors in webpack. This issue can be solved by guarding the use of require by the 'correct' run-time check using `typeof require`....

Safari added passive event listeners, chrome supports them for some time already. Unfortunately, the way they were specified makes compatibility very ugly. We have no choice, we need to take...

Some widgets set base=min, if base is not set. This is not good.

Implement invalid as a Set

1

The current Invalid class is not ideal. This change depends on IE11.

Generate less DOM nodes

3

In many widgets like circular, DOM nodes are created but are often left empty, like markers, dots, etc. Create those nodes dynamically when they are needed. They increase the size...

Classes like "toolkit-warn", "toolkit-dragging", etc. are regularly set but often do not have any associated styles. They trigger style recalculation and relayout. Introduce options to make those classes optional.

The pager should be able to optionally preload pages. This is only necessary initially...

We need more warnings and error handling. - switch statements should _usually_ have a warning in the default case - missing mandatory options should generate a warning - .... and...