Just ran npm install and it complained the lockfile format is old
and updated it.

Browsers might struggle to render large result sets. There's no
reliable way to know, so pick an arbitrary size and warn the user,
giving them a choice of downloading tabular data for local analysis
or attempting to render the large result.

Invoking a method that has side-effects (calculating and assigning values,
generating files etc) as a part of the initializer makes the objects
much harder to test and work with. When working with reports, make
result generation explicit, rather than directly invoking it as soon
as the object is initialized.