Using the method you're testing to generate expected
values can lead to bugs being masked.

Fix an issue with JSON encoding of "Infinity" and "NaN" values

Changelog edits

Add missing `+` around a some literals.

This alternative case expressions read better for my taste, and look more uniform
in a file where other similar case expressions are used (without dynamic clauses).

Fix spelling in API documentation

Add --skip-coffee generating option

[ci skip]

Add `:nodoc` to `table_structure`

The current implementation of AC::Parameters#permit builds permitted hashes and
then calls permit! on them.

This filtering is recursive, so we call permit! on terminal branches, but then
ascendants call permit! on themselves when the recursion goes up the stack,
which recurses all the way down again because permit! is recursive itself.
Repeat this for every parent node and you get some scary O-something going on
that I don't even want to compute.

Instead, since the whole point of the permit recursion is to build permitted
hashes along the way and at that point you know you've just come up with a
valid filtered version, you can already switch the toggle on the spot.

I have seen 2x speedups in casual benchmarks with small structures. As the
previous description shows, the difference in performance is going to be a
function of the nesting.

Note that that the involved methods are private and used only by permit.

Follow up to #27008.

`table_structure` is an internal method so it is better to hide it in
the doc. And alias `table_structure` to `column_definitions` to remove
the duplicated `columns` method in the sqlite3 adapter.

better docs for ActionView::ViewPaths#prepend_view_path [ci skip] 

✂️ extra line

Refactor column initialization into `new_column_from_field`

that accepts results of SHOW FIELDS