* drop empty lines when diffing output
* replace expected css with optimized lightningcss output
Lightning CSS generates a more optimal CSS output.
Right now the tests are setup in a way that both the generated css and
expected css are run through `lightningcss` to make sure that the output
is concistent for the `stable` and `oxide` engines. But this also means
that the expected output _could_ be larger (aka not optimized) and still
matches (after it runs through lightningcss).
By replacing this with the more optimal output we achieve a few things:
1. This better reflects reality since we will be using `lightningcss`.
2. This gets rid of unnecessary css.
3. Removed code!
* Run test suite against both engines
* make eslint happy
* only run `stable` tests on Node 12
* use normal expectation instead of snapshot file
When we run the tests only against `stable` (for node 12), then the
snapshots exists for the `Oxide` build. They are marked as `obsolete`
and will cause the `npm run test` script to fail. Sadly.
Inlined them for now, but ideally we make those tests more blackbox-y so
that we test that we get source maps and that we can map the sourcemap
back to the input files (without looking at the actual annotations).
* properly indent inline css
Co-authored-by: Adam Wathan <4323180+adamwathan@users.noreply.github.com>
Co-authored-by: Robin Malfait <malfait.robin@gmail.com>
