One BuiltConfig per a directory with swcrc
A single object in the .swcrc file
jsc.minify.format.
Second argument of minify.
jsc in .swcrc.
jsc.experimental in .swcrc
A tuple represents a plugin.
First element is a resolvable name to the plugin, second is a JSON object
that represents configuration option for those plugin.
Type of plugin’s configuration is up to each plugin - swc/core does not have
strong type and it’ll be serialized into plain string when it’s passed to
plugin’s entrypoint function.
jsc.minify.sourceMap