* Update functionality to maintain file output names when preserveModule = true

BREAKING CHANGES: Changes the default behaviour to not alter filenames
if preserveModules=true

* Fix docstring

* Tests

* Fix type doc

* Swap to use preserveModules config option instead

* Update readme and type docstrings

* Fix tests

* Revert odd changes in diff

* Improve test

* Fix tests

Co-authored-by: Blake Lovelace <blake.lovelace@health.telstra.com>

* build(terser): add terser plugin to collection

* build(terser): add README.md notice

* fix(terser): test-suite + rollup plugin definition

* style(terser): applied prettier rules

* style(terser): apply prettier on root README.md + minor eslint fixes

* test(terser): removed snapshot test due incorrect path with ava

Use file extensions for imports

…1350)

* fix: correctly wraps the default export from a CommonJS module when it is a class

Fixes https://github.com/vitejs/vite/issues/10853

Since 3c00191
the namespace became callable when requiring ESM with function default,
but it isn't newable, leading to errors when the function is actually a
class.

* test: update snapshots as the helper code has changed

BREAKING CHANGES: This fix changes the output directory for types with single-file builds