* remove type assertion

* use type imports

* simplify creating Set

* use ternary to assign type (remove any)

* use readonly, add set types, use type imports

* use more readonly

* use type inference

* stricter types, use more readonly

* remove type assertion + comment

* use const + new var

* add return types

* make plugincontexts readonly, simplify construction

* more readonly, type imports

* add return types, fix return values

* combine if/else

* consistency: use arrow functions to pass 'this' context

* consistency: use more arrow functions to pass this context

* Revert "consistency: use more arrow functions to pass this context"

This reverts commit 437e90b.

* Revert "consistency: use arrow functions to pass 'this' context"

This reverts commit e331522.

* Revert "add return types, fix return values"

This reverts commit b841c99.

* use type imports

* use more readonly

* replace any with unknown

* use as const

Co-authored-by: Lukas Taegert-Atkinson <lukastaegert@users.noreply.github.com>

* refactor: use fs.readFileSync

* refactor: use fs.existsSync

* refactor: use fs.writeFileSync

* refactor: use fs.unlinkSync

* refactor: use fs.readdirSync

* refactor: use fs-extra.removeSync

* refactor: use fs-extra.copy/copySync

* remove sander

* fix test

Co-authored-by: Lukas Taegert-Atkinson <lukastaegert@users.noreply.github.com>

Co-authored-by: Lukas Taegert-Atkinson <lukastaegert@users.noreply.github.com>

paramter -> parameter

…re it is mutable on ModuleInfo (#4379)

* Deprecate hasModuleSideEffects in favor of moduleSideEffects and ensure it is mutable on ModuleInfo

* Add notes about ModuleInfo reliability

* refactor: simplify, add return type

* use alias fs in tests

* refactor: move mkdir to writeoutputfile

* refactor: replace indexof with includes

Co-authored-by: Lukas Taegert-Atkinson <lukastaegert@users.noreply.github.com>