Incompatible with typescript v4

[deebov]

🐛 bug report

Cannot build a project that uses typescript v4

🎛 Configuration (.babelrc, package.json, cli command)

.parcelrc

{
  "extends": "@parcel/config-default",
  "transformers": {
    "*.{ts,tsx}": ["@parcel/transformer-typescript-tsc"]
  }
}

😯 Current Behavior

🔦 Context

We're trying to add parcel to our react component library. It not a monorepo. We have all our components under packages/ and want to bundle everything in root directory.

🌍 Your Environment

Software	Version(s)
Parcel	^2.0.0-nightly.626
@parcel/transformer-typescript-tsc	^2.0.0-nightly.628
@parcel/transformer-typescript-types	2.0.0-nightly.628
Node	v12.20.1
Yarn	1.22.10
Operating System	macOS 11.1

[mischnic]

Duplicate of #5978