Parcel bug repro

README.md

Steps:

• Create files in folder structure:
  • package.json
  • packages/foo/package.json
  • packages/foo/src/index.ts
• Run yarn build
• Behold error

package.json

{
  "name": "parcel-repro",
  "private": true,
  "version": "1.0.0",
  "main": "index.js",
  "license": "MIT",
  "scripts": {
  	"build": "parcel build 'packages/*'"
  },
  "workspaces": [
    "packages/*"
  ],
  "dependencies": {
    "parcel": "^2.0.0-beta.2"
  }
}

packages__foo__package.json

{
  "name": "foo",
  "version": "1.0.0",
  "main": "dist/main.js",
  "module": "dist/module.js",
  "types": "dist/types.d.ts",
  "source": "src/index.ts",
  "license": "MIT"
}

packages__foo__src__index.ts

export interface FooProps {
	x: number;
	y: number;
}

export function foo(props: FooProps) {
	return props.x + props.y;
}