tsconfig.json

{
	"include": ["src/**/*", "webpack.config.js"],
	"exclude": ["node_modules/*", "__sapper__/*", "public/*"],
	"compilerOptions": {
		"moduleResolution": "bundler",
		"target": "esnext",
		"module": "esnext",
		"importsNotUsedAsValues": "remove",
		"verbatimModuleSyntax": true,
		"isolatedModules": true,
		"esModuleInterop": true,
		"skipLibCheck": true,
		"sourceMap": true,
		"strict": false,
		"baseUrl": ".",
		"paths": {
			"src/*": ["src/*"]
		}
	},

	// Fixes errors when changing `module` to ES in the above compiler options
	// See: https://github.com/webpack/webpack-cli/issues/2458#issuecomment-846635277
	"ts-node": {
		"compilerOptions": {
			"module": "commonjs",
			"verbatimModuleSyntax": false
		}
	}
}