focalboard/webapp/src/tsconfig.json

{
    "extends": "../tsconfig.json",
    "compilerOptions": {
		"baseUrl": ".",
		"paths": {
			"*": [
				"../node_modules/*",
				"../@custom_types/*"
			]
		}
	},
	"include": [
		"./**/*.ts",
		"./**/*.tsx"
	]
}