tsconfig.json

{
	"compilerOptions": {
		// https://stackoverflow.com/questions/61305578/what-typescript-configuration-produces-output-closest-to-node-js-14-capabilities/61305579#61305579
		"lib": [
			"ES2022",
			"DOM",
			"DOM.Iterable"
		],
		"module": "CommonJS",
		"target": "ES2022",
		// TODO: maybe true Process & infer types from .js files.
		"allowJs": true,
		// Don't emit; allow Babel to transform files.
		"noEmit": true,
		// TODO: Enable strictest settings like strictNullChecks & noImplicitAny.
		"strict": false,
		"strictNullChecks": true,
		// Import non-ES modules as default imports.
		"esModuleInterop": true,
		"jsx": "preserve",
		"resolveJsonModule": true
	},
	// https://www.typescriptlang.org/tsconfig#files
	// https://www.typescriptlang.org/tsconfig#include
	// https://www.typescriptlang.org/tsconfig#exclude
	// see https://github.com/Microsoft/TypeScript/wiki/FAQ#why-is-a-file-in-the-exclude-list-still-picked-up-by-the-compiler
	// use `yarn tsc --listFiles` to list what files are included in the compilation,
	// and `yarn tsc --traceResolution` to see why they were included
	"include": [
		"./types/",
		"./app/"
	],
	"exclude": [
		"./app/sw/"
	]
}