tsconfig.json

{
	"include": ["app/assets/js/src/**/*"],
	"compilerOptions": {
		// Fixes some issues with non-ESM imports
		// https://www.typescriptlang.org/tsconfig#esModuleInterop
		"esModuleInterop": true,
		// Skip type-checking declaration files, to improve performance
		// https://www.typescriptlang.org/tsconfig#skipLibCheck
		"skipLibCheck": true,
		// Always target the latest supported ECMAScript version
		// https://www.typescriptlang.org/tsconfig#target
		"target": "ESNext",
		// Standardises how type and non-type imports are treated
		// https://www.typescriptlang.org/tsconfig#verbatimModuleSyntax
		"verbatimModuleSyntax": true,
		// Tell TypeScript every file is a module, so it doesn't have to figure it out
		// https://www.typescriptlang.org/tsconfig#moduleDetection
		"moduleDetection": "force",

		// Strict mode should really be a default
		// https://www.typescriptlang.org/tsconfig#strict
		"strict": true,

		// Don't require file extensions or relative paths in imports
		// https://www.typescriptlang.org/tsconfig#moduleResolution
		"moduleResolution": "Bundler",
		// Specify the base URL for using non-relative paths with module names
		// https://www.typescriptlang.org/tsconfig#baseUrl
		"baseUrl": "./app/assets/js/src",
		// Include support for latest ECMAScript version
		// https://www.typescriptlang.org/tsconfig#module
		// https://www.typescriptlang.org/docs/handbook/modules/reference.html#summary-1
		"module": "ESNext",
		// This code is not compiled using `tsc`
		// https://www.typescriptlang.org/tsconfig#noEmit
		"noEmit": true,

		// Include types for the latest ECMAScript features,
		// as well as DOM APIs so it can run in the browser
		// https://www.typescriptlang.org/tsconfig#lib
		"lib": ["ESNext", "DOM", "DOM.Iterable"]
	}
}