tsconfig.json

{
	"include": ["src/**/*"],
    "compilerOptions": {
        "module": "CommonJS",
        "target": "ES2020",
		"lib": ["ES2020"],
		// Enables the generation of sourcemap files (.js.map) for .js output files. These files allow debuggers
		// and other tools to display the original TypeScript source code when actually working with the emitted
		// JavaScript files.
        "sourceMap": true,
		"declaration": true,
		// Generates a source map (.d.ts.map) for .d.ts files which map back to the original .ts source file.
		// This will allow editors such as VS Code to go to the original .ts file when using features
		// like Go to Definition.
		"declarationMap": true,
		"baseUrl": "./",
		"pretty": true,
		"noEmitOnError": true,
		"listEmittedFiles": true,
		"stripInternal": true,
		// Very useful in conjunction with new rule '@typescript-eslint/no-unsafe-assignment':
		// bind, call and apply get type params, so instead of e. g.
		// 'apply(this: Function, thisArg: any, argArray?: any): any;', we have
		// 'apply<T, A extends any[], R>(this: (this: T, ...args: A) => R, thisArg: T, args: A): R;'.
		// Type params are always a good thing, and we have no 'any' anymore that ESLint complains about.
		"strictBindCallApply": true
    }
}