Yes, CoffeeScript syntax is often ambiguous, but you learn a few simple rules [1] and ignore darker corners. And I think slightly ambiguous transpiler is okay

Yes, CoffeeScript syntax is often ambiguous, but you learn a few simple rules [1] and ignore darker corners. And I think slightly ambiguous transpiler is okay when the resulting language is not ambiguous. You can always check the output (which is very readable). [1]: For example, "[t]he implicit call wraps forward to the end of the line…"