I broke up with neovim....vim is my best friend now

dot_vim/after/ftplugin/coffee/folding.vim

@@ -0,0 +1,37 @@
+function! CoffeeIndentLevel(lnum)
+	return indent(a:lnum) / &shiftwidth
+endfunction
+
+function! NextNonBlankLine(lnum)
+	let numlines = line('$')
+	let current = a:lnum + 1
+
+	while current <= numlines
+		if getline(current) =~? '\v\S'
+			return current
+		endif
+
+		let current += 1
+	endwhile
+
+	return -2
+endfunction
+
+function! CoffeeFolds()
+	if getline(v:lnum) =~ '\v^\s*$'
+		return '-1'
+	endif
+
+	let this_indent = IndentLevel(a:lnum)
+	let next_indent = IndentLevel(NextNonBlankLine(a:lnum))
+
+	if next_indent == this_indent
+		return this_indent
+	elseif next_indent < this_indent
+		return this_indent
+	elseif next_indent > this_indent
+		return '>' . next_indent
+	endif
+endfunction
+setlocal foldmethod=expr
+setlocal foldexpr=CoffeeFolds()