In my project Prettier is already connected for the project code formatting. I'm trying to use Prettier for user's code formatting in Ace Editor: import * as prettier from 'prettier'; import * as babel from 'prettier/plugins/babel'; import * as estree from 'prettier/plugins/estree'; ... const code = this.editor.getValue(); const formatted = prettier.format(code, { parser: 'babel', plugins: [babel, estree] }); ...but I get an error: Uncaught TypeError: Super constructor null of anonymous class is not a constructor I've tried different options - nothing has helped yet. Maybe someone has a successful experience - I would be very grateful. Continue reading...