Export the editor data as HTML file

[canaryGrapher]

How do I export the various CSS and the HTML objects in the editor state into one single HTML file?

[thanhtunguet]

How do I export the various CSS and the HTML objects in the editor state into one single HTML file?

I don't know if GrapesJS supports this feature or not. Please refer to its documentation for more details.
You can save the editor to component state by using onInit function.
Then access editor's methods and properties to achieve your purpose.