unfoldAll method
void
unfoldAll()
Unfolds all folded regions in the document.
All collapsed fold ranges will be expanded, showing their contents.
Throws StateError if folding is not enabled or editor is not initialized.
Example:
controller.unfoldAll();
Implementation
void unfoldAll() {
if (_unfoldAllCallback == null) {
throw StateError('Folding is not enabled or editor is not initialized');
}
_unfoldAllCallback!();
}