toJson method
Convert this to a valid json representation for the Notion API.
Throw an exception if the block have no type (BlockTypes.None).
Implementation
Map<String, dynamic> toJson() {
if (this.type == BlockTypes.None) {
throw 'None type for block';
}
return {
'object': strObject,
'type': strType,
strType: jsonContent,
};
}