in src/components/Firestore/DocumentEditor/utils.ts [170:191]
export function defaultValueForPrimitiveType(type: FieldType): PrimitiveValue {
switch (type) {
case FieldType.BLOB:
// TODO
return '';
case FieldType.BOOLEAN:
return true;
case FieldType.GEOPOINT:
return new firebase.firestore.GeoPoint(0, 0);
case FieldType.NULL:
return null;
case FieldType.NUMBER:
return 0;
case FieldType.REFERENCE:
return new DocumentPath('');
case FieldType.STRING:
return '';
case FieldType.TIMESTAMP:
return firebase.firestore.Timestamp.fromDate(new Date());
}
return '';
}