save method
Implementation
Map save() {
verify();
var map = Map.from(_json ?? <String, dynamic>{});
map['name'] = name;
map['version'] = version;
map['description'] = description;
map['main'] = main;
map['engines'] = engines;
map['configs'] = configs;
map['getDependencies'] = getDependencies;
for (var key in map.keys.toList()) {
if (map[key] == null) {
map.remove(key);
}
}
return map;
}