dart_snippets.json

{
	"Part statement": {
		"prefix": "pts",
		"body": [
			"part '${TM_FILENAME_BASE}.g.dart';",
		],
		"description": "Creates a filled-in part statement"
	},
	"Part 'Freezed' statement": {
		"prefix": "ptf",
		"body": [
			"part '${TM_FILENAME_BASE}.freezed.dart';",
		],
		"description": "Creates a filled-in freezed part statement"
	},
	"Freezed Data Class": {
		"prefix": "fdataclass",
		"body": [
			"@freezed",
			"abstract class ${1:DataClass} with _$${1:DataClass}{",
			"  const factory ${1:DataClass}(${2}) = _${1:DataClass};",
			"}"
		],
		"description": "Freezed Data Class"
	},
	"Freezed Union": {
		"prefix": "funion",
		"body": [
			"@freezed",
			"abstract class ${1:Union} with _$${1:Union}{",
			"  const factory ${1:Union}.${2}(${4}) = ${3};",
			"}"
		],
		"description": "Freezed Union"
	},
	"Freezed Union Case": {
		"prefix": "funioncase",
		"body": [
			"const factory ${1:Union}.${2}(${4}) = ${3};"
		],
		"description": "Freezed Union Case"
	},
	"fromJson": {
		"prefix": "fromJson",
		"body": [
			"factory ${TM_FILENAME_BASE/(.*)/${1:/pascalcase}/g}.fromJson(Map<String, dynamic> json) => _$${TM_FILENAME_BASE/(.*)/${1:/pascalcase}/g}FromJson(json);"
		],
		"description": "fromJson function"
	},
	"New Adaptor": {
		"prefix": "nadaptor",
		"body": [
			"class ${TM_FILENAME_BASE/(.*)/${1:/pascalcase}/g}Adapter extends TypeAdapter<${TM_FILENAME_BASE/(.*)/${1:/pascalcase}/g}> {",
			"  @override",
  			"  // TODO: implement typeId",
			"  int get typeId => throw UnimplementedError();",
			"",
			"  @override",
			"  ${TM_FILENAME_BASE/(.*)/${1:/pascalcase}/g} read(BinaryReader reader) {",
			"    return ${TM_FILENAME_BASE/(.*)/${1:/pascalcase}/g}.fromJson(reader.readMap() as Map<String, dynamic>);",
			"  }",
			"",
			"  @override",
			"  void write(BinaryWriter writer, ${TM_FILENAME_BASE/(.*)/${1:/pascalcase}/g} obj) {",
			"    writer.write(obj.toJson());",
			"  }",
			"}"
		],
		"description": "Makes a Hive adapter",
	}
}

thanks Hossein, amazing