MigrationSource constructor Null safety

MigrationSource(
  1. String? source,
  2. String? uri,
  3. int nameStartIndex,
  4. int nameEndIndex
)

Implementation

MigrationSource(this.source, this.uri, int nameStartIndex, int nameEndIndex) {
  originalName = source!.substring(nameStartIndex, nameEndIndex);
  name = "M${md5.convert(source!.codeUnits)}";
  source = source!.replaceRange(nameStartIndex, nameEndIndex, name!);
}