register method

@override String? register(TypeReference reference)

Registers the provided reference to be imported.

Implementation

@override
String? register(
  TypeReference reference,
) {
  if (reference.url == null || exclude.contains(reference.url)) {
    return null;
  }

  try {
    final import = imports //
        .where((v) => v.url == reference.url)
        .first;

    return import.as;
  } //
  catch (_) {
    // This is the first registration of this dependency.
    final prefix = '_i${imports.length + 1}';

    final directive = Directive.import(
      reference.url!,
      as: prefix,
    );

    imports.add(directive);

    return prefix;
  }
}