Function isNamedDeclaration

packages/compiler-cli/src/ngtsc/testing/src/utils.ts:128–131

(node: ts.Node)

}

export function isNamedDeclaration(node: ts.Node): node is ts.Declaration & {name: ts.Identifier} {
  const namedNode = node as {name?: ts.Identifier};
  return namedNode.name !== undefined && ts.isIdentifier(namedNode.name);
}

const COMPLETE_REUSE_FAILURE_MESSAGE =
  'The original program was not reused completely, even though no changes should have been made to its structure';