Handlebars: Helper '{{unknownHelper}}' is not defined – strict‑mode variable rendering uncertainty
Goal: Determine whether Handlebars renders an undefined variable as an empty string or throws an error when strict mode is enabled, considering version differences and the compat flag. Uncertainty: Reports indicate that Handlebars v4.x may output an empty string while v5.x may throw an Error, and the presence of the compat flag can alter this outcome, leavin
handlebars