Function nullSafeIsEquivalent

packages/compiler/src/output/output_ast.ts:158–166

(
  base: T | null,
  other: T | null,
)

}

export function nullSafeIsEquivalent<T extends {isEquivalent(other: T): boolean}>(
  base: T | null,
  other: T | null,
) {
  if (base == null || other == null) {
    return base == other;
  }
  return base.isEquivalent(other);
}

function areAllEquivalentPredicate<T>(
  base: T[],