datanames in modulesThese functions check if specified datanames in modules match those in the data object,
returning error messages or TRUE for successful validation. Two functions return error message
in different forms:
check_modules_datanames returns character(1) for basic assertion usage
check_modules_datanames_html returns shiny.tag.list to display it in the app.
check_modules_datanames(modules, datanames)check_reserved_datanames(datanames)
check_modules_datanames_html(modules, datanames)
TRUE if validation passes, otherwise character(1) or shiny.tag.list
(teal_modules) object
(character) names of datasets available in the data object