Validate that category-based sort references categories present in data

Fails fast with an informative error when sort_by names one or more categories that do not exist in the .category column of data.

Usage

validate_sort_category(sort_by, data, call = rlang::caller_env())

Arguments

sort_by

Character vector of category names to sort by.

data

Data frame containing a .category column.

call

Calling environment for error reporting.

Value

TRUE invisibly if valid.