fix #165 with error handling

walkerke · Apr 22, 2023 · 1819ca9 · 1819ca9
1 parent d660228
commit 1819ca9
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diff --git a/DESCRIPTION b/DESCRIPTION
@@ -1,8 +1,8 @@
 Package: tigris
 Type: Package
 Title: Load Census TIGER/Line Shapefiles
-Version: 2.0.1
-Date: 2023-01-30
+Version: 2.0.2
+Date: 2023-04-22
 Authors@R: c(
       person(given="Kyle", family="Walker", email="kyle@walker-data.com", role=c("aut", "cre")),
       person(given="Bob", family="Rudis", email="bob@rudis.net", role="ctb")

diff --git a/R/enumeration_units.R b/R/enumeration_units.R
@@ -710,6 +710,10 @@ zctas <- function(cb = FALSE, starts_with = NULL, year = NULL, state = NULL, ...
 
   }
 
+  if (year > 2020 && cb) {
+    stop(sprintf("The Census Bureau has not yet released the CB ZCTA file for %s. Please use the argument `year = 2020` or `cb = FALSE` instead.", year), call. = FALSE)
+  }
+
   if (!is.null(state) && year > 2010) {
     stop("ZCTAs are only available by state for 2000 and 2010.")
   }