Deduplicate entries in reference index (#2302)

r-lib · May 9, 2023 · 44c92aa · 44c92aa
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diff --git a/NEWS.md b/NEWS.md
@@ -1,5 +1,6 @@
 # pkgdown (development version)
 
+* Remove redundant entries in the documentation index when multiple explicit `@usage` tags are provided (@klmr, #2302)
 * The article index now sorts vignettes and non-vignette articles alphabetically by their filename (literally, their `basename()`), by default (@jennybc, #2253).
 
 # pkgdown 2.0.7

diff --git a/R/usage.R b/R/usage.R
@@ -8,7 +8,8 @@ topic_funs <- function(rd) {
   gens <- name[type == "fun"]
   self_meth <- (name %in% gens) & (type %in% c("s3", "s4"))
 
-  purrr::map_chr(funs[!self_meth], ~ short_name(.$name, .$type, .$signature))
+  funs <- purrr::map_chr(funs[!self_meth], ~ short_name(.$name, .$type, .$signature))
+  unique(funs)
 }
 
 parse_usage <- function(x) {