thisisnic commented on a change in pull request #12172:
URL: https://github.com/apache/arrow/pull/12172#discussion_r787652181
##########
File path: r/pkgdown/extra.js
##########
@@ -59,6 +77,45 @@
var empty_ul = $("#toc").find("ul").filter(":empty");
empty_ul.remove();
});
+
+ $(document).ready(function () {
+
+ /**
+ * This replaces the package version number in the docs with a
+ * dropdown where you can select the version of the docs to view.
+ */
+
+ $pathStart = function(){
+ return window.location.origin + "/docs/";
+ }
+
+ $pathEnd = function(){
+ var current_path = window.location.pathname;
+ return current_path.match("(?<=\/r).*");
+ }
+
+ // Load the versions JSON and construct the select items
+ $.getJSON("./versions.json", function( data ) {
Review comment:
Just added another commit where I did it a little differently to
construct a relative URL based on the fact that the only thing we know for sure
is the structure that pkgdown has means that the final instance of `/r/`in the
path will be where `versions.json` is hosted. I *think* it makes sense now!
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