Fixed prependBase to start path with a '/' for a zero length path if there is an authority in base.

Author: gkellogg

CHANGELOG.md

@@ -4,6 +4,8 @@
 
 ### Fixed
 - Exclude `@type` from added values in Merge Node Maps step 2.2.1.
+- Fixed `prependBase` to start path with a '/' for a zero length path
+  if there is an authority in base.
 
 ## 3.0.0 - 2020-03-10
 

lib/url.js

@@ -107,7 +107,7 @@ api.prependBase = (base, iri) => {
 
         // append relative path to the end of the last directory from base
         path = path.substr(0, path.lastIndexOf('/') + 1);
-        if(path.length > 0 && path.substr(-1) !== '/') {
+        if((path.length > 0 || base.authority) && path.substr(-1) !== '/') {
           path += '/';
         }
         path += rel.path;