Merge pull request #246 from vietqhoang/handle-string-response-for-find-latest-version

Handle String response for "find latest version"

Author: rafaelfranca

lib/importmap/npm.rb

@@ -86,7 +86,7 @@ def get_json(uri)
     end
 
     def find_latest_version(response)
-      latest_version = response.dig('dist-tags', 'latest')
+      latest_version = response.is_a?(String) ? response : response.dig('dist-tags', 'latest')
       return latest_version if latest_version
 
       return unless response['versions']

test/npm_test.rb

@@ -94,4 +94,14 @@ def code() "200" end
       end
     end
   end
+
+  test "return latest version response is a String type" do
+    response = "version not found".to_json
+
+    @npm.stub(:get_json, response) do
+      outdated_packages = @npm.outdated_packages
+
+      assert_equal('version not found', outdated_packages[0].latest_version)
+    end
+  end
 end