JS: Move getName() to a shared location

javascript/ql/src/meta/alerts/TaintSources.ql

@@ -11,13 +11,6 @@
 import javascript
 import meta.internal.TaintMetrics
 
-string getName(DataFlow::Node node) {
-  result = node.(RemoteFlowSource).getSourceType()
-  or
-  not node instanceof RemoteFlowSource and
-  result = "Taint source"
-}
-
 from DataFlow::Node node
 where node = relevantTaintSource()
-select node, getName(node)
+select node, getTaintSourceName(node)

javascript/ql/src/meta/internal/TaintMetrics.qll

@@ -100,3 +100,10 @@ DataFlow::Node relevantSanitizerInput() {
   result = any(HtmlSanitizerCall call).getInput() and
   not result.getFile() instanceof IgnoredFile
 }
+
+string getTaintSourceName(DataFlow::Node node) {
+  result = node.(RemoteFlowSource).getSourceType()
+  or
+  not node instanceof RemoteFlowSource and
+  result = "Taint source"
+}