move url helper to actions, add alphabetical helper to util

src/util/index.js

@@ -1,34 +1,7 @@
-import URI from "urijs";
-
-export const updateCategoricalQueryParams = (category, value) => {
-
-  let newURL;
-
-  /*
-    there are four cases
-    1. there are no query params
-    2. there are query params, but our category isn't there yet
-    3. there are query params and this is not the first entry to the given category (urijs may handle this with 'normalize')
-    4. there are query params and ours already exists (remove it)
-  */
-
-  const uri = new URI(window.location.href)
-
-  if (window.location.search === "") {
-    newURL = uri.addQuery(category, value).toString(); /* #1 */
-  } else if (uri.hasQuery(category, value) || uri.hasQuery(category, value, true)) { /* true param here means check arrays as well http://medialize.github.io/URI.js/docs.html#search-has */
-    newURL = uri.removeQuery(category, value).toString(); /* #4 */
-  } else {
-    newURL = uri.addQuery(category, value).toString(); /* #2 & #3 are handled by URI */
-  }
-
-  window.history.pushState("", "", newURL)
-
-}
-
-export const updateContinuousParams = (category, range) => {
-  /*
-    this is similar to updateCategoricalQueryParams, but has a different check since
-    in this case, same key (Unique_reads) different values (>500 vs >5000) should always replace previous range.
-  */
+export const alphabeticallySortedValues = (values) => {
+  return Object.keys(values).sort((a, b) => {
+    var textA = a.toUpperCase();
+    var textB = b.toUpperCase();
+    return (textA < textB) ? -1 : (textA > textB) ? 1 : 0;
+  })
 }