simplify useQuery

platform/viewer/src/hooks/useQuery.js

@@ -1,48 +1,5 @@
-import { useCallback } from 'react';
-import { useLocation, useHistory } from 'react-router-dom';
-
-const isEmpty = str => str === undefined || str === null || str === '';
+import { useLocation } from 'react-router-dom';
 
 export default function useQuery() {
-  const location = useLocation();
-  const history = useHistory();
-
-  const _getQueryStringValues = values => {
-    const qs = getQueryString();
-
-    Object.keys(values).forEach(name => {
-      const value = values[name];
-
-      if (name === 'studyDate') return null;
-
-      if (!isEmpty(value)) {
-        qs.set(name, value);
-      } else {
-        qs.delete(name);
-      }
-    });
-
-    return qs;
-  };
-
-  const getQueryString = () => {
-    return new URLSearchParams(location.search);
-  };
-
-  const setQueryString = values => {
-    const queryParams = _getQueryStringValues(values);
-    _updateUrl(queryParams.toString());
-  };
-
-  const _updateUrl = queryValues => {
-    const url = `${location.pathname}?${queryValues}`;
-    console.log('url', url);
-    /**
-     * TODO: when history.push is called, there's an infinite loop happening.
-     * Figure out why it's happening to fix. Maybe some callback? useCallback?
-     */
-    // history.push(url);
-  };
-
-  return { getQueryString, setQueryString };
+  return new URLSearchParams(useLocation().search);
 }