1 files changed, 37 insertions, 0 deletions
diff --git a/sdnr/wt/odlux/apps/lineOfSightApp/src/hooks/d3.ts b/sdnr/wt/odlux/apps/lineOfSightApp/src/hooks/d3.ts
new file mode 100644
index 000000000..dfebe8605
--- /dev/null
+++ b/sdnr/wt/odlux/apps/lineOfSightApp/src/hooks/d3.ts
@@ -0,0 +1,37 @@
+/**
+ * ============LICENSE_START========================================================================
+ * ONAP : ccsdk feature sdnr wt odlux
+ * =================================================================================================
+ * Copyright (C) 2021 highstreet technologies GmbH Intellectual Property. All rights reserved.
+ * =================================================================================================
+ * Licensed under the Apache License, Version 2.0 (the "License"); you may not use this file except
+ * in compliance with the License. You may obtain a copy of the License at
+ *
+ * http://www.apache.org/licenses/LICENSE-2.0
+ *
+ * Unless required by applicable law or agreed to in writing, software distributed under the License
+ * is distributed on an "AS IS" BASIS, WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express
+ * or implied. See the License for the specific language governing permissions and limitations under
+ * the License.
+ * ============LICENSE_END==========================================================================
+ */
+
+/* eslint-disable react-hooks/exhaustive-deps */
+import { useEffect, useRef } from 'react';
+import type { DependencyList } from 'react';
+
+import * as d3 from 'd3';
+
+
+type SelectionType =  d3.Selection<SVGSVGElement, d3.BaseType, null, undefined>;
+
+export const useD3 = (renderChartFn: (selection: SelectionType) => void, dependencies: DependencyList) => {
+  const ref = useRef<SVGSVGElement>(null);
+
+  useEffect(() => {
+    if (ref.current) renderChartFn(d3.select(ref.current)); 
+    return () => { };
+  }, dependencies); 
+  
+  return ref;
+}