Rift.IO OSM R1 Initial Submission

[osm/UI.git] / skyquake / plugins / composer / src / src / libraries / getEventPath.js

diff --git a/skyquake/plugins/composer/src/src/libraries/getEventPath.js b/skyquake/plugins/composer/src/src/libraries/getEventPath.js
new file mode 100644 (file)
index 0000000..ca5d6b9
--- /dev/null
+++ b/skyquake/plugins/composer/src/src/libraries/getEventPath.js
@@ -0,0 +1,23 @@
+/**
+ * Created by onvelocity on 2/3/16.
+ */
+'use strict';
+export default function getEventPath(event) {
+       if (event.path) {
+               return event.path;
+       }
+       if (event.nativeEvent && event.nativeEvent.path) {
+               return event.nativeEvent.path;
+       }
+       // for browsers, like IE, that don't have event.path
+       let node = event.target;
+       const path = [];
+       // Array.unshift means put the value on the top of the array
+       const addToPath = (value) => path.unshift(value);
+       // warn: some browsers set the root's parent to itself
+       while (node && node !== node.parentNode) {
+               addToPath(node);
+               node = node.parentNode;
+       }
+       return path;
+}