nakarte

commit 53147b8d1b8a1ebe76c45bb936fcdb53bfafb268
parent 211da689ee420c3077a270c168e31b887d236ebf
Author: Sergej Orlov <wladimirych@gmail.com>
Date:   Mon,  5 Mar 2018 00:28:30 +0300

[hashTate] added helper function for one-time read-only binding

Diffstat:
M
src/lib/leaflet.hashState/hashState.js
 | 
13
++++++++++++-

1 file changed, 12 insertions(+), 1 deletion(-)
diff --git a/src/lib/leaflet.hashState/hashState.js b/src/lib/leaflet.hashState/hashState.js
@@ -114,8 +114,19 @@ const hashState = {
     }
 };
 
+
+function bindHashStateReadOnly(key, target) {
+    function onChange() {
+        target(hashState.getState(key));
+        hashState.updateState(key, null);
+    }
+    hashState.addEventListener(key, onChange);
+    onChange();
+}
+
 window.addEventListener('hashchange', hashState.onHashChanged.bind(hashState));
 hashState.onHashChanged();
 
-export default hashState;
+
+export {hashState, bindHashStateReadOnly};