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-rw-r--r--app/javascript/flavours/glitch/reducers/dropdown_menu.js18
1 files changed, 18 insertions, 0 deletions
diff --git a/app/javascript/flavours/glitch/reducers/dropdown_menu.js b/app/javascript/flavours/glitch/reducers/dropdown_menu.js
new file mode 100644
index 000000000..51bf9375b
--- /dev/null
+++ b/app/javascript/flavours/glitch/reducers/dropdown_menu.js
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+import Immutable from 'immutable';
+import {
+  DROPDOWN_MENU_OPEN,
+  DROPDOWN_MENU_CLOSE,
+} from '../actions/dropdown_menu';
+
+const initialState = Immutable.Map({ openId: null, keyboard: false, scroll_key: null });
+
+export default function dropdownMenu(state = initialState, action) {
+  switch (action.type) {
+  case DROPDOWN_MENU_OPEN:
+    return state.merge({ openId: action.id, keyboard: action.keyboard, scroll_key: action.scroll_key });
+  case DROPDOWN_MENU_CLOSE:
+    return state.get('openId') === action.id ? state.set('openId', null).set('scroll_key', null) : state;
+  default:
+    return state;
+  }
+}