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YuruToot/app/javascript/flavours/glitch/reducers/dropdown_menu.js
ThibG e248399220 [Glitch] Freeze scroll position when a dropdown menu is open in the TL
Port 6fda3cbbeb to glitch-soc

Signed-off-by: Thibaut Girka <thib@sitedethib.com>
2020-07-10 17:05:44 +02:00

19 lines
656 B
JavaScript

import Immutable from 'immutable';
import {
DROPDOWN_MENU_OPEN,
DROPDOWN_MENU_CLOSE,
} from '../actions/dropdown_menu';
const initialState = Immutable.Map({ openId: null, placement: 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, placement: action.placement, 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;
}
}