mattermost-mobile/app/store/utils.js
Elias Nahum 3c73e8ec89
Fix post in channel batching order (#4090)
* Fix post in channel batching order

* Preserve preferences on reset cache
2020-03-30 19:02:05 -03:00

90 lines
2.5 KiB
JavaScript

// Copyright (c) 2015-present Mattermost, Inc. All Rights Reserved.
// See LICENSE.txt for license information.
import merge from 'deepmerge';
function transformFromSet(incoming) {
const state = {...incoming};
for (const key in state) {
if (state.hasOwnProperty(key)) {
if (state[key] instanceof Set) {
state[key] = Array.from([...state[key]]);
}
}
}
return state;
}
function transformToSet(incoming) {
const state = {...incoming};
for (const key in state) {
if (state.hasOwnProperty(key)) {
state[key] = new Set(state[key]);
}
}
return state;
}
export function transformSet(incoming, setTransforms, toStorage = true) {
const state = {...incoming};
const transformer = toStorage ? transformFromSet : transformToSet;
for (const key in state) {
if (state.hasOwnProperty(key) && setTransforms.includes(key)) {
state[key] = transformer(state[key]);
}
}
return state;
}
export function waitForHydration(store, callback) {
let executed = false; // this is to prevent a race condition when subcription runs before unsubscribed
if (store.getState().views.root.hydrationComplete && !executed) {
if (callback && typeof callback === 'function') {
executed = true;
callback();
}
} else {
const subscription = () => {
if (store.getState().views.root.hydrationComplete && !executed) {
unsubscribeFromStore();
if (callback && typeof callback === 'function') {
executed = true;
callback();
}
}
};
const unsubscribeFromStore = store.subscribe(subscription);
}
}
export function getStateForReset(initialState, currentState) {
const {currentUserId} = currentState.entities.users;
const currentUserProfile = currentState.entities.users.profiles[currentUserId];
const {currentTeamId} = currentState.entities.teams;
const preferences = currentState.entities.preferences;
const resetState = merge(initialState, {
entities: {
users: {
currentUserId,
profiles: {
[currentUserId]: currentUserProfile,
},
},
teams: {
currentTeamId,
},
preferences,
},
});
return resetState;
}