Lazy load components (#3879)

* feat: Lazy-load routes

* feat: Lazy-load modals

* feat: Lazy-load columns

* refactor: Simplify Bundle API

* feat: Optimize bundles

* feat: Prevent flashing the waiting state

* feat: Preload commonly used bundles

* feat: Lazy load Compose reducers

* feat: Lazy load Notifications reducer

* refactor: Move all dynamic imports into one file

* fix: Minor bugs

* fix: Manually hydrate the lazy-loaded reducers

* refactor: Move all dynamic imports to async-components

* fix: Loading modal style

* refactor: Avoid converting the raw state for each lazy hydration

* refactor: Remove unused component

* refactor: Maintain modal name

* fix: Add as=script to preload link

* chore: Fix lint error

* fix(components/bundle): Check if timestamp is set when computing elapsed

* fix: Load compose reducers for the onboarding modal

1 files changed, 2 insertions, 2 deletions

diff --git a/app/javascript/mastodon/reducers/media_attachments.js b/app/javascript/mastodon/reducers/media_attachments.js
index 85bea4f0b..d17d465aa 100644
--- a/app/javascript/mastodon/reducers/media_attachments.js
+++ b/app/javascript/mastodon/reducers/media_attachments.js
@@ -1,4 +1,4 @@
-import { STORE_HYDRATE } from '../actions/store';
+import { STORE_HYDRATE_LAZY } from '../actions/store';
 import Immutable from 'immutable';
 
 const initialState = Immutable.Map({
@@ -7,7 +7,7 @@ const initialState = Immutable.Map({
 
 export default function meta(state = initialState, action) {
   switch(action.type) {
-  case STORE_HYDRATE:
+  case `${STORE_HYDRATE_LAZY}-media_attachments`:
     return state.merge(action.state.get('media_attachments'));
   default:
     return state;