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-rw-r--r--app/javascript/mastodon/features/ui/components/bundle.js11
1 files changed, 5 insertions, 6 deletions
diff --git a/app/javascript/mastodon/features/ui/components/bundle.js b/app/javascript/mastodon/features/ui/components/bundle.js
index fc88e0c70..06a6c9cdd 100644
--- a/app/javascript/mastodon/features/ui/components/bundle.js
+++ b/app/javascript/mastodon/features/ui/components/bundle.js
@@ -26,7 +26,7 @@ class Bundle extends React.Component {
     onFetchFail: noop,
   }
 
-  static cache = {}
+  static cache = new Map
 
   state = {
     mod: undefined,
@@ -51,13 +51,12 @@ class Bundle extends React.Component {
 
   load = (props) => {
     const { fetchComponent, onFetch, onFetchSuccess, onFetchFail, renderDelay } = props || this.props;
+    const cachedMod = Bundle.cache.get(fetchComponent);
 
     onFetch();
 
-    if (Bundle.cache[fetchComponent.name]) {
-      const mod = Bundle.cache[fetchComponent.name];
-
-      this.setState({ mod: mod.default });
+    if (cachedMod) {
+      this.setState({ mod: cachedMod.default });
       onFetchSuccess();
       return Promise.resolve();
     }
@@ -71,7 +70,7 @@ class Bundle extends React.Component {
 
     return fetchComponent()
       .then((mod) => {
-        Bundle.cache[fetchComponent.name] = mod;
+        Bundle.cache.set(fetchComponent, mod);
         this.setState({ mod: mod.default });
         onFetchSuccess();
       })