fix(plugins): Guard against non-array data in pluginsStore.onFetchAllSuccess

static/app/stores/pluginsStore.tsx

@@ -0,0 +1,85 @@
+import {createStore} from 'reflux';
+
+import type {Plugin} from 'sentry/types/integrations';
+
+import type {StrictStoreDefinition} from './types';
+
+type State = {
+  error: Error | null;
+  loading: boolean;
+  pageLinks: string | null;
+  plugins: Plugin[];
+};
+
+interface PluginsStoreDefinition extends StrictStoreDefinition<State> {
+  onFetchAllError(err: Error): void;
+  onFetchAllSuccess(data: Plugin[], options: {pageLinks?: string | null}): void;
+  onFetchAllStart(): void;
+  reset(): void;
+  triggerState(): void;
+}
+
+const storeConfig: PluginsStoreDefinition = {
+  plugins: new Map<string, Plugin>(),
+
+  state: {
+    plugins: [],
+    loading: true,
+    error: null,
+    pageLinks: null,
+  },
+
+  init() {
+    // XXX: Do not use `this.listenTo` in this store. We avoid usage of reflux
+    // listeners due to their leaky nature in tests.
+    this.reset();
+  },
+
+  reset() {
+    this.plugins = new Map();
+    this.state = {
+      plugins: [],
+      loading: true,
+      error: null,
+      pageLinks: null,
+    };
+  },
+
+  triggerState() {
+    this.trigger({
+      ...this.state,
+      plugins: this.plugins ? [...this.plugins.values()] : [],
+    });
+  },
+
+  onFetchAllStart() {
+    this.state.loading = true;
+    this.state.error = null;
+    this.triggerState();
+  },
+
+  onFetchAllSuccess(data: Plugin[], {pageLinks}: {pageLinks?: string | null}) {
+    const dataArray = Array.isArray(data) ? data : [];
+    this.plugins = new Map(dataArray.map(plugin => [plugin.id, plugin]));
+    this.state.pageLinks = pageLinks || null;
+    this.state.loading = false;
+    this.triggerState();
+  },
+
+  onFetchAllError(err: Error) {
+    this.plugins = null;
+    this.state.loading = false;
+    this.state.error = err;
+    this.triggerState();
+  },
+
+  getState() {
+    return {
+      ...this.state,
+      plugins: this.plugins ? [...this.plugins.values()] : [],
+    };
+  },
+};
+
+const PluginsStore = createStore(storeConfig);
+export default PluginsStore;