Remove Promise allSettled polyfill as its widespread enough now and js-sdk uses it directly

src/GroupAddressPicker.js

@@ -21,7 +21,6 @@ import MultiInviter from './utils/MultiInviter';
 import { _t } from './languageHandler';
 import {MatrixClientPeg} from './MatrixClientPeg';
 import GroupStore from './stores/GroupStore';
-import {allSettled} from "./utils/promise";
 import StyledCheckbox from './components/views/elements/StyledCheckbox';
 
 export function showGroupInviteDialog(groupId) {
@@ -120,7 +119,7 @@ function _onGroupInviteFinished(groupId, addrs) {
 function _onGroupAddRoomFinished(groupId, addrs, addRoomsPublicly) {
     const matrixClient = MatrixClientPeg.get();
     const errorList = [];
-    return allSettled(addrs.map((addr) => {
+    return Promise.allSettled(addrs.map((addr) => {
         return GroupStore
             .addRoomToGroup(groupId, addr.address, addRoomsPublicly)
             .catch(() => { errorList.push(addr.address); })

src/components/structures/GroupView.js

@@ -36,7 +36,7 @@ import FlairStore from '../../stores/FlairStore';
 import { showGroupAddRoomDialog } from '../../GroupAddressPicker';
 import {makeGroupPermalink, makeUserPermalink} from "../../utils/permalinks/Permalinks";
 import {Group} from "matrix-js-sdk/src/models/group";
-import {allSettled, sleep} from "../../utils/promise";
+import {sleep} from "../../utils/promise";
 import RightPanelStore from "../../stores/RightPanelStore";
 import AutoHideScrollbar from "./AutoHideScrollbar";
 import {mediaFromMxc} from "../../customisations/Media";
@@ -99,7 +99,7 @@ class CategoryRoomList extends React.Component {
             onFinished: (success, addrs) => {
                 if (!success) return;
                 const errorList = [];
-                allSettled(addrs.map((addr) => {
+                Promise.allSettled(addrs.map((addr) => {
                     return GroupStore
                         .addRoomToGroupSummary(this.props.groupId, addr.address)
                         .catch(() => { errorList.push(addr.address); });
@@ -274,7 +274,7 @@ class RoleUserList extends React.Component {
             onFinished: (success, addrs) => {
                 if (!success) return;
                 const errorList = [];
-                allSettled(addrs.map((addr) => {
+                Promise.allSettled(addrs.map((addr) => {
                     return GroupStore
                         .addUserToGroupSummary(addr.address)
                         .catch(() => { errorList.push(addr.address); });

src/components/views/dialogs/SpaceSettingsDialog.tsx

@@ -30,7 +30,6 @@ import ToggleSwitch from "../elements/ToggleSwitch";
 import AccessibleButton from "../elements/AccessibleButton";
 import Modal from "../../../Modal";
 import defaultDispatcher from "../../../dispatcher/dispatcher";
-import {allSettled} from "../../../utils/promise";
 import {useDispatcher} from "../../../hooks/useDispatcher";
 import {SpaceFeedbackPrompt} from "../../structures/SpaceRoomView";
 
@@ -91,7 +90,7 @@ const SpaceSettingsDialog: React.FC<IProps> = ({ matrixClient: cli, space, onFin
             promises.push(cli.sendStateEvent(space.roomId, EventType.RoomJoinRules, { join_rule: joinRule }, ""));
         }
 
-        const results = await allSettled(promises);
+        const results = await Promise.allSettled(promises);
         setBusy(false);
         const failures = results.filter(r => r.status === "rejected");
         if (failures.length > 0) {

src/utils/promise.ts

@@ -51,24 +51,6 @@ export function defer<T>(): IDeferred<T> {
     return {resolve, reject, promise};
 }
 
-// Promise.allSettled polyfill until browser support is stable in Firefox
-export function allSettled<T>(promises: Promise<T>[]): Promise<Array<ISettledFulfilled<T> | ISettledRejected>> {
-    if (Promise.allSettled) {
-        return Promise.allSettled<T>(promises);
-    }
-
-    // @ts-ignore - typescript isn't smart enough to see the disjoint here
-    return Promise.all(promises.map((promise) => {
-        return promise.then(value => ({
-            status: "fulfilled",
-            value,
-        })).catch(reason => ({
-            status: "rejected",
-            reason,
-        }));
-    }));
-}
-
 // Helper method to retry a Promise a given number of times or until a predicate fails
 export async function retry<T, E extends Error>(fn: () => Promise<T>, num: number, predicate?: (e: E) => boolean) {
     let lastErr: E;