From e334ce81920723832c9260b0f009df88805e22a1 Mon Sep 17 00:00:00 2001
From: Michael Telatynski <7t3chguy@gmail.com>
Date: Thu, 3 Jun 2021 08:32:36 +0100
Subject: [PATCH] First cut of space panel drag-and-drop ordering

---
 package.json                                  |   2 +
 res/css/structures/_SpacePanel.scss           |   7 +-
 src/components/views/spaces/SpacePanel.tsx    | 136 +++++++++++-------
 .../views/spaces/SpaceTreeLevel.tsx           |  27 ++--
 src/stores/SpaceStore.tsx                     |  71 +++++++--
 yarn.lock                                     | 100 ++++++++++++-
 6 files changed, 263 insertions(+), 80 deletions(-)

diff --git a/package.json b/package.json
index 270c86ddba..2d2506e1df 100644
--- a/package.json
+++ b/package.json
@@ -91,6 +91,7 @@
     "qs": "^6.9.6",
     "re-resizable": "^6.9.0",
     "react": "^16.14.0",
+    "react-beautiful-dnd": "^13.1.0",
     "react-dom": "^16.14.0",
     "react-focus-lock": "^2.5.0",
     "react-transition-group": "^4.4.1",
@@ -135,6 +136,7 @@
     "@types/parse5": "^6.0.0",
     "@types/qrcode": "^1.3.5",
     "@types/react": "^16.9",
+    "@types/react-beautiful-dnd": "^13.0.0",
     "@types/react-dom": "^16.9.10",
     "@types/react-transition-group": "^4.4.0",
     "@types/sanitize-html": "^2.3.1",
diff --git a/res/css/structures/_SpacePanel.scss b/res/css/structures/_SpacePanel.scss
index c433ccf275..e64057d16c 100644
--- a/res/css/structures/_SpacePanel.scss
+++ b/res/css/structures/_SpacePanel.scss
@@ -31,7 +31,6 @@ $activeBorderColor: $secondary-fg-color;
     // Create another flexbox so the Panel fills the container
     display: flex;
     flex-direction: column;
-    overflow-y: auto;
 
     .mx_SpacePanel_spaceTreeWrapper {
         flex: 1;
@@ -69,6 +68,12 @@ $activeBorderColor: $secondary-fg-color;
         cursor: pointer;
     }
 
+    .mx_SpaceItem_dragging {
+        .mx_SpaceButton_toggleCollapse {
+            visibility: hidden;
+        }
+    }
+
     .mx_SpaceTreeLevel {
         display: flex;
         flex-direction: column;
diff --git a/src/components/views/spaces/SpacePanel.tsx b/src/components/views/spaces/SpacePanel.tsx
index eb63b21f0e..27f097e9d4 100644
--- a/src/components/views/spaces/SpacePanel.tsx
+++ b/src/components/views/spaces/SpacePanel.tsx
@@ -15,8 +15,9 @@ limitations under the License.
 */
 
 import React, { useEffect, useState } from "react";
+import { DragDropContext, Droppable, Draggable } from "react-beautiful-dnd";
 import classNames from "classnames";
-import {Room} from "matrix-js-sdk/src/models/room";
+import { Room } from "matrix-js-sdk/src/models/room";
 
 import {_t} from "../../../languageHandler";
 import RoomAvatar from "../avatars/RoomAvatar";
@@ -204,58 +205,89 @@ const SpacePanel = () => {
     };
 
     const activeSpaces = activeSpace ? [activeSpace] : [];
-    const expandCollapseButtonTitle = isPanelCollapsed ? _t("Expand space panel") : _t("Collapse space panel");
-    // TODO drag and drop for re-arranging order
-    return <RovingTabIndexProvider handleHomeEnd={true} onKeyDown={onKeyDown}>
-        {({onKeyDownHandler}) => (
-            <ul
-                className={classNames("mx_SpacePanel", { collapsed: isPanelCollapsed })}
-                onKeyDown={onKeyDownHandler}
-            >
-                <AutoHideScrollbar className="mx_SpacePanel_spaceTreeWrapper">
-                    <div className="mx_SpaceTreeLevel">
-                        <SpaceButton
-                            className="mx_SpaceButton_home"
-                            onClick={() => SpaceStore.instance.setActiveSpace(null)}
-                            selected={!activeSpace}
-                            tooltip={_t("All rooms")}
-                            notificationState={RoomNotificationStateStore.instance.globalState}
-                            isNarrow={isPanelCollapsed}
+    return (
+        <DragDropContext onDragEnd={result => {
+            if (!result.destination) return; // dropped outside the list
+            SpaceStore.instance.moveRootSpace(result.source.index, result.destination.index);
+        }}>
+            <RovingTabIndexProvider handleHomeEnd={true} onKeyDown={onKeyDown}>
+                {({onKeyDownHandler}) => (
+                    <ul
+                        className={classNames("mx_SpacePanel", { collapsed: isPanelCollapsed })}
+                        onKeyDown={onKeyDownHandler}
+                    >
+                        <Droppable droppableId="top-level-spaces">
+                            {(provided, snapshot) => (
+                                <AutoHideScrollbar
+                                    {...provided.droppableProps}
+                                    wrappedRef={provided.innerRef}
+                                    className="mx_SpacePanel_spaceTreeWrapper"
+                                    style={snapshot.isDraggingOver ? {
+                                        pointerEvents: "none",
+                                    } : undefined}
+                                >
+                                    <div className="mx_SpaceTreeLevel">
+                                        <SpaceButton
+                                            className="mx_SpaceButton_home"
+                                            onClick={() => SpaceStore.instance.setActiveSpace(null)}
+                                            selected={!activeSpace}
+                                            tooltip={_t("All rooms")}
+                                            notificationState={RoomNotificationStateStore.instance.globalState}
+                                            isNarrow={isPanelCollapsed}
+                                        />
+                                        { invites.map(s => (
+                                            <SpaceItem
+                                                key={s.roomId}
+                                                space={s}
+                                                activeSpaces={activeSpaces}
+                                                isPanelCollapsed={isPanelCollapsed}
+                                                onExpand={() => setPanelCollapsed(false)}
+                                            />
+                                        )) }
+                                        { spaces.map((s, i) => (
+                                            <Draggable key={s.roomId} draggableId={s.roomId} index={i}>
+                                                {(provided, snapshot) => (
+                                                    <SpaceItem
+                                                        {...provided.draggableProps}
+                                                        {...provided.dragHandleProps}
+                                                        key={s.roomId}
+                                                        innerRef={provided.innerRef}
+                                                        className={snapshot.isDragging
+                                                            ? "mx_SpaceItem_dragging"
+                                                            : undefined}
+                                                        space={s}
+                                                        activeSpaces={activeSpaces}
+                                                        isPanelCollapsed={isPanelCollapsed}
+                                                        onExpand={() => setPanelCollapsed(false)}
+                                                    />
+                                                )}
+                                            </Draggable>
+                                        )) }
+                                        { provided.placeholder }
+                                    </div>
+                                    <SpaceButton
+                                        className={newClasses}
+                                        tooltip={menuDisplayed ? _t("Cancel") : _t("Create a space")}
+                                        onClick={menuDisplayed ? closeMenu : () => {
+                                            if (!isPanelCollapsed) setPanelCollapsed(true);
+                                            openMenu();
+                                        }}
+                                        isNarrow={isPanelCollapsed}
+                                    />
+                                </AutoHideScrollbar>
+                            )}
+                        </Droppable>
+                        <AccessibleTooltipButton
+                            className={classNames("mx_SpacePanel_toggleCollapse", {expanded: !isPanelCollapsed})}
+                            onClick={() => setPanelCollapsed(!isPanelCollapsed)}
+                            title={isPanelCollapsed ? _t("Expand space panel") : _t("Collapse space panel")}
                         />
-                        { invites.map(s => <SpaceItem
-                            key={s.roomId}
-                            space={s}
-                            activeSpaces={activeSpaces}
-                            isPanelCollapsed={isPanelCollapsed}
-                            onExpand={() => setPanelCollapsed(false)}
-                        />) }
-                        { spaces.map(s => <SpaceItem
-                            key={s.roomId}
-                            space={s}
-                            activeSpaces={activeSpaces}
-                            isPanelCollapsed={isPanelCollapsed}
-                            onExpand={() => setPanelCollapsed(false)}
-                        />) }
-                    </div>
-                    <SpaceButton
-                        className={newClasses}
-                        tooltip={menuDisplayed ? _t("Cancel") : _t("Create a space")}
-                        onClick={menuDisplayed ? closeMenu : () => {
-                            if (!isPanelCollapsed) setPanelCollapsed(true);
-                            openMenu();
-                        }}
-                        isNarrow={isPanelCollapsed}
-                    />
-                </AutoHideScrollbar>
-                <AccessibleTooltipButton
-                    className={classNames("mx_SpacePanel_toggleCollapse", {expanded: !isPanelCollapsed})}
-                    onClick={() => setPanelCollapsed(!isPanelCollapsed)}
-                    title={expandCollapseButtonTitle}
-                />
-                { contextMenu }
-            </ul>
-        )}
-    </RovingTabIndexProvider>
+                        { contextMenu }
+                    </ul>
+                )}
+            </RovingTabIndexProvider>
+        </DragDropContext>
+    );
 };
 
 export default SpacePanel;
diff --git a/src/components/views/spaces/SpaceTreeLevel.tsx b/src/components/views/spaces/SpaceTreeLevel.tsx
index f34baf256b..7ac863b239 100644
--- a/src/components/views/spaces/SpaceTreeLevel.tsx
+++ b/src/components/views/spaces/SpaceTreeLevel.tsx
@@ -14,7 +14,7 @@ See the License for the specific language governing permissions and
 limitations under the License.
 */
 
-import React from "react";
+import React, {InputHTMLAttributes, LegacyRef} from "react";
 import classNames from "classnames";
 import {Room} from "matrix-js-sdk/src/models/room";
 
@@ -49,13 +49,14 @@ import {EventType} from "matrix-js-sdk/src/@types/event";
 import {StaticNotificationState} from "../../../stores/notifications/StaticNotificationState";
 import {NotificationColor} from "../../../stores/notifications/NotificationColor";
 
-interface IItemProps {
+interface IItemProps extends InputHTMLAttributes<HTMLLIElement> {
     space?: Room;
     activeSpaces: Room[];
     isNested?: boolean;
     isPanelCollapsed?: boolean;
     onExpand?: Function;
     parents?: Set<string>;
+    innerRef?: LegacyRef<HTMLLIElement>;
 }
 
 interface IItemState {
@@ -300,18 +301,18 @@ export class SpaceItem extends React.PureComponent<IItemProps, IItemState> {
     }
 
     render() {
-        const {space, activeSpaces, isNested} = this.props;
+        // eslint-disable-next-line @typescript-eslint/no-unused-vars
+        const { space, activeSpaces, isNested, isPanelCollapsed, onExpand, parents, innerRef,
+            ...otherProps } = this.props;
 
-        const forceCollapsed = this.props.isPanelCollapsed;
-        const isNarrow = this.props.isPanelCollapsed;
-        const collapsed = this.state.collapsed || forceCollapsed;
+        const collapsed = this.state.collapsed || isPanelCollapsed;
 
         const childSpaces = SpaceStore.instance.getChildSpaces(space.roomId)
-            .filter(s => !this.props.parents?.has(s.roomId));
+            .filter(s => !parents?.has(s.roomId));
         const isActive = activeSpaces.includes(space);
-        const itemClasses = classNames({
+        const itemClasses = classNames(this.props.className, {
             "mx_SpaceItem": true,
-            "mx_SpaceItem_narrow": isNarrow,
+            "mx_SpaceItem_narrow": isPanelCollapsed,
             "collapsed": collapsed,
             "hasSubSpaces": childSpaces && childSpaces.length,
         });
@@ -320,7 +321,7 @@ export class SpaceItem extends React.PureComponent<IItemProps, IItemState> {
         const classes = classNames("mx_SpaceButton", {
             mx_SpaceButton_active: isActive,
             mx_SpaceButton_hasMenuOpen: !!this.state.contextMenuPosition,
-            mx_SpaceButton_narrow: isNarrow,
+            mx_SpaceButton_narrow: isPanelCollapsed,
             mx_SpaceButton_invite: isInvite,
         });
         const notificationState = isInvite
@@ -333,7 +334,7 @@ export class SpaceItem extends React.PureComponent<IItemProps, IItemState> {
                 spaces={childSpaces}
                 activeSpaces={activeSpaces}
                 isNested={true}
-                parents={new Set(this.props.parents).add(this.props.space.roomId)}
+                parents={new Set(parents).add(space.roomId)}
             />;
         }
 
@@ -353,7 +354,7 @@ export class SpaceItem extends React.PureComponent<IItemProps, IItemState> {
             /> : null;
 
         let button;
-        if (isNarrow) {
+        if (isPanelCollapsed) {
             button = (
                 <RovingAccessibleTooltipButton
                     className={classes}
@@ -391,7 +392,7 @@ export class SpaceItem extends React.PureComponent<IItemProps, IItemState> {
         }
 
         return (
-            <li className={itemClasses}>
+            <li {...otherProps} className={itemClasses} ref={innerRef}>
                 { button }
                 { childItems }
             </li>
diff --git a/src/stores/SpaceStore.tsx b/src/stores/SpaceStore.tsx
index 1333fc5d37..9ef961ce2d 100644
--- a/src/stores/SpaceStore.tsx
+++ b/src/stores/SpaceStore.tsx
@@ -63,12 +63,6 @@ const partitionSpacesAndRooms = (arr: Room[]): [Room[], Room[]] => { // [spaces,
 
 const SpaceTagOrderingField = "org.matrix.mscXXXX.space";
 
-const getSpaceTagOrdering = (space: Room): number | undefined => {
-    return space?.getAccountData(EventType.Tag)?.getContent()?.tags?.[SpaceTagOrderingField]?.order;
-};
-
-const sortRootSpaces = (spaces: Room[]): Room[] => sortBy(spaces, [getSpaceTagOrdering, "roomId"]);
-
 // For sorting space children using a validated `order`, `m.room.create`'s `origin_server_ts`, `room_id`
 export const getChildOrder = (order: string, creationTs: number, roomId: string): Array<Many<ListIteratee<any>>> => {
     let validatedOrder: string = null;
@@ -104,6 +98,7 @@ export class SpaceStoreClass extends AsyncStoreWithClient<IState> {
     private _activeSpace?: Room = null;
     private _suggestedRooms: ISuggestedRoom[] = [];
     private _invitedSpaces = new Set<Room>();
+    private spaceOrderLocalEchoMap = new Map<string, number>();
 
     public get invitedSpaces(): Room[] {
         return Array.from(this._invitedSpaces);
@@ -335,7 +330,7 @@ export class SpaceStoreClass extends AsyncStoreWithClient<IState> {
         //     rootSpaces.push(space);
         // });
 
-        this.rootSpaces = sortRootSpaces(rootSpaces);
+        this.rootSpaces = this.sortRootSpaces(rootSpaces);
         this.parentMap = backrefs;
 
         // if the currently selected space no longer exists, remove its selection
@@ -347,7 +342,7 @@ export class SpaceStoreClass extends AsyncStoreWithClient<IState> {
         this.emit(UPDATE_TOP_LEVEL_SPACES, this.spacePanelSpaces);
 
         // build initial state of invited spaces as we would have missed the emitted events about the room at launch
-        this._invitedSpaces = new Set(sortRootSpaces(invitedSpaces));
+        this._invitedSpaces = new Set(this.sortRootSpaces(invitedSpaces));
         this.emit(UPDATE_INVITED_SPACES, this.invitedSpaces);
     }, 100, {trailing: true, leading: true});
 
@@ -484,17 +479,22 @@ export class SpaceStoreClass extends AsyncStoreWithClient<IState> {
     private onRoomAccountData = (ev: MatrixEvent, room: Room, lastEv?: MatrixEvent) => {
         if (!room.isSpaceRoom() || ev.getType() !== EventType.Tag) return;
 
+        this.spaceOrderLocalEchoMap.delete(room.roomId); // clear any local echo
         const order = ev.getContent()?.tags?.[SpaceTagOrderingField]?.order;
         const lastOrder = lastEv?.getContent()?.tags?.[SpaceTagOrderingField]?.order;
         if (order !== lastOrder) {
-            const rootSpaces = sortRootSpaces(this.rootSpaces);
-            if (arrayHasOrderChange(this.rootSpaces, rootSpaces)) {
-                this.rootSpaces = rootSpaces;
-                this.emit(UPDATE_TOP_LEVEL_SPACES, this.spacePanelSpaces);
-            }
+            this.notifyIfOrderChanged();
         }
     };
 
+    private notifyIfOrderChanged(): void {
+        const rootSpaces = this.sortRootSpaces(this.rootSpaces);
+        if (arrayHasOrderChange(this.rootSpaces, rootSpaces)) {
+            this.rootSpaces = rootSpaces;
+            this.emit(UPDATE_TOP_LEVEL_SPACES, this.spacePanelSpaces);
+        }
+    }
+
     private onRoomState = (ev: MatrixEvent) => {
         const room = this.matrixClient.getRoom(ev.getRoomId());
         if (!room) return;
@@ -624,6 +624,51 @@ export class SpaceStoreClass extends AsyncStoreWithClient<IState> {
         }
         childSpaces.forEach(s => this.traverseSpace(s.roomId, fn, includeRooms, newPath));
     }
+
+    private getSpaceTagOrdering = (space: Room): number | undefined => {
+        if (this.spaceOrderLocalEchoMap.has(space.roomId)) return this.spaceOrderLocalEchoMap.get(space.roomId);
+        return space.tags?.[SpaceTagOrderingField]?.order;
+    };
+
+    private sortRootSpaces(spaces: Room[]): Room[] {
+        return sortBy(spaces, [this.getSpaceTagOrdering, "roomId"]);
+    }
+
+    public moveRootSpace(fromIndex: number, toIndex: number): void {
+        if (
+            fromIndex < 0 || toIndex < 0 ||
+            fromIndex > this.rootSpaces.length || toIndex > this.rootSpaces.length ||
+            fromIndex === toIndex
+        ) {
+            return;
+        }
+        const space = this.rootSpaces[fromIndex];
+        const orders = this.rootSpaces.map(this.getSpaceTagOrdering);
+
+        let prevOrder = orders[toIndex - 1];
+        let nextOrder = orders[toIndex]; // accounts for downwards displacement of existing inhabitant of this index
+
+        if (prevOrder === undefined && nextOrder === undefined) {
+            // TODO WHAT A PAIN
+        }
+
+        prevOrder = prevOrder || 0.0;
+        nextOrder = nextOrder || 1.0;
+
+        if (prevOrder !== nextOrder) {
+            const order = prevOrder + ((nextOrder - prevOrder) / 2);
+            this.spaceOrderLocalEchoMap.set(space.roomId, order);
+            this.matrixClient.setRoomAccountData(space.roomId, EventType.Tag, {
+                tags: {
+                    ...space.tags,
+                    [SpaceTagOrderingField]: { order },
+                },
+            });
+            this.notifyIfOrderChanged();
+        } else {
+            // TODO REBUILD
+        }
+    }
 }
 
 export default class SpaceStore {
diff --git a/yarn.lock b/yarn.lock
index 2c84237730..7e24c220e5 100644
--- a/yarn.lock
+++ b/yarn.lock
@@ -1024,6 +1024,13 @@
   dependencies:
     regenerator-runtime "^0.13.4"
 
+"@babel/runtime@^7.12.1", "@babel/runtime@^7.9.2":
+  version "7.14.0"
+  resolved "https://registry.yarnpkg.com/@babel/runtime/-/runtime-7.14.0.tgz#46794bc20b612c5f75e62dd071e24dfd95f1cbe6"
+  integrity sha512-JELkvo/DlpNdJ7dlyw/eY7E0suy5i5GQH+Vlxaq1nsNJ+H7f4Vtv3jMeCEgRhZZQFXTjldYfQgv2qmM6M1v5wA==
+  dependencies:
+    regenerator-runtime "^0.13.4"
+
 "@babel/template@^7.10.4", "@babel/template@^7.12.7", "@babel/template@^7.3.3":
   version "7.12.7"
   resolved "https://registry.yarnpkg.com/@babel/template/-/template-7.12.7.tgz#c817233696018e39fbb6c491d2fb684e05ed43bc"
@@ -1504,6 +1511,14 @@
   dependencies:
     "@types/node" "*"
 
+"@types/hoist-non-react-statics@^3.3.0":
+  version "3.3.1"
+  resolved "https://registry.yarnpkg.com/@types/hoist-non-react-statics/-/hoist-non-react-statics-3.3.1.tgz#1124aafe5118cb591977aeb1ceaaed1070eb039f"
+  integrity sha512-iMIqiko6ooLrTh1joXodJK5X9xeEALT1kM5G3ZLhD3hszxBdIEd5C75U834D9mLcINgD4OyZf5uQXjkuYydWvA==
+  dependencies:
+    "@types/react" "*"
+    hoist-non-react-statics "^3.3.0"
+
 "@types/istanbul-lib-coverage@*", "@types/istanbul-lib-coverage@^2.0.0", "@types/istanbul-lib-coverage@^2.0.1":
   version "2.0.3"
   resolved "https://registry.yarnpkg.com/@types/istanbul-lib-coverage/-/istanbul-lib-coverage-2.0.3.tgz#4ba8ddb720221f432e443bd5f9117fd22cfd4762"
@@ -1620,6 +1635,13 @@
   dependencies:
     "@types/node" "*"
 
+"@types/react-beautiful-dnd@^13.0.0":
+  version "13.0.0"
+  resolved "https://registry.yarnpkg.com/@types/react-beautiful-dnd/-/react-beautiful-dnd-13.0.0.tgz#e60d3d965312fcf1516894af92dc3e9249587db4"
+  integrity sha512-by80tJ8aTTDXT256Gl+RfLRtFjYbUWOnZuEigJgNsJrSEGxvFe5eY6k3g4VIvf0M/6+xoLgfYWoWonlOo6Wqdg==
+  dependencies:
+    "@types/react" "*"
+
 "@types/react-dom@^16.9.10":
   version "16.9.10"
   resolved "https://registry.yarnpkg.com/@types/react-dom/-/react-dom-16.9.10.tgz#4485b0bec3d41f856181b717f45fd7831101156f"
@@ -1627,6 +1649,16 @@
   dependencies:
     "@types/react" "^16"
 
+"@types/react-redux@^7.1.16":
+  version "7.1.16"
+  resolved "https://registry.yarnpkg.com/@types/react-redux/-/react-redux-7.1.16.tgz#0fbd04c2500c12105494c83d4a3e45c084e3cb21"
+  integrity sha512-f/FKzIrZwZk7YEO9E1yoxIuDNRiDducxkFlkw/GNMGEnK9n4K8wJzlJBghpSuOVDgEUHoDkDF7Gi9lHNQR4siw==
+  dependencies:
+    "@types/hoist-non-react-statics" "^3.3.0"
+    "@types/react" "*"
+    hoist-non-react-statics "^3.3.0"
+    redux "^4.0.0"
+
 "@types/react-transition-group@^4.4.0":
   version "4.4.0"
   resolved "https://registry.yarnpkg.com/@types/react-transition-group/-/react-transition-group-4.4.0.tgz#882839db465df1320e4753e6e9f70ca7e9b4d46d"
@@ -2696,6 +2728,13 @@ cross-spawn@^7.0.0, cross-spawn@^7.0.2:
     shebang-command "^2.0.0"
     which "^2.0.1"
 
+css-box-model@^1.2.0:
+  version "1.2.1"
+  resolved "https://registry.yarnpkg.com/css-box-model/-/css-box-model-1.2.1.tgz#59951d3b81fd6b2074a62d49444415b0d2b4d7c1"
+  integrity sha512-a7Vr4Q/kd/aw96bnJG332W9V9LkJO69JRcaCYDUqjp6/z0w6VcZjgAcTbgFxEPfBgdnAwlh3iwu+hLopa+flJw==
+  dependencies:
+    tiny-invariant "^1.0.6"
+
 css-select@^4.1.2:
   version "4.1.2"
   resolved "https://registry.yarnpkg.com/css-select/-/css-select-4.1.2.tgz#8b52b6714ed3a80d8221ec971c543f3b12653286"
@@ -4202,6 +4241,13 @@ highlight.js@^10.5.0:
   resolved "https://registry.yarnpkg.com/highlight.js/-/highlight.js-10.5.0.tgz#3f09fede6a865757378f2d9ebdcbc15ba268f98f"
   integrity sha512-xTmvd9HiIHR6L53TMC7TKolEj65zG1XU+Onr8oi86mYa+nLcIbxTTWkpW7CsEwv/vK7u1zb8alZIMLDqqN6KTw==
 
+hoist-non-react-statics@^3.3.0, hoist-non-react-statics@^3.3.2:
+  version "3.3.2"
+  resolved "https://registry.yarnpkg.com/hoist-non-react-statics/-/hoist-non-react-statics-3.3.2.tgz#ece0acaf71d62c2969c2ec59feff42a4b1a85b45"
+  integrity sha512-/gGivxi8JPKWNm/W0jSmzcMPpfpPLc3dY/6GxhX2hQ9iGj3aDfklV4ET7NjKpSinLpJ5vafa9iiGIEZg10SfBw==
+  dependencies:
+    react-is "^16.7.0"
+
 hosted-git-info@^2.1.4:
   version "2.8.9"
   resolved "https://registry.yarnpkg.com/hosted-git-info/-/hosted-git-info-2.8.9.tgz#dffc0bf9a21c02209090f2aa69429e1414daf3f9"
@@ -5717,6 +5763,11 @@ mdurl@~1.0.1:
   resolved "https://registry.yarnpkg.com/mdurl/-/mdurl-1.0.1.tgz#fe85b2ec75a59037f2adfec100fd6c601761152e"
   integrity sha1-/oWy7HWlkDfyrf7BAP1sYBdhFS4=
 
+memoize-one@^5.1.1:
+  version "5.2.1"
+  resolved "https://registry.yarnpkg.com/memoize-one/-/memoize-one-5.2.1.tgz#8337aa3c4335581839ec01c3d594090cebe8f00e"
+  integrity sha512-zYiwtZUcYyXKo/np96AGZAckk+FWWsUdJ3cHGGmld7+AhvcWmQyGCYUh1hc4Q/pkOhb65dQR/pqCyK0cOaHz4Q==
+
 meow@^9.0.0:
   version "9.0.0"
   resolved "https://registry.yarnpkg.com/meow/-/meow-9.0.0.tgz#cd9510bc5cac9dee7d03c73ee1f9ad959f4ea364"
@@ -6632,6 +6683,11 @@ quick-lru@^4.0.1:
   resolved "https://registry.yarnpkg.com/quick-lru/-/quick-lru-4.0.1.tgz#5b8878f113a58217848c6482026c73e1ba57727f"
   integrity sha512-ARhCpm70fzdcvNQfPoy49IaanKkTlRWF2JMzqhcJbhSFRZv7nPTvZJdcY7301IPmvW+/p0RgIWnQDLJxifsQ7g==
 
+raf-schd@^4.0.2:
+  version "4.0.3"
+  resolved "https://registry.yarnpkg.com/raf-schd/-/raf-schd-4.0.3.tgz#5d6c34ef46f8b2a0e880a8fcdb743efc5bfdbc1a"
+  integrity sha512-tQkJl2GRWh83ui2DiPTJz9wEiMN20syf+5oKfB03yYP7ioZcJwsIK8FjrtLwH1m7C7e+Tt2yYBlrOpdT+dyeIQ==
+
 raf@^3.4.1:
   version "3.4.1"
   resolved "https://registry.yarnpkg.com/raf/-/raf-3.4.1.tgz#0742e99a4a6552f445d73e3ee0328af0ff1ede39"
@@ -6659,6 +6715,19 @@ re-resizable@^6.9.0:
   dependencies:
     fast-memoize "^2.5.1"
 
+react-beautiful-dnd@^13.1.0:
+  version "13.1.0"
+  resolved "https://registry.yarnpkg.com/react-beautiful-dnd/-/react-beautiful-dnd-13.1.0.tgz#ec97c81093593526454b0de69852ae433783844d"
+  integrity sha512-aGvblPZTJowOWUNiwd6tNfEpgkX5OxmpqxHKNW/4VmvZTNTbeiq7bA3bn5T+QSF2uibXB0D1DmJsb1aC/+3cUA==
+  dependencies:
+    "@babel/runtime" "^7.9.2"
+    css-box-model "^1.2.0"
+    memoize-one "^5.1.1"
+    raf-schd "^4.0.2"
+    react-redux "^7.2.0"
+    redux "^4.0.4"
+    use-memo-one "^1.1.1"
+
 react-clientside-effect@^1.2.2:
   version "1.2.3"
   resolved "https://registry.yarnpkg.com/react-clientside-effect/-/react-clientside-effect-1.2.3.tgz#95c95f520addfb71743608b990bfe01eb002012b"
@@ -6688,7 +6757,7 @@ react-focus-lock@^2.5.0:
     use-callback-ref "^1.2.1"
     use-sidecar "^1.0.1"
 
-react-is@^16.13.1, react-is@^16.8.1, react-is@^16.8.6:
+react-is@^16.13.1, react-is@^16.7.0, react-is@^16.8.1, react-is@^16.8.6:
   version "16.13.1"
   resolved "https://registry.yarnpkg.com/react-is/-/react-is-16.13.1.tgz#789729a4dc36de2999dc156dd6c1d9c18cea56a4"
   integrity sha512-24e6ynE2H+OKt4kqsOvNd8kBpV65zoxbA4BVsEOB3ARVWQki/DHzaUoC5KuON/BiccDaCCTZBuOcfZs70kR8bQ==
@@ -6698,6 +6767,18 @@ react-is@^17.0.1:
   resolved "https://registry.yarnpkg.com/react-is/-/react-is-17.0.1.tgz#5b3531bd76a645a4c9fb6e693ed36419e3301339"
   integrity sha512-NAnt2iGDXohE5LI7uBnLnqvLQMtzhkiAOLXTmv+qnF9Ky7xAPcX8Up/xWIhxvLVGJvuLiNc4xQLtuqDRzb4fSA==
 
+react-redux@^7.2.0:
+  version "7.2.4"
+  resolved "https://registry.yarnpkg.com/react-redux/-/react-redux-7.2.4.tgz#1ebb474032b72d806de2e0519cd07761e222e225"
+  integrity sha512-hOQ5eOSkEJEXdpIKbnRyl04LhaWabkDPV+Ix97wqQX3T3d2NQ8DUblNXXtNMavc7DpswyQM6xfaN4HQDKNY2JA==
+  dependencies:
+    "@babel/runtime" "^7.12.1"
+    "@types/react-redux" "^7.1.16"
+    hoist-non-react-statics "^3.3.2"
+    loose-envify "^1.4.0"
+    prop-types "^15.7.2"
+    react-is "^16.13.1"
+
 react-test-renderer@^16.0.0-0, react-test-renderer@^16.14.0:
   version "16.14.0"
   resolved "https://registry.yarnpkg.com/react-test-renderer/-/react-test-renderer-16.14.0.tgz#e98360087348e260c56d4fe2315e970480c228ae"
@@ -6818,6 +6899,13 @@ redent@^3.0.0:
     indent-string "^4.0.0"
     strip-indent "^3.0.0"
 
+redux@^4.0.0, redux@^4.0.4:
+  version "4.1.0"
+  resolved "https://registry.yarnpkg.com/redux/-/redux-4.1.0.tgz#eb049679f2f523c379f1aff345c8612f294c88d4"
+  integrity sha512-uI2dQN43zqLWCt6B/BMGRMY6db7TTY4qeHHfGeKb3EOhmOKjU3KdWvNLJyqaHRksv/ErdNH7cFZWg9jXtewy4g==
+  dependencies:
+    "@babel/runtime" "^7.9.2"
+
 reflect.ownkeys@^0.2.0:
   version "0.2.0"
   resolved "https://registry.yarnpkg.com/reflect.ownkeys/-/reflect.ownkeys-0.2.0.tgz#749aceec7f3fdf8b63f927a04809e90c5c0b3460"
@@ -7765,6 +7853,11 @@ through@^2.3.6:
   resolved "https://registry.yarnpkg.com/through/-/through-2.3.8.tgz#0dd4c9ffaabc357960b1b724115d7e0e86a2e1f5"
   integrity sha1-DdTJ/6q8NXlgsbckEV1+Doai4fU=
 
+tiny-invariant@^1.0.6:
+  version "1.1.0"
+  resolved "https://registry.yarnpkg.com/tiny-invariant/-/tiny-invariant-1.1.0.tgz#634c5f8efdc27714b7f386c35e6760991d230875"
+  integrity sha512-ytxQvrb1cPc9WBEI/HSeYYoGD0kWnGEOR8RY6KomWLBVhqz0RgTwVO9dLrGz7dC+nN9llyI7OKAgRq8Vq4ZBSw==
+
 tmatch@^2.0.1:
   version "2.0.1"
   resolved "https://registry.yarnpkg.com/tmatch/-/tmatch-2.0.1.tgz#0c56246f33f30da1b8d3d72895abaf16660f38cf"
@@ -8070,6 +8163,11 @@ use-callback-ref@^1.2.1:
   resolved "https://registry.yarnpkg.com/use-callback-ref/-/use-callback-ref-1.2.5.tgz#6115ed242cfbaed5915499c0a9842ca2912f38a5"
   integrity sha512-gN3vgMISAgacF7sqsLPByqoePooY3n2emTH59Ur5d/M8eg4WTWu1xp8i8DHjohftIyEx0S08RiYxbffr4j8Peg==
 
+use-memo-one@^1.1.1:
+  version "1.1.2"
+  resolved "https://registry.yarnpkg.com/use-memo-one/-/use-memo-one-1.1.2.tgz#0c8203a329f76e040047a35a1197defe342fab20"
+  integrity sha512-u2qFKtxLsia/r8qG0ZKkbytbztzRb317XCkT7yP8wxL0tZ/CzK2G+WWie5vWvpyeP7+YoPIwbJoIHJ4Ba4k0oQ==
+
 use-sidecar@^1.0.1:
   version "1.0.4"
   resolved "https://registry.yarnpkg.com/use-sidecar/-/use-sidecar-1.0.4.tgz#38398c3723727f9f924bed2343dfa3db6aaaee46"