From 931467a73ae3451f765e7b046b32f798aa6662c5 Mon Sep 17 00:00:00 2001
From: =?UTF-8?q?Micha=C5=82=20Dro=C5=84?= <dron.official@yahoo.com>
Date: Wed, 18 Jan 2023 10:23:24 +0100
Subject: [PATCH] Fix strict null checks in warehouses (#2945)

* Fix strict nulls in warehouse details

* Fix strict null check in warehouse list

* Fix stcit null checks in warehouse create view

* Fix overlapping label in textfields

* Improve labels in warehouse details

* Improve function description
---
 locale/defaultMessages.json                   |  8 ++--
 src/hooks/usePaginator.ts                     | 13 ++-----
 src/misc.ts                                   |  4 +-
 src/utils/handlers/filterHandlers.ts          |  2 +-
 src/utils/limits.ts                           | 18 +++++++--
 src/utils/maps.ts                             |  2 +-
 .../WarehouseCreatePage.stories.tsx           |  2 +-
 .../WarehouseDetailsPage.stories.tsx          |  2 +-
 .../WarehouseDetailsPage.tsx                  | 28 ++++++--------
 .../WarehouseList/WarehouseList.tsx           | 12 +++---
 .../WarehouseListPage/WarehouseListPage.tsx   | 29 ++++++++-------
 .../WarehouseSettings/WarehouseSettings.tsx   | 23 +++++++-----
 .../components/WarehouseSettings/messages.ts  |  8 ++--
 .../views/WarehouseCreate/WarehouseCreate.tsx |  9 +++--
 .../WarehouseDetails/WarehouseDetails.tsx     |  8 ++--
 .../views/WarehouseList/WarehouseList.tsx     | 37 +++++++++++--------
 src/warehouses/views/WarehouseList/sort.ts    |  2 +-
 17 files changed, 110 insertions(+), 97 deletions(-)

diff --git a/locale/defaultMessages.json b/locale/defaultMessages.json
index 7e71b98ca..9c2e92cb6 100644
--- a/locale/defaultMessages.json
+++ b/locale/defaultMessages.json
@@ -137,10 +137,6 @@
   "+xTpT1": {
     "string": "Attributes"
   },
-  "//iaFx": {
-    "context": "WarehouseSettings title",
-    "string": "Settings"
-  },
   "//k1GX": {
     "context": "expired on label",
     "string": "Expired on {date}"
@@ -1441,6 +1437,10 @@
     "context": "bulk issue menu item",
     "string": "Bulk Issue"
   },
+  "9kzIFd": {
+    "context": "WarehouseSettings stock title",
+    "string": "Stock settings"
+  },
   "9mGA/Q": {
     "context": "button linking to dashboard",
     "string": "Dashboard"
diff --git a/src/hooks/usePaginator.ts b/src/hooks/usePaginator.ts
index 9e89b76f2..1b3682ecd 100644
--- a/src/hooks/usePaginator.ts
+++ b/src/hooks/usePaginator.ts
@@ -4,10 +4,10 @@ import { createContext, useContext, useMemo } from "react";
 import { Pagination } from "../types";
 
 export interface PageInfo {
-  endCursor: string;
+  endCursor: string | null;
   hasNextPage: boolean;
   hasPreviousPage: boolean;
-  startCursor: string;
+  startCursor: string | null;
 }
 
 export interface PaginationState {
@@ -37,7 +37,7 @@ export function createPaginationState(
 }
 
 interface UsePaginatorArgs {
-  pageInfo: PageInfo;
+  pageInfo: PageInfo | undefined;
   paginationState: PaginationState;
   queryString: Pagination;
 }
@@ -99,12 +99,7 @@ function usePaginator({
 
 export default usePaginator;
 
-export interface PaginatorContextValuesCommon {
-  hasNextPage?: boolean;
-  hasPreviousPage?: boolean;
-  endCursor?: string | null;
-  startCursor?: string | null;
-}
+export type PaginatorContextValuesCommon = Partial<PageInfo>;
 
 export type PaginatorContextValues = PaginatorContextValuesCommon &
   (
diff --git a/src/misc.ts b/src/misc.ts
index f50f78c5a..decc1f82a 100644
--- a/src/misc.ts
+++ b/src/misc.ts
@@ -43,11 +43,11 @@ export type RequireOnlyOne<T, Keys extends keyof T = keyof T> = Pick<
   }[Keys];
 
 export function renderCollection<T>(
-  collection: T[],
+  collection: T[] | undefined,
   renderItem: (
     item: T | undefined,
     index: number | undefined,
-    collection: T[],
+    collection: T[] | undefined,
   ) => any,
   renderEmpty?: (collection: T[]) => any,
 ) {
diff --git a/src/utils/handlers/filterHandlers.ts b/src/utils/handlers/filterHandlers.ts
index aa7e3f3dc..0ba1cb8d0 100644
--- a/src/utils/handlers/filterHandlers.ts
+++ b/src/utils/handlers/filterHandlers.ts
@@ -4,7 +4,7 @@ import { ActiveTab, Pagination, Search, Sort } from "@dashboard/types";
 
 import { GetFilterQueryParam, getFilterQueryParams } from "../filters";
 
-type RequiredParams = ActiveTab & Search & Sort & Pagination;
+type RequiredParams = ActiveTab & Search & Sort<any> & Pagination;
 type CreateUrl = (params: RequiredParams) => string;
 type CreateFilterHandlers<TFilterKeys extends string> = [
   (filter: IFilter<TFilterKeys>) => void,
diff --git a/src/utils/limits.ts b/src/utils/limits.ts
index 68c65671f..f41ec7db7 100644
--- a/src/utils/limits.ts
+++ b/src/utils/limits.ts
@@ -1,7 +1,7 @@
 import { LimitInfoFragment, RefreshLimitsQuery } from "@dashboard/graphql";
 
 export function hasLimits(
-  limits: RefreshLimitsQuery["shop"]["limits"],
+  limits: RefreshLimitsQuery["shop"]["limits"] | undefined,
   key: keyof LimitInfoFragment,
 ): boolean {
   if (limits === undefined) {
@@ -10,14 +10,24 @@ export function hasLimits(
 
   return limits.allowedUsage[key] !== null;
 }
-
+/**
+ * Returns whether or not limit has been reached.
+ * If limits are undefined, returns false.
+ * */
 export function isLimitReached(
-  limits: RefreshLimitsQuery["shop"]["limits"],
+  limits: RefreshLimitsQuery["shop"]["limits"] | undefined,
   key: keyof LimitInfoFragment,
 ): boolean {
   if (!hasLimits(limits, key)) {
     return false;
   }
 
-  return limits.currentUsage[key] >= limits.allowedUsage[key];
+  const currentUsage = limits?.currentUsage[key];
+  const allowedUsage = limits?.allowedUsage[key];
+
+  if (!currentUsage || !allowedUsage) {
+    return false;
+  }
+
+  return currentUsage >= allowedUsage!;
 }
diff --git a/src/utils/maps.ts b/src/utils/maps.ts
index bd76db268..198bbf11b 100644
--- a/src/utils/maps.ts
+++ b/src/utils/maps.ts
@@ -17,7 +17,7 @@ interface Edge<T> {
   node: T;
 }
 interface Connection<T> {
-  edges: Array<Edge<T>> | undefined;
+  edges: Array<Edge<T>> | undefined | null;
 }
 
 export function mapEdgesToItems<T>(
diff --git a/src/warehouses/components/WarehouseCreatePage/WarehouseCreatePage.stories.tsx b/src/warehouses/components/WarehouseCreatePage/WarehouseCreatePage.stories.tsx
index c15c46f2e..6e0185459 100644
--- a/src/warehouses/components/WarehouseCreatePage/WarehouseCreatePage.stories.tsx
+++ b/src/warehouses/components/WarehouseCreatePage/WarehouseCreatePage.stories.tsx
@@ -17,7 +17,7 @@ const props: WarehouseCreatePageProps = {
   })),
   disabled: false,
   errors: [],
-  onSubmit: () => undefined,
+  onSubmit: async () => undefined,
   saveButtonBarState: "default",
 };
 storiesOf("Warehouses / Create warehouse", module)
diff --git a/src/warehouses/components/WarehouseDetailsPage/WarehouseDetailsPage.stories.tsx b/src/warehouses/components/WarehouseDetailsPage/WarehouseDetailsPage.stories.tsx
index f12e5f146..942014a11 100644
--- a/src/warehouses/components/WarehouseDetailsPage/WarehouseDetailsPage.stories.tsx
+++ b/src/warehouses/components/WarehouseDetailsPage/WarehouseDetailsPage.stories.tsx
@@ -19,7 +19,7 @@ const props: WarehouseDetailsPageProps = {
   disabled: false,
   errors: [],
   onDelete: () => undefined,
-  onSubmit: () => undefined,
+  onSubmit: async () => undefined,
   saveButtonBarState: "default",
   warehouse,
 };
diff --git a/src/warehouses/components/WarehouseDetailsPage/WarehouseDetailsPage.tsx b/src/warehouses/components/WarehouseDetailsPage/WarehouseDetailsPage.tsx
index 3880c4f28..aecebc79a 100644
--- a/src/warehouses/components/WarehouseDetailsPage/WarehouseDetailsPage.tsx
+++ b/src/warehouses/components/WarehouseDetailsPage/WarehouseDetailsPage.tsx
@@ -9,7 +9,6 @@ import PageHeader from "@dashboard/components/PageHeader";
 import Savebar from "@dashboard/components/Savebar";
 import { AddressTypeInput } from "@dashboard/customers/types";
 import {
-  CountryCode,
   CountryWithCodeFragment,
   WarehouseClickAndCollectOptionEnum,
   WarehouseDetailsFragment,
@@ -20,7 +19,6 @@ import { SubmitPromise } from "@dashboard/hooks/useForm";
 import useNavigator from "@dashboard/hooks/useNavigator";
 import useStateFromProps from "@dashboard/hooks/useStateFromProps";
 import { sectionNames } from "@dashboard/intl";
-import { findValueInEnum, maybe } from "@dashboard/misc";
 import createSingleAutocompleteSelectHandler from "@dashboard/utils/handlers/singleAutocompleteSelectChangeHandler";
 import { mapCountriesToChoices, mapEdgesToItems } from "@dashboard/utils/maps";
 import { warehouseListUrl } from "@dashboard/warehouses/urls";
@@ -41,7 +39,7 @@ export interface WarehouseDetailsPageProps {
   disabled: boolean;
   errors: WarehouseErrorFragment[];
   saveButtonBarState: ConfirmButtonTransitionState;
-  warehouse: WarehouseDetailsFragment;
+  warehouse: WarehouseDetailsFragment | undefined;
   onDelete: () => void;
   onSubmit: (data: WarehouseDetailsPageFormData) => SubmitPromise;
 }
@@ -68,21 +66,19 @@ const WarehouseDetailsPage: React.FC<WarehouseDetailsPageProps> = ({
   } = useAddressValidation(onSubmit);
 
   const initialForm: WarehouseDetailsPageFormData = {
-    city: maybe(() => warehouse.address.city, ""),
-    companyName: maybe(() => warehouse.address.companyName, ""),
-    country: maybe(() =>
-      findValueInEnum(warehouse.address.country.code, CountryCode),
-    ),
+    city: warehouse?.address.city ?? "",
+    companyName: warehouse?.address.companyName ?? "",
+    country: warehouse?.address.country.code ?? "",
     isPrivate: !!warehouse?.isPrivate,
     clickAndCollectOption:
       warehouse?.clickAndCollectOption ||
       WarehouseClickAndCollectOptionEnum.DISABLED,
-    countryArea: maybe(() => warehouse.address.countryArea, ""),
-    name: maybe(() => warehouse.name, ""),
-    phone: maybe(() => warehouse.address.phone, ""),
-    postalCode: maybe(() => warehouse.address.postalCode, ""),
-    streetAddress1: maybe(() => warehouse.address.streetAddress1, ""),
-    streetAddress2: maybe(() => warehouse.address.streetAddress2, ""),
+    countryArea: warehouse?.address.countryArea ?? "",
+    name: warehouse?.name ?? "",
+    phone: warehouse?.address.phone ?? "",
+    postalCode: warehouse?.address.postalCode ?? "",
+    streetAddress1: warehouse?.address.streetAddress1 ?? "",
+    streetAddress2: warehouse?.address.streetAddress2 ?? "",
   };
 
   return (
@@ -133,7 +129,7 @@ const WarehouseDetailsPage: React.FC<WarehouseDetailsPageProps> = ({
               </div>
               <div>
                 <WarehouseSettings
-                  zones={mapEdgesToItems(warehouse?.shippingZones)}
+                  zones={mapEdgesToItems(warehouse?.shippingZones) ?? []}
                   data={data}
                   disabled={disabled}
                   onChange={change}
@@ -142,7 +138,7 @@ const WarehouseDetailsPage: React.FC<WarehouseDetailsPageProps> = ({
               </div>
             </Grid>
             <Savebar
-              disabled={isSaveDisabled}
+              disabled={!!isSaveDisabled}
               onCancel={() => navigate(warehouseListUrl())}
               onDelete={onDelete}
               onSubmit={submit}
diff --git a/src/warehouses/components/WarehouseList/WarehouseList.tsx b/src/warehouses/components/WarehouseList/WarehouseList.tsx
index cd7a1d2f3..5faef07eb 100644
--- a/src/warehouses/components/WarehouseList/WarehouseList.tsx
+++ b/src/warehouses/components/WarehouseList/WarehouseList.tsx
@@ -5,7 +5,7 @@ import TableCellHeader from "@dashboard/components/TableCellHeader";
 import { TablePaginationWithContext } from "@dashboard/components/TablePagination";
 import TableRowLink from "@dashboard/components/TableRowLink";
 import { WarehouseWithShippingFragment } from "@dashboard/graphql";
-import { maybe, renderCollection, stopPropagation } from "@dashboard/misc";
+import { renderCollection, stopPropagation } from "@dashboard/misc";
 import { ListProps, SortPage } from "@dashboard/types";
 import { mapEdgesToItems } from "@dashboard/utils/maps";
 import { getArrowDirection } from "@dashboard/utils/sort";
@@ -64,8 +64,8 @@ const useStyles = makeStyles(
 interface WarehouseListProps
   extends ListProps,
     SortPage<WarehouseListUrlSortField> {
-  warehouses: WarehouseWithShippingFragment[];
-  onRemove: (id: string) => void;
+  warehouses: WarehouseWithShippingFragment[] | undefined;
+  onRemove: (id: string | undefined) => void;
 }
 
 const numberOfColumns = 3;
@@ -90,7 +90,7 @@ const WarehouseList: React.FC<WarehouseListProps> = props => {
           <TableCellHeader
             direction={
               sort.sort === WarehouseListUrlSortField.name
-                ? getArrowDirection(sort.asc)
+                ? getArrowDirection(!!sort.asc)
                 : undefined
             }
             arrowPosition="right"
@@ -136,7 +136,7 @@ const WarehouseList: React.FC<WarehouseListProps> = props => {
               }
             >
               <TableCell className={classes.colName} data-test-id="name">
-                {maybe<React.ReactNode>(() => warehouse.name, <Skeleton />)}
+                {warehouse?.name ?? <Skeleton />}
               </TableCell>
               <TableCell className={classes.colZones} data-test-id="zones">
                 {warehouse?.shippingZones === undefined ? (
@@ -160,7 +160,7 @@ const WarehouseList: React.FC<WarehouseListProps> = props => {
                     <IconButton
                       variant="secondary"
                       color="primary"
-                      onClick={stopPropagation(() => onRemove(warehouse.id))}
+                      onClick={stopPropagation(() => onRemove(warehouse?.id))}
                     >
                       <DeleteIcon />
                     </IconButton>
diff --git a/src/warehouses/components/WarehouseListPage/WarehouseListPage.tsx b/src/warehouses/components/WarehouseListPage/WarehouseListPage.tsx
index 1ee34223b..829780514 100644
--- a/src/warehouses/components/WarehouseListPage/WarehouseListPage.tsx
+++ b/src/warehouses/components/WarehouseListPage/WarehouseListPage.tsx
@@ -32,8 +32,8 @@ export interface WarehouseListPageProps
     SearchPageProps,
     SortPage<WarehouseListUrlSortField>,
     TabPageProps {
-  limits: RefreshLimitsQuery["shop"]["limits"];
-  warehouses: WarehouseWithShippingFragment[];
+  limits: RefreshLimitsQuery["shop"]["limits"] | undefined;
+  warehouses: WarehouseWithShippingFragment[] | undefined;
   onRemove: (id: string) => void;
 }
 
@@ -66,18 +66,19 @@ export const WarehouseListPage: React.FC<WarehouseListPageProps> = ({
       <PageHeader
         title={intl.formatMessage(sectionNames.warehouses)}
         limitText={
-          hasLimits(limits, "warehouses") &&
-          intl.formatMessage(
-            {
-              id: "YkOzse",
-              defaultMessage: "{count}/{max} warehouses used",
-              description: "used warehouses counter",
-            },
-            {
-              count: limits.currentUsage.warehouses,
-              max: limits.allowedUsage.warehouses,
-            },
-          )
+          hasLimits(limits, "warehouses")
+            ? intl.formatMessage(
+                {
+                  id: "YkOzse",
+                  defaultMessage: "{count}/{max} warehouses used",
+                  description: "used warehouses counter",
+                },
+                {
+                  count: limits?.currentUsage.warehouses,
+                  max: limits?.allowedUsage.warehouses,
+                },
+              )
+            : undefined
         }
       >
         <Button
diff --git a/src/warehouses/components/WarehouseSettings/WarehouseSettings.tsx b/src/warehouses/components/WarehouseSettings/WarehouseSettings.tsx
index b15cea2d3..e0269c7c7 100644
--- a/src/warehouses/components/WarehouseSettings/WarehouseSettings.tsx
+++ b/src/warehouses/components/WarehouseSettings/WarehouseSettings.tsx
@@ -1,4 +1,3 @@
-import CardSpacer from "@dashboard/components/CardSpacer";
 import CardTitle from "@dashboard/components/CardTitle";
 import { FormSpacer } from "@dashboard/components/FormSpacer";
 import Link from "@dashboard/components/Link";
@@ -9,6 +8,7 @@ import {
   WarehouseClickAndCollectOptionEnum,
   WarehouseWithShippingFragment,
 } from "@dashboard/graphql";
+import { sectionNames } from "@dashboard/intl";
 import { renderCollection } from "@dashboard/misc";
 import { shippingZoneUrl } from "@dashboard/shipping/urls";
 import { RelayToFlat } from "@dashboard/types";
@@ -146,9 +146,7 @@ const WarehouseSettings: React.FC<WarehouseSettingsProps> = ({
 
   return (
     <Card>
-      <CardTitle
-        title={<FormattedMessage {...messages.warehouseSettingsTitle} />}
-      />
+      <CardTitle title={<FormattedMessage {...sectionNames.shippingZones} />} />
       <CardContent>
         {renderCollection(
           zones,
@@ -172,8 +170,10 @@ const WarehouseSettings: React.FC<WarehouseSettingsProps> = ({
         )}
       </CardContent>
       <Divider />
+      <CardTitle
+        title={<FormattedMessage {...messages.warehouseSettingsStockTitle} />}
+      />
       <CardContent>
-        <CardSpacer />
         <RadioGroupField
           disabled={disabled}
           choices={isPrivateChoices}
@@ -184,12 +184,15 @@ const WarehouseSettings: React.FC<WarehouseSettingsProps> = ({
         />
       </CardContent>
       <Divider />
+      <CardTitle
+        title={
+          <>
+            <FormattedMessage {...messages.warehouseSettingsPickupTitle} />
+            <PreviewPill className={classes.preview} />
+          </>
+        }
+      />
       <CardContent>
-        <Typography color="textSecondary" variant="h6">
-          <FormattedMessage {...messages.warehouseSettingsPickupTitle} />
-          <PreviewPill className={classes.preview} />
-        </Typography>
-        <CardSpacer />
         <RadioGroupField
           disabled={disabled}
           choices={
diff --git a/src/warehouses/components/WarehouseSettings/messages.ts b/src/warehouses/components/WarehouseSettings/messages.ts
index ddf72c84b..033ada2bd 100644
--- a/src/warehouses/components/WarehouseSettings/messages.ts
+++ b/src/warehouses/components/WarehouseSettings/messages.ts
@@ -54,10 +54,10 @@ const messages = defineMessages({
       "If selected customer will be able to choose this warehouse as pickup point. Ordered products can be shipped here from a different warehouse",
     description: "WarehouseSettings all warehouses description",
   },
-  warehouseSettingsTitle: {
-    id: "//iaFx",
-    defaultMessage: "Settings",
-    description: "WarehouseSettings title",
+  warehouseSettingsStockTitle: {
+    id: "9kzIFd",
+    defaultMessage: "Stock settings",
+    description: "WarehouseSettings stock title",
   },
   warehouseSettingsPickupTitle: {
     id: "MIC9W7",
diff --git a/src/warehouses/views/WarehouseCreate/WarehouseCreate.tsx b/src/warehouses/views/WarehouseCreate/WarehouseCreate.tsx
index 6693712de..76749135a 100644
--- a/src/warehouses/views/WarehouseCreate/WarehouseCreate.tsx
+++ b/src/warehouses/views/WarehouseCreate/WarehouseCreate.tsx
@@ -23,8 +23,11 @@ const WarehouseCreate: React.FC = () => {
   const shop = useShop();
   const [createWarehouse, createWarehouseOpts] = useWarehouseCreateMutation({
     onCompleted: data => {
-      if (data.createWarehouse.errors.length === 0) {
-        navigate(warehouseUrl(data.createWarehouse.warehouse.id));
+      if (data?.createWarehouse?.errors.length === 0) {
+        const warehouse = data?.createWarehouse?.warehouse;
+        if (warehouse?.id) {
+          navigate(warehouseUrl(warehouse.id));
+        }
         notify({
           status: "success",
           text: intl.formatMessage(commonMessages.savedChanges),
@@ -68,7 +71,7 @@ const WarehouseCreate: React.FC = () => {
       <WarehouseCreatePage
         countries={shop?.countries || []}
         disabled={createWarehouseOpts.loading}
-        errors={createWarehouseOpts.data?.createWarehouse.errors || []}
+        errors={createWarehouseOpts.data?.createWarehouse?.errors || []}
         saveButtonBarState={createWarehouseTransitionState}
         onSubmit={handleSubmit}
       />
diff --git a/src/warehouses/views/WarehouseDetails/WarehouseDetails.tsx b/src/warehouses/views/WarehouseDetails/WarehouseDetails.tsx
index 03dafa5e6..a0a90184b 100644
--- a/src/warehouses/views/WarehouseDetails/WarehouseDetails.tsx
+++ b/src/warehouses/views/WarehouseDetails/WarehouseDetails.tsx
@@ -45,7 +45,7 @@ const WarehouseDetails: React.FC<WarehouseDetailsProps> = ({ id, params }) => {
   });
   const [updateWarehouse, updateWarehouseOpts] = useWarehouseUpdateMutation({
     onCompleted: data => {
-      if (data.updateWarehouse.errors.length === 0) {
+      if (data?.updateWarehouse?.errors.length === 0) {
         notify({
           status: "success",
           text: intl.formatMessage(commonMessages.savedChanges),
@@ -57,7 +57,7 @@ const WarehouseDetails: React.FC<WarehouseDetailsProps> = ({ id, params }) => {
 
   const [deleteWarehouse, deleteWarehouseOpts] = useWarehouseDeleteMutation({
     onCompleted: data => {
-      if (data.deleteWarehouse.errors.length === 0) {
+      if (data?.deleteWarehouse?.errors.length === 0) {
         notify({
           status: "success",
           text: intl.formatMessage(commonMessages.savedChanges),
@@ -105,11 +105,11 @@ const WarehouseDetails: React.FC<WarehouseDetailsProps> = ({ id, params }) => {
 
   return (
     <>
-      <WindowTitle title={data?.warehouse?.name} />
+      <WindowTitle title={getStringOrPlaceholder(data?.warehouse?.name)} />
       <WarehouseDetailsPage
         countries={shop?.countries || []}
         disabled={loading || updateWarehouseOpts.loading}
-        errors={updateWarehouseOpts.data?.updateWarehouse.errors || []}
+        errors={updateWarehouseOpts.data?.updateWarehouse?.errors || []}
         saveButtonBarState={updateWarehouseTransitionState}
         warehouse={data?.warehouse}
         onDelete={() => openModal("delete")}
diff --git a/src/warehouses/views/WarehouseList/WarehouseList.tsx b/src/warehouses/views/WarehouseList/WarehouseList.tsx
index a3526a047..6021d22b4 100644
--- a/src/warehouses/views/WarehouseList/WarehouseList.tsx
+++ b/src/warehouses/views/WarehouseList/WarehouseList.tsx
@@ -78,7 +78,7 @@ const WarehouseList: React.FC<WarehouseListProps> = ({ params }) => {
   });
   const [deleteWarehouse, deleteWarehouseOpts] = useWarehouseDeleteMutation({
     onCompleted: data => {
-      if (data.deleteWarehouse.errors.length === 0) {
+      if (data?.deleteWarehouse?.errors.length === 0) {
         notify({
           status: "success",
           text: intl.formatMessage(commonMessages.savedChanges),
@@ -96,7 +96,7 @@ const WarehouseList: React.FC<WarehouseListProps> = ({ params }) => {
 
   const [, resetFilters, handleSearchChange] = createFilterHandlers({
     createUrl: warehouseListUrl,
-    getFilterQueryParam: () => undefined,
+    getFilterQueryParam: async () => undefined,
     navigate,
     params,
   });
@@ -125,7 +125,7 @@ const WarehouseList: React.FC<WarehouseListProps> = ({ params }) => {
   };
 
   const paginationValues = usePaginator({
-    pageInfo: maybe(() => data.warehouses.pageInfo),
+    pageInfo: data?.warehouses?.pageInfo,
     paginationState,
     queryString: params,
   });
@@ -155,19 +155,24 @@ const WarehouseList: React.FC<WarehouseListProps> = ({ params }) => {
         onUpdateListSettings={updateListSettings}
         sort={getSortParams(params)}
       />
-      <WarehouseDeleteDialog
-        confirmButtonState={deleteTransitionState}
-        name={mapEdgesToItems(data?.warehouses)?.find(getById(params.id))?.name}
-        open={params.action === "delete"}
-        onClose={closeModal}
-        onConfirm={() =>
-          deleteWarehouse({
-            variables: {
-              id: params.id,
-            },
-          })
-        }
-      />
+      {!!params.id && (
+        <WarehouseDeleteDialog
+          confirmButtonState={deleteTransitionState}
+          name={
+            mapEdgesToItems(data?.warehouses)?.find(getById(params.id))?.name ??
+            ""
+          }
+          open={params.action === "delete"}
+          onClose={closeModal}
+          onConfirm={() =>
+            deleteWarehouse({
+              variables: {
+                id: params.id!,
+              },
+            })
+          }
+        />
+      )}
       <SaveFilterTabDialog
         open={params.action === "save-search"}
         confirmButtonState="default"
diff --git a/src/warehouses/views/WarehouseList/sort.ts b/src/warehouses/views/WarehouseList/sort.ts
index f8de431d7..65d857d23 100644
--- a/src/warehouses/views/WarehouseList/sort.ts
+++ b/src/warehouses/views/WarehouseList/sort.ts
@@ -9,7 +9,7 @@ export function getSortQueryField(
     case WarehouseListUrlSortField.name:
       return WarehouseSortField.NAME;
     default:
-      return undefined;
+      throw new Error("Invalid sort field");
   }
 }