Ensured JSON decodedoes not happen for endpoints returning empty body

src/api/services/ShlinkApiClient.ts

@@ -79,7 +79,7 @@ export class ShlinkApiClient {
     this.performRequest<ShortUrl>(`/short-urls/${shortCode}`, 'GET', { domain });
 
   public readonly deleteShortUrl = async (shortCode: string, domain?: OptionalString): Promise<void> =>
-    this.performRequest(`/short-urls/${shortCode}`, 'DELETE', { domain })
+    this.performRequest<void>(`/short-urls/${shortCode}`, 'DELETE', { domain })
       .then(() => {});
 
   public readonly updateShortUrl = async (
@@ -95,11 +95,11 @@ export class ShlinkApiClient {
       .then(({ data, stats }) => ({ tags: data, stats }));
 
   public readonly deleteTags = async (tags: string[]): Promise<{ tags: string[] }> =>
-    this.performRequest('/tags', 'DELETE', { tags })
+    this.performRequest<void>('/tags', 'DELETE', { tags })
       .then(() => ({ tags }));
 
   public readonly editTag = async (oldName: string, newName: string): Promise<{ oldName: string; newName: string }> =>
-    this.performRequest('/tags', 'PUT', {}, { oldName, newName })
+    this.performRequest<void>('/tags', 'PUT', {}, { oldName, newName })
       .then(() => ({ oldName, newName }));
 
   public readonly health = async (): Promise<ShlinkHealth> => this.performRequest<ShlinkHealth>('/health', 'GET');

src/common/services/HttpClient.ts

@@ -5,13 +5,15 @@ export class HttpClient {
 
   public fetchJson<T>(url: string, options?: RequestInit): Promise<T> {
     return this.fetch(url, options).then(async (resp) => {
-      const parsed = await resp.json();
-
       if (!resp.ok) {
-        throw parsed;
+        throw await resp.json();
       }
 
-      return parsed as T;
+      try {
+        return (await resp.json()) as T;
+      } catch (e) {
+        return undefined as T;
+      }
     });
   }
 

src/tags/helpers/EditTagModal.tsx

@@ -27,9 +27,10 @@ export const EditTagModal = ({ getColorForKey }: ColorGenerator) => (
   const [showColorPicker, toggleColorPicker, , hideColorPicker] = useToggle();
   const { editing, error, edited, errorData } = tagEdit;
   const saveTag = handleEventPreventingDefault(
-    async () => editTag({ oldName: tag, newName: newTagName, color })
+    async () => {
-      .then(toggle)
+      await editTag({ oldName: tag, newName: newTagName, color });
-      .catch(() => {}),
+      toggle();
+    },
   );
   const onClosed = pipe(hideColorPicker, () => edited && tagEdited({ oldName: tag, newName: newTagName, color }));
 

src/tags/reducers/tagEdit.ts

@@ -33,8 +33,10 @@ const initialState: TagEdition = {
 
 export const tagEdited = createAction<EditTag>(`${REDUCER_PREFIX}/tagEdited`);
 
-export const tagEditReducerCreator = (buildShlinkApiClient: ShlinkApiClientBuilder, colorGenerator: ColorGenerator) => {
+export const editTag = (
-  const editTag = createAsyncThunk(
+  buildShlinkApiClient: ShlinkApiClientBuilder,
+  colorGenerator: ColorGenerator,
+) => createAsyncThunk(
   `${REDUCER_PREFIX}/editTag`,
   async ({ oldName, newName, color }: EditTag, { getState }): Promise<EditTag> => {
     await buildShlinkApiClient(getState).editTag(oldName, newName);
@@ -42,26 +44,23 @@ export const tagEditReducerCreator = (buildShlinkApiClient: ShlinkApiClientBuild
 
     return { oldName, newName, color };
   },
-  );
+);
 
-  const { reducer } = createSlice({
+export const tagEditReducerCreator = (editTagThunk: ReturnType<typeof editTag>) => createSlice({
   name: REDUCER_PREFIX,
   initialState,
   reducers: {},
   extraReducers: (builder) => {
-      builder.addCase(editTag.pending, () => ({ editing: true, edited: false, error: false }));
+    builder.addCase(editTagThunk.pending, () => ({ editing: true, edited: false, error: false }));
     builder.addCase(
-        editTag.rejected,
+      editTagThunk.rejected,
       (_, { error }) => ({ editing: false, edited: false, error: true, errorData: parseApiError(error) }),
     );
-      builder.addCase(editTag.fulfilled, (_, { payload }) => ({
+    builder.addCase(editTagThunk.fulfilled, (_, { payload }) => ({
       ...pick(['oldName', 'newName'], payload),
       editing: false,
       edited: true,
       error: false,
     }));
   },
-  });
+});
-
-  return { reducer, editTag };
-};

src/tags/reducers/tagsList.ts

@@ -111,15 +111,15 @@ export const tagsListReducerCreator = (
       { ...initialState, stats: payload.stats, tags: payload.tags, filteredTags: payload.tags }
     ));
 
-    builder.addCase(tagDeleted, (state, { payload: tag }) => ({
+    builder.addCase(tagDeleted, ({ tags, filteredTags, ...rest }, { payload: tag }) => ({
-      ...state,
+      ...rest,
-      tags: rejectTag(state.tags, tag),
+      tags: rejectTag(tags, tag),
-      filteredTags: rejectTag(state.filteredTags, tag),
+      filteredTags: rejectTag(filteredTags, tag),
     }));
-    builder.addCase(tagEdited, (state, { payload }) => ({
+    builder.addCase(tagEdited, ({ tags, filteredTags, ...rest }, { payload }) => ({
-      ...state,
+      ...rest,
-      tags: state.tags.map(renameTag(payload.oldName, payload.newName)).sort(),
+      tags: tags.map(renameTag(payload.oldName, payload.newName)).sort(),
-      filteredTags: state.filteredTags.map(renameTag(payload.oldName, payload.newName)).sort(),
+      filteredTags: filteredTags.map(renameTag(payload.oldName, payload.newName)).sort(),
     }));
     builder.addCase(createNewVisits, (state, { payload }) => ({
       ...state,

src/tags/services/provideServices.ts

@@ -7,7 +7,7 @@ import { EditTagModal } from '../helpers/EditTagModal';
 import { TagsList } from '../TagsList';
 import { filterTags, listTags, tagsListReducerCreator } from '../reducers/tagsList';
 import { tagDeleted, tagDeleteReducerCreator } from '../reducers/tagDelete';
-import { tagEdited, tagEditReducerCreator } from '../reducers/tagEdit';
+import { editTag, tagEdited, tagEditReducerCreator } from '../reducers/tagEdit';
 import { ConnectDecorator } from '../../container/types';
 import { TagsCards } from '../TagsCards';
 import { TagsTable } from '../TagsTable';
@@ -38,7 +38,7 @@ const provideServices = (bottle: Bottle, connect: ConnectDecorator) => {
   ));
 
   // Reducers
-  bottle.serviceFactory('tagEditReducerCreator', tagEditReducerCreator, 'buildShlinkApiClient', 'ColorGenerator');
+  bottle.serviceFactory('tagEditReducerCreator', tagEditReducerCreator, 'editTag');
   bottle.serviceFactory('tagEditReducer', prop('reducer'), 'tagEditReducerCreator');
 
   bottle.serviceFactory('tagDeleteReducerCreator', tagDeleteReducerCreator, 'buildShlinkApiClient');
@@ -58,7 +58,7 @@ const provideServices = (bottle: Bottle, connect: ConnectDecorator) => {
   bottle.serviceFactory('deleteTag', prop('deleteTag'), 'tagDeleteReducerCreator');
   bottle.serviceFactory('tagDeleted', () => tagDeleted);
 
-  bottle.serviceFactory('editTag', prop('editTag'), 'tagEditReducerCreator');
+  bottle.serviceFactory('editTag', editTag, 'buildShlinkApiClient', 'ColorGenerator');
   bottle.serviceFactory('tagEdited', () => tagEdited);
 };