Update

This commit addresses the two currently outstanding issues and also introduces some changes:

- The port has been changed from 3000 to 8080
- The format of the imprint.json file has changed. See the current example file.

Dockerfile

@@ -1,18 +1,12 @@
-FROM node:current-alpine
+FROM node:lts AS build
 
 WORKDIR /app
+COPY package.json yarn.lock ./
+RUN yarn install
 
-COPY yarn.lock .
-COPY package.json .
+COPY . ./
+RUN yarn build
 
-RUN [ "yarn", "install" ]
-
-COPY data /app/data
-COPY src /app/src
-COPY public /app/public
-
-RUN [ "yarn", "build" ]
-
-EXPOSE 3000 8080
-
-CMD [ "yarn", "serve:production" ]
+FROM ratisbonacoding/nginx-cloudflare-cache
+COPY --from=build /app/build /app
+COPY nginx.conf /etc/nginx/nginx.conf

data/imprint.json

@@ -1,4 +1,5 @@
 {
+  "imprint": {
     "name": {
       "text": "John Doe",
       "link": "#"
@@ -19,4 +20,5 @@
       "text": "example.com",
       "link": "#"
     }
+  }
 }

docker-compose.yml

@@ -7,4 +7,4 @@ services:
 		volumes:
 			- ./data:/app/data
 		ports:
-			- 3000:3000
+			- 8080:8080

nginx.conf

@@ -0,0 +1,30 @@
+worker_processes auto;
+pid /tmp/nginx.pid;
+
+events {
+  worker_connections  1024;
+}
+
+http {
+  include /etc/nginx/mime.types;
+  default_type application/octet-stream;
+
+  log_format main '[$time_iso8601] $request_method $uri - $status';
+  server_tokens off;
+
+  sendfile on;
+  keepalive_timeout 65;
+
+  access_log /var/log/nginx/access.log main;
+  error_log /dev/null;
+
+  server {
+    server_name localhost;
+    listen 8080;
+
+    location / {
+      root /app;
+      index index.html index.htm;
+    }
+  }
+}

public/fonts/icons/icons.css

@@ -0,0 +1,23 @@
+/* fallback */
+@font-face {
+  font-family: "Material Icons";
+  font-style: normal;
+  font-weight: 400;
+  src: url(icons.woff2) format("woff2");
+}
+
+.material-icons {
+  font-family: "Material Icons";
+  font-weight: normal;
+  font-style: normal;
+  font-size: 24px;
+  line-height: 1;
+  letter-spacing: normal;
+  text-transform: none;
+  display: inline-block;
+  white-space: nowrap;
+  word-wrap: normal;
+  direction: ltr;
+  text-rendering: optimizeLegibility;
+  -webkit-font-smoothing: antialiased;
+}

public/fonts/roboto/roboto.css

@@ -0,0 +1,272 @@
+/* cyrillic-ext */
+@font-face {
+  font-family: "Roboto";
+  font-style: normal;
+  font-weight: 400;
+  src: url(cyrillic-ext-400.woff2) format("woff2");
+  unicode-range: U+0460-052F, U+1C80-1C88, U+20B4, U+2DE0-2DFF, U+A640-A69F,
+    U+FE2E-FE2F;
+}
+
+/* cyrillic */
+@font-face {
+  font-family: "Roboto";
+  font-style: normal;
+  font-weight: 400;
+  src: url(cyrillic-400.woff2) format("woff2");
+  unicode-range: U+0400-045F, U+0490-0491, U+04B0-04B1, U+2116;
+}
+
+/* greek-ext */
+@font-face {
+  font-family: "Roboto";
+  font-style: normal;
+  font-weight: 400;
+  src: url(greek-ext-400.woff2) format("woff2");
+  unicode-range: U+1F00-1FFF;
+}
+
+/* greek */
+@font-face {
+  font-family: "Roboto";
+  font-style: normal;
+  font-weight: 400;
+  src: url(greek-400.woff2) format("woff2");
+  unicode-range: U+0370-03FF;
+}
+
+/* vietnamese */
+@font-face {
+  font-family: "Roboto";
+  font-style: normal;
+  font-weight: 400;
+  src: url(vietnamese-400.woff2) format("woff2");
+  unicode-range: U+0102-0103, U+0110-0111, U+0128-0129, U+0168-0169, U+01A0-01A1,
+    U+01AF-01B0, U+1EA0-1EF9, U+20AB;
+}
+
+/* latin-ext */
+@font-face {
+  font-family: "Roboto";
+  font-style: normal;
+  font-weight: 400;
+  src: url(latin-ext-400.woff2) format("woff2");
+  unicode-range: U+0100-024F, U+0259, U+1E00-1EFF, U+2020, U+20A0-20AB,
+    U+20AD-20CF, U+2113, U+2C60-2C7F, U+A720-A7FF;
+}
+
+/* latin */
+@font-face {
+  font-family: "Roboto";
+  font-style: normal;
+  font-weight: 400;
+  src: url(latin-400.woff2) format("woff2");
+  unicode-range: U+0000-00FF, U+0131, U+0152-0153, U+02BB-02BC, U+02C6, U+02DA,
+    U+02DC, U+2000-206F, U+2074, U+20AC, U+2122, U+2191, U+2193, U+2212, U+2215,
+    U+FEFF, U+FFFD;
+}
+
+/* cyrillic-ext */
+@font-face {
+  font-family: "Roboto";
+  font-style: normal;
+  font-weight: 500;
+  src: url(cyrillic-ext-500.woff2) format("woff2");
+  unicode-range: U+0460-052F, U+1C80-1C88, U+20B4, U+2DE0-2DFF, U+A640-A69F,
+    U+FE2E-FE2F;
+}
+
+/* cyrillic */
+@font-face {
+  font-family: "Roboto";
+  font-style: normal;
+  font-weight: 500;
+  src: url(cyrillic-500.woff2) format("woff2");
+  unicode-range: U+0400-045F, U+0490-0491, U+04B0-04B1, U+2116;
+}
+
+/* greek-ext */
+@font-face {
+  font-family: "Roboto";
+  font-style: normal;
+  font-weight: 500;
+  src: url(greek-ext-500.woff2) format("woff2");
+  unicode-range: U+1F00-1FFF;
+}
+
+/* greek */
+@font-face {
+  font-family: "Roboto";
+  font-style: normal;
+  font-weight: 500;
+  src: url(greek-500.woff2) format("woff2");
+  unicode-range: U+0370-03FF;
+}
+
+/* vietnamese */
+@font-face {
+  font-family: "Roboto";
+  font-style: normal;
+  font-weight: 500;
+  src: url(vietnamese-500.woff2) format("woff2");
+  unicode-range: U+0102-0103, U+0110-0111, U+0128-0129, U+0168-0169, U+01A0-01A1,
+    U+01AF-01B0, U+1EA0-1EF9, U+20AB;
+}
+
+/* latin-ext */
+@font-face {
+  font-family: "Roboto";
+  font-style: normal;
+  font-weight: 500;
+  src: url(latin-ext-500.woff2) format("woff2");
+  unicode-range: U+0100-024F, U+0259, U+1E00-1EFF, U+2020, U+20A0-20AB,
+    U+20AD-20CF, U+2113, U+2C60-2C7F, U+A720-A7FF;
+}
+
+/* latin */
+@font-face {
+  font-family: "Roboto";
+  font-style: normal;
+  font-weight: 500;
+  src: url(latin-500.woff2) format("woff2");
+  unicode-range: U+0000-00FF, U+0131, U+0152-0153, U+02BB-02BC, U+02C6, U+02DA,
+    U+02DC, U+2000-206F, U+2074, U+20AC, U+2122, U+2191, U+2193, U+2212, U+2215,
+    U+FEFF, U+FFFD;
+}
+
+/* cyrillic-ext */
+@font-face {
+  font-family: "Roboto";
+  font-style: normal;
+  font-weight: 700;
+  src: url(cyrillic-ext-700.woff2) format("woff2");
+  unicode-range: U+0460-052F, U+1C80-1C88, U+20B4, U+2DE0-2DFF, U+A640-A69F,
+    U+FE2E-FE2F;
+}
+
+/* cyrillic */
+@font-face {
+  font-family: "Roboto";
+  font-style: normal;
+  font-weight: 700;
+  src: url(https://fonts.gstatic.com/s/roboto/v20/KFOlCnqEu92Fr1MmWUlfABc4AMP6lbBP.woff2)
+    format("woff2");
+  unicode-range: U+0400-045F, U+0490-0491, U+04B0-04B1, U+2116;
+}
+
+/* greek-ext */
+@font-face {
+  font-family: "Roboto";
+  font-style: normal;
+  font-weight: 700;
+  src: url(greek-ext-700.woff2) format("woff2");
+  unicode-range: U+1F00-1FFF;
+}
+
+/* greek */
+@font-face {
+  font-family: "Roboto";
+  font-style: normal;
+  font-weight: 700;
+  src: url(greek-700.woff2) format("woff2");
+  unicode-range: U+0370-03FF;
+}
+
+/* vietnamese */
+@font-face {
+  font-family: "Roboto";
+  font-style: normal;
+  font-weight: 700;
+  src: url(vietnamese-700.woff2) format("woff2");
+  unicode-range: U+0102-0103, U+0110-0111, U+0128-0129, U+0168-0169, U+01A0-01A1,
+    U+01AF-01B0, U+1EA0-1EF9, U+20AB;
+}
+
+/* latin-ext */
+@font-face {
+  font-family: "Roboto";
+  font-style: normal;
+  font-weight: 700;
+  src: url(latin-ext-700.woff2) format("woff2");
+  unicode-range: U+0100-024F, U+0259, U+1E00-1EFF, U+2020, U+20A0-20AB,
+    U+20AD-20CF, U+2113, U+2C60-2C7F, U+A720-A7FF;
+}
+
+/* latin */
+@font-face {
+  font-family: "Roboto";
+  font-style: normal;
+  font-weight: 700;
+  src: url(latin-700.woff2) format("woff2");
+  unicode-range: U+0000-00FF, U+0131, U+0152-0153, U+02BB-02BC, U+02C6, U+02DA,
+    U+02DC, U+2000-206F, U+2074, U+20AC, U+2122, U+2191, U+2193, U+2212, U+2215,
+    U+FEFF, U+FFFD;
+}
+
+/* cyrillic-ext */
+@font-face {
+  font-family: "Roboto";
+  font-style: normal;
+  font-weight: 900;
+  src: url(cyrillic-ext-900.woff2) format("woff2");
+  unicode-range: U+0460-052F, U+1C80-1C88, U+20B4, U+2DE0-2DFF, U+A640-A69F,
+    U+FE2E-FE2F;
+}
+
+/* cyrillic */
+@font-face {
+  font-family: "Roboto";
+  font-style: normal;
+  font-weight: 900;
+  src: url(cyrillic-900.woff2) format("woff2");
+  unicode-range: U+0400-045F, U+0490-0491, U+04B0-04B1, U+2116;
+}
+
+/* greek-ext */
+@font-face {
+  font-family: "Roboto";
+  font-style: normal;
+  font-weight: 900;
+  src: url(greek-ext-900.woff2) format("woff2");
+  unicode-range: U+1F00-1FFF;
+}
+
+/* greek */
+@font-face {
+  font-family: "Roboto";
+  font-style: normal;
+  font-weight: 900;
+  src: url(greek-900.woff2) format("woff2");
+  unicode-range: U+0370-03FF;
+}
+
+/* vietnamese */
+@font-face {
+  font-family: "Roboto";
+  font-style: normal;
+  font-weight: 900;
+  src: url(vietnamese-900.woff2) format("woff2");
+  unicode-range: U+0102-0103, U+0110-0111, U+0128-0129, U+0168-0169, U+01A0-01A1,
+    U+01AF-01B0, U+1EA0-1EF9, U+20AB;
+}
+
+/* latin-ext */
+@font-face {
+  font-family: "Roboto";
+  font-style: normal;
+  font-weight: 900;
+  src: url(latin-ext-900.woff2) format("woff2");
+  unicode-range: U+0100-024F, U+0259, U+1E00-1EFF, U+2020, U+20A0-20AB,
+    U+20AD-20CF, U+2113, U+2C60-2C7F, U+A720-A7FF;
+}
+
+/* latin */
+@font-face {
+  font-family: "Roboto";
+  font-style: normal;
+  font-weight: 900;
+  src: url(latin-900.woff2) format("woff2");
+  unicode-range: U+0000-00FF, U+0131, U+0152-0153, U+02BB-02BC, U+02C6, U+02DA,
+    U+02DC, U+2000-206F, U+2074, U+20AC, U+2122, U+2191, U+2193, U+2212, U+2215,
+    U+FEFF, U+FFFD;
+}

public/index.html

@@ -25,18 +25,8 @@
       href="%PUBLIC_URL%/icon/safari-pinned-tab.svg"
       color="#5bbad5"
     />
-    <link
-      href="https://fonts.googleapis.com/css2?family=Work+Sans:wght@300;400;700&display=swap"
-      rel="stylesheet"
-    />
-    <link
-      href="https://fonts.googleapis.com/css?family=Roboto:400,500,700,900"
-      rel="stylesheet"
-    />
-    <link
-      href="https://fonts.googleapis.com/icon?family=Material+Icons"
-      rel="stylesheet"
-    />
+    <link href="%PUBLIC_URL%/fonts/roboto/roboto.css" rel="stylesheet" />
+    <link href="%PUBLIC_URL%/fonts/icons/icons.css" rel="stylesheet" />
     <title>Dashboard</title>
   </head>
   <body>

src/app.tsx

@@ -1,5 +1,5 @@
-import React from "react";
-import styled, { createGlobalStyle } from "styled-components";
+import React, { useEffect } from "react";
+import { createGlobalStyle } from "styled-components";
 
 import SearchBar from "./components/searchBar";
 import Greeter from "./components/greeter";
@@ -9,6 +9,13 @@ import Settings from "./components/settings";
 import Imprint from "./components/imprint";
 
 import selectedTheme from "./components/themeManager";
+import {
+  useAppData,
+  useSearchProviderData,
+  useBookmarkData,
+  useThemeData,
+  useImprintData,
+} from "./components/fetch";
 
 const GlobalStyle = createGlobalStyle`
   body {
@@ -22,24 +29,37 @@ const GlobalStyle = createGlobalStyle`
     @media (min-width: 1366px) {
       max-width: 70%;
     }
-
   }
 `;
 
-const AppContainer = styled.div``;
+const App = () => {
+  const { appData } = useAppData();
+  const { searchProviderData } = useSearchProviderData();
+  const { bookmarkData } = useBookmarkData();
+  const { themeData } = useThemeData();
+  const { imprintData } = useImprintData();
 
-const App = () => (
+  return (
     <>
       <GlobalStyle />
-    <AppContainer>
-      <SearchBar />
-      <Settings />
+      <div>
+        <SearchBar providers={searchProviderData?.providers} />
+        {!themeData.error && !searchProviderData.error && (
+          <Settings
+            themes={themeData?.themes}
+            providers={searchProviderData?.providers}
+          />
+        )}
+
         <Greeter />
-      <AppList />
-      <BookmarkList />
-      <Imprint />
-    </AppContainer>
+        {!appData.error && (
+          <AppList apps={appData.apps} categories={appData.categories} />
+        )}
+        {!bookmarkData.error && <BookmarkList groups={bookmarkData.groups} />}
+        {!imprintData.error && <Imprint imprint={imprintData.imprint} />}
+      </div>
     </>
-);
+  );
+};
 
 export default App;

src/components/appCategory.tsx

@@ -11,7 +11,7 @@ const CategoryContainer = styled.div`
   width: 100%;
 `;
 
-interface IAppCategoryProps {
+export interface IAppCategoryProps {
   name: string;
   items: Array<IAppProps>;
 }

src/components/appList.tsx

@@ -1,47 +1,18 @@
-import React, { useCallback, useEffect, useState } from "react";
-import { AppCategory } from "./appCategory";
+import React from "react";
+import { AppCategory, IAppCategoryProps } from "./appCategory";
+import { IAppProps } from "./app";
 
-import {
-  handleResponse,
-  Headline,
-  ListContainer,
-  ErrorMessage,
-} from "./elements";
+import { Headline, ListContainer } from "./elements";
 
-const useAppData = () => {
-  const [appData, setAppData] = useState({
-    categories: [],
-    apps: [],
-    error: false,
-  });
-  const fetchAppData = useCallback(() => {
-    (process.env.NODE_ENV === "production"
-      ? fetch("/data/apps.json").then(handleResponse)
-      : import("./data/apps.json")
-    )
-      .then((jsonResponse) => {
-        setAppData({ ...jsonResponse, error: false });
-      })
-      .catch((error) => {
-        setAppData({ categories: [], apps: [], error: error.message });
-      });
-  }, []);
-
-  useEffect(() => {
-    fetchAppData();
-  }, [fetchAppData]);
-  return { appData, fetchAppData };
-};
-
-const AppList = () => {
-  const {
-    appData: { categories, apps, error },
-  } = useAppData();
+export interface IAppListProps {
+  categories: Array<IAppCategoryProps>;
+  apps: Array<IAppProps>;
+}
 
+const AppList = ({ categories, apps }: IAppListProps) => {
   return (
     <ListContainer>
       <Headline>Applications</Headline>
-      {error && <ErrorMessage>{error}</ErrorMessage>}
       {categories &&
         categories.map(({ name, items }, idx) => (
           <AppCategory key={[name, idx].join("")} name={name} items={items} />

src/components/bookmarkGroup.tsx

@@ -22,19 +22,19 @@ const Bookmark = styled.a`
   }
 `;
 
-interface IBookmarkProps {
+export interface IBookmarkProps {
   name: string;
   url: string;
 }
 
-interface IBookmarkGroupProps {
+export interface IBookmarkGroupProps {
   name: string;
-  items: [IBookmarkProps];
+  items: Array<IBookmarkProps>;
 }
 
 export const BookmarkGroup = ({
   name: groupName,
-  items
+  items,
 }: IBookmarkGroupProps) => (
   <Item>
     <GroupContainer>

src/components/bookmarkList.tsx

@@ -1,55 +1,20 @@
-import React, { useCallback, useEffect, useState } from 'react';
+import React from "react";
 
-import {
-    handleResponse,
-    Headline,
-    ListContainer,
-    ItemList,
-    ErrorMessage,
-} from './elements';
+import { Headline, ListContainer, ItemList } from "./elements";
 
-import { BookmarkGroup } from './bookmarkGroup';
+import { BookmarkGroup, IBookmarkGroupProps } from "./bookmarkGroup";
 
-const useBookmarkData = () => {
-    const [bookmarkData, setBookmarkData] = useState({
-        groups: [],
-        error: false,
-    });
+interface IBookmarkListProps {
+  groups: Array<IBookmarkGroupProps>;
+}
 
-    const fetchBookmarkData = useCallback(() => {
-        (process.env.NODE_ENV === 'production'
-            ? fetch('/data/bookmarks.json').then(handleResponse)
-            : import('./data/bookmarks.json')
-        )
-            .then((jsonResponse) => {
-                setBookmarkData({ ...jsonResponse, error: false });
-            })
-            .catch((error) => {
-                setBookmarkData({ groups: [], error: error.message });
-            });
-    }, []);
-
-    useEffect(() => {
-        fetchBookmarkData();
-    }, [fetchBookmarkData]);
-    return { bookmarkData, fetchBookmarkData };
-};
-
-const BookmarkList = () => {
-    const {
-        bookmarkData: { groups, error },
-    } = useBookmarkData();
+const BookmarkList = ({ groups }: IBookmarkListProps) => {
   return (
     <ListContainer>
       <Headline>Bookmarks</Headline>
-            {error && <ErrorMessage>{error}</ErrorMessage>}
       <ItemList>
         {groups.map(({ name, items }, idx) => (
-                    <BookmarkGroup
-                        key={[name, idx].join('')}
-                        name={name}
-                        items={items}
-                    />
+          <BookmarkGroup key={[name, idx].join("")} name={name} items={items} />
         ))}
       </ItemList>
     </ListContainer>

src/components/data/imprint.json

@@ -1,4 +1,5 @@
 {
+  "imprint": {
     "name": {
       "text": "John Doe",
       "link": "#"
@@ -19,4 +20,5 @@
       "text": "example.com",
       "link": "#"
     }
+  }
 }

src/components/elements.tsx

@@ -5,13 +5,6 @@ import Icon from "./icon";
 
 // File for elements that are/can be reused across the entire site.
 
-export const handleResponse = (response: any) => {
-  if (response.ok) {
-    return response.json();
-  }
-  throw new Error("Failed to load data.");
-};
-
 export const ListContainer = styled.div`
   padding: 2rem 0;
 `;

src/components/fetch.tsx

@@ -0,0 +1,193 @@
+import { useCallback, useEffect, useState } from "react";
+import { ISearchProviderProps } from "./searchBar";
+import { IBookmarkGroupProps } from "./bookmarkGroup";
+import { IAppCategoryProps } from "./appCategory";
+import { IAppProps } from "./app";
+import { IThemeProps } from "./themeManager";
+import { IImprintProps } from "./imprint";
+
+const errorMessage = "Failed to load data.";
+
+const handleResponse = (response: any) => {
+  if (response.ok) return response.json();
+  throw new Error(errorMessage);
+};
+
+// SECTION: Search Provider
+
+export interface ISearchProviderDataProps {
+  providers: Array<ISearchProviderProps>;
+  error: string | boolean;
+}
+
+export const useSearchProviderData = () => {
+  const [
+    searchProviderData,
+    setSearchProviderData,
+  ] = useState<ISearchProviderDataProps>({ providers: [], error: false });
+
+  const fetchSearchProviderData = useCallback(() => {
+    (process.env.NODE_ENV === "production"
+      ? fetch("/data/search.json").then(handleResponse)
+      : import("./data/search.json")
+    )
+      .then((jsonResponse) => {
+        setSearchProviderData({ ...jsonResponse, error: false });
+      })
+      .catch((error) => {
+        setSearchProviderData({ providers: [], error: error.message });
+      });
+  }, []);
+
+  useEffect(() => {
+    fetchSearchProviderData();
+  }, [fetchSearchProviderData]);
+
+  return { searchProviderData, fetchSearchProviderData };
+};
+
+// SECTION: Bookmark data
+
+export interface IBookmarkDataProps {
+  groups: Array<IBookmarkGroupProps>;
+  error: string | boolean;
+}
+
+export const useBookmarkData = () => {
+  const [bookmarkData, setBookmarkData] = useState<IBookmarkDataProps>({
+    groups: [],
+    error: false,
+  });
+
+  const fetchBookmarkData = useCallback(() => {
+    (process.env.NODE_ENV === "production"
+      ? fetch("/data/bookmarks.json").then(handleResponse)
+      : import("./data/bookmarks.json")
+    )
+      .then((jsonResponse) => {
+        setBookmarkData({ ...jsonResponse, error: false });
+      })
+      .catch((error) => {
+        setBookmarkData({ groups: [], error: error.message });
+      });
+  }, []);
+
+  useEffect(() => {
+    fetchBookmarkData();
+  }, [fetchBookmarkData]);
+
+  return { bookmarkData, fetchBookmarkData };
+};
+
+// SECTION: App data
+
+export interface IAppDataProps {
+  categories: Array<IAppCategoryProps>;
+  apps: Array<IAppProps>;
+  error: string | boolean;
+}
+
+export const useAppData = () => {
+  const [appData, setAppData] = useState({
+    categories: [],
+    apps: [],
+    error: false,
+  });
+
+  const fetchAppData = useCallback(() => {
+    (process.env.NODE_ENV === "production"
+      ? fetch("/data/apps.json").then(handleResponse)
+      : import("./data/apps.json")
+    )
+      .then((jsonResponse) => {
+        setAppData({ ...jsonResponse, error: false });
+      })
+      .catch((error) => {
+        setAppData({ categories: [], apps: [], error: error.message });
+      });
+  }, []);
+
+  useEffect(() => {
+    fetchAppData();
+  }, [fetchAppData]);
+  return { appData, fetchAppData };
+};
+
+// Section: Theme Data
+
+export interface IThemeDataProps {
+  themes: Array<IThemeProps>;
+  error: string | boolean;
+}
+
+export const useThemeData = () => {
+  const [themeData, setThemeData] = useState<IThemeDataProps>({
+    themes: [],
+    error: false,
+  });
+
+  const fetchThemeData = useCallback(() => {
+    (process.env.NODE_ENV === "production"
+      ? fetch("/data/themes.json").then(handleResponse)
+      : import("./data/themes.json")
+    )
+      .then((jsonResponse) => {
+        setThemeData({ ...jsonResponse, error: false });
+      })
+      .catch((error) => {
+        setThemeData({ themes: [], error: error.message });
+      });
+  }, []);
+
+  useEffect(() => {
+    fetchThemeData();
+  }, [fetchThemeData]);
+  return { themeData, fetchThemeData };
+};
+
+// SECTION: Imprint Data
+
+export interface IImprintDataProps {
+  imprint: IImprintProps;
+  error: string | boolean;
+}
+
+export const useImprintData = () => {
+  const [imprintData, setImprintData] = useState<IImprintDataProps>({
+    imprint: {
+      name: { text: "", link: "" },
+      address: { text: "", link: "" },
+      phone: { text: "", link: "" },
+      email: { text: "", link: "" },
+      url: { text: "", link: "" },
+    },
+    error: false,
+  });
+
+  const fetchImprintData = useCallback(() => {
+    (process.env.NODE_ENV === "production"
+      ? fetch("/data/imprint.json").then(handleResponse)
+      : import("./data/imprint.json")
+    )
+      .then((jsonResponse: any) => {
+        setImprintData({ ...jsonResponse, error: false });
+      })
+      .catch((error: any) => {
+        setImprintData({
+          imprint: {
+            name: { text: "", link: "" },
+            address: { text: "", link: "" },
+            phone: { text: "", link: "" },
+            email: { text: "", link: "" },
+            url: { text: "", link: "" },
+          },
+          error: error.message,
+        });
+      });
+  }, []);
+
+  useEffect(() => {
+    fetchImprintData();
+  }, [fetchImprintData]);
+  return { imprintData, fetchImprintData };
+};

src/components/imprint.tsx

@@ -1,10 +1,8 @@
-import React, { useCallback, useEffect, useState } from "react";
+import React from "react";
 import Modal from "./modal";
 import styled from "styled-components";
 import selectedTheme from "./themeManager";
 import {
-  handleResponse,
-  ErrorMessage,
   ListContainer,
   ItemList,
   Headline as Hl,
@@ -47,60 +45,33 @@ const ItemContainer = styled.div`
   padding: 1rem 0;
 `;
 
-const useImprintData = () => {
-  const [imprintData, setImprintData] = useState({
-    name: { text: "", link: "" },
-    address: { text: "", link: "" },
-    phone: { text: "", link: "" },
-    email: { text: "", link: "" },
-    url: { text: "", link: "" },
-    error: false,
-  });
-  const fetchImprintData = useCallback(() => {
-    (process.env.NODE_ENV === "production"
-      ? fetch("/data/imprint.json").then(handleResponse)
-      : import("./data/imprint.json")
-    )
-      .then((jsonResponse: any) => {
-        setImprintData({ ...jsonResponse, error: false });
-      })
-      .catch((error: any) => {
-        setImprintData({
-          name: { text: "", link: "" },
-          address: { text: "", link: "" },
-          phone: { text: "", link: "" },
-          email: { text: "", link: "" },
-          url: { text: "", link: "" },
-          error: error.message,
-        });
-      });
-  }, []);
+interface IImprintFieldProps {
+  text: string;
+  link: string;
+}
 
-  useEffect(() => {
-    fetchImprintData();
-  }, [fetchImprintData]);
-  return { imprintData, fetchImprintData };
-};
+export interface IImprintProps {
+  name: IImprintFieldProps;
+  address: IImprintFieldProps;
+  phone: IImprintFieldProps;
+  email: IImprintFieldProps;
+  url: IImprintFieldProps;
+}
 
-const onClose = () => {
-  if (window.location.href.endsWith("#imprint")) {
-    let location = window.location.href.replace("#imprint", "");
-    window.location.href = location;
-  }
-};
+interface IImprintFieldComponentProps {
+  field: IImprintFieldProps;
+}
 
-const Imprint = () => {
-  const {
-    imprintData: { name, address, phone, email, url, error },
-  } = useImprintData();
+const ImprintField = ({ field }: IImprintFieldComponentProps) => (
+  <Link href={field.link}>{field.text}</Link>
+);
 
-  useEffect(() => {
-    console.error(error);
-  }, [error]);
+interface IImprintComponentProps {
+  imprint: IImprintProps;
+}
 
-  return (
+const Imprint = ({ imprint }: IImprintComponentProps) => (
   <>
-      {!error ? (
     <ListContainer>
       <Hl>About</Hl>
       <ItemList>
@@ -110,64 +81,61 @@ const Imprint = () => {
             element="text"
             text="View Imprint"
             condition={!window.location.href.endsWith("#imprint")}
-                onClose={() => onClose()}
+            onClose={() => {
+              if (window.location.href.endsWith("#imprint")) {
+                let location = window.location.href.replace("#imprint", "");
+                window.location.href = location;
+              }
+            }}
           >
             <Headline>Legal Disclosure</Headline>
-                {error && <ErrorMessage>{error}</ErrorMessage>}
             <ModalSubHeadline>
               Information in accordance with section 5 TMG
             </ModalSubHeadline>
-                {!error && (
             <>
-                    <Link href={name.link}>{name.text}</Link>
-                    <Link href={address.link}>{address.text}</Link>
-                    <Link href={phone.link}>{phone.text}</Link>
-                    <Link href={email.link}>{email.text}</Link>
-                    <Link href={url.link}>{url.text}</Link>
+              {imprint.name && <ImprintField field={imprint.name} />}
+              {imprint.address && <ImprintField field={imprint.address} />}
+              {imprint.email && <ImprintField field={imprint.email} />}
+              {imprint.phone && <ImprintField field={imprint.phone} />}
+              {imprint.url && <ImprintField field={imprint.url} />}
             </>
-                )}
             <Headline>Disclaimer</Headline>
             <ModalSubHeadline>Accountability for content</ModalSubHeadline>
             <Text>
-                  The contents of our pages have been created with the utmost
-                  care. However, we cannot guarantee the contents' accuracy,
-                  completeness or topicality. According to statutory provisions,
-                  we are furthermore responsible for our own content on these
-                  web pages. In this matter, please note that we are not obliged
-                  to monitor the transmitted or saved information of third
-                  parties, or investigate circumstances pointing to illegal
-                  activity. Our obligations to remove or block the use of
-                  information under generally applicable laws remain unaffected
-                  by this as per §§ 8 to 10 of the Telemedia Act (TMG).
+              The contents of our pages have been created with the utmost care.
+              However, we cannot guarantee the contents' accuracy, completeness
+              or topicality. According to statutory provisions, we are
+              furthermore responsible for our own content on these web pages. In
+              this matter, please note that we are not obliged to monitor the
+              transmitted or saved information of third parties, or investigate
+              circumstances pointing to illegal activity. Our obligations to
+              remove or block the use of information under generally applicable
+              laws remain unaffected by this as per §§ 8 to 10 of the Telemedia
+              Act (TMG).
             </Text>
             <ModalSubHeadline>Accountability for links</ModalSubHeadline>
             <Text>
-                  Responsibility for the content of external links (to web pages
-                  of third parties) lies solely with the operators of the linked
-                  pages. No violations were evident to us at the time of
-                  linking. Should any legal infringement become known to us, we
-                  will remove the respective link immediately.
+              Responsibility for the content of external links (to web pages of
+              third parties) lies solely with the operators of the linked pages.
+              No violations were evident to us at the time of linking. Should
+              any legal infringement become known to us, we will remove the
+              respective link immediately.
             </Text>
             <ModalSubHeadline>Copyright</ModalSubHeadline>
             <Text>
-                  Our web pages and their contents are subject to German
-                  copyright law. Unless expressly permitted by law, every form
-                  of utilizing, reproducing or processing works subject to
-                  copyright protection on our web pages requires the prior
-                  consent of the respective owner of the rights. Individual
-                  reproductions of a work are only allowed for private use. The
-                  materials from these pages are copyrighted and any
-                  unauthorized use may violate copyright laws.
+              Our web pages and their contents are subject to German copyright
+              law. Unless expressly permitted by law, every form of utilizing,
+              reproducing or processing works subject to copyright protection on
+              our web pages requires the prior consent of the respective owner
+              of the rights. Individual reproductions of a work are only allowed
+              for private use. The materials from these pages are copyrighted
+              and any unauthorized use may violate copyright laws.
             </Text>
           </Modal>
         </ItemContainer>
       </ItemList>
     </ListContainer>
-      ) : (
-        <></>
-      )}
   </>
-  );
-};
+);
 
 export default Imprint;

src/components/searchBar.tsx

@@ -1,8 +1,6 @@
-import React, { useCallback, useEffect, useState } from "react";
+import React, { useState } from "react";
 import styled from "styled-components";
 
-import { handleResponse, ErrorMessage } from "./elements";
-
 import selectedTheme from "./themeManager";
 
 const SearchInput = styled.input`
@@ -15,36 +13,17 @@ const SearchInput = styled.input`
   color: ${selectedTheme.mainColor};
 `;
 
-const useSearchProviders = () => {
-  const [searchProviders, setSearchProviders] = useState({
-    providers: [{ prefix: "", url: "" }],
-    error: false,
-  });
+export interface ISearchProviderProps {
+  name: string;
+  url: string;
+  prefix: string;
+}
 
-  const fetchSearchProviders = useCallback(() => {
-    (process.env.NODE_ENV === "production"
-      ? fetch("/data/search.json").then(handleResponse)
-      : import("./data/search.json")
-    )
-      .then((jsonResponse) => {
-        setSearchProviders({ ...jsonResponse, error: false });
-      })
-      .catch((error) => {
-        setSearchProviders({ providers: [], error: error.message });
-      });
-  }, []);
-
-  useEffect(() => {
-    fetchSearchProviders();
-  }, [fetchSearchProviders]);
-  return { searchProviders, fetchSearchProviders };
-};
-
-const SearchBar = () => {
-  const {
-    searchProviders: { providers, error },
-  } = useSearchProviders();
+interface ISearchBarProps {
+  providers: Array<ISearchProviderProps> | undefined;
+}
 
+const SearchBar = ({ providers }: ISearchBarProps) => {
   let [input, setInput] = useState("");
 
   const handleSearchQuery = (e: React.FormEvent) => {
@@ -67,12 +46,14 @@ const SearchBar = () => {
     let searchQuery = queryArray.join(" ");
 
     let providerFound = false;
-    providers.forEach((provider) => {
+    if (providers) {
+      providers.forEach((provider: ISearchProviderProps) => {
         if (provider.prefix === prefix) {
           providerFound = true;
           window.location.href = provider.url + searchQuery;
         }
       });
+    }
 
     if (!providerFound)
       window.location.href = "https://google.com/search?q=" + query;
@@ -80,7 +61,6 @@ const SearchBar = () => {
 
   return (
     <form onSubmit={(e) => handleSearchQuery(e)}>
-      {error && <ErrorMessage>{error}</ErrorMessage>}
       <SearchInput
         type="text"
         onChange={(e) => setInput(e.target.value)}

src/components/settings.tsx

@@ -1,17 +1,11 @@
-import React, { useCallback, useEffect, useState } from "react";
+import React, { useState } from "react";
 import styled from "styled-components";
 
 import Select from "react-select";
 
-import searchData from "./data/search.json";
-
-import selectedTheme, { setTheme } from "./themeManager";
-import {
-  handleResponse,
-  Button,
-  ErrorMessage,
-  Headline as hl,
-} from "./elements";
+import { ISearchProviderProps } from "./searchBar";
+import selectedTheme, { setTheme, IThemeProps } from "./themeManager";
+import { Button, Headline as hl } from "./elements";
 
 import Modal from "./modal";
 
@@ -91,42 +85,18 @@ const SelectorStyle = {
   },
 };
 
-const useThemeData = () => {
-  const [themeData, setThemeData] = useState({ themes: [], error: false });
+interface ISettingsProps {
+  themes: Array<IThemeProps> | undefined;
+  providers: Array<ISearchProviderProps> | undefined;
+}
 
-  const fetchThemeData = useCallback(() => {
-    (process.env.NODE_ENV === "production"
-      ? fetch("/data/themes.json").then(handleResponse)
-      : import("./data/themes.json")
-    )
-      .then((jsonResponse) => {
-        setThemeData({ ...jsonResponse, error: false });
-      })
-      .catch((error) => {
-        setThemeData({ themes: [], error: error.message });
-      });
-  }, []);
-
-  useEffect(() => {
-    fetchThemeData();
-  }, [fetchThemeData]);
-  return { themeData, fetchThemeData };
-};
-
-const Settings = () => {
+const Settings = ({ themes, providers }: ISettingsProps) => {
   const [newTheme, setNewTheme] = useState();
 
-  const {
-    themeData: { themes, error },
-  } = useThemeData();
-
-  useEffect(() => {
-    console.log(newTheme);
-  }, [newTheme]);
-
+  if (themes && providers) {
     return (
       <Modal element="icon" icon="settings">
-      {error && <ErrorMessage>{error}</ErrorMessage>}
+        {themes && (
           <SelectContainer>
             <Headline>Theme:</Headline>
             <FormContainer>
@@ -145,13 +115,15 @@ const Settings = () => {
               <Button onClick={() => window.location.reload()}>Refresh</Button>
             </FormContainer>
           </SelectContainer>
+        )}
+        {providers && (
           <Table>
             <tbody>
               <TableRow>
                 <HeadCell>Search Provider</HeadCell>
                 <HeadCell>Prefix</HeadCell>
               </TableRow>
-          {searchData.providers.map((provider, index) => (
+              {providers.map((provider, index) => (
                 <TableRow key={provider.name + index}>
                   <TableCell>{provider.name}</TableCell>
                   <TableCell>{provider.prefix}</TableCell>
@@ -159,8 +131,12 @@ const Settings = () => {
               ))}
             </tbody>
           </Table>
+        )}
       </Modal>
     );
+  } else {
+    return <></>;
+  }
 };
 
 export default Settings;

src/components/themeManager.tsx

@@ -1,4 +1,4 @@
-interface IThemeProps {
+export interface IThemeProps {
   label: string;
   value: number;
   mainColor: string;