Added tests

.circleci/config.yml

@@ -0,0 +1,57 @@
+version: 2.1
+
+commands:
+  install_dependencies:
+    description: "Installs dependencies and uses CircleCI's cache"
+    steps:
+      - checkout
+      - restore_cache:
+          keys:
+            - dependencies-{{ checksum "yarn.lock" }}
+            - dependencies-
+      - run:
+          command: |
+            yarn install
+      - save_cache:
+          paths:
+            - node_modules
+          key: dependencies-{{ checksum "yarn.lock" }}
+
+jobs:
+  style:
+    docker:
+      - image: node:latest
+    steps:
+      - install_dependencies
+      - run:
+          name: prettier
+          command: |
+            yarn prettier --check
+      - run:
+          name: lint
+          command: |
+            yarn lint
+
+  frontend:
+    docker:
+      - image: node:latest
+    steps:
+      - install_dependencies
+      - run:
+          name: typecheck
+          command: |
+            yarn typecheck
+      - run:
+          name: test
+          command: |
+            yarn test
+      - run:
+          name: coverage
+          command: |
+            yarn coverage
+
+workflows:
+  version: 2
+  tilt:
+    jobs:
+      - style

.eslintrc.js

@@ -0,0 +1,34 @@
+module.exports = {
+  extends: ["eslint:recommended", "plugin:react-hooks/recommended"],
+  rules: {
+    orderedImports: true,
+    completedDocs: [
+      true,
+      {
+        enums: true,
+        functions: {
+          visibilities: ["exported"],
+        },
+        interfaces: {
+          visibilities: ["exported"],
+        },
+        methods: {
+          tags: {
+            content: {},
+            existence: ["inheritdoc", "override"],
+          },
+        },
+        types: {
+          visibilities: ["exported"],
+        },
+        variables: {
+          visibilities: ["exported"],
+        },
+      },
+    ],
+    maxClassesPerFile: false,
+    maxLineLength: false,
+    memberOrdering: false,
+    variableName: false,
+  },
+};

.gitignore

@@ -7,6 +7,7 @@
 
 # testing
 /coverage
+__snapshots__
 
 # building
 /build
@@ -21,3 +22,5 @@
 npm-debug.log*
 yarn-debug.log*
 yarn-error.log*
+
+

.prettierrc.js

@@ -0,0 +1,21 @@
+module.exports = {
+  bracketSpacing: true,
+  printWidth: 80,
+  parser: "typescript",
+  trailingComma: "all",
+  arrowParens: "always",
+  overrides: [
+    {
+      files: "README.md",
+      options: {
+        parser: "markdown",
+      },
+    },
+    {
+      files: "*.json",
+      options: {
+        parser: "json",
+      }
+    }
+  ],
+};

codecov.yml

@@ -0,0 +1,16 @@
+coverage:
+  status:
+    project:
+      default: off
+      dashboard:
+        target: 80%
+        flags: dashboard
+
+flags:
+  dashboard:
+    paths:
+      - src/
+      - data/
+
+ignore:
+  - node_modules

package.json

@@ -8,14 +8,13 @@
   ],
   "private": false,
   "dependencies": {
-    "@testing-library/jest-dom": "^5.11.10",
-    "@testing-library/react": "^11.2.5",
-    "@testing-library/user-event": "^13.0.6",
-    "@types/jest": "^26.0.22",
     "@types/node": "^14.14.37",
     "@types/react-dom": "^17.0.3",
     "@types/react-select": "^4.0.13",
     "@types/styled-components": "^5.1.9",
+    "browserslist": "^4.16.6",
+    "http-server": "^0.12.3",
+    "npm-run-all": "^4.1.5",
     "react": "^17.0.2",
     "react-dom": "^17.0.2",
     "react-scripts": "^4.0.3",
@@ -23,11 +22,28 @@
     "styled-components": "^5.2.1",
     "typescript": "^4.2.3"
   },
+  "devDependencies": {
+    "@testing-library/jest-dom": "^5.11.10",
+    "@testing-library/react": "^11.2.7",
+    "@testing-library/user-event": "^13.0.6",
+    "@types/jest": "^26.0.22",
+    "codecov": "^3.8.2",
+    "eslint": "^7.28.0",
+    "eslint-plugin-react-hooks": "^4.2.0",
+    "prettier": "^2.3.1"
+  },
   "scripts": {
     "start": "react-scripts start",
     "build": "react-scripts build",
+    "coverage": "codecov -f coverage/*.json -F dashboard",
     "test": "react-scripts test",
-    "eject": "react-scripts eject"
+    "typecheck": "tsc --noEmit",
+    "eject": "react-scripts eject",
+    "lint": "eslint --config .eslintrc.js",
+    "prettier": "prettier --config .prettierrc.js '{data,src}/**/*.{json,ts,tsx}'",
+    "http-server:data": "http-server ./ -c-1",
+    "http-server:app": "http-server ./build --proxy http://localhost:8080 --port 3000",
+    "serve:production": "npm-run-all --parallel http-server:data http-server:app"
   },
   "eslintConfig": {
     "extends": "react-app"

src/app.tsx

@@ -3,7 +3,7 @@ import { createGlobalStyle } from "styled-components";
 import SearchBar from "./components/searchBar";
 import Greeter from "./components/greeter";
 import AppList from "./components/appList";
-import BookmarkList from "./components/bookmarkList";
+import BookmarkList from "./components/bookmarks";
 import Settings from "./components/settings";
 import Imprint from "./components/imprint";
 
@@ -29,15 +29,21 @@ const GlobalStyle = createGlobalStyle`
  * Renders the entire app by calling individual components
  */
 const App = () => {
-
+  const {
-  const { appData, bookmarkData, searchProviderData, themeData, imprintData, greeterData } = useFetcher();
+    appData,
+    bookmarkData,
+    searchProviderData,
+    themeData,
+    imprintData,
+    greeterData,
+  } = useFetcher();
 
   return (
     <>
       <GlobalStyle />
       <div>
         <SearchBar providers={searchProviderData?.providers} />
-        {!themeData.error && !searchProviderData.error && (
+        {(!themeData.error || !searchProviderData.error) && (
           <Settings
             themes={themeData?.themes}
             providers={searchProviderData?.providers}

src/components/app.tsx

@@ -1,4 +1,4 @@
-import React, { useEffect } from "react";
+import { useEffect } from "react";
 import Icon from "./icon";
 import styled from "styled-components";
 import selectedTheme from "../lib/theme";
@@ -51,16 +51,17 @@ export interface IAppProps {
 
 /**
  * Renders a single app shortcut
- * @param {IAppProps} props - The props of the given app
+ * @param {IAppProps} props the props of the given app
+ * @returns {React.ReactNode} the child node for the given app
  */
-export const App = ({ name, icon, url, displayURL, newTab }: IAppProps) => {
+const App = ({ name, icon, url, displayURL, newTab }: IAppProps) => {
-
+  const linkAttrs =
-  useEffect(() => { console.log(newTab) }, [newTab])
+    newTab !== undefined && newTab
-
+      ? {
-  const linkAttrs = (newTab !== undefined && newTab) ? {
+          target: "_blank",
-    target: '_blank',
+          rel: "noopener noreferrer",
-    rel: 'noopener noreferrer',
+        }
-  } : {};
+      : {};
 
   return (
     <AppContainer href={url} {...linkAttrs}>
@@ -73,4 +74,6 @@ export const App = ({ name, icon, url, displayURL, newTab }: IAppProps) => {
       </DetailsContainer>
     </AppContainer>
   );
-}
+};
+
+export default App;

src/components/appCategory.tsx

@@ -1,6 +1,5 @@
-import React from "react";
 import styled from "styled-components";
-import { App, IAppProps } from "./app";
+import App, { IAppProps } from "./app";
 import { ItemList, Item, SubHeadline } from "./elements";
 
 const CategoryHeadline = styled(SubHeadline)`
@@ -18,9 +17,10 @@ export interface IAppCategoryProps {
 
 /**
  * Renders one app category
- * @param {IAppCategoryProps} props - The props of the given category
+ * @param {IAppCategoryProps} props props of the given category
+ * @returns {React.ReactNode} the app category node
  */
-export const AppCategory = ({ name, items }: IAppCategoryProps) => (
+const AppCategory = ({ name, items }: IAppCategoryProps) => (
   <CategoryContainer>
     {name && <CategoryHeadline>{name}</CategoryHeadline>}
     <ItemList>
@@ -38,3 +38,5 @@ export const AppCategory = ({ name, items }: IAppCategoryProps) => (
     </ItemList>
   </CategoryContainer>
 );
+
+export default AppCategory;

src/components/appList.tsx

@@ -1,4 +1,4 @@
-import { AppCategory, IAppCategoryProps } from "./appCategory";
+import AppCategory, { IAppCategoryProps } from "./appCategory";
 import { IAppProps } from "./app";
 
 import { Headline, ListContainer } from "./elements";
@@ -10,7 +10,8 @@ export interface IAppListProps {
 
 /**
  * Renders one list containing all app categories and uncategorized apps
- * @param {IAppListProps} props - The props of the given list of apps
+ * @param {IAppListProps} props props of the given list of apps
+ * @returns {React.ReactNode} the app list component
  */
 const AppList = ({ categories, apps }: IAppListProps) => (
   <ListContainer>
@@ -20,10 +21,7 @@ const AppList = ({ categories, apps }: IAppListProps) => (
         <AppCategory key={[name, idx].join("")} name={name} items={items} />
       ))}
     {apps && (
-      <AppCategory
+      <AppCategory name={categories ? "Uncategorized apps" : ""} items={apps} />
-        name={categories ? "Uncategorized apps" : ""}
-        items={apps}
-      />
     )}
   </ListContainer>
 );

src/components/bookmarkList.tsx

@@ -1,24 +0,0 @@
-import React from "react";
-import { Headline, ListContainer, ItemList } from "./elements";
-import { BookmarkGroup, IBookmarkGroupProps } from "./bookmarkGroup";
-
-interface IBookmarkListProps {
-  groups: Array<IBookmarkGroupProps>;
-}
-
-/**
- * Renders a given list of categorized bookmarks
- * @param {IBookmarkListProps} props - The props of the given bookmark list
- */
-const BookmarkList = ({ groups }: IBookmarkListProps) => (
-  <ListContainer>
-    <Headline>Bookmarks</Headline>
-    <ItemList>
-      {groups.map(({ name, items }, idx) => (
-        <BookmarkGroup key={[name, idx].join("")} name={name} items={items} />
-      ))}
-    </ItemList>
-  </ListContainer>
-);
-
-export default BookmarkList;

src/components/bookmarks.tsx

@@ -1,6 +1,11 @@
-import React from "react";
 import styled from "styled-components";
-import { Item, SubHeadline } from "./elements";
+import {
+  Headline,
+  Item,
+  ItemList,
+  ListContainer,
+  SubHeadline,
+} from "./elements";
 import selectedTheme from "../lib/theme";
 
 const GroupContainer = styled.div`
@@ -32,9 +37,14 @@ export interface IBookmarkGroupProps {
   items: Array<IBookmarkProps>;
 }
 
+export interface IBookmarkListProps {
+  groups: Array<IBookmarkGroupProps>;
+}
+
 /**
  * Renders a given bookmark group
- * @param {IBookmarkGroupProps} props - The given props of the bookmark group
+ * @param {IBookmarkGroupProps} props given props of the bookmark group
+ * @returns {React.ReactNode} the bookmark group component
  */
 export const BookmarkGroup = ({ name, items }: IBookmarkGroupProps) => (
   <Item>
@@ -48,3 +58,21 @@ export const BookmarkGroup = ({ name, items }: IBookmarkGroupProps) => (
     </GroupContainer>
   </Item>
 );
+
+/**
+ * Renders a given list of categorized bookmarks
+ * @param {IBookmarkListProps} props props of the given bookmark list
+ * @returns {React.ReactNode} the bookmark list component
+ */
+const BookmarkList = ({ groups }: IBookmarkListProps) => (
+  <ListContainer>
+    <Headline>Bookmarks</Headline>
+    <ItemList>
+      {groups.map(({ name, items }, idx) => (
+        <BookmarkGroup key={[name, idx].join("")} name={name} items={items} />
+      ))}
+    </ItemList>
+  </ListContainer>
+);
+
+export default BookmarkList;

src/components/elements.tsx

@@ -1,7 +1,5 @@
-import React from "react";
 import styled from "styled-components";
 import selectedTheme from "../lib/theme";
-import Icon from "./icon";
 
 export const ListContainer = styled.div`
   padding: 2rem 0;
@@ -56,29 +54,3 @@ export const Button = styled.button`
     cursor: pointer;
   }
 `;
-
-const StyledButton = styled.button`
-  float: right;
-  border: none;
-  padding: 0;
-  background: none;
-
-  &:hover {
-    cursor: pointer;
-  }
-`;
-
-interface IIconButtonProps {
-  icon: string;
-  onClick: (e: React.FormEvent) => void;
-}
-
-/**
- * Renders a button with an icon
- * @param {IIconProps} props - The props of the given IconButton
- */
-export const IconButton = ({ icon, onClick }: IIconButtonProps) => (
-  <StyledButton onClick={onClick}>
-    <Icon name={icon} />
-  </StyledButton>
-);

src/components/greeter.tsx

@@ -38,17 +38,18 @@ interface IGreeterComponentProps {
 }
 
 /**
- *
+ * Checks if a number is between two numbers
- * @param a the number that's supposed to be checked
+ * @param {number} a number that's supposed to be checked
- * @param b the minimum
+ * @param {number} b minimum
- * @param c the maximum
+ * @param {number} c maximum
  */
 const isBetween = (a: number, b: number, c: number): boolean =>
   a >= b && a <= c;
 
 /**
  * Returns a greeting based on the current time
- * @returns {string} - A greeting
+ * @param {Array<IGreetingProps>} greetings a list of greetings with start and end date
+ * @returns {string} a greeting
  */
 const getGreeting = (greetings: Array<IGreetingProps>): string => {
   let hours = Math.floor(new Date().getHours());
@@ -64,8 +65,8 @@ const getGreeting = (greetings: Array<IGreetingProps>): string => {
 
 /**
  * Returns the appropriate extension for a number (eg. 'rd' for '3' to make '3rd')
- * @param {number} day - The number of a day within a month
+ * @param {number} day number of a day within a month
- * @returns {string} - The extension for that number
+ * @returns {string} extension for that number
  */
 const getExtension = (day: number) => {
   let extension = "";
@@ -85,13 +86,13 @@ const getExtension = (day: number) => {
 
 /**
  * Generates the current date
- * @param {string} format - The format of the date string
+ * @param {string} format format of the date string
- * @returns {string} - The current date as a string
+ * @returns {string} current date as a string
  */
 const getDateString = (
   weekdays: Array<string>,
   months: Array<string>,
-  format: string
+  format: string,
 ) => {
   let currentDate = new Date();
 
@@ -111,6 +112,8 @@ const getDateString = (
 
 /**
  * Renders the Greeter
+ * @param {IGreeterComponentProps} data required greeter data
+ * @returns {React.ReactNode} the greeter
  */
 const Greeter = ({ data }: IGreeterComponentProps) => (
   <GreeterContainer>

src/components/icon.tsx

@@ -7,18 +7,26 @@ interface IIconProps {
   size?: string;
 }
 
-/**
+interface IIconButtonProps {
- * Renders an Icon
+  icon: string;
- * @param {IIconProps} props - The props needed for the given icon
+  onClick: (e: React.FormEvent) => void;
- */
+}
-export const Icon = ({ name, size }: IIconProps) => {
 
-  let IconContainer = styled.i`
+const StyledButton = styled.button`
+  float: right;
+  border: none;
+  padding: 0;
+  background: none;
+
+  &:hover {
+    cursor: pointer;
+  }
+`;
+
+const IconContainer = styled.i`
   font-family: "Material Icons";
   font-weight: normal;
   font-style: normal;
-    font-size: ${size ? size : "24px"};
-    color: ${selectedTheme.mainColor};
   display: inline-block;
   line-height: 1;
   text-transform: none;
@@ -32,7 +40,29 @@ export const Icon = ({ name, size }: IIconProps) => {
   font-feature-settings: "liga";
 `;
 
-  return <IconContainer>{name}</IconContainer>;
+/**
+ * Renders an Icon
+ * @param {IIconProps} props props needed for the given icon
+ * @returns {React.ReactNode} the icon node
+ */
+export const Icon = ({ name, size }: IIconProps) => {
+  let Container = styled(IconContainer)`
+    font-size: ${size ? size : "24px"};
+    color: ${selectedTheme.mainColor};
+  `;
+
+  return <Container>{name}</Container>;
 };
 
+/**
+ * Renders a button with an icon
+ * @param {IIconProps} props - The props of the given IconButton
+ * @returns {React.ReactNode} the icon button node
+ */
+export const IconButton = ({ icon, onClick }: IIconButtonProps) => (
+  <StyledButton onClick={onClick}>
+    <Icon name={icon} />
+  </StyledButton>
+);
+
 export default Icon;

src/components/imprint.tsx

@@ -2,12 +2,7 @@ import React from "react";
 import Modal from "./modal";
 import styled from "styled-components";
 import selectedTheme from "../lib/theme";
-import {
+import { ListContainer, ItemList, Headline, SubHeadline } from "./elements";
-  ListContainer,
-  ItemList,
-  Headline,
-  SubHeadline,
-} from "./elements";
 
 const ModalSubHeadline = styled(SubHeadline)`
   display: block;
@@ -37,11 +32,6 @@ const ItemContainer = styled.div`
   padding: 1rem 0;
 `;
 
-interface IImprintFieldProps {
-  text: string;
-  link: string;
-}
-
 export interface IImprintProps {
   name: IImprintFieldProps;
   address: IImprintFieldProps;
@@ -51,17 +41,23 @@ export interface IImprintProps {
   text: string;
 }
 
-interface IImprintFieldComponentProps {
-  field: IImprintFieldProps;
-}
-
 interface IImprintComponentProps {
   imprint: IImprintProps;
 }
 
+interface IImprintFieldComponentProps {
+  field: IImprintFieldProps;
+}
+
+interface IImprintFieldProps {
+  text: string;
+  link: string;
+}
+
 /**
  * Renders an imprint field
- * @param {IImprintFieldComponentProps} props - The data for the field
+ * @param {IImprintFieldComponentProps} props data for the field
+ * @returns {React.ReactNode} the imprint field component
  */
 const ImprintField = ({ field }: IImprintFieldComponentProps) => (
   <Link href={field.link}>{field.text}</Link>
@@ -69,7 +65,8 @@ const ImprintField = ({ field }: IImprintFieldComponentProps) => (
 
 /**
  * Renders the imprint component
- * @param {IImprintProps} props - The contents of the imprint
+ * @param {IImprintProps} props contents of the imprint
+ * @returns {React.ReactNode} the imprint node
  */
 const Imprint = ({ imprint }: IImprintComponentProps) => (
   <>
@@ -103,9 +100,7 @@ const Imprint = ({ imprint }: IImprintComponentProps) => (
               </>
             </div>
             <div>
-              <ModalSubHeadline>
+              <ModalSubHeadline>Imprint</ModalSubHeadline>
-                Imprint
-            </ModalSubHeadline>
               {imprint.text && <Text>{imprint.text}</Text>}
             </div>
           </Modal>

src/components/modal.tsx

@@ -2,7 +2,8 @@ import React, { useState } from "react";
 import styled from "styled-components";
 import selectedTheme from "../lib/theme";
 
-import { Headline, IconButton } from "./elements";
+import { Headline } from "./elements";
+import { IconButton } from "./icon";
 
 const ModalContainer = styled.div`
   position: absolute;
@@ -49,9 +50,18 @@ interface IModalProps {
 
 /**
  * Renders a modal with button to hide and un-hide
- * @param {IModalProps} props - The needed props for the modal
+ * @param {IModalProps} props needed props for the modal
+ * @returns {React.ReactNode} the modal component
  */
-const Modal = ({ element, icon, text, condition, title, onClose, children }: IModalProps) => {
+const Modal = ({
+  element,
+  icon,
+  text,
+  condition,
+  title,
+  onClose,
+  children,
+}: IModalProps) => {
   const [modalHidden, setModalHidden] = useState<boolean>(condition ?? true);
 
   const closeModal = () => {
@@ -65,9 +75,7 @@ const Modal = ({ element, icon, text, condition, title, onClose, children }: IMo
         <IconButton icon={icon ?? ""} onClick={() => closeModal()} />
       )}
 
-      {element === "text" && (
+      {element === "text" && <Text onClick={() => closeModal()}>{text}</Text>}
-        <Text onClick={() => closeModal()}>{text}</Text>
-      )}
 
       <ModalContainer hidden={modalHidden}>
         <TitleContainer>

src/components/searchBar.tsx

@@ -16,18 +16,17 @@ const Search = styled.form`
 
 const SearchInput = styled.input`
   width: 100%;
+  margin: 0px;
 
   font-size: 1rem;
 
   border: none;
   border-bottom: 1px solid ${selectedTheme.accentColor};
+  border-radius: 0;
 
   background: none;
-  border-radius: 0;
   color: ${selectedTheme.mainColor};
 
-  margin: 0px;
-
   :focus {
     outline: none;
   }

src/components/settings.tsx

@@ -1,4 +1,4 @@
-import React, { useState } from "react";
+import { useState } from "react";
 import styled from "styled-components";
 
 import Select, { ValueType } from "react-select";
@@ -62,15 +62,15 @@ const SelectorStyle: any = {
     boxShadow: "none",
     "&:hover": {
       border: "1px solid",
-      borderColor: selectedTheme.mainColor
+      borderColor: selectedTheme.mainColor,
     },
   }),
   dropdownIndicator: (base: any): any => ({
     ...base,
     color: selectedTheme.mainColor,
     "&:hover": {
-      color: selectedTheme.mainColor
+      color: selectedTheme.mainColor,
-    }
+    },
   }),
   indicatorSeparator: () => ({
     display: "none",
@@ -81,7 +81,7 @@ const SelectorStyle: any = {
     border: "1px solid " + selectedTheme.mainColor,
     borderRadius: 0,
     boxShadow: "none",
-    margin: "4px 0"
+    margin: "4px 0",
   }),
   option: (base: any): any => ({
     ...base,
@@ -115,7 +115,7 @@ interface ISettingsProps {
 const Settings = ({ themes, providers }: ISettingsProps) => {
   const [newTheme, setNewTheme] = useState<IThemeProps>();
 
-  if (themes && providers) {
+  if (themes || providers) {
     return (
       <Modal element="icon" icon="settings" title="Settings">
         {themes && (

src/index.tsx

@@ -7,7 +7,7 @@ ReactDOM.render(
   <React.StrictMode>
     <App />
   </React.StrictMode>,
-  document.getElementById("root")
+  document.getElementById("root"),
 );
 
 // If you want your app to work offline and load faster, you can change

src/lib/fetcher.d.ts

@@ -0,0 +1,32 @@
+import { ISearchProps } from "../components/searchBar";
+import { IBookmarkGroupProps } from "../components/bookmarkGroup";
+import { IAppCategoryProps } from "../components/appCategory";
+import { IAppProps } from "../components/app";
+import { IThemeProps } from "./theme";
+import { IImprintProps } from "../components/imprint";
+import { IGreeterProps } from "../components/greeter";
+
+declare module "../data/apps.json" {
+  export const categories: IAppCategoryProps[];
+  export const apps: IAppProps[];
+}
+
+declare module "../data/search.json" {
+  export const search: ISearchProps;
+}
+
+declare module "../data/bookmarks.json" {
+  export const groups: IBookmarkGroupProps[];
+}
+
+declare module "../data/themes.json" {
+  export const themes: IThemeProps[];
+}
+
+declare module "../data/imprint.json" {
+  export const imprint: IImprintProps;
+}
+
+declare module "../data/greeter.json" {
+  export const greeter: IGreeterProps;
+}

src/lib/fetcher.tsx

@@ -1,7 +1,7 @@
 import { useCallback, useEffect, useState } from "react";
 
 import { ISearchProviderProps } from "../components/searchBar";
-import { IBookmarkGroupProps } from "../components/bookmarkGroup";
+import { IBookmarkGroupProps } from "../components/bookmarks";
 import { IAppCategoryProps } from "../components/appCategory";
 import { IAppProps } from "../components/app";
 import { IThemeProps } from "./theme";
@@ -99,7 +99,7 @@ const defaults = {
         "September",
         "October",
         "November",
-        "December"
+        "December",
       ],
       days: [
         "Sunday",
@@ -108,34 +108,34 @@ const defaults = {
         "Wednesday",
         "Thursday",
         "Friday",
-        "Saturday"
+        "Saturday",
       ],
       greetings: [
         {
           greeting: "Good night!",
           start: 0,
-          end: 6
+          end: 6,
         },
         {
           greeting: "Good morning!",
           start: 6,
-          end: 12
+          end: 12,
         },
         {
           greeting: "Good afternoon!",
           start: 12,
-          end: 18
+          end: 18,
         },
         {
           greeting: "Good evening!",
           start: 18,
-          end: 0
+          end: 0,
-        }
+        },
       ],
-      dateformat: "%wd, %m %d%e %y"
+      dateformat: "%wd, %m %d%e %y",
     },
     error: false,
-  }
+  },
 };
 
 /**
@@ -146,32 +146,44 @@ const defaults = {
 const handleError = (status: string, error: Error) => {
   switch (status) {
     case "apps":
-      return { ...defaults.app, error: error.message }
+      return { ...defaults.app, error: error.message };
     case "bookmark":
-      return { ...defaults.bookmark, error: error.message }
+      return { ...defaults.bookmark, error: error.message };
     case "searchProvider":
-      return { ...defaults.search, error: error.message }
+      return { ...defaults.search, error: error.message };
     case "theme":
-      return { ...defaults.theme, error: error.message }
+      return { ...defaults.theme, error: error.message };
     case "imprint":
-      return { ...defaults.imprint, error: error.message }
+      return { ...defaults.imprint, error: error.message };
     case "greeter":
-      return { ...defaults.greeter, error: error.message }
+      return { ...defaults.greeter, error: error.message };
     default:
       break;
   }
-}
+};
 
 /**
  * Fetches all of the data by doing fetch requests (only available in production)
  */
 const fetchProduction = Promise.all([
-  fetch("/data/apps.json").then(handleResponse).catch((error: Error) => handleError("apps", error)),
+  fetch("/data/apps.json")
-  fetch("/data/bookmarks.json").then(handleResponse).catch((error: Error) => handleError("bookmark", error)),
+    .then(handleResponse)
-  fetch("/data/search.json").then(handleResponse).catch((error: Error) => handleError("searchProvider", error)),
+    .catch((error: Error) => handleError("apps", error)),
-  fetch("/data/themes.json").then(handleResponse).catch((error: Error) => handleError("theme", error)),
+  fetch("/data/bookmarks.json")
-  fetch("/data/imprint.json").then(handleResponse).catch((error: Error) => handleError("imprint", error)),
+    .then(handleResponse)
-  fetch("/data/greeter.json").then(handleResponse).catch((error: Error) => handleError("greeter", error))
+    .catch((error: Error) => handleError("bookmark", error)),
+  fetch("/data/search.json")
+    .then(handleResponse)
+    .catch((error: Error) => handleError("searchProvider", error)),
+  fetch("/data/themes.json")
+    .then(handleResponse)
+    .catch((error: Error) => handleError("theme", error)),
+  fetch("/data/imprint.json")
+    .then(handleResponse)
+    .catch((error: Error) => handleError("imprint", error)),
+  fetch("/data/greeter.json")
+    .then(handleResponse)
+    .catch((error: Error) => handleError("greeter", error)),
 ]);
 
 /**
@@ -183,7 +195,7 @@ const fetchDevelopment = Promise.all([
   import("../data/search.json"),
   import("../data/themes.json"),
   import("../data/imprint.json"),
-  import("../data/greeter.json")
+  import("../data/greeter.json"),
 ]);
 
 /**
@@ -193,32 +205,56 @@ export const useFetcher = () => {
   const [appData, setAppData] = useState<IAppDataProps>(defaults.app);
 
   const [bookmarkData, setBookmarkData] = useState<IBookmarkDataProps>(
-    defaults.bookmark
+    defaults.bookmark,
   );
 
-  const [
+  const [searchProviderData, setSearchProviderData] =
-    searchProviderData,
+    useState<ISearchProviderDataProps>(defaults.search);
-    setSearchProviderData,
-  ] = useState<ISearchProviderDataProps>(defaults.search);
 
   const [themeData, setThemeData] = useState<IThemeDataProps>(defaults.theme);
 
   const [imprintData, setImprintData] = useState<IImprintDataProps>(
-    defaults.imprint
+    defaults.imprint,
   );
 
-  const [greeterData, setGreeterData] = useState<IGreeterDataProps>(defaults.greeter);
+  const [greeterData, setGreeterData] = useState<IGreeterDataProps>(
+    defaults.greeter,
+  );
 
   const callback = useCallback(() => {
     (inProduction ? fetchProduction : fetchDevelopment).then(
-      ([appData, bookmarkData, searchData, themeData, imprintData, greeterData]: [IAppDataProps, IBookmarkDataProps, ISearchProviderDataProps, IThemeDataProps, IImprintDataProps, IGreeterDataProps]) => {
+      ([
-        setAppData((appData.error) ? appData : { ...appData, error: false });
+        appData,
-        setBookmarkData((bookmarkData.error) ? bookmarkData : { ...bookmarkData, error: false });
+        bookmarkData,
-        setSearchProviderData((searchData.error) ? searchData : { ...searchData, error: false });
+        searchData,
-        setThemeData((themeData.error) ? themeData : { ...themeData, error: false });
+        themeData,
-        setImprintData((imprintData.error) ? imprintData : { ...imprintData, error: false });
+        imprintData,
-        setGreeterData((greeterData.error) ? greeterData : { ...greeterData, error: false });
+        greeterData,
-      }
+      ]: [
+        IAppDataProps,
+        IBookmarkDataProps,
+        ISearchProviderDataProps,
+        IThemeDataProps,
+        IImprintDataProps,
+        IGreeterDataProps,
+      ]) => {
+        setAppData(appData.error ? appData : { ...appData, error: false });
+        setBookmarkData(
+          bookmarkData.error ? bookmarkData : { ...bookmarkData, error: false },
+        );
+        setSearchProviderData(
+          searchData.error ? searchData : { ...searchData, error: false },
+        );
+        setThemeData(
+          themeData.error ? themeData : { ...themeData, error: false },
+        );
+        setImprintData(
+          imprintData.error ? imprintData : { ...imprintData, error: false },
+        );
+        setGreeterData(
+          greeterData.error ? greeterData : { ...greeterData, error: false },
+        );
+      },
     );
   }, []);
 
@@ -231,7 +267,7 @@ export const useFetcher = () => {
     themeData,
     imprintData,
     greeterData,
-    callback
+    callback,
   };
 };
 

src/serviceWorker.ts

@@ -11,13 +11,13 @@
 // opt-in, read https://bit.ly/CRA-PWA
 
 const isLocalhost = Boolean(
-  window.location.hostname === 'localhost' ||
+  window.location.hostname === "localhost" ||
     // [::1] is the IPv6 localhost address.
-    window.location.hostname === '[::1]' ||
+    window.location.hostname === "[::1]" ||
     // 127.0.0.0/8 are considered localhost for IPv4.
     window.location.hostname.match(
-      /^127(?:\.(?:25[0-5]|2[0-4][0-9]|[01]?[0-9][0-9]?)){3}$/
+      /^127(?:\.(?:25[0-5]|2[0-4][0-9]|[01]?[0-9][0-9]?)){3}$/,
-    )
+    ),
 );
 
 type Config = {
@@ -26,12 +26,9 @@ type Config = {
 };
 
 export function register(config?: Config) {
-  if (process.env.NODE_ENV === 'production' && 'serviceWorker' in navigator) {
+  if (process.env.NODE_ENV === "production" && "serviceWorker" in navigator) {
     // The URL constructor is available in all browsers that support SW.
-    const publicUrl = new URL(
+    const publicUrl = new URL(process.env.PUBLIC_URL, window.location.href);
-      process.env.PUBLIC_URL,
-      window.location.href
-    );
     if (publicUrl.origin !== window.location.origin) {
       // Our service worker won't work if PUBLIC_URL is on a different origin
       // from what our page is served on. This might happen if a CDN is used to
@@ -39,7 +36,7 @@ export function register(config?: Config) {
       return;
     }
 
-    window.addEventListener('load', () => {
+    window.addEventListener("load", () => {
       const swUrl = `${process.env.PUBLIC_URL}/service-worker.js`;
 
       if (isLocalhost) {
@@ -50,8 +47,8 @@ export function register(config?: Config) {
         // service worker/PWA documentation.
         navigator.serviceWorker.ready.then(() => {
           console.log(
-            'This web app is being served cache-first by a service ' +
+            "This web app is being served cache-first by a service " +
-              'worker. To learn more, visit https://bit.ly/CRA-PWA'
+              "worker. To learn more, visit https://bit.ly/CRA-PWA",
           );
         });
       } else {
@@ -65,21 +62,21 @@ export function register(config?: Config) {
 function registerValidSW(swUrl: string, config?: Config) {
   navigator.serviceWorker
     .register(swUrl)
-    .then(registration => {
+    .then((registration) => {
       registration.onupdatefound = () => {
         const installingWorker = registration.installing;
         if (installingWorker == null) {
           return;
         }
         installingWorker.onstatechange = () => {
-          if (installingWorker.state === 'installed') {
+          if (installingWorker.state === "installed") {
             if (navigator.serviceWorker.controller) {
               // At this point, the updated precached content has been fetched,
               // but the previous service worker will still serve the older
               // content until all client tabs are closed.
               console.log(
-                'New content is available and will be used when all ' +
+                "New content is available and will be used when all " +
-                  'tabs for this page are closed. See https://bit.ly/CRA-PWA.'
+                  "tabs for this page are closed. See https://bit.ly/CRA-PWA.",
               );
 
               // Execute callback
@@ -90,7 +87,7 @@ function registerValidSW(swUrl: string, config?: Config) {
               // At this point, everything has been precached.
               // It's the perfect time to display a
               // "Content is cached for offline use." message.
-              console.log('Content is cached for offline use.');
+              console.log("Content is cached for offline use.");
 
               // Execute callback
               if (config && config.onSuccess) {
@@ -101,25 +98,25 @@ function registerValidSW(swUrl: string, config?: Config) {
         };
       };
     })
-    .catch(error => {
+    .catch((error) => {
-      console.error('Error during service worker registration:', error);
+      console.error("Error during service worker registration:", error);
     });
 }
 
 function checkValidServiceWorker(swUrl: string, config?: Config) {
   // Check if the service worker can be found. If it can't reload the page.
   fetch(swUrl, {
-    headers: { 'Service-Worker': 'script' }
+    headers: { "Service-Worker": "script" },
   })
-    .then(response => {
+    .then((response) => {
       // Ensure service worker exists, and that we really are getting a JS file.
-      const contentType = response.headers.get('content-type');
+      const contentType = response.headers.get("content-type");
       if (
         response.status === 404 ||
-        (contentType != null && contentType.indexOf('javascript') === -1)
+        (contentType != null && contentType.indexOf("javascript") === -1)
       ) {
         // No service worker found. Probably a different app. Reload the page.
-        navigator.serviceWorker.ready.then(registration => {
+        navigator.serviceWorker.ready.then((registration) => {
           registration.unregister().then(() => {
             window.location.reload();
           });
@@ -131,18 +128,18 @@ function checkValidServiceWorker(swUrl: string, config?: Config) {
     })
     .catch(() => {
       console.log(
-        'No internet connection found. App is running in offline mode.'
+        "No internet connection found. App is running in offline mode.",
       );
     });
 }
 
 export function unregister() {
-  if ('serviceWorker' in navigator) {
+  if ("serviceWorker" in navigator) {
     navigator.serviceWorker.ready
-      .then(registration => {
+      .then((registration) => {
         registration.unregister();
       })
-      .catch(error => {
+      .catch((error) => {
         console.error(error.message);
       });
   }

src/setupTests.ts

@@ -2,4 +2,4 @@
 // allows you to do things like:
 // expect(element).toHaveTextContent(/react/i)
 // learn more: https://github.com/testing-library/jest-dom
-import '@testing-library/jest-dom/extend-expect';
+import "@testing-library/jest-dom/extend-expect";

src/test/components/app.spec.tsx

@@ -0,0 +1,24 @@
+import { render } from "@testing-library/react";
+import App, { IAppProps } from "../../components/app";
+
+const props: IAppProps = {
+  name: "App Test",
+  icon: "bug_report",
+  url: "#",
+  displayURL: "test",
+  newTab: false,
+};
+
+it("should take a snapshot", () => {
+  const { asFragment } = render(
+    <App
+      name={props.name}
+      icon={props.icon}
+      url={props.url}
+      displayURL={props.displayURL}
+      newTab={props.newTab}
+    />,
+  );
+
+  expect(asFragment).toMatchSnapshot();
+});

src/test/components/appCategory.spec.tsx

@@ -0,0 +1,30 @@
+import { render } from "@testing-library/react";
+import AppCategory, { IAppCategoryProps } from "../../components/appCategory";
+
+const props: IAppCategoryProps = {
+  name: "Category Test",
+  items: [
+    {
+      name: "App Test",
+      icon: "bug_report",
+      url: "#",
+      displayURL: "test",
+      newTab: false,
+    },
+    {
+      name: "App Test",
+      icon: "bug_report",
+      url: "#",
+      displayURL: "test",
+      newTab: false,
+    },
+  ],
+};
+
+it("should take a snapshot", () => {
+  const { asFragment } = render(
+    <AppCategory name={props.name} items={props.items} />,
+  );
+
+  expect(asFragment).toMatchSnapshot();
+});

src/test/components/appList.spec.tsx

@@ -0,0 +1,43 @@
+import { render } from "@testing-library/react";
+import AppList, { IAppListProps } from "../../components/appList";
+
+const props: IAppListProps = {
+  categories: [
+    {
+      name: "Category Test",
+      items: [
+        {
+          name: "App Test",
+          icon: "bug_report",
+          url: "#",
+          displayURL: "test",
+          newTab: false,
+        },
+        {
+          name: "App Test",
+          icon: "bug_report",
+          url: "#",
+          displayURL: "test",
+          newTab: false,
+        },
+      ],
+    },
+  ],
+  apps: [
+    {
+      name: "App Test",
+      icon: "bug_report",
+      url: "#",
+      displayURL: "test",
+      newTab: false,
+    },
+  ],
+};
+
+it("should take a snapshot", () => {
+  const { asFragment } = render(
+    <AppList categories={props.categories} apps={props.apps} />,
+  );
+
+  expect(asFragment).toMatchSnapshot();
+});

src/test/components/bookmarks.spec.tsx

@@ -0,0 +1,39 @@
+import { render } from "@testing-library/react";
+import BookmarkList, {
+  BookmarkGroup,
+  IBookmarkGroupProps,
+  IBookmarkListProps,
+} from "../../components/bookmarks";
+
+const bookmarkGroupProps: IBookmarkGroupProps = {
+  name: "Test Group",
+  items: [
+    {
+      name: "Bookmark Test",
+      url: "#",
+    },
+  ],
+};
+
+const bookmarkListProps: IBookmarkListProps = {
+  groups: [bookmarkGroupProps, bookmarkGroupProps],
+};
+
+it("BookmarkGroup snapshot test", () => {
+  const { asFragment } = render(
+    <BookmarkGroup
+      name={bookmarkGroupProps.name}
+      items={bookmarkGroupProps.items}
+    />,
+  );
+
+  expect(asFragment).toMatchSnapshot();
+});
+
+it("BookmarkList snapshot test", () => {
+  const { asFragment } = render(
+    <BookmarkList groups={bookmarkListProps.groups} />,
+  );
+
+  expect(asFragment).toMatchSnapshot();
+});

tsconfig.json

@@ -1,12 +1,8 @@
 {
   "compilerOptions": {
     "target": "es5",
-    "lib": [
+    "lib": ["dom", "dom.iterable", "esnext"],
-      "dom",
+    "allowJs": false,
-      "dom.iterable",
-      "esnext"
-    ],
-    "allowJs": true,
     "skipLibCheck": true,
     "esModuleInterop": true,
     "allowSyntheticDefaultImports": true,
@@ -20,7 +16,5 @@
     "jsx": "react-jsx",
     "noFallthroughCasesInSwitch": true
   },
-  "include": [
+  "include": ["src", "src/test"]
-    "src"
-  ]
 }