.eslintignore

@@ -0,0 +1 @@
+tailwind.config.ts

.eslintrc.json

@@ -7,10 +7,15 @@
       "rules": {
         "react-hooks/rules-of-hooks": "off"
       }
-    }
+    },
+    {
+      "files": [
+        "src/app/**/*.stories.tsx"
       ],
-  "plugins": [
-    "prettier"
+      "rules": {
+        "react/jsx-props-no-spreading": "off"
+      }      
+    }
   ],
     "settings": {
     "react": {
@@ -35,6 +40,16 @@
       }
     }
   },
+  "plugins": [
+    "prettier"
+  ],
+  "extends": [
+    "airbnb",
+    "next/core-web-vitals",
+    "next/typescript",
+    "prettier",
+    "plugin:storybook/recommended"
+  ],
   "rules": {
     "no-use-before-define": "off",
     "class-methods-use-this": "off",
@@ -43,13 +58,24 @@
     "no-promise-executor-return": "off",
     "@typescript-eslint/no-shadow": "off",
     "react/require-default-props": "off",
+    "import/order": [
+      "error",
+      {
+        "pathGroups": [
+          {
+            "pattern": "@/**",
+            "group": "external"
+          }
+        ]
+      } 
+    ],
     "no-shadow": "off",
     "prettier/prettier": [
       "warn",
       {
         "printWidth": 80,
         "tabWidth": 2,
-        "endOfLine":"auto",
+        "endOfLine": "auto",
         "useTabs": false,
         "semi": true,
         "singleQuote": false,
@@ -85,11 +111,5 @@
         "devDependencies": true
       }
     ]
-  },
-  "extends": [
-    "airbnb",
-    "next/core-web-vitals", 
-    "next/typescript",
-    "prettier"
-  ]
+  }
 }

.gitignore

@@ -38,3 +38,5 @@ yarn-error.log*
 # typescript
 *.tsbuildinfo
 next-env.d.ts
+
+*storybook.log

.storybook/main.ts

@@ -0,0 +1,18 @@
+import type { StorybookConfig } from "@storybook/nextjs";
+
+const config: StorybookConfig = {
+  stories: ["../src/**/*.mdx", "../src/**/*.stories.@(js|jsx|mjs|ts|tsx)"],
+  addons: [
+    "@storybook/addon-onboarding",
+    "@storybook/addon-essentials",
+    "@chromatic-com/storybook",
+    "@storybook/addon-interactions",
+    "storybook-dark-mode"
+  ],
+  framework: {
+    name: "@storybook/nextjs",
+    options: {},
+  },
+  staticDirs: ["../public"],
+};
+export default config;

.storybook/preview.tsx

@@ -0,0 +1,134 @@
+import React, { useRef } from "react";
+import { themes } from '@storybook/theming';
+import { ThemeProvider } from "../src/app/[lang]/dashboard/components/client/theme-provider/theme-provider";
+import { DARK_MODE_EVENT_NAME, UPDATE_DARK_MODE_EVENT_NAME } from 'storybook-dark-mode';
+import { initI18next, LANGS } from "../src/bootstrap/i18n/i18n"
+import { addons } from '@storybook/preview-api';
+import { i18n } from "i18next";
+import { I18nextProvider } from "react-i18next";
+const channel = addons.getChannel();
+import "../src/app/globals.css"
+/**
+ *
+ * This function will expand the object with nested properties
+ * @param obj refrence Object to that
+ * @param leftKeys keys to be nested object keys
+ * @param value value to be nested
+ *
+ */
+export const recursiveNestedProps = (
+  obj: Record<string, unknown>,
+  leftKeys: string[],
+  value: unknown,
+): Record<string, unknown> => {
+  if (leftKeys.length <= 0) return obj;
+  if (leftKeys.length === 1) {
+    // eslint-disable-next-line no-param-reassign
+    obj[leftKeys[0]] = value;
+    return obj;
+  }
+  const key = leftKeys.shift();
+  if (!key) return obj;
+
+  if (!obj[key]) {
+    // eslint-disable-next-line no-param-reassign
+    obj[key] = {};
+  }
+
+  return recursiveNestedProps(
+    obj[key] as Record<string, unknown>,
+    leftKeys,
+    value,
+  );
+};
+
+const preview = {
+    decorators: [
+    (Story, data) => {
+      const [isDark, setDark] = React.useState(true);
+      const [i18n, setI18n] = React.useState<i18n>()
+      const parsedProps = {} as Record<string, unknown>;
+      const { locale } = data.globals
+      const props = data.allArgs;
+      Object.entries(props).forEach((prop) => {
+        const [key, value] = prop;
+        if (!key.includes("vm")) {
+          parsedProps[key] = value;
+          return;
+        }
+        const splitedKey = key.split(".");
+
+        recursiveNestedProps(parsedProps, splitedKey, value);
+      });
+
+
+      React.useEffect(() => {
+        channel.on(DARK_MODE_EVENT_NAME, setDark);
+        return () => channel.removeListener(DARK_MODE_EVENT_NAME, setDark);
+      }, [channel, setDark]);
+
+      React.useEffect(() => {
+        (async () => {
+          setI18n((await initI18next({ lng: locale })).i18n);
+        })()
+      }, [])
+
+      React.useEffect(() => {
+          i18n?.changeLanguage(locale);
+      }, [locale]);
+
+      return (
+        <ThemeProvider
+          attribute="class"
+          forcedTheme={isDark ? "dark" : "light"}
+          enableSystem
+          disableTransitionOnChange
+       >
+        {
+          i18n && (
+            <I18nextProvider 
+              i18n={i18n}
+              >
+              <Story parsedProps={parsedProps} />
+            </I18nextProvider>
+          )
+        }
+       </ThemeProvider> 
+      );
+    },
+  ],
+  darkMode: {
+    // Override the default dark theme
+    dark: { ...themes.dark, appBg: 'black' },
+    // Override the default light theme
+    classTarget: 'html',
+    light: { ...themes.normal, appBg: 'red' },
+  },
+  parameters: {
+    nextjs: {
+      appDirectory: true,
+    },
+    controls: {
+      matchers: {
+        color: /(background|color)$/i,
+        date: /Date$/i,
+      },
+    },
+  },
+  globalTypes: {
+    locale: {
+      name: 'Locale',
+      description: 'Internationalization locale',
+      toolbar: {
+        icon: 'globe',
+        items: [
+          { value: LANGS.EN, title: 'English' },
+          { value: LANGS.RU, title: 'Russian' },
+        ],
+        showName: true,
+      },
+    },
+  }
+};
+
+export default preview;

docker-compose.yml

@@ -11,7 +11,6 @@ services:
       POSTGRES_USER: admin
       POSTGRES_DB: nextbp 
 
-
   app:
     build: .
     ports:

package.json

@@ -8,7 +8,9 @@
     "start": "next start --port 4000",
     "lint": "next lint --fix",
     "test": "vitest",
-    "seed": "node -r dotenv/config ./src/bootstrap/boundaries/db/seed.js"
+    "seed": "node -r dotenv/config ./src/bootstrap/boundaries/db/seed.js",
+    "storybook": "storybook dev -p 6006 --no-open",
+    "build-storybook": "storybook build"
   },
   "dependencies": {
     "@heroicons/react": "^2.1.5",
@@ -24,6 +26,7 @@
     "lucide-react": "^0.454.0",
     "next": "15.0.2",
     "next-i18n-router": "^5.5.1",
+    "next-themes": "^0.4.3",
     "postgres": "^3.4.5",
     "react": "19.0.0-rc-69d4b800-20241021",
     "react-cookie": "^7.2.2",
@@ -37,7 +40,15 @@
     "zod": "^3.23.8"
   },
   "devDependencies": {
+    "@chromatic-com/storybook": "^3.2.2",
     "@faker-js/faker": "^9.1.0",
+    "@storybook/addon-essentials": "^8.4.5",
+    "@storybook/addon-interactions": "^8.4.5",
+    "@storybook/addon-onboarding": "^8.4.5",
+    "@storybook/blocks": "^8.4.5",
+    "@storybook/nextjs": "^8.4.5",
+    "@storybook/react": "^8.4.5",
+    "@storybook/test": "^8.4.5",
     "@testing-library/dom": "^10.4.0",
     "@testing-library/react": "^16.0.1",
     "@types/node": "^20",
@@ -53,10 +64,13 @@
     "eslint-import-resolver-alias": "^1.1.2",
     "eslint-import-resolver-typescript": "^3.6.3",
     "eslint-plugin-prettier": "^5.2.1",
+    "eslint-plugin-storybook": "^0.11.1",
     "jsdom": "^25.0.1",
     "moq.ts": "^10.0.8",
     "postcss": "^8",
     "prettier": "^3.3.3",
+    "storybook": "^8.4.5",
+    "storybook-dark-mode": "^4.0.2",
     "tailwindcss": "^3.4.1",
     "typescript": "^5",
     "vitest": "^2.1.4"

src/app/[lang]/dashboard/components/client/theme-provider/theme-provider.tsx

@@ -0,0 +1,11 @@
+"use client"
+
+import * as React from "react"
+import { ThemeProvider as NextThemesProvider } from "next-themes"
+
+export function ThemeProvider({
+  children,
+  ...props
+}: React.ComponentProps<typeof NextThemesProvider>) {
+  return <NextThemesProvider {...props}>{children}</NextThemesProvider>
+}

src/app/[lang]/dashboard/page.tsx

@@ -6,11 +6,11 @@ import CardWrapper from "@/app/[lang]/dashboard/components/server/cards/cards";
 import LatestInvoices from "@/app/[lang]/dashboard/components/server/latest-invoices/latest-invoices";
 import RevenueChart from "@/app/[lang]/dashboard/components/server/revenue-chart/revenue-chart";
 import { Suspense } from "react";
-import { getServerTranslation } from "@/bootstrap/i18n/i18n";
+import { getServerTranslation, LANGS } from "@/bootstrap/i18n/i18n";
 import langKey from "@/bootstrap/i18n/dictionaries/lang-key";
 
 export default async function Dashboard(props: {
-  params: Promise<{ lang: string }>;
+  params: Promise<{ lang: LANGS }>;
 }) {
   const { params } = props;
   const { lang } = await params;

src/app/[lang]/layout.tsx

@@ -1,4 +1,5 @@
-import { initI18next } from "@/bootstrap/i18n/i18n";
+import { ThemeProvider } from "@/app/[lang]/dashboard/components/client/theme-provider/theme-provider";
+import { initI18next, LANGS } from "@/bootstrap/i18n/i18n";
 import TranslationsProvider from "@/bootstrap/i18n/i18n-provider";
 import localFont from "next/font/local";
 import { PropsWithChildren } from "react";
@@ -15,19 +16,26 @@ const geistMono = localFont({
 });
 
 export default async function layout(
-  props: PropsWithChildren & { params: Promise<{ lang: string }> },
+  props: PropsWithChildren & { params: Promise<{ lang: LANGS }> },
 ) {
   const { params, children } = props;
   const { lang } = await params;
   const { resources } = await initI18next({ lng: lang });
   return (
-    <html lang={lang}>
+    <html lang={lang} suppressHydrationWarning>
       <body
         className={`${geistSans.variable} ${geistMono.variable} antialiased`}
+      >
+        <ThemeProvider
+          attribute="class"
+          defaultTheme="light"
+          enableSystem
+          disableTransitionOnChange
         >
           <TranslationsProvider lng={lang} resources={resources}>
             {children}
           </TranslationsProvider>
+        </ThemeProvider>
       </body>
     </html>
   );

src/app/components/button/button.tsx

@@ -11,7 +11,6 @@ import { cn } from "@/bootstrap/helpers/lib/ui-utils";
 export default class Button extends BaseView<ButtonVm> {
   protected Build(props: BuildProps<ButtonVm>): ReactNode {
     const { vm } = props;
-
     return (
       <ButtonUi disabled={vm.props.isDisable} onClick={vm.onClick}>
         {vm.props.title}

src/app/components/button/stories/Button.stories.tsx

@@ -0,0 +1,65 @@
+import CreateRandomInvoiceButtonVM from "@/app/[lang]/dashboard/vm/create-random-invoice-button-vm";
+import Button from "@/app/components/button/button";
+import { DiContext, useDI } from "@/bootstrap/di/di-context";
+import mockedModuleDi from "@/bootstrap/di/mocked-module-di";
+import Story from "@/bootstrap/helpers/view/storybook-base-template-type";
+import getArgVM from "@/bootstrap/helpers/view/storybook-with-arg-vm";
+import createInvoiceUsecase from "@/feature/core/invoice/domain/usecase/create-invoice-usecase";
+import type { Meta } from "@storybook/react";
+import { useRef } from "react";
+
+const meta: Meta = {
+  title: "general/Button",
+};
+
+export default meta;
+
+export const Primary: Story = {
+  argTypes: {
+    "vm.props.isDisable": {
+      control: "boolean",
+    },
+    "vm.props.title": {
+      control: "text",
+    },
+  },
+  args: {
+    "vm.props.title": "Button",
+    "vm.props.isDisable": false,
+  },
+  render: (_props, globalData) => {
+    const vm = getArgVM(globalData.parsedProps.vm); // You can use parsed props to access your vm properties.
+    return <Button vm={vm} memoizedByVM={false} />;
+  },
+};
+
+export const WithVM: Story = {
+  decorators: [
+    (Story) => {
+      const di = mockedModuleDi([
+        {
+          token: CreateRandomInvoiceButtonVM,
+          provider: CreateRandomInvoiceButtonVM,
+        },
+        {
+          token: createInvoiceUsecase.name,
+          // eslint-disable-next-line @typescript-eslint/no-explicit-any, no-console
+          provider: (args: any) => console.log("clicked", args),
+        },
+      ]);
+      return <Story di={di} />;
+    },
+  ],
+  render: (_, globalProps) => {
+    function Child() {
+      const di = useDI();
+      const vm = useRef(di.resolve(CreateRandomInvoiceButtonVM));
+      return <Button vm={vm.current} memoizedByVM={false} />;
+    }
+    return (
+      <DiContext.Provider value={globalProps.di}>
+        <Child />
+      </DiContext.Provider>
+    );
+  },
+};

src/app/globals.css

@@ -34,7 +34,7 @@ body {
     --chart-5: 27 87% 67%;
     --radius: 0.5rem;
   }
-  .dark {
+  :root[class~="dark"] {
     --background: 240 10% 3.9%;
     --foreground: 0 0% 98%;
     --card: 240 10% 3.9%;

src/bootstrap/di/mocked-module-di.ts

@@ -0,0 +1,33 @@
+import { container, DependencyContainer } from "tsyringe";
+import { InjectionToken } from "tsyringe/dist/typings/providers";
+import constructor from "tsyringe/dist/typings/types/constructor";
+import { isClass } from "../helpers/global-helpers";
+
+/**
+ * Provides mocked di for test cases and using instead of real di
+ * @param providers List of providers
+ * @returns Mocked di with registered providers
+ */
+const mockedModuleDi = (
+  providers: {
+    token: InjectionToken<unknown>;
+    provider: unknown | constructor<unknown>;
+  }[],
+): DependencyContainer => {
+  const di = container.createChildContainer();
+
+  providers.forEach((provider) => {
+    if (isClass(provider.provider)) {
+      di.register(provider.token, provider.provider);
+      return;
+    }
+
+    di.register(provider.token, {
+      useValue: provider.provider,
+    });
+  });
+
+  return di;
+};
+
+export default mockedModuleDi;

src/bootstrap/helpers/global-helpers.ts

@@ -1 +1,8 @@
+import { constructor } from "tsyringe/dist/typings/types";
+
 export const isServer = typeof window === "undefined";
+
+// eslint-disable-next-line @typescript-eslint/no-explicit-any
+export function isClass(fn: any): fn is constructor<unknown> {
+  return typeof fn === "function" && /^(class|function [A-Z])/.test(fn);
+}

src/bootstrap/helpers/hooks/use-throttle.ts

@@ -11,11 +11,11 @@ export default function useThrottle<T extends () => unknown>(
   callback: T,
   time: number = 2000,
 ) {
-  const lastRun = useRef(Date.now());
+  const lastRun = useRef<number>();
 
   // eslint-disable-next-line func-names
   return function () {
-    if (Date.now() - lastRun.current <= time) return;
+    if (lastRun.current && Date.now() - lastRun.current <= time) return;
     lastRun.current = Date.now();
     callback();
   };

src/bootstrap/helpers/view/storybook-base-template-type.ts

@@ -0,0 +1,5 @@
+import { Meta, StoryObj } from "@storybook/react";
+
+type Story = StoryObj<Meta>;
+
+export default Story;

src/bootstrap/helpers/view/storybook-with-arg-vm.ts

@@ -0,0 +1,14 @@
+import IBaseVM from "@/bootstrap/helpers/vm/i-base-vm";
+
+const getArgVM = <IVM>(vmObj: IVM) => {
+  class VM implements IBaseVM<IVM> {
+    useVM(): IVM {
+      return {
+        ...vmObj,
+      };
+    }
+  }
+  return new VM();
+};
+
+export default getArgVM;

src/bootstrap/i18n/i18n-provider.tsx

@@ -1,18 +1,17 @@
 "use client";
 
 import { I18nextProvider } from "react-i18next";
-import { initI18next } from "@/bootstrap/i18n/i18n";
-import { createInstance, Resource } from "i18next";
+import { i18nInstance, initI18next, LANGS } from "@/bootstrap/i18n/i18n";
+import { Resource } from "i18next";
 import { PropsWithChildren } from "react";
 
 export default function TranslationsProvider({
   children,
   lng,
   resources,
-}: PropsWithChildren & { lng: string; resources: Resource }) {
-  const i18n = createInstance();
+}: PropsWithChildren & { lng: LANGS; resources: Resource }) {
+  if (!resources) return children;
+  initI18next({ lng, resources });
 
-  initI18next({ lng, i18n, resources });
-
-  return <I18nextProvider i18n={i18n}>{children}</I18nextProvider>;
+  return <I18nextProvider i18n={i18nInstance}>{children}</I18nextProvider>;
 }

src/bootstrap/i18n/i18n.ts

@@ -1,23 +1,26 @@
 import { getOptions, languages } from "@/bootstrap/i18n/settings";
-import { createInstance, i18n, Resource } from "i18next";
+import { createInstance, Resource } from "i18next";
 import resourcesToBackend from "i18next-resources-to-backend";
 import { initReactI18next } from "react-i18next/initReactI18next";
 
-const initI18nextInstance = createInstance();
+export const i18nInstance = createInstance();
+
+export enum LANGS {
+  EN = "en",
+  RU = "ru",
+}
 
 export const initI18next = async (params: {
-  lng: string;
-  i18n?: i18n;
+  lng: LANGS;
   resources?: Resource;
   ns?: string;
 }) => {
-  const { lng, i18n, ns, resources } = params;
-  const i18nInstance = i18n || initI18nextInstance;
+  const { lng, ns, resources } = params;
   await i18nInstance
     .use(initReactI18next)
     .use(
       resourcesToBackend(
-        (language: string) => import(`./dictionaries/${language}.ts`),
+        (language: LANGS) => import(`./dictionaries/${language}.ts`),
       ),
     )
     .init({
@@ -36,18 +39,17 @@ export const initI18next = async (params: {
 };
 
 export async function getServerTranslation(
-  lng: string,
+  lng: LANGS,
   ns?: string,
   options: { keyPrefix?: string } = {},
 ) {
-  const i18nextInstance = (await initI18next({ lng, ns })).i18n;
-
+  await initI18next({ lng });
   return {
-    t: i18nextInstance.getFixedT(
+    t: i18nInstance.getFixedT(
       lng,
       Array.isArray(ns) ? ns[0] : ns,
       options?.keyPrefix,
     ),
-    i18n: i18nextInstance,
+    i18n: i18nInstance,
   };
 }

tailwind.config.ts

@@ -11,53 +11,53 @@ const config: Config = {
   theme: {
     extend: {
       colors: {
-  			background: 'hsl(var(--background))',
-  			foreground: 'hsl(var(--foreground))',
+        background: "hsl(var(--background))",
+        foreground: "hsl(var(--foreground))",
         card: {
-  				DEFAULT: 'hsl(var(--card))',
-  				foreground: 'hsl(var(--card-foreground))'
+          DEFAULT: "hsl(var(--card))",
+          foreground: "hsl(var(--card-foreground))",
         },
         popover: {
-  				DEFAULT: 'hsl(var(--popover))',
-  				foreground: 'hsl(var(--popover-foreground))'
+          DEFAULT: "hsl(var(--popover))",
+          foreground: "hsl(var(--popover-foreground))",
         },
         primary: {
-  				DEFAULT: 'hsl(var(--primary))',
-  				foreground: 'hsl(var(--primary-foreground))'
+          DEFAULT: "hsl(var(--primary))",
+          foreground: "hsl(var(--primary-foreground))",
         },
         secondary: {
-  				DEFAULT: 'hsl(var(--secondary))',
-  				foreground: 'hsl(var(--secondary-foreground))'
+          DEFAULT: "hsl(var(--secondary))",
+          foreground: "hsl(var(--secondary-foreground))",
         },
         muted: {
-  				DEFAULT: 'hsl(var(--muted))',
-  				foreground: 'hsl(var(--muted-foreground))'
+          DEFAULT: "hsl(var(--muted))",
+          foreground: "hsl(var(--muted-foreground))",
         },
         accent: {
-  				DEFAULT: 'hsl(var(--accent))',
-  				foreground: 'hsl(var(--accent-foreground))'
+          DEFAULT: "hsl(var(--accent))",
+          foreground: "hsl(var(--accent-foreground))",
         },
         destructive: {
-  				DEFAULT: 'hsl(var(--destructive))',
-  				foreground: 'hsl(var(--destructive-foreground))'
+          DEFAULT: "hsl(var(--destructive))",
+          foreground: "hsl(var(--destructive-foreground))",
         },
-  			border: 'hsl(var(--border))',
-  			input: 'hsl(var(--input))',
-  			ring: 'hsl(var(--ring))',
+        border: "hsl(var(--border))",
+        input: "hsl(var(--input))",
+        ring: "hsl(var(--ring))",
         chart: {
-  				'1': 'hsl(var(--chart-1))',
-  				'2': 'hsl(var(--chart-2))',
-  				'3': 'hsl(var(--chart-3))',
-  				'4': 'hsl(var(--chart-4))',
-  				'5': 'hsl(var(--chart-5))'
-  			}
+          "1": "hsl(var(--chart-1))",
+          "2": "hsl(var(--chart-2))",
+          "3": "hsl(var(--chart-3))",
+          "4": "hsl(var(--chart-4))",
+          "5": "hsl(var(--chart-5))",
+        },
       },
       borderRadius: {
-  			lg: 'var(--radius)',
-  			md: 'calc(var(--radius) - 2px)',
-  			sm: 'calc(var(--radius) - 4px)'
-  		}
-  	}
+        lg: "var(--radius)",
+        md: "calc(var(--radius) - 2px)",
+        sm: "calc(var(--radius) - 4px)",
+      },
+    },
   },
   plugins: [require("tailwindcss-animate")],
 };