🧶 chore: install next.js and mantine and tailwind css with yarn #1

.eslintignore

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+*.cjs
+*.mjs
+*.js

.eslintrc.cjs

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+module.exports = {
+  extends: ['mantine', 'plugin:@next/next/recommended', 'plugin:jest/recommended'],
+  plugins: ['testing-library', 'jest'],
+  overrides: [
+    {
+      files: ['**/?(*.)+(spec|test).[jt]s?(x)'],
+      extends: ['plugin:testing-library/react'],
+    },
+  ],
+  parserOptions: {
+    project: './tsconfig.json',
+  },
+  rules: {
+    'react/react-in-jsx-scope': 'off',
+    'import/extensions': 'off',
+  },
+};

.gitignore

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+# Logs
+logs
+*.log
+npm-debug.log*
+yarn-debug.log*
+yarn-error.log*
+lerna-debug.log*
+.pnpm-debug.log*
+
+# Diagnostic reports (https://nodejs.org/api/report.html)
+report.[0-9]*.[0-9]*.[0-9]*.[0-9]*.json
+
+# Runtime data
+pids
+*.pid
+*.seed
+*.pid.lock
+
+# Directory for instrumented libs generated by jscoverage/JSCover
+lib-cov
+
+# Coverage directory used by tools like istanbul
+coverage
+*.lcov
+
+# nyc test coverage
+.nyc_output
+
+# Grunt intermediate storage (https://gruntjs.com/creating-plugins#storing-task-files)
+.grunt
+
+# Bower dependency directory (https://bower.io/)
+bower_components
+
+# node-waf configuration
+.lock-wscript
+
+# Compiled binary addons (https://nodejs.org/api/addons.html)
+build/Release
+
+# Dependency directories
+node_modules/
+jspm_packages/
+
+# Snowpack dependency directory (https://snowpack.dev/)
+web_modules/
+
+# TypeScript cache
+*.tsbuildinfo
+
+# Optional npm cache directory
+.npm
+
+# Optional eslint cache
+.eslintcache
+
+# Optional stylelint cache
+.stylelintcache
+
+# Microbundle cache
+.rpt2_cache/
+.rts2_cache_cjs/
+.rts2_cache_es/
+.rts2_cache_umd/
+
+# Optional REPL history
+.node_repl_history
+
+# Output of 'npm pack'
+*.tgz
+
+# Yarn Integrity file
+.yarn-integrity
+
+# dotenv environment variable files
+.env
+.env.development.local
+.env.test.local
+.env.production.local
+.env.local
+
+# parcel-bundler cache (https://parceljs.org/)
+.cache
+.parcel-cache
+
+# Next.js build output
+.next
+out
+
+# Nuxt.js build / generate output
+.nuxt
+dist
+
+# Gatsby files
+.cache/
+# Comment in the public line in if your project uses Gatsby and not Next.js
+# https://nextjs.org/blog/next-9-1#public-directory-support
+# public
+
+# vuepress build output
+.vuepress/dist
+
+# vuepress v2.x temp and cache directory
+.temp
+.cache
+
+# Docusaurus cache and generated files
+.docusaurus
+
+# Serverless directories
+.serverless/
+
+# FuseBox cache
+.fusebox/
+
+# DynamoDB Local files
+.dynamodb/
+
+# TernJS port file
+.tern-port
+
+# Stores VSCode versions used for testing VSCode extensions
+.vscode-test
+
+# yarn v2
+.yarn/cache
+.yarn/unplugged
+.yarn/build-state.yml
+.yarn/install-state.gz
+.pnp.*
+
+.DS_Store

.node-version

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+21.7.3

.nvmrc

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+v20.9.0

.prettierignore

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+.next

.prettierrc.cjs

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+module.exports = require('eslint-config-mantine/.prettierrc.js');

.storybook/main.ts

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+import type { StorybookConfig } from '@storybook/nextjs';
+
+const config: StorybookConfig = {
+  stories: ['../components/**/*.(stories|story).@(js|jsx|ts|tsx)'],
+  addons: [
+    '@storybook/addon-essentials',
+    'storybook-dark-mode',
+    '@storybook/addon-styling-webpack',
+  ],
+  framework: {
+    name: '@storybook/nextjs',
+    options: {},
+  },
+};
+
+export default config;

.storybook/preview.tsx

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+import '@mantine/core/styles.css';
+import React, { useEffect } from 'react';
+import { addons } from '@storybook/preview-api';
+import { DARK_MODE_EVENT_NAME } from 'storybook-dark-mode';
+import { MantineProvider, useMantineColorScheme } from '@mantine/core';
+import { theme } from '../theme';
+
+const channel = addons.getChannel();
+
+function ColorSchemeWrapper({ children }: { children: React.ReactNode }) {
+  const { setColorScheme } = useMantineColorScheme();
+  const handleColorScheme = (value: boolean) => setColorScheme(value ? 'dark' : 'light');
+
+  useEffect(() => {
+    channel.on(DARK_MODE_EVENT_NAME, handleColorScheme);
+    return () => channel.off(DARK_MODE_EVENT_NAME, handleColorScheme);
+  }, [channel]);
+
+  return <>{children}</>;
+}
+
+export const decorators = [
+  (renderStory: any) => <ColorSchemeWrapper>{renderStory()}</ColorSchemeWrapper>,
+  (renderStory: any) => <MantineProvider theme={theme}>{renderStory()}</MantineProvider>,
+];

.stylelintignore

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+.next
+out

.stylelintrc.json

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+{
+  "extends": ["stylelint-config-standard-scss"],
+  "rules": {
+    "custom-property-pattern": null,
+    "selector-class-pattern": null,
+    "scss/no-duplicate-mixins": null,
+    "declaration-empty-line-before": null,
+    "declaration-block-no-redundant-longhand-properties": null,
+    "alpha-value-notation": null,
+    "custom-property-empty-line-before": null,
+    "property-no-vendor-prefix": null,
+    "color-function-notation": null,
+    "length-zero-no-unit": null,
+    "selector-not-notation": null,
+    "no-descending-specificity": null,
+    "comment-empty-line-before": null,
+    "scss/at-mixin-pattern": null,
+    "scss/at-rule-no-unknown": null,
+    "value-keyword-case": null,
+    "media-feature-range-notation": null,
+    "selector-pseudo-class-no-unknown": [
+      true,
+      {
+        "ignorePseudoClasses": ["global"]
+      }
+    ]
+  }
+}

.vscode/settings.json

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+{
+  "eslint.validate": [
+    "javascript",
+    "javascriptreact",
+    "typescript",
+    "typescriptreact"
+  ],
+  "editor.codeActionsOnSave": {
+    "source.fixAll.eslint": "explicit"
+  },
+  "typescript.tsdk": "node_modules/typescript/lib"
+}

.yarnrc.yml

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+nodeLinker: node-modules
+
+yarnPath: .yarn/releases/yarn-4.1.1.cjs

app/layout.tsx

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+import '@/styles/globals.css';
+import '@mantine/core/styles.css';
+import React from 'react';
+import { MantineProvider, ColorSchemeScript } from '@mantine/core';
+import { theme } from '../theme';
+
+export const metadata = {
+  title: 'Mantine Next.js template',
+  description: 'I am using Mantine with Next.js!',
+};
+
+export default function RootLayout({ children }: { children: any }) {
+  return (
+    <html lang="en">
+      <head>
+        <ColorSchemeScript />
+        <link rel="shortcut icon" href="/favicon.svg" />
+        <meta
+          name="viewport"
+          content="minimum-scale=1, initial-scale=1, width=device-width, user-scalable=no"
+        />
+      </head>
+      <body>
+        <MantineProvider theme={theme}>{children}</MantineProvider>
+      </body>
+    </html>
+  );
+}

app/page.tsx

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+import { Welcome } from '@/components/Welcome/Welcome';
+import { ColorSchemeToggle } from '@/components/ColorSchemeToggle/ColorSchemeToggle';
+
+export default function HomePage() {
+  return (
+    <>
+      <Welcome />
+      <ColorSchemeToggle />
+    </>
+  );
+}

app/styles/globals.css

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+@tailwind components;
+@tailwind utilities;

components/ColorSchemeToggle/ColorSchemeToggle.tsx

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+'use client';
+
+import { Button, Group, useMantineColorScheme } from '@mantine/core';
+
+export function ColorSchemeToggle() {
+  const { setColorScheme } = useMantineColorScheme();
+
+  return (
+    <Group justify="center" mt="xl">
+      <Button onClick={() => setColorScheme('light')}>Light</Button>
+      <Button onClick={() => setColorScheme('dark')}>Dark</Button>
+      <Button onClick={() => setColorScheme('auto')}>Auto</Button>
+    </Group>
+  );
+}

components/Welcome/Welcome.module.css

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+.title {
+  color: light-dark(var(--mantine-color-black), var(--mantine-color-white));
+  font-size: rem(100px);
+  font-weight: 900;
+  letter-spacing: rem(-2px);
+
+  @media (max-width: $mantine-breakpoint-md) {
+    font-size: rem(50px);
+  }
+}

components/Welcome/Welcome.story.tsx

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+import { Welcome } from './Welcome';
+
+export default {
+  title: 'Welcome',
+};
+
+export const Usage = () => <Welcome />;

components/Welcome/Welcome.test.tsx

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+import { render, screen } from '@/test-utils';
+import { Welcome } from './Welcome';
+
+describe('Welcome component', () => {
+  it('has correct Next.js theming section link', () => {
+    render(<Welcome />);
+    expect(screen.getByText('this guide')).toHaveAttribute(
+      'href',
+      'https://mantine.dev/guides/next/'
+    );
+  });
+});

components/Welcome/Welcome.tsx

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+import { Title, Text, Anchor } from '@mantine/core';
+import classes from './Welcome.module.css';
+
+export function Welcome() {
+  return (
+    <>
+      <Title className={classes.title} ta="center" mt={100}>
+        Welcome to{' '}
+        <Text inherit variant="gradient" component="span" gradient={{ from: 'pink', to: 'yellow' }}>
+          Mantine
+        </Text>
+      </Title>
+      <Text c="dimmed" ta="center" size="lg" maw={580} mx="auto" mt="xl">
+        This starter Next.js project includes a minimal setup for server side rendering, if you want
+        to learn more on Mantine + Next.js integration follow{' '}
+        <Anchor href="https://mantine.dev/guides/next/" size="lg">
+          this guide
+        </Anchor>
+        . To get started edit page.tsx file.
+      </Text>
+    </>
+  );
+}

jest.config.cjs

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+const nextJest = require('next/jest');
+
+const createJestConfig = nextJest({
+  dir: './',
+});
+
+const customJestConfig = {
+  setupFilesAfterEnv: ['<rootDir>/jest.setup.cjs'],
+  moduleNameMapper: {
+    '^@/components/(.*)$': '<rootDir>/components/$1',
+    '^@/pages/(.*)$': '<rootDir>/pages/$1',
+  },
+  testEnvironment: 'jest-environment-jsdom',
+};
+
+module.exports = createJestConfig(customJestConfig);