Add support for postcss (#111)

package.json

@@ -50,15 +50,20 @@
     "buffer": "^6.0.3",
     "copy-webpack-plugin": "^10.2.4",
     "crypto-browserify": "^3.12.0",
+    "css-loader": "^6.7.1",
     "eslint": "^8.13.0",
     "eslint-config-prettier": "^8.5.0",
     "eslint-plugin-prettier": "^4.0.0",
     "eslint-plugin-react": "^7.29.4",
     "path-browserify": "^1.0.1",
+    "postcss": "^8.4.12",
+    "postcss-loader": "^6.2.1",
+    "postcss-preset-env": "^7.4.3",
     "postcss-syntax": "^0.36.2",
     "prettier": "^2.6.2",
     "process": "^0.11.10",
     "stream-browserify": "^3.0.0",
+    "style-loader": "^3.3.1",
     "stylelint": "^14.7.1",
     "stylelint-config-prettier": "^9.0.3",
     "stylelint-config-recommended": "^7.0.0",

src/ui/App.tsx

@@ -2,13 +2,12 @@ import React from 'react'
 import { ErrorBoundary } from 'react-error-boundary'
 import { goHome } from '../utils/routing'
 import ErrorFallback from './components/ErrorFallback'
-import { GlobalStyle } from './global/GlobalStyle'
 import Main from './global/Main'
 import Router from './global/Router'
+import './index.css'
 
 export const App: React.FC = () => (
   <Main>
-    <GlobalStyle />
     <ErrorBoundary FallbackComponent={ErrorFallback} onReset={goHome}>
       <Router />
     </ErrorBoundary>

src/ui/global/GlobalStyle.tsx

-import React from 'react'
-import { createGlobalStyle } from 'styled-components'
-
-export const GlobalStyle = createGlobalStyle`
-  :root {
-    --size-max-width: 600px;
-    --size-max-height: 600px;
-
-    --font-base: -apple-system, BlinkMacSystemFont, 'Segoe UI', 'Roboto',
-      'Oxygen', 'Ubuntu', 'Cantarell', 'Fira Sans', 'Droid Sans',
-      'Helvetica Neue', sans-serif;
-    --font-base-size: 0.9rem;
-    --font-small-size: 0.75rem;
-    --font-title-size: 1.4rem;
-    --font-base-line-height: 1.25;
-
-    --transition: 0.1s;
-    --shadow: 0px 4px 10px #000000;;
-
-    --color-white: #fff;
-    --color-orange: #d73400;
-    --color-pink: #ff4077;
-    --color-gray-lightest: #cccccc;
-    --color-gray-light: #c0c0c0;
-    --color-gray: #9a9a9a;
-    --color-dark-light: #262626;
-    --color-dark: #151515;
-    --color-black: #000000;
-    --color-highlight: rgba(255, 255, 255, 0.1);
-
-    --color-button-text: var(--color-dark);
-    --color-button-bg-hover: var(--color-gray-lightest);
-    --color-app-bg: var(--color-dark);
-    --color-button-bg: var(--color-gray-light);
-    --color-card-bg: var(--color-dark-light);
-    --color-dark-border: var(--color-black);
-    --color-error-signal: var(--color-orange);
-    --color-main-signal: var(--color-pink);
-    --color-main-text: var(--color-gray-light);
-    --color-faded-text: var(--color-gray);
-  }
-
-  html {
-    box-sizing: border-box;
-    font-size: 20px;
-    scrollbar-width: none;
-
-    &::-webkit-scrollbar {
-      display: none;
-    }
-  }
-
-  *, *:before, *:after {
-    box-sizing: inherit;
-  }
-
-  body {
-    margin: 0;
-    background-color: var(--color-app-bg);
-    font-family: var(--font-base);
-    -webkit-font-smoothing: antialiased;
-    -moz-osx-font-smoothing: grayscale;
-  }
-
-  #root {
-    width: var(--size-max-width);
-    height: var(--size-max-height);
-    margin: 0 auto;
-  }
-` as unknown as React.FC

src/ui/index.css

+:root {
+  --size-max-width: 600px;
+  --size-max-height: 600px;
+
+  --font-base: -apple-system, BlinkMacSystemFont, 'Segoe UI', 'Roboto', 'Oxygen',
+    'Ubuntu', 'Cantarell', 'Fira Sans', 'Droid Sans', 'Helvetica Neue',
+    sans-serif;
+  --font-base-size: 0.9rem;
+  --font-small-size: 0.75rem;
+  --font-title-size: 1.4rem;
+  --font-base-line-height: 1.25;
+
+  --transition: 0.1s;
+  --shadow: 0px 4px 10px #000000;
+
+  --color-white: #fff;
+  --color-orange: #d73400;
+  --color-pink: #ff4077;
+  --color-gray-lightest: #cccccc;
+  --color-gray-light: #c0c0c0;
+  --color-gray: #9a9a9a;
+  --color-dark-light: #262626;
+  --color-dark: #151515;
+  --color-black: #000000;
+  --color-highlight: rgba(255, 255, 255, 0.1);
+
+  --color-button-text: var(--color-dark);
+  --color-button-bg-hover: var(--color-gray-lightest);
+  --color-app-bg: var(--color-dark);
+  --color-button-bg: var(--color-gray-light);
+  --color-card-bg: var(--color-dark-light);
+  --color-dark-border: var(--color-black);
+  --color-error-signal: var(--color-orange);
+  --color-main-signal: var(--color-pink);
+  --color-main-text: var(--color-gray-light);
+  --color-faded-text: var(--color-gray);
+}
+
+html {
+  box-sizing: border-box;
+  font-size: 20px;
+  scrollbar-width: none;
+}
+
+html::-webkit-scrollbar {
+  display: none;
+}
+
+*,
+*:before,
+*:after {
+  box-sizing: inherit;
+}
+
+body {
+  margin: 0;
+  background-color: var(--color-app-bg);
+  font-family: var(--font-base);
+  -webkit-font-smoothing: antialiased;
+  -moz-osx-font-smoothing: grayscale;
+}
+
+#root {
+  width: var(--size-max-width);
+  height: var(--size-max-height);
+  margin: 0 auto;
+}

src/ui/typing.d.ts

+declare module '*.css' {
+  const content: Record<string, string>
+  export default content
+}
+
 declare module '*.svg' {
   const content: string
   export default content

webpack.config.js

@@ -38,6 +38,32 @@ module.exports = (env, argv) => ({
           },
         ],
       },
+      {
+        test: /\.css$/i,
+        use: [
+          'style-loader',
+          {
+            loader: 'css-loader',
+            options: {
+              importLoaders: 1,
+              modules: {
+                localIdentName:
+                  argv.mode === 'production'
+                    ? '[hash:base64]'
+                    : '[name]__[local]__[hash:base64]',
+              },
+            },
+          },
+          {
+            loader: 'postcss-loader',
+            options: {
+              postcssOptions: {
+                plugins: ['postcss-preset-env'],
+              },
+            },
+          },
+        ],
+      },
       {
         test: [/\.svg$/, /\.bmp$/, /\.gif$/, /\.jpe?g$/, /\.png$/, /\.woff2?$/],
         use: [