support for scss modules

.editorconfig

@@ -9,5 +9,5 @@ insert_final_newline = true
 charset = utf-8
 trim_trailing_whitespace = true
 
-[*.css]
+[*.css,*.scss]
 indent_size = 4

.stylelintrc

@@ -1,6 +1,7 @@
 {
   "extends": [
     "stylelint-config-standard",
+    "stylelint-config-css-modules",
     "./node_modules/prettier-stylelint/config.js"
   ],
   "rules": {

package.json

@@ -7,7 +7,7 @@
   "scripts": {
     "test": "eslint ./src/**/*.{js,jsx} && stylelint ./src/**/*.css",
     "start": "webpack-dev-server --hot --host 0.0.0.0 --config=./webpack.dev.config.js",
-    "build": "webpack --mode production --config webpack.common.config.js",
+    "build": "cross-env NODE_ENV=production webpack --config webpack.common.config.js",
     "package": "electron-builder build -mwl && open ./dist",
     "dist": "rm -rf {dist,build}/ && npm run build && npm run package",
     "release": "release-it --non-interactive"
@@ -38,6 +38,7 @@
     "babel-eslint": "^10.0.1",
     "babel-loader": "^8.0.6",
     "copy-webpack-plugin": "^5.0.3",
+    "cross-env": "^5.2.0",
     "css-loader": "^2.1.1",
     "electron": "^5.0.2",
     "electron-builder": "^20.43.0",
@@ -48,14 +49,18 @@
     "eslint-plugin-react": "^7.13.0",
     "file-loader": "^3.0.1",
     "html-webpack-plugin": "^3.2.0",
+    "mini-css-extract-plugin": "^0.7.0",
+    "node-sass": "^4.12.0",
     "prettier": "^1.17.1",
     "prettier-stylelint": "^0.4.2",
     "react": "^16.8.6",
     "react-dom": "^16.8.6",
     "react-pose": "^4.0.8",
     "release-it": "^12.2.2",
+    "sass-loader": "^7.1.0",
     "style-loader": "^0.23.1",
     "stylelint": "^10.0.1",
+    "stylelint-config-css-modules": "^1.4.0",
     "stylelint-config-standard": "^18.3.0",
     "webpack": "^4.33.0",
     "webpack-cli": "^3.3.2",

src/renderer/components/Balance.jsx

@@ -3,7 +3,7 @@ import PropTypes from 'prop-types'
 import posed, { PoseGroup } from 'react-pose'
 import { AppContext } from '../store/createContext'
 import { cryptoFormatter } from '../../utils'
-import './Balance.css'
+import styles from './Balance.module.scss'
 import { fadeIn } from './Animations'
 
 const Animation = posed.h1(fadeIn)
@@ -21,7 +21,7 @@ export default class Balance extends PureComponent {
 
     return (
       <PoseGroup animateOnMount>
-        <Animation key={currency} className="number">
+        <Animation key={currency} className={styles.number}>
           {cryptoFormatter(balance[currency], currency)}
         </Animation>
       </PoseGroup>

src/renderer/components/Balance.module.scss

@@ -6,6 +6,10 @@
     display: inline-block;
     padding: 0 .3rem;
     border-radius: 4px;
+
+    :global(.number-unit--main) & {
+        font-size: 2.5rem;
+    }
 }
 
 .updated {

src/renderer/components/Spinner.css

@@ -1,28 +0,0 @@
-.spinner {
-    position: relative;
-    text-align: center;
-    margin: auto;
-    width: 100%;
-}
-
-.spinner::before {
-    content: '';
-    box-sizing: border-box;
-    position: absolute;
-    top: 0;
-    left: 50%;
-    width: 20px;
-    height: 20px;
-    margin-top: -20px;
-    margin-left: -10px;
-    border-radius: 50%;
-    border: 2px solid #7b1173;
-    border-top-color: #e000cf;
-    animation: spinner .6s linear infinite;
-}
-
-@keyframes spinner {
-    to {
-        transform: rotate(360deg);
-    }
-}

src/renderer/components/Spinner.jsx

@@ -1,5 +1,6 @@
 import React from 'react'
-import './Spinner.css'
-const Spinner = () => <div className="spinner" />
+import styles from './Spinner.module.scss'
+
+const Spinner = () => <div className={styles.spinner} />
 
 export default Spinner

src/renderer/components/Spinner.module.scss

@@ -0,0 +1,28 @@
+.spinner {
+    position: relative;
+    text-align: center;
+    margin: auto;
+    width: 100%;
+
+    &::before {
+        content: '';
+        box-sizing: border-box;
+        position: absolute;
+        top: 0;
+        left: 50%;
+        width: 20px;
+        height: 20px;
+        margin-top: -20px;
+        margin-left: -10px;
+        border-radius: 50%;
+        border: 2px solid #7b1173;
+        border-top-color: #e000cf;
+        animation: spinner .6s linear infinite;
+    }
+}
+
+@keyframes spinner {
+    to {
+        transform: rotate(360deg);
+    }
+}

src/renderer/components/Titlebar.css

@@ -1,48 +0,0 @@
-.titlebar {
-    position: fixed;
-    width: 100%;
-    height: 35px;
-    line-height: 35px;
-    text-align: center;
-    user-select: none;
-    background: linear-gradient(to top, #ccc 0%, #d6d6d6 1px, #ebebeb 100%);
-    box-shadow: inset 0 1px 0 rgba(255, 255, 255, .5);
-    transition: opacity .15s ease-out;
-}
-
-.dark .titlebar {
-    background: linear-gradient(to top, #141416 0%, #38383c 1px, #3f3f44 100%);
-    box-shadow: none;
-}
-
-.fullscreen .titlebar {
-    opacity: 0;
-}
-
-.blur .titlebar {
-    background: #f6f6f6;
-}
-
-.blur.dark .titlebar {
-    background: linear-gradient(to top, #141416 0%, #2d2a32 1px, #2d2a32 100%);
-}
-
-.header-title {
-    line-height: 35px;
-    height: 35px;
-    font-weight: 400;
-    font-size: 13px;
-    color: #555;
-}
-
-.dark .header-title {
-    color: #b6b3ba;
-}
-
-.blur .header-title {
-    color: #b6b6b6;
-}
-
-.blur.dark .header-title {
-    color: #67666e;
-}

src/renderer/components/Titlebar.jsx

@@ -1,10 +1,10 @@
-import './Titlebar.css'
 import React from 'react'
 import pkg from '../../../package.json'
+import styles from './Titlebar.module.scss'
 
 const Titlebar = () => (
-  <header className="titlebar">
-    <span className="header-title">{pkg.productName}</span>
+  <header className={styles.titlebar}>
+    <span className={styles.titlebarTitle}>{pkg.productName}</span>
   </header>
 )
 

src/renderer/components/Titlebar.module.scss

@@ -0,0 +1,58 @@
+.titlebar {
+    position: fixed;
+    width: 100%;
+    height: 35px;
+    line-height: 35px;
+    text-align: center;
+    user-select: none;
+    background: linear-gradient(to top, #ccc 0%, #d6d6d6 1px, #ebebeb 100%);
+    box-shadow: inset 0 1px 0 rgba(255, 255, 255, .5);
+    transition: opacity .15s ease-out;
+
+    :global(.dark) & {
+        background: linear-gradient(
+            to top,
+            #141416 0%,
+            #38383c 1px,
+            #3f3f44 100%
+        );
+        box-shadow: none;
+    }
+
+    :global(.fullscreen) & {
+        opacity: 0;
+    }
+
+    :global(.blur) & {
+        background: #f6f6f6;
+    }
+
+    :global(.blur.dark) & {
+        background: linear-gradient(
+            to top,
+            #141416 0%,
+            #2d2a32 1px,
+            #2d2a32 100%
+        );
+    }
+}
+
+.titlebarTitle {
+    line-height: 35px;
+    height: 35px;
+    font-weight: 400;
+    font-size: 13px;
+    color: #555;
+
+    :global(.dark) & {
+        color: #b6b3ba;
+    }
+
+    :global(.blur) & {
+        color: #b6b6b6;
+    }
+
+    :global(.blur.dark) & {
+        color: #67666e;
+    }
+}

src/renderer/components/Welcome.css

@@ -1,18 +0,0 @@
-.welcome {
-    width: 100%;
-    height: 100%;
-    text-align: center;
-    margin-top: 2rem;
-}
-
-.welcome svg {
-    display: block;
-    width: 5rem;
-    height: 5rem;
-    margin: 0 auto 2rem auto;
-    fill: #e2e2e2;
-}
-
-.dark .welcome svg {
-    fill: #41474e;
-}

src/renderer/components/Welcome.jsx

@@ -1,11 +1,11 @@
 import React from 'react'
 import { Link } from '@reach/router'
 import IconRocket from '../images/rocket.svg'
-import './Welcome.css'
+import styles from './Welcome.module.scss'
 import { AppContext } from '../store/createContext'
 
 const Welcome = () => (
-  <div className="welcome">
+  <div className={styles.welcome}>
     <IconRocket />
     <AppContext.Consumer>
       {context => (

src/renderer/components/Welcome.module.scss

@@ -0,0 +1,18 @@
+.welcome {
+    width: 100%;
+    height: 100%;
+    text-align: center;
+    margin-top: 2rem;
+
+    svg {
+        display: block;
+        width: 5rem;
+        height: 5rem;
+        margin: 0 auto 2rem auto;
+        fill: #e2e2e2;
+    }
+
+    :global(.dark) & svg {
+        fill: #41474e;
+    }
+}

src/renderer/screens/Home.css

@@ -59,7 +59,3 @@
 .dark .number-unit--main {
     border-bottom-color: #303030;
 }
-
-.number-unit--main .number {
-    font-size: 2.5rem;
-}

webpack.common.config.js

@@ -1,27 +1,67 @@
 const path = require('path')
 const HtmlWebpackPlugin = require('html-webpack-plugin')
 const CopyPlugin = require('copy-webpack-plugin')
+const MiniCssExtractPlugin = require('mini-css-extract-plugin')
 
 const defaultInclude = [path.resolve(__dirname, 'src', 'renderer')]
 
+const isDevelopment = process.env.NODE_ENV !== 'production'
+
 module.exports = {
+  mode: isDevelopment ? 'development' : 'production',
   entry: path.resolve(__dirname, 'src', 'renderer', 'index.js'),
   output: {
     path: path.resolve(__dirname, 'build'),
     filename: 'bundle.js',
-    publicPath: './'
+    publicPath: isDevelopment ? '/' : './'
   },
   module: {
     rules: [
+      {
+        test: /\.(js|jsx)?$/,
+        use: ['babel-loader'],
+        include: defaultInclude
+      },
       {
         test: /\.css$/,
         use: ['style-loader', 'css-loader'],
         include: defaultInclude
       },
       {
-        test: /\.(js|jsx)?$/,
-        use: ['babel-loader'],
-        include: defaultInclude
+        test: /\.module\.(scss|sass)$/,
+        include: defaultInclude,
+        loader: [
+          isDevelopment ? 'style-loader' : MiniCssExtractPlugin.loader,
+          {
+            loader: 'css-loader',
+            options: {
+              modules: true,
+              localIdentName: '[name]__[local]___[hash:base64:5]',
+              camelCase: true,
+              sourceMap: isDevelopment
+            }
+          },
+          {
+            loader: 'sass-loader',
+            options: {
+              sourceMap: isDevelopment
+            }
+          }
+        ]
+      },
+      {
+        test: /\.(scss|sass)$/,
+        exclude: /\.module.(scss|sass)$/,
+        loader: [
+          isDevelopment ? 'style-loader' : MiniCssExtractPlugin.loader,
+          'css-loader',
+          {
+            loader: 'sass-loader',
+            options: {
+              sourceMap: isDevelopment
+            }
+          }
+        ]
       },
       {
         test: /\.(jpe?g|png|gif)$/,
@@ -36,11 +76,15 @@ module.exports = {
     ]
   },
   resolve: {
-    extensions: ['*', '.js', '.jsx']
+    extensions: ['*', '.js', '.jsx', '.scss']
   },
   target: 'electron-renderer',
   plugins: [
     new HtmlWebpackPlugin(),
+    new MiniCssExtractPlugin({
+      filename: isDevelopment ? '[name].css' : '[name].[hash].css',
+      chunkFilename: isDevelopment ? '[id].css' : '[id].[hash].css'
+    }),
     new CopyPlugin([
       { from: './src/renderer/images/icon.*', to: './', flatten: true }
     ])

webpack.dev.config.js

@@ -3,12 +3,6 @@ const common = require('./webpack.common.config')
 const { spawn } = require('child_process')
 
 module.exports = Object.assign({}, common, {
-  mode: 'development',
-  output: {
-    path: path.resolve(__dirname, 'build'),
-    filename: 'bundle.js',
-    publicPath: '/'
-  },
   devtool: 'cheap-source-map',
   devServer: {
     contentBase: path.resolve(__dirname, 'build'),