webpack.config.renderer.dev.js

/* eslint global-require: 0, import/no-dynamic-require: 0 */

/**
 * Build config for development electron renderer process that uses
 * Hot-Module-Replacement
 *
 * https://webpack.js.org/concepts/hot-module-replacement/
 */

import path from 'path';
import fs from 'fs';
import webpack from 'webpack';
import chalk from 'chalk';
import merge from 'webpack-merge';
import { spawn, execSync } from 'child_process';
import baseConfig from './webpack.config.base';
import CheckNodeEnv from './internals/scripts/CheckNodeEnv';

CheckNodeEnv('development');

const port = process.env.PORT || 1212;
const publicPath = `http://localhost:${port}/dist`;
const dll = path.resolve(process.cwd(), 'dll');
const manifest = path.resolve(dll, 'renderer.json');
const requiredByDLLConfig = module.parent.filename.includes(
    'webpack.config.renderer.dev.dll',
);

/**
 * Warn if the DLL is not built
 */
if (!requiredByDLLConfig && !(fs.existsSync(dll) && fs.existsSync(manifest))) {
    console.log(
        chalk.black.bgYellow.bold(
            'The DLL files are missing. Sit back while we build them for you with "yarn build-dll"',
        ),
    );
    execSync('yarn build-dll');
}

export default merge.smart(baseConfig, {
    devtool: 'inline-source-map',

    mode: 'development',

    target: 'electron-renderer',

    entry: [
        'babel-polyfill',
        'react-hot-loader/patch',
        `webpack-dev-server/client?http://localhost:${port}/`,
        'webpack/hot/only-dev-server',
        path.join(__dirname, 'app/index.js'),
    ],

    output: {
        publicPath: `http://localhost:${port}/dist/`,
        filename: 'renderer.dev.js',
    },

    module: {
        rules: [
            {
                test: /\.jsx?$/,
                exclude: /node_modules/,
                use: {
                    loader: 'babel-loader',
                    options: {
                        cacheDirectory: true,
                    },
                },
            },
            {
                test: /\.global\.css$/,
                use: [
                    {
                        loader: 'style-loader',
                    },
                    {
                        loader: 'css-loader',
                        options: {
                            sourceMap: true,
                        },
                    },
                ],
            },
            {
                test: /^((?!\.global).)*\.css$/,
                use: [
                    {
                        loader: 'style-loader',
                    },
                    {
                        loader: 'css-loader',
                        options: {
                            modules: true,
                            sourceMap: true,
                            importLoaders: 1,
                            localIdentName: '[name]__[local]__[hash:base64:5]',
                        },
                    },
                ],
            },
            // SASS support - compile all .global.scss files and pipe it to style.css
            {
                test: /\.global\.(scss|sass)$/,
                use: [
                    {
                        loader: 'style-loader',
                    },
                    {
                        loader: 'css-loader',
                        options: {
                            sourceMap: true,
                        },
                    },
                    {
                        loader: 'sass-loader',
                    },
                ],
            },
            // SASS support - compile all other .scss files and pipe it to style.css
            {
                test: /^((?!\.global).)*\.(scss|sass)$/,
                use: [
                    {
                        loader: 'style-loader',
                    },
                    {
                        loader: 'css-loader',
                        options: {
                            modules: true,
                            sourceMap: true,
                            importLoaders: 1,
                            localIdentName: '[name]__[local]__[hash:base64:5]',
                        },
                    },
                    {
                        loader: 'sass-loader',
                    },
                ],
            },
            // Less
            {
                test: /\.less$/,
                use: [
                    {
                        loader: 'style-loader',
                        options: {
                            sourceMap: true,
                        },
                    }, {
                        loader: 'css-loader',
                        options: {
                            sourceMap: true,
                        },
                    }, {
                        loader: 'less-loader',
                        options: {
                            sourceMap: true,
                            javascriptEnabled: true,
                        },
                    },
                ],
            },
            // WOFF Font
            {
                test: /\.woff(\?v=\d+\.\d+\.\d+)?$/,
                use: {
                    loader: 'url-loader',
                    options: {
                        limit: 10000,
                        mimetype: 'application/font-woff',
                    },
                },
            },
            // WOFF2 Font
            {
                test: /\.woff2(\?v=\d+\.\d+\.\d+)?$/,
                use: {
                    loader: 'url-loader',
                    options: {
                        limit: 10000,
                        mimetype: 'application/font-woff',
                    },
                },
            },
            // TTF Font
            {
                test: /\.ttf(\?v=\d+\.\d+\.\d+)?$/,
                use: {
                    loader: 'url-loader',
                    options: {
                        limit: 10000,
                        mimetype: 'application/octet-stream',
                    },
                },
            },
            // EOT Font
            {
                test: /\.eot(\?v=\d+\.\d+\.\d+)?$/,
                use: 'file-loader',
            },
            // SVG Font
            {
                test: /\.svg(\?v=\d+\.\d+\.\d+)?$/,
                use: {
                    loader: 'url-loader',
                    options: {
                        limit: 10000,
                        mimetype: 'image/svg+xml',
                    },
                },
            },
            // Common Image Formats
            {
                test: /\.(?:ico|gif|png|jpg|jpeg|webp)$/,
                use: 'url-loader',
            },
        ],
    },

    plugins: [
        requiredByDLLConfig
            ? null
            : new webpack.DllReferencePlugin({
                context: process.cwd(),
                manifest: require(manifest),
                sourceType: 'var',
            }),

        new webpack.HotModuleReplacementPlugin({
            multiStep: true,
        }),

        new webpack.NoEmitOnErrorsPlugin(),

        /**
         * Create global constants which can be configured at compile time.
         *
         * Useful for allowing different behaviour between development builds and
         * release builds
         *
         * NODE_ENV should be production so that modules do not perform certain
         * development checks
         *
         * By default, use 'development' as NODE_ENV. This can be overriden with
         * 'staging', for example, by changing the ENV variables in the npm scripts
         */
        new webpack.EnvironmentPlugin({
            NODE_ENV: 'development',
        }),

        new webpack.LoaderOptionsPlugin({
            debug: true,
        }),
    ],

    node: {
        __dirname: false,
        __filename: false,
    },

    devServer: {
        port,
        publicPath,
        compress: true,
        noInfo: true,
        stats: 'errors-only',
        inline: true,
        lazy: false,
        hot: true,
        headers: { 'Access-Control-Allow-Origin': '*' },
        contentBase: path.join(__dirname, 'dist'),
        watchOptions: {
            aggregateTimeout: 300,
            ignored: /node_modules/,
            poll: 100,
        },
        historyApiFallback: {
            verbose: true,
            disableDotRule: false,
        },
        before() {
            if (process.env.START_HOT) {
                console.log('Starting Main Process...');
                spawn('npm', ['run', 'start-main-dev'], {
                    shell: true,
                    env: process.env,
                    stdio: 'inherit',
                })
                    .on('close', code => process.exit(code))
                    .on('error', spawnError => console.error(spawnError));
            }
        },
    },
});