npm run dev:all :)

script/build.js

@@ -0,0 +1,53 @@
+/**
+ * electron 打包
+ */
+const path = require('path');
+const rollup = require('rollup');
+const argv = require('minimist')(process.argv.slice(2));
+const chalk = require('chalk');
+const ora = require('ora');
+const waitOn = require('wait-on');
+const electron = require('electron-connect').server.create({ stopOnClose: true });
+require('dotenv').config({ path: path.join(__dirname, '../.env') })
+const options = require('./rollup.config');
+
+const opt = options(argv.env);
+const TAG = '[script/build.js]';
+const spinner = ora(`${TAG} Electron build...`);
+
+if (argv.watch) {
+  waitOn({
+    resources: [`http://localhost:${process.env.PORT}`],
+    log: false,
+  }, err => {
+    if (err) {
+      console.log(err);
+      process.exit(1);
+    }
+
+    // once here, all resources are available
+    const watcher = rollup.watch(opt);
+    watcher.on('change', filename => {
+      const log = chalk.green(`change -- ${filename}`);
+      console.log(TAG, log);
+    });
+    watcher.on('event', ev => {
+      if (ev.code === 'END') {
+        // init-未启动、started-第一次启动、restarted-重新启动
+        electron.electronState === 'init' ? electron.start() : electron.restart();
+      }
+    });
+  });
+} else {
+  spinner.start();
+  rollup.rollup(opt)
+    .then(build => {
+      spinner.stop();
+      console.log(TAG, chalk.green('Electron build successed.'));
+      build.write(opt.output);
+    })
+    .catch(error => {
+      spinner.stop();
+      console.log(`\n${TAG} ${chalk.red('构建报错')}\n`, error, '\n');
+    });
+}

script/rollup.config.js

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+const path = require('path');
+const { nodeResolve } = require('@rollup/plugin-node-resolve');
+const commonjs = require('@rollup/plugin-commonjs');
+const typescript = require('@rollup/plugin-typescript');
+
+module.exports = (env = 'production') => {
+  return {
+    input: path.join(__dirname, '../src/main/index.ts'),
+    output: {
+      file: path.join(__dirname, '../src/main/_.js'),
+      format: 'cjs',
+      name: 'ElectronMainBundle',
+      sourcemap: true,
+    },
+    plugins: [
+      nodeResolve({ jsnext: true, preferBuiltins: true, browser: true }), // 消除碰到 node.js 模块时⚠警告
+      commonjs(),
+      typescript(),
+    ],
+    external: [
+      'fs',
+      'path',
+      'electron',
+      'electron-is-dev',
+    ],
+  }
+};