🔨 initiated Parcel bundling script

Signed-off-by: Marc Nuri <[email protected]>

.gitignore

@@ -1,6 +1,8 @@
 /.idea
+/.parcel-cache
 /coverage
 /dist
 /node_modules
+/build
 
 *.nupkg

package.json

@@ -7,11 +7,15 @@
     "electronim": "bin.js"
   },
   "scripts": {
-    "pretest": "eslint --ignore-path .gitignore .",
-    "start": "electron .",
+    "pretest": "eslint --ignore-path .gitignore . && node parcel.js",
     "test": "jest --coverage",
+    "prestart": "node parcel.js",
+    "start": "electron .",
+    "prebuild:linux": "",
     "build:linux": "electron-builder --linux",
+    "prebuild:mac": "node parcel.js",
     "build:mac": "electron-builder --mac",
+    "prebuild:win": "node parcel.js",
     "build:win": "electron-builder --win"
   },
   "publishConfig": {

parcel.js

@@ -0,0 +1,82 @@
+#!/usr/bin/env node
+/*
+   Copyright 2022 Marc Nuri San Felix
+
+   Licensed under the Apache License, Version 2.0 (the "License");
+   you may not use this file except in compliance with the License.
+   You may obtain a copy of the License at
+
+       http://www.apache.org/licenses/LICENSE-2.0
+
+   Unless required by applicable law or agreed to in writing, software
+   distributed under the License is distributed on an "AS IS" BASIS,
+   WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
+   See the License for the specific language governing permissions and
+   limitations under the License.
+ */
+/* eslint-disable no-console */
+const {Parcel} = require('@parcel/core');
+const fsp = require('fs/promises');
+const fs = require('fs');
+const path = require('path');
+const BUILD_DIR = 'build';
+const BUNDLES_DIR = 'bundles';
+const CACHE_DIR = '.parcel-cache';
+const ENTRIES = [
+  'src/chrome-tabs/preload.js',
+  'src/help/preload.js',
+  'src/main/preload.js',
+  'src/settings/preload.js',
+  'src/tab-manager/preload.js'
+];
+
+const parcel = new Parcel({
+  entries: ENTRIES,
+  defaultConfig: '@parcel/config-default',
+  mode: 'development',
+  resolvers: [],
+  targets: {
+    module: {
+      // BROWSER ----
+      // context: 'browser',
+      // includeNodeModules: false,
+      // outputFormat: 'global',
+      // NODE ----
+      context: 'electron-renderer',
+      // context: 'electron-main',
+      // context: 'node',
+      outputFormat: 'commonjs',
+      sourceMap: false,
+      distDir: `${BUILD_DIR}/${BUNDLES_DIR}`,
+      optimize: false,
+      scopeHoist: false
+    }
+  }
+});
+
+const exec = async () => {
+  console.warn('This bundled output of this script is not used.');
+  console.warn('The script purpose is to experiment bundling preload scripts');
+  console.log('Starting Parcel bundling process...');
+  await Promise.all(ENTRIES.map(entry => fsp.access(path.resolve(__dirname, entry), fs.constants.R_OK)));
+  const cacheDir = path.resolve(__dirname, CACHE_DIR);
+  const buildDir = path.resolve(__dirname, BUILD_DIR);
+  await Promise.all([cacheDir, buildDir].map(dir => fsp.rm(dir, {recursive: true, force: true})));
+  console.log('Cleaned previous build...');
+  const {bundleGraph, buildTime} = await parcel.run();
+  console.log(`Parcel bundling completed in ${buildTime}ms`);
+  console.log('Generated the following bundles:');
+  bundleGraph.getBundles()
+    .map(bundle => path.relative(__dirname, bundle.filePath))
+    .forEach(file => console.log(` - ${file}`));
+};
+
+exec()
+  .then(() => {
+    process.exit(0);
+  })
+  .catch(err => {
+    console.error('Error while creating Parcel bundles');
+    console.error(err);
+    process.exit(1);
+  });