build.js

const builder = require('electron-builder')
const nodeFetch = require('node-fetch')
const fs = require('fs')
const png2icons = require('png2icons')
const Jimp = require('jimp')
const { preductname } = require('./package.json')

class Index {
	async build() {
		builder
			.build({
				config: {
					generateUpdatesFilesForAllChannels: false,
					appId: preductname,
					productName: preductname,
					artifactName: '${productName}-${os}-${arch}.${ext}',
					files: ['src/**/*', 'package.json', 'LICENSE.md'],
					extraResources: [
						{
							from: 'src/libraries',
							to: 'libraries',
						},
					],
					directories: { output: 'dist' },
					compression: 'maximum',
					asar: true,
					publish: [
						{
							provider: 'github',
							releaseType: 'release',
						},
					],
					win: {
						icon: './src/assets/images/icon.ico',
						target: [
							{
								target: 'nsis',
								arch: ['x64'],
							},
						],
					},
					nsis: {
						oneClick: true,
						allowToChangeInstallationDirectory: false,
						createDesktopShortcut: true,
						runAfterFinish: true,
					},
					mac: {
						icon: './src/assets/images/icon.icns',
						category: 'public.app-category.games',
						target: [
							{
								target: 'dmg',
								arch: ['x64', 'arm64'],
							},
						],
					},
					linux: {
						icon: './src/assets/images/icon.png',
						target: [
							{
								target: 'AppImage',
								arch: ['x64'],
							},
							{
								target: 'tar.gz',
								arch: ['x64'],
							},
						],
					},
				},
			})
			.then(() => {
				console.log('La compilación ha sido compilada')
			})
			.catch((err) => {
				console.error('Se ha producido un error al comipar: ', err)
			})
	}

	async iconSet(url) {
		let Buffer = await nodeFetch(url)
		if (Buffer.status == 200) {
			Buffer = await Buffer.buffer()
			const image = await Jimp.read(Buffer)
			Buffer = await image.resize(256, 256).getBufferAsync(Jimp.MIME_PNG)
			fs.writeFileSync(
				'src/assets/images/icon.icns',
				png2icons.createICNS(Buffer, png2icons.BILINEAR, 0)
			)
			fs.writeFileSync(
				'src/assets/images/icon.ico',
				png2icons.createICO(Buffer, png2icons.HERMITE, 0, false)
			)
			fs.writeFileSync('src/assets/images/icon.png', Buffer)
		} else {
			console.log('connection error')
		}
	}
}

process.argv.forEach((val) => {
	if (val.startsWith('--icon')) {
		return new Index().iconSet(val.split('=')[1])
	} else if (val.startsWith('--build')) {
		new Index().build()
	}
})