feat: initial commit

main.js

@@ -0,0 +1,85 @@
+const { program, InvalidOptionArgumentError } = require('commander')
+const { app, BrowserWindow } = require("electron")
+const fs = require('fs')
+const path = require('path')
+const { URL } = require('url')
+
+const defaults = {
+    URL: "http://localhost:3000/",
+    width: 800,
+    height: 600
+}
+
+const parseInteger = (value, dummyPrev) => {
+    const parsedValue = parseInt(value, 10)
+    if (isNaN(parsedValue)) {
+        throw new InvalidOptionArgumentError('not an integer number')
+    }
+    return parsedValue
+}
+
+program
+    .name('efw')
+    .description('electron-frameless-window')
+    .option("-w, --width <number>", "Window width", parseInteger, defaults.width)
+    .option("-h, --height <number>", "Window heigth", parseInteger, defaults.height)
+    .argument('[url]', 'URL to open in the window', defaults.URL)
+
+program.parse()
+
+const options = program.opts()
+
+const stringIsAValidUrl = (s, protocols) => {
+    try {
+        url = new URL(s);
+        return protocols
+            ? url.protocol
+                ? protocols.map(x => `${x.toLowerCase()}:`).includes(url.protocol)
+                : false
+            : true;
+    } catch (err) {
+        return false;
+    }
+}
+
+const createWindow = (url) => {
+    const win = new BrowserWindow({
+        width: options.width,
+        height: options.height,
+        frame: false,
+        resizable: false,
+        transparent: true
+    })
+
+    // when in trouble debug it!
+    // win.webContents.openDevTools({ mode: 'detach' })
+
+    console.log(`loading url: ${url}`)
+    win.loadURL(url)
+
+    win.webContents.on('dom-ready', () => {
+        win.webContents.insertCSS(fs.readFileSync(path.join(__dirname, 'index.css'), 'utf8'))
+        console.log('CSS injected')
+    })
+}
+
+app.whenReady().then(() => {
+    var url = defaults.URL
+    if (process.argv.length > 1 && process.argv[1] !== '.') {
+        url = process.argv[1]
+        if (!stringIsAValidUrl(url, ['http', 'https'])) {
+            console.error(`invalid url: ${url}`)
+            process.exit(1)
+            return
+        }
+    }
+    createWindow(url)
+
+    app.on('activate', () => {
+        if (BrowserWindow.getAllWindows().length == 0) createWindow()
+    })
+})
+
+app.on('window-all-closed', () => {
+    if (process.platform !== 'darwin') app.quit()
+})