Copying a URL shows a qr code window

Author: lucsoft

.gitignore

@@ -0,0 +1,3 @@
+node_modules
+dist
+desktop-assistant*

main.js

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+const { app, BrowserWindow, screen, nativeTheme, clipboard } = require('electron')
+const path = require('path')
+const exec = require('child_process').exec;
+
+function createWindow()
+{
+    let display = screen.getPrimaryDisplay();
+    let width = display.bounds.width;
+
+    const mainWindow = new BrowserWindow({
+        width: 200,
+        height: 200,
+        maxWidth: 325,
+        maxHeight: 350,
+        minimizable: false,
+        maximizable: false,
+        minHeight: 200,
+        minWidth: 200,
+        alwaysOnTop: true,
+        x: width - 200,
+        y: 0,
+        skipTaskbar: true,
+        show: false
+    })
+
+    if (process.argv[ 2 ] === "--dev")
+    {
+        exec('npm run start:only', (e, d, t) => console.log(e, d, t));
+        mainWindow.loadURL(`http://localhost:8080`);
+    }
+    else
+        mainWindow.loadFile(`./dist/index.html`)
+
+    let board = "";
+    setInterval(function ()
+    {
+        mainWindow.setAlwaysOnTop(true);
+    }, 1);
+    setInterval(() =>
+    {
+        // lucsoft.de
+        const newBoard = clipboard.readText();
+
+        if (newBoard !== board)
+        {
+            board = newBoard;
+            if (validURL(newBoard))
+            {
+                mainWindow.webContents.executeJavaScript(`updateQRCode("${newBoard}")`);
+                mainWindow.show();
+                mainWindow.moveTop();
+            }
+        }
+
+    }, 100);
+    mainWindow.removeMenu();
+    mainWindow.on('close', (event) =>
+    {
+        mainWindow.hide();
+        event.preventDefault();
+    });
+}
+
+app.on('ready', createWindow)
+setInterval(() => { }, 1000);
+
+function validURL(str)
+{
+    var pattern = new RegExp('^(https?:\\/\\/)?' + // protocol
+        '((([a-z\\d]([a-z\\d-]*[a-z\\d])*)\\.)+[a-z]{2,5}|' + // domain name
+        '((\\d{1,3}\\.){3}\\d{1,3}))' + // OR ip (v4) address
+        '(\\:\\d+)?(\\/[-a-z\\d%_.~+]*)*' + // port and path
+        '(\\?[;&a-z\\d%_.~+=-]*)?' + // query string
+        '(\\#[-a-z\\d_]*)?$', 'i'); // fragment locator
+    return !!pattern.test(str);
+}