add broker

broker/src/ScreenSize.ts

@@ -0,0 +1,16 @@
+
+
+export function getDeviceFromScreenSize(width: number, height: number) {
+    const totalArea = width * height;
+
+    const mobileArea = 375 * 667;
+    const tabletMinArea = 768 * 1366
+    const tabletMaxArea = 1024 * 1366
+
+    const isMobile = totalArea <= mobileArea;
+    const isTablet = totalArea >= tabletMinArea && totalArea <= tabletMaxArea;
+
+    if (isMobile) return 'mobile';
+    if (isTablet) return 'tablet'
+    return 'desktop';
+}