Update AppImage

AppImage/lib/format-network.ts

@@ -0,0 +1,67 @@
+/**
+ * Utility functions for formatting network traffic data
+ * Supports conversion between Bytes and Bits based on user preferences
+ */
+
+export type NetworkUnit = 'Bytes' | 'Bits';
+
+/**
+ * Format network traffic value with appropriate unit
+ * @param bytes - Value in bytes
+ * @param unit - Target unit ('Bytes' or 'Bits')
+ * @param decimals - Number of decimal places (default: 2)
+ * @returns Formatted string with value and unit
+ */
+export function formatNetworkTraffic(
+  bytes: number,
+  unit: NetworkUnit = 'Bytes',
+  decimals: number = 2
+): string {
+  if (bytes === 0) return unit === 'Bits' ? '0 b' : '0 B';
+
+  const k = unit === 'Bits' ? 1000 : 1024;
+  const dm = decimals < 0 ? 0 : decimals;
+  
+  // For Bits: convert bytes to bits first (multiply by 8)
+  const value = unit === 'Bits' ? bytes * 8 : bytes;
+  
+  const sizes = unit === 'Bits' 
+    ? ['b', 'Kb', 'Mb', 'Gb', 'Tb', 'Pb']
+    : ['B', 'KB', 'MB', 'GB', 'TB', 'PB'];
+
+  const i = Math.floor(Math.log(value) / Math.log(k));
+  const formattedValue = parseFloat((value / Math.pow(k, i)).toFixed(dm));
+
+  return `${formattedValue} ${sizes[i]}`;
+}
+
+/**
+ * Get the current network unit preference from localStorage
+ * @returns 'Bytes' or 'Bits'
+ */
+export function getNetworkUnit(): NetworkUnit {
+  if (typeof window === 'undefined') return 'Bytes';
+  
+  const stored = localStorage.getItem('networkUnit');
+  return stored === 'Bits' ? 'Bits' : 'Bytes';
+}
+
+/**
+ * Get the label for network traffic based on current unit
+ * @param direction - 'received' or 'sent'
+ * @returns Label string
+ */
+export function getNetworkLabel(direction: 'received' | 'sent'): string {
+  const unit = getNetworkUnit();
+  const prefix = direction === 'received' ? 'Received' : 'Sent';
+  return unit === 'Bits' ? `${prefix}` : `${prefix}`;
+}
+
+/**
+ * Get the unit suffix for displaying in charts
+ * @returns Unit suffix string (e.g., 'GB' or 'Gb')
+ */
+export function getNetworkUnitSuffix(): string {
+  const unit = getNetworkUnit();
+  return unit === 'Bits' ? 'b' : 'B';
+}