fix: lack of auto-cleaning mechanism for logs (janhq#2003)

electron/main.ts

@@ -26,6 +26,7 @@ import { cleanUpAndQuit } from './utils/clean'
 import { setupExtensions } from './utils/extension'
 import { setupCore } from './utils/setup'
 import { setupReactDevTool } from './utils/dev'
+import { cleanLogs } from './utils/log'
 
 app
   .whenReady()
@@ -45,6 +46,7 @@ app
       }
     })
   })
+  .then(() => cleanLogs())
 
 app.once('window-all-closed', () => {
   cleanUpAndQuit()

electron/utils/log.ts

@@ -0,0 +1,67 @@
+import { getJanDataFolderPath } from '@janhq/core/node'
+import * as fs from 'fs'
+import * as path from 'path'
+
+export function cleanLogs(
+  maxFileSizeBytes?: number | undefined,
+  daysToKeep?: number | undefined,
+  delayMs?: number | undefined
+): void {
+  const size = maxFileSizeBytes ?? 1 * 1024 * 1024 // 1 MB
+  const days = daysToKeep ?? 7 // 7 days
+  const delays = delayMs ?? 10000 // 10 seconds
+  const logDirectory = path.join(getJanDataFolderPath(), 'logs')
+
+  // Perform log cleaning
+  const currentDate = new Date()
+  fs.readdir(logDirectory, (err, files) => {
+    if (err) {
+      console.error('Error reading log directory:', err)
+      return
+    }
+
+    files.forEach((file) => {
+      const filePath = path.join(logDirectory, file)
+      fs.stat(filePath, (err, stats) => {
+        if (err) {
+          console.error('Error getting file stats:', err)
+          return
+        }
+
+        // Check size
+        if (stats.size > size) {
+          fs.unlink(filePath, (err) => {
+            if (err) {
+              console.error('Error deleting log file:', err)
+              return
+            }
+            console.log(
+              `Deleted log file due to exceeding size limit: ${filePath}`
+            )
+          })
+        } else {
+          // Check age
+          const creationDate = new Date(stats.ctime)
+          const daysDifference = Math.floor(
+            (currentDate.getTime() - creationDate.getTime()) /
+              (1000 * 3600 * 24)
+          )
+          if (daysDifference > days) {
+            fs.unlink(filePath, (err) => {
+              if (err) {
+                console.error('Error deleting log file:', err)
+                return
+              }
+              console.log(`Deleted old log file: ${filePath}`)
+            })
+          }
+        }
+      })
+    })
+  })
+
+  // Schedule the next execution with doubled delays
+  setTimeout(() => {
+    cleanLogs(maxFileSizeBytes, daysToKeep, delays * 2)
+  }, delays)
+}