tesseract worker restart to aviod memory leak

src/utils/utils.ts

@@ -36,6 +36,7 @@ export default {
     statFile: statFile,
     renameFile: renameFile,
     deleteDir: deleteDir,
+    formatBytes: formatBytes,
 }
 
 import fs from 'fs'
@@ -296,3 +297,15 @@ function renameFile(oldPath: string, newPath: string): string {
         return null
     }
 }
+
+function formatBytes(number: number, unit: 'MB' | 'GB' = 'MB'): string {
+    let res = number / 1024 / 1024 // MB
+    if (unit === 'MB') {
+        return `${res} MB`
+    }
+    res = res / 1024
+    if (unit === 'GB') {
+        return `${res} GB`
+    }
+    return `${number} byte`
+}