Fix image convert issue

bin/convert.js

@@ -4,7 +4,7 @@ const { createConverter } = require('convert-svg-to-png')
 const terminalOverwrite = require('terminal-overwrite')
 
 // Fix memoryleak warning
-const maxConvertProcesses = 50
+const maxConvertProcesses = 1
 process.setMaxListeners(maxConvertProcesses + 1)
 
 const appPaths = () => {
@@ -71,12 +71,6 @@ function checkIfFile(filePath) {
   return fs.statSync(filePath).isFile()
 }
 
-function diffFiles(fileOne, fileTwo) {
-  const f1 = fs.readFileSync(fileOne)
-  const f2 = fs.readFileSync(fileTwo)
-  return f1.equals(f2)
-}
-
 function dateModified(file) {
   return fs.statSync(file).mtime
 }
@@ -84,11 +78,9 @@ function dateModified(file) {
 function dateDiff(file) {
   const now = new Date().getTime()
   const then = dateModified(file).getTime()
-  return Math.round(Math.abs((then - now) / 86400000))
+  return Math.round(Math.abs(((then - now) / 1000) * 60 * 60 * 24))
 }
 
-const converter = createConverter()
-
 ;(async () => {
   // Main script
   const files = fs.readdirSync(appPaths().iconPath)
@@ -96,6 +88,8 @@ const converter = createConverter()
   const batchNum = Math.ceil(totalFiles / maxConvertProcesses)
   let batchCount = 1
 
+  const converter = createConverter()
+
   do {
     const percentComplete = `${
       100 - Math.round((100 / totalFiles) * files.length)
@@ -106,76 +100,67 @@ const converter = createConverter()
 
     await Promise.all(
       files.splice(0, maxConvertProcesses).map(async (fileName) => {
-        const image = {
-          id: fileName,
-          path: `${appPaths().iconPath}/${fileName}`,
-          convertPath: getConvertFileName(fileName),
-          /**
-           * Convert SVG to PNG and copy to new folder.
-           */
-          async convertAndCopy() {
+        const path = `${appPaths().iconPath}/${fileName}`
+        const outputFilePath = getConvertFileName(fileName)
+        const ext = getFileExtension(path)
+
+        if (ext === '.svg') {
+          // Check if converted file exists.
+          if (checkFileExists(outputFilePath)) {
+            // Skip if destination file exists and source file hasn't changed in
+            // 30 days or destination file was created in the last day
+            const fileAgeA = dateDiff(path)
+            const fileAgeB = dateDiff(outputFilePath)
+
+            if (fileAgeA > 30 || fileAgeB < 1) {
+              return
+            }
+          }
+
+          // Convert and copy file.
           for (let attempt = 1; attempt <= 3; attempt++) {
             try {
               await converter
-                  .convertFile(this.path, {
+                .convertFile(path, {
                   height: 32,
                   width: 32,
-                    outputFilePath: this.convertPath,
+                  outputFilePath,
                 })
                 .catch((error) => {
                   throw new Error(`${error} (${fileName})`)
                 })
+
+              break
             } catch (error) {
               if (attempt >= 3) {
                 throw error
               } else {
+                // eslint-disable-next-line no-console
+                console.error(`${error.message || error} (attempt ${attempt})`)
+
                 await new Promise((resolve) =>
                   setTimeout(resolve, 500 * attempt)
                 )
               }
             }
-
-              break
-            }
-          },
-          async processFile() {
-            // Setup variables.
-            const ext = getFileExtension(this.path)
-
-            // If SVG, run checks.
-            if (ext === '.svg') {
-              // Check if converted file exists.
-              const convertFilePath = getConvertFileName(this.path)
-              if (checkFileExists(convertFilePath)) {
-                // If file has changed in past 30 days.
-                const fileAge = dateDiff(this.path)
-                if (fileAge > 30) {
-                  return null
-                }
           }
-              // Convert and copy file.
-              await this.convertAndCopy()
-            } else {
-              // If PNG or other, just copy the file as-is.
+        } else if (this.ext === '.png') {
+          // If PNG, just copy the file as-is.
           // eslint-disable-next-line no-lonely-if
           if (checkIfFile(this.path)) {
             copyFiles(this.path, this.convertPath)
           }
         }
-          },
-        }
-
-        await image.processFile()
       })
     )
+
     batchCount++
   } while (files.length)
 
   await converter.destroy()
 
+  // eslint-disable-next-line no-console
   console.log(`Converted ${totalFiles.toLocaleString()} files.`)
-
-  process.exit()
 })()
 
 /**