Merge pull request #33 from Unity-Technologies/bugfix/cleanup-memory-optimizations

[PR] Optimize cleanup script's memory

Author: stephen-palmer

lib/cache/cache_fs.js

@@ -6,6 +6,7 @@ const fs = require('fs-extra');
 const uuid = require('uuid');
 const consts = require('../constants');
 const moment = require('moment');
+const pick = require('lodash').pick;
 
 class CacheFS extends CacheBase {
     constructor() {
@@ -131,6 +132,7 @@ class CacheFS extends CacheBase {
 
         return helpers.readDir(self._cachePath, (item) => {
             if(item.stats.isDirectory()) return next();
+            item = {path: item.path, stats: pick(item.stats, ['atime', 'size'])};
             allItems.push(item);
             cacheSize += item.stats.size;
             if(item.stats.atime < minFileAccessTime) {