how to clear cache using javascript when starting Offline application

Question

I need a help to clear cache using Javascript, Is it possible to clear cache using Javascript?.

I have developed a Offline Chrome application using Javascript & Node WebKit. When using this application, the cache sizes increasing more day by day.

So I want to delete cache directory or clearing cache from AppData/Local/MyAPP.1.0 whenever I'm starting application.

Kindly help me to clear the cache using Javascript (related solution).

Please let me know, if you need any information on this.

Thanks in advance.

Please add code to show your progress and help us pinpoint your problem — legrandviking, Mar 24 '16 at 13:35

score 2 · Accepted Answer · answered Mar 25 '16 at 08:06

2

Try this, It might works

require("nw.gui").App.clearCache();

answered Mar 25 '16 at 08:06

user3428816

1,241
3
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You can just do `nw.App.clearCache();` now. The `require('nw.gui')` part was only needed on versions below 0.13.0. – Jaredcheeda Jun 29 '21 at 13:09

score 2 · Answer 2 · answered Jun 18 '16 at 01:33

I always disable disk cache because I find it slows everything down; even in the browser I wrote, so if you want to disable it which also means that there won't be any garbage to clean up, use this setting in your package.json:

 "chromium-args": "--disk-cache-dir=W:/abc --media-cache-dir=W:/abc --disk-cache-size=1 --media-cache-size=1",

NB: The above are DUMMY drives/paths that don't exist to kill the cache.

score 0 · Answer 3 · answered Mar 30 '16 at 06:35

Use this recursive function to delete all files from AppData/Local/{MyAPP.1.0}/

deleteFolderRecursive:function(path) {        
    var fs = require("fs");
    if( fs.existsSync(path) ) {
        try{
            fs.readdirSync(path).forEach(function(file) {
                var curPath = path + "/" + file;
                if(fs.statSync(curPath).isDirectory()) { 
                    try{
                        deleteFolderRecursive(curPath);
                    }catch(e){
                        console.log(e);
                    }
                } else {
                    try{
                        fs.unlinkSync(curPath);
                    }catch(e){
                        console.log(e);
                    }
                }
            });
            fs.rmdirSync(path);
        }catch(e){
            console.log(e);
        }
    }
}

Get AppData folder path using

var path = require("nw.gui").App.dataPath;

Get AppData folder path using

deleteFolderRecursive(path);

how to clear cache using javascript when starting Offline application

3 Answers3