Saving Player data script

storagescript.js

var ValueName = "destroyedBlocks"

function getFileName(player) {
    return player.getUniqueId() + "_data"
}

registerEvent("org.bukkit.event.player.PlayerJoinEvent", function(event) {
    task.spawn(function() {
        var player = event.getPlayer();
        var fileName = getFileName(player);
        DiskApi.loadFile(fileName, false, false);
        var breakedBlocks = DiskApi.getVar(fileName, ValueName, 0, false);
        player.sendMessage("You destroyed "+breakedBlocks+" blocks!")
    });
})

registerEvent("org.bukkit.event.player.PlayerQuitEvent", function(event) {
    task.spawn(function() {
        var player = event.getPlayer();
        var fileName = getFileName(player);
        log.info("Saving player data...")
        DiskApi.saveFile(fileName, false, false);
        log.info("Data saved!")
    })
})

registerEvent("org.bukkit.event.block.BlockBreakEvent", function(event) {
    var player = event.getPlayer()
    var fileName = getFileName(player);
    var destroyedBlocks = DiskApi.getVar(fileName, ValueName, 0, false) + 1
    DiskApi.setVar(fileName, "destroyedBlocks", destroyedBlocks, false)
    event.getPlayer().sendMessage("You destroyed " + destroyedBlocks + " blocks!");
});