Unsubscribe an event

[tame veldt]

How can i unsubscribe an event in scripting?

[smoky atlas]

?

More information pls

[raw grotto]

const event = world.afterEvents.playerPlaceBlock.subscribe((data) => {
    console.warn("Broke a block.");
    world.afterEvents.playerPlaceBlock.unsubscribe(event);
});

[tame veldt]

wow thank you a lot

[tame veldt]

but

[raw grotto]

Yes?

[tame veldt]

Isn't the return value of subribe an void?

so event would be undefined

[raw grotto]

No?

It doesn’t return void afaik

[tame veldt]

oh well it works. I think my ide is just giving me wrong information about the api

thank you

[raw grotto]

yay!! :D

[split condor]

what about to re-subscribe to that event?

[tacit apex]

It's the callback that tells it returns void, not the subscribe method. Subscribe returns the callback.

[leaden glen]

re-subscribe uses subcribe()

[raw grotto]

You could take the callback function and define it elsewhere and then provide it when subscribing

function callback(data) {
    console.warn("Broke a block.");
};

const event = world.afterEvents.playerPlaceBlock.subscribe(callback);
world.afterEvents.playerPlaceBlock.unsubscribe(event);

[split condor]

The only thing about completely doing it this way, is that you loose the intellisense unless you do an if not an instanceof....

I got it working, so yes it works with re-subscribing with the const

[raw grotto]

You can also use JSDoc instead of instanceof

[split condor]

Example

[raw grotto]

/**
 * @param { import("@minecraft/server").PlayerPlaceBlockAfterEvent } data
 */
function callback(data) {

};

[split condor]

works like that in the comments... is there an extension or something I need?

[raw grotto]

They should work in Visual Studio Code by default, you won’t need any extensions

[split condor]

and can it work for other data types? I have been using a default when I can to help it have context.

I do not want to use typescript and have to go thru an extra step to test... and I have not finished my regolith filter to do this.... LOL

I like being extra careful in JS

[raw grotto]

Yeah

You might find this website useful if you want to know more about it

[split condor]

Awesome Sauce.... thanks KING.

[split condor]

F'N' gamechanger..... is this in script resources... just the @param part... would help so many...