gmail.observer.on('view_email',function(obj){}) is firing multiple times

[MattIrineu]

`gmail.observe.on('view_email', function (obj) {
priotityTag();

console.log('Changed email in thread: ' + obj.id)

post(obj.id, "email")

});`
I have this code but whenever I run it, this function is triggered multiple times and I dont get why, from my understanding, it should be triggered only when I click in an email and stop, once I click and open an email, my console.log prints 4 times +

Any idea why this is happening?

Thank you very much

[josteink]

Depending on how you register the event, it could be registered many times (and thus fired many times).

Can you reproduce the issue using the boilerplate repo?

https://github.com/josteink/gmailjs-node-boilerplate

[knopa]

With this repo i got firing 3 times

[knopa]

I see, in boilerplate there is outdated packages, but even with latest one it fires now 2 times

[josteink]

I guess the answer is either to create idempotent event handlers (firing 1 or multiple times gives the same result), or someone fixing the event-triggering in gmailjs.

I'm not able to go fix the code anytime soon, so PRs are definitely welcome.

[knopa]

Could it be related to that line with empty class?
// FIXME: the empty class ("") is for emails opened after thread is rendered (causes a storm of updates)
class: ["Bu", "nH", ""],

[josteink]

Might be. I didn't personally implement the latest revision of this particular code, so I'm not 100% sure.

Remove it and see if it still works? If so, that sounds like a simple PR, right? :)

[knopa]

Unfortunatly it's not an issue), it's workaround to get view email event on open email in thread before last one