I’m trying to create a simple plugin that adds a form above the topic timeline POSTs email address that user enters to a controller The form is rendered above the timeline, but when I enter an email and click the submit button, I get this error in the browser console: DEBUG: ------------------------------- vendor.js:49192 DEBUG: Ember : 3.15.0 vendor.js:49192 DEBUG: jQuery : 3.6.0 vendor.js:49192 DEBUG: ------------------------------- vendor.js:4180 [Violation] 'setTimeout' handler took 489ms [Violation] Forced reflow while executing JavaScript took 35ms vendor.js:49192 DEBUG: For more advanced debugging, install the Ember Inspector from https://chrome.google.com/webstore/detail/ember-inspector/bmdblncegkenkacieihfhpjfppoconhi user-presence.js:77 [Violation] 'setInterval' handler took 51ms vendor.js:49170 Uncaught Error: Assertion Failed: had no action handler for: lonerWatch at assert (vendor.js:49170) at Class.send (vendor.js:44642) at Class.superWrapper [as send] (vendor.js:43919) at Class.send (plugin-connector.js:75) at Class.superWrapper [as send] (vendor.js:43919) at vendor.js:22103 at instrument (vendor.js:50635) at vendor.js:22102 at Backburner._run (vendor.js:67048) at Backburner._join (vendor.js:67024) The (currently incomplete) code is: /assets/javascripts/discourse/templates/connectors/topic-navigation/loner-watch-topic-form.hbs Enter your email address to watch this topic for updates Watch /assets/javascripts/discourse/controllers/loner-watch-topic-form.js.es6 export default Ember.Controller.extend({ actions: { lonerWatch(content) { console.log(content); } } }); /controllers/loners_controller.rb class LonersController < ApplicationController [...] # Watch topic as a staged user def watch user = ensure_user topic = Topic.find(params[:topic_id].to_i) TopicUser.change(user, topic.id, notification_level: params[:notification_level].to_i) end end I’m sure I’m missing something simple here, but I’m just not seeing it. Any help is appreciated.

I just noticed that /assets/javascripts/discourse/controllers should be /assets/javascripts/discourse/components. Unfortunately I still get the same error. I’m stumped. Does anyone have any ideas what I’m doing wrong here?

The connector template and JS file need to be in the same directory and have the same name. So /assets/javascripts/discourse/connectors/topic-navigation/loner-watch-topic-form.hbs Enter your email address to watch this topic for updates Watch and /assets/javascripts/discourse/connectors/topic-navigation/loner-watch-topic-form.js export default { actions: { lonerWatch(content) { console.log(content); }, }, }; Your action should then work. You can read a bit more here if you’re interested.

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alangibson (Alan Gibson) 20 בינואר,‏ 2022,‏ 6:55am 4

Thanks for the reply. It’s working now. It looks like I had several things wrong, but the worst was erroneously using Ember.Controller.extend when it wasn’t needed.

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