refactor(ujs): remove dead code

app/javascript/entrypoints/application.js

@@ -5,10 +5,8 @@ import { Application } from '@hotwired/stimulus';
 import '@gouvfr/dsfr/dist/dsfr.module.js';
 
 import '../shared/activestorage/ujs';
-import '../shared/remote-poller';
 import '../shared/safari-11-file-xhr-workaround';
 import '../shared/toggle-target';
-import '../shared/ujs-error-handling';
 
 import { registerControllers } from '../shared/stimulus-loader';
 

app/javascript/shared/remote-poller.js

@@ -1,101 +0,0 @@
-import { httpRequest, delegate } from '@utils';
-
-addEventListener('DOMContentLoaded', () => {
-  attachementPoller.deactivate();
-  exportPoller.deactivate();
-
-  const attachments = document.querySelectorAll('[data-attachment-poll-url]');
-  const exports = document.querySelectorAll('[data-export-poll-url]');
-
-  for (let { dataset } of attachments) {
-    attachementPoller.add(dataset.attachmentPollUrl);
-  }
-
-  for (let { dataset } of exports) {
-    exportPoller.add(dataset.exportPollUrl);
-  }
-});
-
-addEventListener('attachment:update', ({ detail: { url } }) => {
-  attachementPoller.add(url);
-});
-
-addEventListener('export:update', ({ detail: { url } }) => {
-  exportPoller.add(url);
-});
-
-delegate('click', '[data-attachment-refresh]', (event) => {
-  event.preventDefault();
-  attachementPoller.check();
-});
-
-// Periodically check the state of a set of URLs.
-//
-// Each time the given URL is requested, the matching `show.js.erb` view is rendered,
-// causing the state to be refreshed.
-//
-// This is used mainly to refresh attachments during the anti-virus check,
-// but also to refresh the state of a pending spreadsheet export.
-class RemotePoller {
-  urls = new Set();
-  timeout;
-  checks = 0;
-
-  constructor(settings = {}) {
-    this.interval = settings.interval;
-    this.maxChecks = settings.maxChecks;
-  }
-
-  get isEnabled() {
-    return this.checks <= this.maxChecks;
-  }
-
-  get isActive() {
-    return this.timeout !== undefined;
-  }
-
-  add(url) {
-    if (this.isEnabled) {
-      if (!this.isActive) {
-        this.activate();
-      }
-      this.urls.add(url);
-    }
-  }
-
-  check() {
-    let urls = this.urls;
-    this.reset();
-    for (let url of urls) {
-      // Start the request. The JS payload in the response will update the page.
-      // (Errors are ignored, because background tasks shouldn't report errors to the user.)
-      httpRequest(url)
-        .js()
-        .catch(() => {});
-    }
-  }
-
-  activate() {
-    clearTimeout(this.timeout);
-    this.timeout = setTimeout(() => {
-      this.checks++;
-      this.currentInterval = this.interval * 1.5;
-      this.check();
-    }, this.currentInterval);
-  }
-
-  deactivate() {
-    this.checks = 0;
-    this.currentInterval = this.interval;
-    this.reset();
-  }
-
-  reset() {
-    clearTimeout(this.timeout);
-    this.urls = new Set();
-    this.timeout = undefined;
-  }
-}
-
-const attachementPoller = new RemotePoller({ interval: 3000, maxChecks: 5 });
-const exportPoller = new RemotePoller({ interval: 6000, maxChecks: 10 });

app/javascript/shared/ujs-error-handling.js

@@ -1,8 +0,0 @@
-// For links and requests done through rails-ujs (mostly data-remote links),
-// redirect to the sign-in page when the server responds '401 Unauthorized'.
-document.addEventListener('ajax:error', (event) => {
-  const [, , xhr] = event.detail;
-  if (xhr && xhr.status == 401) {
-    location.reload(); // reload whole page so Devise will redirect to sign-in
-  }
-});

app/views/instructeurs/archives/create.js.haml

@@ -1 +0,0 @@
-= render_flash(sticky: true)