Move GFM autocomplete setup, delete dispatcher

app/assets/javascripts/behaviors/index.js

 import './autosize';
 import './bind_in_out';
 import './markdown/render_gfm';
+import initGFMInput from './markdown/gfm_auto_complete';
 import initCopyAsGFM from './markdown/copy_as_gfm';
 import initCopyToClipboard from './copy_to_clipboard';
 import './details_behavior';
@@ -12,6 +13,7 @@ import './toggler_behavior';
 import './preview_markdown';
 
 installGlEmojiElement();
+initGFMInput();
 initCopyAsGFM();
 initCopyToClipboard();
 initPageShortcuts();

app/assets/javascripts/dispatcher.js → app/assets/javascripts/behaviors/markdown/gfm_auto_complete.js

-/* eslint-disable consistent-return, no-new */
-
 import $ from 'jquery';
-import GfmAutoComplete from './gfm_auto_complete';
-import { convertPermissionToBoolean } from './lib/utils/common_utils';
+import { convertPermissionToBoolean } from '~/lib/utils/common_utils';
+import GfmAutoComplete from '~/gfm_auto_complete';
 
-function initGFMInput() {
+export default function initGFMInput() {
   $('.js-gfm-input:not(.js-vue-textarea)').each((i, el) => {
-    const gfm = new GfmAutoComplete(
-      gl.GfmAutoComplete && gl.GfmAutoComplete.dataSources,
-    );
-    const enableGFM = convertPermissionToBoolean(
-      el.dataset.supportsAutocomplete,
-    );
+    const gfm = new GfmAutoComplete(gl.GfmAutoComplete && gl.GfmAutoComplete.dataSources);
+    const enableGFM = convertPermissionToBoolean(el.dataset.supportsAutocomplete);
+
     gfm.setup($(el), {
       emojis: true,
       members: enableGFM,
@@ -22,10 +17,3 @@ function initGFMInput() {
     });
   });
 }
-
-export default () => {
-  const page = $('body').attr('data-page');
-  if (page) {
-    initGFMInput();
-  }
-};

app/assets/javascripts/main.js

@@ -26,7 +26,6 @@ import LazyLoader from './lazy_loader';
 import initLogoAnimation from './logo';
 import './frequent_items';
 import initBreadcrumbs from './breadcrumb';
-import initDispatcher from './dispatcher';
 import initUsagePingConsent from './usage_ping_consent';
 import initPerformanceBar from './performance_bar';
 import initSearchAutocomplete from './search_autocomplete';
@@ -274,6 +273,4 @@ document.addEventListener('DOMContentLoaded', () => {
 
   // initialize field errors
   $('.gl-show-field-errors').each((i, form) => new GlFieldErrors(form));
-
-  initDispatcher();
 });