move render_gfm into behaviors directory

app/assets/javascripts/behaviors/index.js

 import './autosize';
 import './bind_in_out';
-import initCopyAsGFM from './copy_as_gfm';
+import './markdown/render_gfm';
+import initCopyAsGFM from './markdown/copy_as_gfm';
 import initCopyToClipboard from './copy_to_clipboard';
 import './details_behavior';
 import installGlEmojiElement from './gl_emoji';

app/assets/javascripts/behaviors/copy_as_gfm.js → app/assets/javascripts/behaviors/markdown/copy_as_gfm.js

@@ -2,8 +2,8 @@
 import $ from 'jquery';
 import _ from 'underscore';
-import { insertText, getSelectedFragment, nodeMatchesSelector } from '../lib/utils/common_utils';
-import { placeholderImage } from '../lazy_loader';
+import { insertText, getSelectedFragment, nodeMatchesSelector } from '~/lib/utils/common_utils';
+import { placeholderImage } from '~/lazy_loader';
 const gfmRules = {
   // The filters referenced in lib/banzai/pipeline/gfm_pipeline.rb convert

app/assets/javascripts/render_gfm.js → app/assets/javascripts/behaviors/markdown/render_gfm.js

 import $ from 'jquery';
+import syntaxHighlight from '~/syntax_highlight';
 import renderMath from './render_math';
 import renderMermaid from './render_mermaid';
-import syntaxHighlight from './syntax_highlight';
 // Render Gitlab flavoured Markdown
 //

app/assets/javascripts/render_math.js → app/assets/javascripts/behaviors/markdown/render_math.js

 import $ from 'jquery';
-import { __ } from './locale';
-import flash from './flash';
+import { __ } from '~/locale';
+import flash from '~/flash';
 // Renders math using KaTeX in any element with the
 // `js-render-math` class

app/assets/javascripts/render_mermaid.js → app/assets/javascripts/behaviors/markdown/render_mermaid.js

+import flash from '~/flash';
+
 // Renders diagrams and flowcharts from text using Mermaid in any element with the
 // `js-render-mermaid` class.
 //
@@ -12,8 +14,6 @@
 // </pre>
 //
-import Flash from './flash';
-
 export default function renderMermaid($els) {
   if (!$els.length) return;
@@ -52,6 +52,6 @@ export default function renderMermaid($els) {
       });
     });
   }).catch((err) => {
-    Flash(`Can't load mermaid module: ${err}`);
+    flash(`Can't load mermaid module: ${err}`);
   });
 }

app/assets/javascripts/main.js

@@ -32,7 +32,6 @@ import LazyLoader from './lazy_loader';
 import initLogoAnimation from './logo';
 import './milestone_select';
 import './projects_dropdown';
-import './render_gfm';
 import initBreadcrumbs from './breadcrumb';
 import initDispatcher from './dispatcher';

app/assets/javascripts/shortcuts_issuable.js

@@ -3,7 +3,7 @@ import Mousetrap from 'mousetrap';
 import _ from 'underscore';
 import Sidebar from './right_sidebar';
 import Shortcuts from './shortcuts';
-import { CopyAsGFM } from './behaviors/copy_as_gfm';
+import { CopyAsGFM } from './behaviors/markdown/copy_as_gfm';
 export default class ShortcutsIssuable extends Shortcuts {
   constructor(isMergeRequest) {

lib/banzai/pipeline/gfm_pipeline.rb

@@ -2,10 +2,10 @@ module Banzai
   module Pipeline
     class GfmPipeline < BasePipeline
       # These filters convert GitLab Flavored Markdown (GFM) to HTML.
-      # The handlers defined in app/assets/javascripts/copy_as_gfm.js
+      # The handlers defined in app/assets/javascripts/behaviors/markdown/copy_as_gfm.js
       # consequently convert that same HTML to GFM to be copied to the clipboard.
       # Every filter that generates HTML from GFM should have a handler in
-      # app/assets/javascripts/copy_as_gfm.js, in reverse order.
+      # app/assets/javascripts/behaviors/markdown/copy_as_gfm.js, in reverse order.
       # The GFM-to-HTML-to-GFM cycle is tested in spec/features/copy_as_gfm_spec.rb.
       def self.filters
         @filters ||= FilterArray[

spec/features/markdown/copy_as_gfm_spec.rb

@@ -20,7 +20,7 @@ describe 'Copy as GFM', :js do
     end
     # The filters referenced in lib/banzai/pipeline/gfm_pipeline.rb convert GitLab Flavored Markdown (GFM) to HTML.
-    # The handlers defined in app/assets/javascripts/copy_as_gfm.js consequently convert that same HTML to GFM.
+    # The handlers defined in app/assets/javascripts/behaviors/markdown/copy_as_gfm.js consequently convert that same HTML to GFM.
     # To make sure these filters and handlers are properly aligned, this spec tests the GFM-to-HTML-to-GFM cycle
     # by verifying (`html_to_gfm(gfm_to_html(gfm)) == gfm`) for a number of examples of GFM for every filter, using the `verify` helper.

spec/javascripts/behaviors/copy_as_gfm_spec.js

-import { CopyAsGFM } from '~/behaviors/copy_as_gfm';
+import { CopyAsGFM } from '~/behaviors/markdown/copy_as_gfm';
 describe('CopyAsGFM', () => {
   describe('CopyAsGFM.pasteGFM', () => {

spec/javascripts/issue_show/components/app_spec.js

 import Vue from 'vue';
 import MockAdapter from 'axios-mock-adapter';
 import axios from '~/lib/utils/axios_utils';
-import '~/render_math';
-import '~/render_gfm';
+import '~/behaviors/markdown/render_gfm';
 import * as urlUtils from '~/lib/utils/url_utility';
 import issuableApp from '~/issue_show/components/app.vue';
 import eventHub from '~/issue_show/event_hub';

spec/javascripts/merge_request_notes_spec.js

@@ -3,8 +3,7 @@ import _ from 'underscore';
 import 'autosize';
 import '~/gl_form';
 import '~/lib/utils/text_utility';
-import '~/render_gfm';
-import '~/render_math';
+import '~/behaviors/markdown/render_gfm';
 import Notes from '~/notes';
 const upArrowKeyCode = 38;

spec/javascripts/notes/components/note_app_spec.js

@@ -3,7 +3,7 @@ import _ from 'underscore';
 import Vue from 'vue';
 import notesApp from '~/notes/components/notes_app.vue';
 import service from '~/notes/services/notes_service';
-import '~/render_gfm';
+import '~/behaviors/markdown/render_gfm';
 import * as mockData from '../mock_data';
 const vueMatchers = {

spec/javascripts/notes_spec.js

@@ -7,7 +7,7 @@ import * as urlUtils from '~/lib/utils/url_utility';
 import 'autosize';
 import '~/gl_form';
 import '~/lib/utils/text_utility';
-import '~/render_gfm';
+import '~/behaviors/markdown/render_gfm';
 import Notes from '~/notes';
 import timeoutPromise from './helpers/set_timeout_promise_helper';

spec/javascripts/shortcuts_issuable_spec.js

 import $ from 'jquery';
-import initCopyAsGFM from '~/behaviors/copy_as_gfm';
+import initCopyAsGFM from '~/behaviors/markdown/copy_as_gfm';
 import ShortcutsIssuable from '~/shortcuts_issuable';
 initCopyAsGFM();