Resolve "Add a keyboard shortcut to quickly open the Web IDE from any repo view"

app/assets/javascripts/behaviors/shortcuts/keybindings.js

@@ -306,6 +306,12 @@ export const GO_TO_PROJECT_WIKI = {
   defaultKeys: ['g w'], // eslint-disable-line @gitlab/require-i18n-strings
 };
 
+export const GO_TO_PROJECT_WEBIDE = {
+  id: 'project.goToWebIDE',
+  description: __('Open in Web IDE'),
+  defaultKeys: ['.'],
+};
+
 export const PROJECT_FILES_MOVE_SELECTION_UP = {
   id: 'projectFiles.moveSelectionUp',
   description: __('Move selection up'),
@@ -549,6 +555,7 @@ export const PROJECT_SHORTCUTS_GROUP = {
     GO_TO_PROJECT_KUBERNETES,
     GO_TO_PROJECT_SNIPPETS,
     GO_TO_PROJECT_WIKI,
+    GO_TO_PROJECT_WEBIDE,
   ],
 };
 

app/assets/javascripts/behaviors/shortcuts/shortcuts_navigation.js

 import Mousetrap from 'mousetrap';
+import { visitUrl, constructWebIDEPath } from '~/lib/utils/url_utility';
 import findAndFollowLink from '../../lib/utils/navigation_utility';
 import {
   keysFor,
@@ -18,6 +19,7 @@ import {
   GO_TO_PROJECT_KUBERNETES,
   GO_TO_PROJECT_ENVIRONMENTS,
   GO_TO_PROJECT_METRICS,
+  GO_TO_PROJECT_WEBIDE,
   NEW_ISSUE,
 } from './keybindings';
 import Shortcuts from './shortcuts';
@@ -58,6 +60,18 @@ export default class ShortcutsNavigation extends Shortcuts {
       findAndFollowLink('.shortcuts-environments'),
     );
     Mousetrap.bind(keysFor(GO_TO_PROJECT_METRICS), () => findAndFollowLink('.shortcuts-metrics'));
+    Mousetrap.bind(keysFor(GO_TO_PROJECT_WEBIDE), ShortcutsNavigation.navigateToWebIDE);
     Mousetrap.bind(keysFor(NEW_ISSUE), () => findAndFollowLink('.shortcuts-new-issue'));
   }
+
+  static navigateToWebIDE() {
+    const path = constructWebIDEPath({
+      sourceProjectFullPath: window.gl.mrWidgetData?.source_project_full_path,
+      targetProjectFullPath: window.gl.mrWidgetData?.target_project_full_path,
+      iid: window.gl.mrWidgetData?.iid,
+    });
+    if (path) {
+      visitUrl(path);
+    }
+  }
 }

app/assets/javascripts/lib/utils/url_utility.js

@@ -590,3 +590,30 @@ export function isSameOriginUrl(url) {
     return false;
   }
 }
+
+/**
+ * Returns a URL to WebIDE considering the current user's position in
+ * repository's tree. If not MR `iid` has been passed, the URL is fetched
+ * from the global `gl.webIDEPath`.
+ *
+ * @param sourceProjectFullPath Source project's full path. Used in MRs
+ * @param targetProjectFullPath Target project's full path. Used in MRs
+ * @param iid                   MR iid
+ * @returns {string}
+ */
+
+export function constructWebIDEPath({
+  sourceProjectFullPath,
+  targetProjectFullPath = '',
+  iid,
+} = {}) {
+  if (!iid || !sourceProjectFullPath) {
+    return window.gl?.webIDEPath;
+  }
+  return mergeUrlParams(
+    {
+      target_project: sourceProjectFullPath !== targetProjectFullPath ? targetProjectFullPath : '',
+    },
+    webIDEUrl(`/${sourceProjectFullPath}/merge_requests/${iid}`),
+  );
+}

app/assets/javascripts/repository/router.js

 import { escapeRegExp } from 'lodash';
 import Vue from 'vue';
 import VueRouter from 'vue-router';
-import { joinPaths } from '../lib/utils/url_utility';
+import { joinPaths, webIDEUrl } from '~/lib/utils/url_utility';
 import BlobPage from './pages/blob.vue';
 import IndexPage from './pages/index.vue';
 import TreePage from './pages/tree.vue';
@@ -24,7 +24,7 @@ export default function createRouter(base, baseRef) {
     }),
   };
 
-  return new VueRouter({
+  const router = new VueRouter({
     mode: 'history',
     base: joinPaths(gon.relative_url_root || '', base),
     routes: [
@@ -59,4 +59,21 @@ export default function createRouter(base, baseRef) {
       },
     ],
   });
+
+  router.afterEach((to) => {
+    const needsClosingSlash = !to.name.includes('blobPath');
+    window.gl.webIDEPath = webIDEUrl(
+      joinPaths(
+        '/',
+        base,
+        'edit',
+        decodeURI(baseRef),
+        '-',
+        to.params.path || '',
+        needsClosingSlash && '/',
+      ),
+    );
+  });
+
+  return router;
 }

app/assets/javascripts/vue_merge_request_widget/components/mr_widget_header.vue

@@ -10,7 +10,7 @@ import {
   GlSafeHtmlDirective as SafeHtml,
   GlSprintf,
 } from '@gitlab/ui';
-import { mergeUrlParams, webIDEUrl } from '~/lib/utils/url_utility';
+import { constructWebIDEPath } from '~/lib/utils/url_utility';
 import { s__ } from '~/locale';
 import clipboardButton from '~/vue_shared/components/clipboard_button.vue';
 import TooltipOnTruncate from '~/vue_shared/components/tooltip_on_truncate.vue';
@@ -58,15 +58,7 @@ export default {
       });
     },
     webIdePath() {
-      return mergeUrlParams(
-        {
-          target_project:
-            this.mr.sourceProjectFullPath !== this.mr.targetProjectFullPath
-              ? this.mr.targetProjectFullPath
-              : '',
-        },
-        webIDEUrl(`/${this.mr.sourceProjectFullPath}/merge_requests/${this.mr.iid}`),
-      );
+      return constructWebIDEPath(this.mr);
     },
     isFork() {
       return this.mr.sourceProjectFullPath !== this.mr.targetProjectFullPath;

app/views/projects/blob/show.html.haml

@@ -18,3 +18,4 @@
   = render 'projects/blob/upload', title: title, placeholder: title, button_title: 'Replace file', form_path: project_update_blob_path(@project, @id), method: :put
 
 = render partial: 'pipeline_tour_success' if show_suggest_pipeline_creation_celebration?
+= render 'shared/web_ide_path'

app/views/projects/merge_requests/show.html.haml

@@ -99,3 +99,4 @@
 = render 'projects/invite_members_modal', project: @project
 - if Gitlab::CurrentSettings.gitpod_enabled && !current_user&.gitpod_enabled
   = render 'shared/gitpod/enable_gitpod_modal'
+= render 'shared/web_ide_path'

app/views/projects/tree/show.html.haml

@@ -11,3 +11,4 @@
 
 = render 'projects/last_push'
 = render 'projects/files', commit: @last_commit, project: @project, ref: @ref, content_url: project_tree_path(@project, @id)
+= render 'shared/web_ide_path'

app/views/shared/_web_ide_path.html.haml

+= javascript_tag do
+  :plain
+      window.gl = window.gl || {};
+      window.gl.webIDEPath = '#{web_ide_url}'

locale/gitlab.pot

@@ -23912,6 +23912,9 @@ msgstr ""
 msgid "Open errors"
 msgstr ""
 
+msgid "Open in Web IDE"
+msgstr ""
+
 msgid "Open in file view"
 msgstr ""
 

spec/frontend/lib/utils/url_utility_spec.js

@@ -1004,4 +1004,39 @@ describe('URL utility', () => {
       expect(urlUtils.isSameOriginUrl(url)).toBe(expected);
     });
   });
+
+  describe('constructWebIDEPath', () => {
+    let originalGl;
+    const projectIDEPath = '/foo/bar';
+    const sourceProj = 'my_-fancy-proj/boo';
+    const targetProj = 'boo/another-fancy-proj';
+    const mrIid = '7';
+
+    beforeEach(() => {
+      originalGl = window.gl;
+      window.gl = { webIDEPath: projectIDEPath };
+    });
+
+    afterEach(() => {
+      window.gl = originalGl;
+    });
+
+    it.each`
+      sourceProjectFullPath | targetProjectFullPath | iid          | expectedPath
+      ${undefined}          | ${undefined}          | ${undefined} | ${projectIDEPath}
+      ${undefined}          | ${undefined}          | ${mrIid}     | ${projectIDEPath}
+      ${undefined}          | ${targetProj}         | ${undefined} | ${projectIDEPath}
+      ${undefined}          | ${targetProj}         | ${mrIid}     | ${projectIDEPath}
+      ${sourceProj}         | ${undefined}          | ${undefined} | ${projectIDEPath}
+      ${sourceProj}         | ${targetProj}         | ${undefined} | ${projectIDEPath}
+      ${sourceProj}         | ${undefined}          | ${mrIid}     | ${`/-/ide/project/${sourceProj}/merge_requests/${mrIid}?target_project=`}
+      ${sourceProj}         | ${sourceProj}         | ${mrIid}     | ${`/-/ide/project/${sourceProj}/merge_requests/${mrIid}?target_project=`}
+      ${sourceProj}         | ${targetProj}         | ${mrIid}     | ${`/-/ide/project/${sourceProj}/merge_requests/${mrIid}?target_project=${encodeURIComponent(targetProj)}`}
+    `(
+      'returns $expectedPath for "$sourceProjectFullPath + $targetProjectFullPath + $iid"',
+      ({ expectedPath, ...args } = {}) => {
+        expect(urlUtils.constructWebIDEPath(args)).toBe(expectedPath);
+      },
+    );
+  });
 });

spec/frontend/repository/router_spec.js

@@ -24,4 +24,32 @@ describe('Repository router spec', () => {
       expect(componentsForRoute).toContain(component);
     }
   });
+
+  describe('Storing Web IDE path globally', () => {
+    const proj = 'foo-bar-group/foo-bar-proj';
+    let originalGl;
+
+    beforeEach(() => {
+      originalGl = window.gl;
+    });
+
+    afterEach(() => {
+      window.gl = originalGl;
+    });
+
+    it.each`
+      path                         | branch          | expectedPath
+      ${'/'}                       | ${'main'}       | ${`/-/ide/project/${proj}/edit/main/-/`}
+      ${'/tree/main'}              | ${'main'}       | ${`/-/ide/project/${proj}/edit/main/-/`}
+      ${'/tree/feat(test)'}        | ${'feat(test)'} | ${`/-/ide/project/${proj}/edit/feat(test)/-/`}
+      ${'/-/tree/main'}            | ${'main'}       | ${`/-/ide/project/${proj}/edit/main/-/`}
+      ${'/-/tree/main/app/assets'} | ${'main'}       | ${`/-/ide/project/${proj}/edit/main/-/app/assets/`}
+      ${'/-/blob/main/file.md'}    | ${'main'}       | ${`/-/ide/project/${proj}/edit/main/-/file.md`}
+    `('generates the correct Web IDE url for $path', ({ path, branch, expectedPath } = {}) => {
+      const router = createRouter(proj, branch);
+
+      router.push(path);
+      expect(window.gl.webIDEPath).toBe(expectedPath);
+    });
+  });
 });