Add illiustration and refactor serverless vue

Add serverless illustration to empty state
Update empty state styles
Move empty_state props to the store
Update additional components to also use new store values
Update associated tests

app/assets/javascripts/serverless/components/empty_state.vue

 <script>
+import { GlEmptyState, GlLink, GlSprintf } from '@gitlab/ui';
+import { mapState } from 'vuex';
+
 export default {
-  props: {
-    clustersPath: {
-      type: String,
-      required: true,
-    },
-    helpPath: {
-      type: String,
-      required: true,
-    },
+  components: {
+    GlEmptyState,
+    GlLink,
+    GlSprintf,
+  },
+  computed: {
+    ...mapState(['clustersPath', 'emptyImagePath', 'helpPath']),
   },
 };
 </script>
 
 <template>
-  <div class="row empty-state js-empty-state">
-    <div class="col-12">
-      <div class="text-content">
-        <h4 class="state-title text-center">
-          {{ s__('Serverless|Getting started with serverless') }}
-        </h4>
-        <p class="state-description">
-          {{
-            s__(`Serverless| In order to start using functions as a service,
-                 you must first install Knative on your Kubernetes cluster.`)
-          }}
-
-          <a :href="helpPath"> {{ __('More information') }} </a>
-        </p>
-
-        <div class="text-center">
-          <a :href="clustersPath" class="btn btn-success">
-            {{ s__('Serverless|Install Knative') }}
-          </a>
-        </div>
-      </div>
-    </div>
-  </div>
+  <gl-empty-state
+    :svg-path="emptyImagePath"
+    :title="s__('Serverless|Getting started with serverless')"
+    :primary-button-link="clustersPath"
+    :primary-button-text="s__('Serverless|Install Knative')"
+  >
+    <template #description>
+      <gl-sprintf
+        :message="
+          s__(
+            'Serverless|In order to start using functions as a service, you must first install Knative on your Kubernetes cluster. %{linkStart}More information%{linkEnd}',
+          )
+        "
+      >
+        <template #link="{ content }">
+          <gl-link :href="helpPath">{{ content }}</gl-link>
+        </template>
+      </gl-sprintf>
+    </template>
+  </gl-empty-state>
 </template>

app/assets/javascripts/serverless/components/function_details.vue

@@ -23,14 +23,6 @@ export default {
       required: false,
       default: false,
     },
-    clustersPath: {
-      type: String,
-      required: true,
-    },
-    helpPath: {
-      type: String,
-      required: true,
-    },
   },
   data() {
     return {
@@ -96,8 +88,6 @@ export default {
     <area-chart v-if="hasPrometheusData" :graph-data="graphData" :container-width="elWidth" />
     <missing-prometheus
       v-if="!hasPrometheus || hasPrometheusMissingData"
-      :help-path="helpPath"
-      :clusters-path="clustersPath"
       :missing-data="hasPrometheusMissingData"
     />
   </section>

app/assets/javascripts/serverless/components/functions.vue

 <script>
 import { mapState, mapActions, mapGetters } from 'vuex';
-import { GlLoadingIcon } from '@gitlab/ui';
+import { GlLink, GlLoadingIcon } from '@gitlab/ui';
 import { sprintf, s__ } from '~/locale';
 import EnvironmentRow from './environment_row.vue';
 import EmptyState from './empty_state.vue';
@@ -10,24 +10,11 @@ export default {
   components: {
     EnvironmentRow,
     EmptyState,
+    GlLink,
     GlLoadingIcon,
   },
-  props: {
-    clustersPath: {
-      type: String,
-      required: true,
-    },
-    helpPath: {
-      type: String,
-      required: true,
-    },
-    statusPath: {
-      type: String,
-      required: true,
-    },
-  },
   computed: {
-    ...mapState(['installed', 'isLoading', 'hasFunctionData']),
+    ...mapState(['installed', 'isLoading', 'hasFunctionData', 'helpPath', 'statusPath']),
     ...mapGetters(['getFunctions']),
 
     checkingInstalled() {
@@ -118,14 +105,14 @@ export default {
             }}
           </p>
           <div class="text-center">
-            <a :href="helpPath" class="btn btn-success">
-              {{ s__('Serverless|Learn more about Serverless') }}
-            </a>
+            <gl-link :href="helpPath" class="btn btn-success">{{
+              s__('Serverless|Learn more about Serverless')
+            }}</gl-link>
           </div>
         </div>
       </div>
     </div>
 
-    <empty-state v-else :clusters-path="clustersPath" :help-path="helpPath" />
+    <empty-state v-else />
   </section>
 </template>

app/assets/javascripts/serverless/components/missing_prometheus.vue

 <script>
 import { GlDeprecatedButton, GlLink } from '@gitlab/ui';
+import { mapState } from 'vuex';
 import { s__ } from '../../locale';
 
 export default {
@@ -8,20 +9,13 @@ export default {
     GlLink,
   },
   props: {
-    clustersPath: {
-      type: String,
-      required: true,
-    },
-    helpPath: {
-      type: String,
-      required: true,
-    },
     missingData: {
       type: Boolean,
       required: true,
     },
   },
   computed: {
+    ...mapState(['clustersPath', 'helpPath']),
     missingStateClass() {
       return this.missingData ? 'missing-prometheus-state' : 'empty-prometheus-state';
     },

app/assets/javascripts/serverless/serverless_bundle.js

@@ -6,6 +6,9 @@ import { createStore } from './store';
 export default class Serverless {
   constructor() {
     if (document.querySelector('.js-serverless-function-details-page') != null) {
+      const entryPointData = document.querySelector('.js-serverless-function-details-page').dataset;
+      const store = createStore(entryPointData);
+
       const {
         serviceName,
         serviceDescription,
@@ -15,9 +18,7 @@ export default class Serverless {
         servicePodcount,
         serviceMetricsUrl,
         prometheus,
-        clustersPath,
-        helpPath,
-      } = document.querySelector('.js-serverless-function-details-page').dataset;
+      } = entryPointData;
       const el = document.querySelector('#js-serverless-function-details');
 
       const service = {
@@ -32,35 +33,26 @@ export default class Serverless {
 
       this.functionDetails = new Vue({
         el,
-        store: createStore(),
+        store,
         render(createElement) {
           return createElement(FunctionDetails, {
             props: {
               func: service,
               hasPrometheus: prometheus !== undefined,
-              clustersPath,
-              helpPath,
             },
           });
         },
       });
     } else {
-      const { statusPath, clustersPath, helpPath } = document.querySelector(
-        '.js-serverless-functions-page',
-      ).dataset;
+      const entryPointData = document.querySelector('.js-serverless-functions-page').dataset;
+      const store = createStore(entryPointData);
 
       const el = document.querySelector('#js-serverless-functions');
       this.functions = new Vue({
         el,
-        store: createStore(),
+        store,
         render(createElement) {
-          return createElement(Functions, {
-            props: {
-              clustersPath,
-              helpPath,
-              statusPath,
-            },
-          });
+          return createElement(Functions);
         },
       });
     }

app/assets/javascripts/serverless/store/index.js

@@ -7,12 +7,12 @@ import createState from './state';
 
 Vue.use(Vuex);
 
-export const createStore = () =>
+export const createStore = (entryPointData = {}) =>
   new Vuex.Store({
     actions,
     getters,
     mutations,
-    state: createState(),
+    state: createState(entryPointData),
   });
 
-export default createStore();
+export default createStore;

app/assets/javascripts/serverless/store/state.js

-export default () => ({
+export default (
+  initialState = { clustersPath: null, helpPath: null, emptyImagePath: null, statusPath: null },
+) => ({
+  clustersPath: initialState.clustersPath,
   error: null,
+  helpPath: initialState.helpPath,
   installed: 'checking',
   isLoading: true,
 
   // functions
   functions: [],
   hasFunctionData: true,
+  statusPath: initialState.statusPath,
 
   // function_details
   hasPrometheus: true,
   hasPrometheusData: false,
   graphData: {},
+
+  // empty_state
+  emptyImagePath: initialState.emptyImagePath,
 });

app/views/projects/serverless/functions/index.html.haml

@@ -7,7 +7,8 @@
 .serverless-functions-page.js-serverless-functions-page{ data: { status_path: status_path,
   installed: @installed,
   clusters_path: clusters_path,
-  help_path: help_page_path('user/project/clusters/serverless/index') } }
+  help_path: help_page_path('user/project/clusters/serverless/index'),
+  empty_image_path: image_path('illustrations/empty-state/empty-serverless-lg.svg') } }
 
 %div{ class: [('limit-container-width' unless fluid_layout)] }
   .js-serverless-survey-banner{ data: { user_name: current_user.name, user_email: current_user.email } }
@@ -15,5 +16,5 @@
   .js-serverless-functions-notice
     .flash-container
 
-  .top-area.adjust.d-flex.justify-content-center
+  .top-area.adjust.d-flex.justify-content-center.gl-border-none
     .serverless-functions-table#js-serverless-functions

changelogs/unreleased/25483-serverless-empty-state.yml

+---
+title: Add serverless empty state illustration
+merge_request: 36762
+author:
+type: changed

locale/gitlab.pot

@@ -21387,9 +21387,6 @@ msgstr ""
 msgid "ServerlessURL|Copy URL"
 msgstr ""
 
-msgid "Serverless| In order to start using functions as a service, you must first install Knative on your Kubernetes cluster."
-msgstr ""
-
 msgid "Serverless|Getting started with serverless"
 msgstr ""
 
@@ -21399,6 +21396,9 @@ msgstr ""
 msgid "Serverless|If you believe none of these apply, please check back later as the function data may be in the process of becoming available."
 msgstr ""
 
+msgid "Serverless|In order to start using functions as a service, you must first install Knative on your Kubernetes cluster. %{linkStart}More information%{linkEnd}"
+msgstr ""
+
 msgid "Serverless|Install Knative"
 msgstr ""
 

spec/frontend/serverless/components/__snapshots__/empty_state_spec.js.snap

+// Jest Snapshot v1, https://goo.gl/fbAQLP
+
+exports[`EmptyStateComponent should render content 1`] = `
+"<section class=\\"row empty-state text-center\\">
+  <div class=\\"col-12\\">
+    <div class=\\"svg-250 svg-content\\"><img src=\\"/image.svg\\" alt=\\"Getting started with serverless\\" class=\\"gl-max-w-full\\"></div>
+  </div>
+  <div class=\\"col-12\\">
+    <div class=\\"text-content gl-mx-auto gl-my-0 gl-p-5\\">
+      <h1 class=\\"h4\\">Getting started with serverless</h1>
+      <p>In order to start using functions as a service, you must first install Knative on your Kubernetes cluster. <gl-link-stub href=\\"/help\\">More information</gl-link-stub>
+      </p>
+      <div>
+        <gl-button-stub category=\\"tertiary\\" variant=\\"success\\" size=\\"medium\\" icon=\\"\\" href=\\"/clusters\\">Install Knative</gl-button-stub>
+        <!---->
+      </div>
+    </div>
+  </div>
+</section>"
+`;

spec/frontend/serverless/components/empty_state_spec.js

+import { createStore } from '~/serverless/store';
+import { GlEmptyState, GlSprintf } from '@gitlab/ui';
+import { shallowMount } from '@vue/test-utils';
+import EmptyStateComponent from '~/serverless/components/empty_state.vue';
+
+describe('EmptyStateComponent', () => {
+  let wrapper;
+
+  beforeEach(() => {
+    const store = createStore({
+      clustersPath: '/clusters',
+      helpPath: '/help',
+      emptyImagePath: '/image.svg',
+    });
+    wrapper = shallowMount(EmptyStateComponent, { store, stubs: { GlEmptyState, GlSprintf } });
+  });
+
+  afterEach(() => {
+    wrapper.destroy();
+  });
+
+  it('should render content', () => {
+    expect(wrapper.html()).toMatchSnapshot();
+  });
+});

spec/frontend/serverless/components/function_details_spec.js

@@ -13,7 +13,7 @@ describe('functionDetailsComponent', () => {
     localVue = createLocalVue();
     localVue.use(Vuex);
 
-    store = createStore();
+    store = createStore({ clustersPath: '/clusters', helpPath: '/help' });
   });
 
   afterEach(() => {
@@ -38,8 +38,6 @@ describe('functionDetailsComponent', () => {
         propsData: {
           func: serviceStub,
           hasPrometheus: false,
-          clustersPath: '/clusters',
-          helpPath: '/help',
         },
       });
 
@@ -65,8 +63,6 @@ describe('functionDetailsComponent', () => {
         propsData: {
           func: serviceStub,
           hasPrometheus: false,
-          clustersPath: '/clusters',
-          helpPath: '/help',
         },
       });
 
@@ -82,8 +78,6 @@ describe('functionDetailsComponent', () => {
         propsData: {
           func: serviceStub,
           hasPrometheus: false,
-          clustersPath: '/clusters',
-          helpPath: '/help',
         },
       });
 
@@ -99,8 +93,6 @@ describe('functionDetailsComponent', () => {
         propsData: {
           func: serviceStub,
           hasPrometheus: false,
-          clustersPath: '/clusters',
-          helpPath: '/help',
         },
       });
 

spec/frontend/serverless/components/functions_spec.js

@@ -25,55 +25,31 @@ describe('functionsComponent', () => {
     localVue = createLocalVue();
     localVue.use(Vuex);
 
-    store = createStore();
+    store = createStore({});
   });
 
   afterEach(() => {
-    component.vm.$destroy();
+    component.destroy();
     axiosMock.restore();
   });
 
   it('should render empty state when Knative is not installed', () => {
     store.dispatch('receiveFunctionsSuccess', { knative_installed: false });
-    component = shallowMount(functionsComponent, {
-      localVue,
-      store,
-      propsData: {
-        clustersPath: '',
-        helpPath: '',
-        statusPath: '',
-      },
-    });
+    component = shallowMount(functionsComponent, { localVue, store });
 
     expect(component.find(EmptyState).exists()).toBe(true);
   });
 
   it('should render a loading component', () => {
     store.dispatch('requestFunctionsLoading');
-    component = shallowMount(functionsComponent, {
-      localVue,
-      store,
-      propsData: {
-        clustersPath: '',
-        helpPath: '',
-        statusPath: '',
-      },
-    });
+    component = shallowMount(functionsComponent, { localVue, store });
 
     expect(component.find(GlLoadingIcon).exists()).toBe(true);
   });
 
   it('should render empty state when there is no function data', () => {
     store.dispatch('receiveFunctionsNoDataSuccess', { knative_installed: true });
-    component = shallowMount(functionsComponent, {
-      localVue,
-      store,
-      propsData: {
-        clustersPath: '',
-        helpPath: '',
-        statusPath: '',
-      },
-    });
+    component = shallowMount(functionsComponent, { localVue, store });
 
     expect(
       component.vm.$el
@@ -91,30 +67,17 @@ describe('functionsComponent', () => {
       ...mockServerlessFunctions,
       knative_installed: 'checking',
     });
-    component = shallowMount(functionsComponent, {
-      localVue,
-      store,
-      propsData: {
-        clustersPath: '',
-        helpPath: '',
-        statusPath: '',
-      },
-    });
+
+    component = shallowMount(functionsComponent, { localVue, store });
 
     expect(component.find('.js-functions-wrapper').exists()).toBe(true);
     expect(component.find('.js-functions-loader').exists()).toBe(true);
   });
 
   it('should render the functions list', () => {
-    component = shallowMount(functionsComponent, {
-      localVue,
-      store,
-      propsData: {
-        clustersPath: 'clustersPath',
-        helpPath: 'helpPath',
-        statusPath,
-      },
-    });
+    store = createStore({ clustersPath: 'clustersPath', helpPath: 'helpPath', statusPath });
+
+    component = shallowMount(functionsComponent, { localVue, store });
 
     component.vm.$store.dispatch('receiveFunctionsSuccess', mockServerlessFunctions);
 

spec/frontend/serverless/components/missing_prometheus_spec.js

+import { createStore } from '~/serverless/store';
 import { GlDeprecatedButton } from '@gitlab/ui';
 import { shallowMount } from '@vue/test-utils';
 import missingPrometheusComponent from '~/serverless/components/missing_prometheus.vue';
 
-const createComponent = missingData =>
-  shallowMount(missingPrometheusComponent, {
-    propsData: {
-      clustersPath: '/clusters',
-      helpPath: '/help',
-      missingData,
-    },
-  });
-
 describe('missingPrometheusComponent', () => {
   let wrapper;
 
+  const createComponent = missingData => {
+    const store = createStore({ clustersPath: '/clusters', helpPath: '/help' });
+
+    wrapper = shallowMount(missingPrometheusComponent, { store, propsData: { missingData } });
+  };
+
   afterEach(() => {
     wrapper.destroy();
   });
 
   it('should render missing prometheus message', () => {
-    wrapper = createComponent(false);
+    createComponent(false);
     const { vm } = wrapper;
 
     expect(vm.$el.querySelector('.state-description').innerHTML.trim()).toContain(
@@ -30,7 +28,7 @@ describe('missingPrometheusComponent', () => {
   });
 
   it('should render no prometheus data message', () => {
-    wrapper = createComponent(true);
+    createComponent(true);
     const { vm } = wrapper;
 
     expect(vm.$el.querySelector('.state-description').innerHTML.trim()).toContain(