feat(onboarding): Add warning for when docs are missing examples

src/sentry/static/sentry/app/views/onboarding/projectSetup/projectDocs.jsx

@@ -4,11 +4,12 @@ import React from 'react';
 import posed, {PoseGroup} from 'react-pose';
 import styled from 'react-emotion';
 
-import {alertStyles} from 'app/components/alert';
 import {analytics} from 'app/utils/analytics';
 import {loadDocs} from 'app/actionCreators/projects';
 import {t, tct} from 'app/locale';
+import Alert, {alertStyles} from 'app/components/alert';
 import Button from 'app/components/button';
+import ExternalLink from 'app/components/links/externalLink';
 import FirstEventIndicator from 'app/views/onboarding/projectSetup/firstEventIndicator';
 import LoadingError from 'app/components/loadingError';
 import Panel from 'app/components/panels/panel';
@@ -20,6 +21,12 @@ import space from 'app/styles/space';
 import withApi from 'app/utils/withApi';
 import withOrganization from 'app/utils/withOrganization';
 
+/**
+ * The documentation will include the following string should it be missing the
+ * verification example, which currently a lot of docs are.
+ */
+const INCOMPLETE_DOC_FLAG = 'TODO-ADD-VERIFICATION-EXAMPLE';
+
 const recordAnalyticsDocsClicked = ({organization, project, platform}) =>
   analytics('onboarding_v2.full_docs_clicked', {
     org_id: parseInt(organization.id, 10),
@@ -83,6 +90,34 @@ class ProjectDocs extends React.Component {
     recordAnalyticsDocsClicked({organization, project, platform});
   };
 
+  /**
+   * TODO(epurkhiser): This can be removed once all documentation has an
+   * example for sending the users first event.
+   */
+  get missingExampleWarning() {
+    const {loadedPlatform, platformDocs} = this.state;
+    const missingExample = platformDocs?.html?.includes(INCOMPLETE_DOC_FLAG);
+
+    if (!missingExample) {
+      return null;
+    }
+
+    return (
+      <Alert type="warning" icon="icon-circle-info">
+        {tct(
+          `Looks like this getting started example is still undergoing some
+           work and doesn't include an example for triggering an event quite
+           yet! If you have trouble sending your first event be sure to consult
+           the [docsLink:full documentation] for [platform].`,
+          {
+            docsLink: <ExternalLink href={platformDocs?.link} />,
+            platform: platforms.find(p => p.id === loadedPlatform).name,
+          }
+        )}
+      </Alert>
+    );
+  }
+
   render() {
     const {organization, project, platform, scrollTargetId} = this.props;
     const {loadedPlatform, platformDocs, hasError} = this.state;
@@ -123,10 +158,10 @@ class ProjectDocs extends React.Component {
 
     const docs = platformDocs !== null && (
       <PoseGroup preEnterPose="init" animateOnMount>
-        <DocsWrapper
-          key={platformDocs.html}
-          dangerouslySetInnerHTML={{__html: platformDocs.html}}
-        />
+        <DocsWrapper key={platformDocs.html}>
+          <div dangerouslySetInnerHTML={{__html: platformDocs.html}} />
+          {this.missingExampleWarning}
+        </DocsWrapper>
       </PoseGroup>
     );