[APM] Updates head title and fixes breadcrumb string issues (#29960)

* Solves several breadcrumb string/object problems, adds title to page

* Updates breadcrumb tests and adds title tests

* Removes switch logic from route config in favor of a single switch around all routes

* Adding draft version of withBreadcrumbs HOC with TS errors

* ProvideBreadcrumbs implemented

* Adds tests to provide breadcrumb logic

* Fixed up generics and tests

x-pack/package.json

@@ -233,7 +233,6 @@
     "react-portal": "^3.2.0",
     "react-redux": "^5.0.7",
     "react-redux-request": "^1.5.6",
-    "react-router-breadcrumbs-hoc": "1.1.2",
     "react-router-dom": "^4.3.1",
     "react-select": "^1.2.1",
     "react-shortcuts": "^2.0.0",

x-pack/plugins/apm/public/components/app/Main/ProvideBreadcrumbs.tsx

@@ -0,0 +1,134 @@
+/*
+ * Copyright Elasticsearch B.V. and/or licensed to Elasticsearch B.V. under one
+ * or more contributor license agreements. Licensed under the Elastic License;
+ * you may not use this file except in compliance with the Elastic License.
+ */
+
+import { Location } from 'history';
+import React from 'react';
+import {
+  matchPath,
+  RouteComponentProps,
+  RouteProps,
+  withRouter
+} from 'react-router-dom';
+import { StringMap } from 'x-pack/plugins/apm/typings/common';
+
+type LocationMatch = Pick<
+  RouteComponentProps<StringMap<string>>,
+  'location' | 'match'
+>;
+
+export type BreadcrumbFunction = (props: LocationMatch) => string;
+
+export interface BreadcrumbRoute extends RouteProps {
+  breadcrumb: string | BreadcrumbFunction | null;
+}
+
+export interface Breadcrumb extends LocationMatch {
+  value: string;
+}
+
+export interface RenderProps extends RouteComponentProps {
+  breadcrumbs: Breadcrumb[];
+}
+
+export interface ProvideBreadcrumbsProps extends RouteComponentProps {
+  routes: BreadcrumbRoute[];
+  render: (props: RenderProps) => React.ReactElement<any> | null;
+}
+
+interface ParseOptions extends LocationMatch {
+  breadcrumb: string | BreadcrumbFunction;
+}
+
+const parse = (options: ParseOptions) => {
+  const { breadcrumb, match, location } = options;
+  let value;
+
+  if (typeof breadcrumb === 'function') {
+    value = breadcrumb({ match, location });
+  } else {
+    value = breadcrumb;
+  }
+
+  return { value, match, location };
+};
+
+export function getBreadcrumb({
+  location,
+  currentPath,
+  routes
+}: {
+  location: Location;
+  currentPath: string;
+  routes: BreadcrumbRoute[];
+}) {
+  return routes.reduce<Breadcrumb | null>((found, { breadcrumb, ...route }) => {
+    if (found) {
+      return found;
+    }
+
+    if (!breadcrumb) {
+      return null;
+    }
+
+    const match = matchPath<StringMap<string>>(currentPath, route);
+
+    if (match) {
+      return parse({
+        breadcrumb,
+        match,
+        location
+      });
+    }
+
+    return null;
+  }, null);
+}
+
+export function getBreadcrumbs({
+  routes,
+  location
+}: {
+  routes: BreadcrumbRoute[];
+  location: Location;
+}) {
+  const breadcrumbs: Breadcrumb[] = [];
+  const { pathname } = location;
+
+  pathname
+    .split('?')[0]
+    .replace(/\/$/, '')
+    .split('/')
+    .reduce((acc, next) => {
+      // `/1/2/3` results in match checks for `/1`, `/1/2`, `/1/2/3`.
+      const currentPath = !next ? '/' : `${acc}/${next}`;
+      const breadcrumb = getBreadcrumb({
+        location,
+        currentPath,
+        routes
+      });
+
+      if (breadcrumb) {
+        breadcrumbs.push(breadcrumb);
+      }
+
+      return currentPath === '/' ? '' : currentPath;
+    }, '');
+
+  return breadcrumbs;
+}
+
+function ProvideBreadcrumbsComponent({
+  routes = [],
+  render,
+  location,
+  match,
+  history
+}: ProvideBreadcrumbsProps) {
+  const breadcrumbs = getBreadcrumbs({ routes, location });
+  return render({ breadcrumbs, location, match, history });
+}
+
+export const ProvideBreadcrumbs = withRouter(ProvideBreadcrumbsComponent);

x-pack/plugins/apm/public/components/app/Main/UpdateBreadcrumbs.tsx

@@ -5,32 +5,28 @@
  */
 
 import { Location } from 'history';
-import { flatten } from 'lodash';
+import { last } from 'lodash';
 import React from 'react';
-// @ts-ignore
-import { withBreadcrumbs } from 'react-router-breadcrumbs-hoc';
 import chrome from 'ui/chrome';
 import { toQuery } from '../../shared/Links/url_helpers';
+import { Breadcrumb, ProvideBreadcrumbs } from './ProvideBreadcrumbs';
 import { routes } from './routeConfig';
 
 interface Props {
   location: Location;
-  breadcrumbs: Array<{
-    breadcrumb: any;
-    match: {
-      url: string;
-    };
-  }>;
+  breadcrumbs: Breadcrumb[];
 }
 
 class UpdateBreadcrumbsComponent extends React.Component<Props> {
   public updateHeaderBreadcrumbs() {
     const { _g = '', kuery = '' } = toQuery(this.props.location.search);
-    const breadcrumbs = this.props.breadcrumbs.map(({ breadcrumb, match }) => ({
-      text: breadcrumb,
+    const breadcrumbs = this.props.breadcrumbs.map(({ value, match }) => ({
+      text: value,
       href: `#${match.url}?_g=${_g}&kuery=${kuery}`
     }));
 
+    const current = last(breadcrumbs) || { text: '' };
+    document.title = current.text;
     chrome.breadcrumbs.set(breadcrumbs);
   }
 
@@ -47,12 +43,16 @@ class UpdateBreadcrumbsComponent extends React.Component<Props> {
   }
 }
 
-const flatRoutes = flatten(
-  routes.map(route => (route.switchRoutes ? route.switchRoutes : route))
-);
-
-const UpdateBreadcrumbs = withBreadcrumbs(flatRoutes)(
-  UpdateBreadcrumbsComponent
-);
-
-export { UpdateBreadcrumbs };
+export function UpdateBreadcrumbs() {
+  return (
+    <ProvideBreadcrumbs
+      routes={routes}
+      render={({ breadcrumbs, location }) => (
+        <UpdateBreadcrumbsComponent
+          breadcrumbs={breadcrumbs}
+          location={location}
+        />
+      )}
+    />
+  );
+}

x-pack/plugins/apm/public/components/app/Main/__test__/ProvideBreadcrumbs.test.tsx

@@ -0,0 +1,100 @@
+/*
+ * Copyright Elasticsearch B.V. and/or licensed to Elasticsearch B.V. under one
+ * or more contributor license agreements. Licensed under the Elastic License;
+ * you may not use this file except in compliance with the Elastic License.
+ */
+
+import { Location } from 'history';
+import { BreadcrumbRoute, getBreadcrumbs } from '../ProvideBreadcrumbs';
+
+describe('getBreadcrumbs', () => {
+  const getTestRoutes = (): BreadcrumbRoute[] => [
+    { path: '/a', exact: true, breadcrumb: 'A' },
+    { path: '/a/ignored', exact: true, breadcrumb: 'Ignored Route' },
+    {
+      path: '/a/:letter',
+      exact: true,
+      breadcrumb: ({ match }) => `Second level: ${match.params.letter}`
+    },
+    {
+      path: '/a/:letter/c',
+      exact: true,
+      breadcrumb: ({ match }) => `Third level: ${match.params.letter}`
+    }
+  ];
+
+  const getLocation = () =>
+    ({
+      pathname: '/a/b/c/'
+    } as Location);
+
+  it('should return a set of matching breadcrumbs for a given path', () => {
+    const breadcrumbs = getBreadcrumbs({
+      location: getLocation(),
+      routes: getTestRoutes()
+    });
+
+    expect(breadcrumbs.map(b => b.value)).toMatchInlineSnapshot(`
+Array [
+  "A",
+  "Second level: b",
+  "Third level: b",
+]
+`);
+  });
+
+  it('should skip breadcrumbs if breadcrumb is null', () => {
+    const location = getLocation();
+    const routes = getTestRoutes();
+
+    routes[2].breadcrumb = null;
+
+    const breadcrumbs = getBreadcrumbs({
+      location,
+      routes
+    });
+
+    expect(breadcrumbs.map(b => b.value)).toMatchInlineSnapshot(`
+Array [
+  "A",
+  "Third level: b",
+]
+`);
+  });
+
+  it('should skip breadcrumbs if breadcrumb key is missing', () => {
+    const location = getLocation();
+    const routes = getTestRoutes();
+
+    delete routes[2].breadcrumb;
+
+    const breadcrumbs = getBreadcrumbs({ location, routes });
+
+    expect(breadcrumbs.map(b => b.value)).toMatchInlineSnapshot(`
+Array [
+  "A",
+  "Third level: b",
+]
+`);
+  });
+
+  it('should produce matching breadcrumbs even if the pathname has a query string appended', () => {
+    const location = getLocation();
+    const routes = getTestRoutes();
+
+    location.pathname += '?some=thing';
+
+    const breadcrumbs = getBreadcrumbs({
+      location,
+      routes
+    });
+
+    expect(breadcrumbs.map(b => b.value)).toMatchInlineSnapshot(`
+Array [
+  "A",
+  "Second level: b",
+  "Third level: b",
+]
+`);
+  });
+});

x-pack/plugins/apm/public/components/app/Main/__test__/UpdateBreadcrumbs.test.js

@@ -46,37 +46,56 @@ function expectBreadcrumbToMatchSnapshot(route) {
 }
 
 describe('Breadcrumbs', () => {
+  let realDoc;
+
   beforeEach(() => {
+    realDoc = global.document;
+    global.document = {
+      title: 'Kibana'
+    };
     chrome.breadcrumbs.set.mockReset();
   });
 
+  afterEach(() => {
+    global.document = realDoc;
+  });
+
   it('Homepage', () => {
     expectBreadcrumbToMatchSnapshot('/');
+    expect(global.document.title).toMatchInlineSnapshot(`"APM"`);
   });
 
   it('/:serviceName/errors/:groupId', () => {
     expectBreadcrumbToMatchSnapshot('/opbeans-node/errors/myGroupId');
+    expect(global.document.title).toMatchInlineSnapshot(`"myGroupId"`);
   });
 
   it('/:serviceName/errors', () => {
     expectBreadcrumbToMatchSnapshot('/opbeans-node/errors');
+    expect(global.document.title).toMatchInlineSnapshot(`"Errors"`);
   });
 
   it('/:serviceName', () => {
     expectBreadcrumbToMatchSnapshot('/opbeans-node');
+    expect(global.document.title).toMatchInlineSnapshot(`"opbeans-node"`);
   });
 
   it('/:serviceName/transactions', () => {
     expectBreadcrumbToMatchSnapshot('/opbeans-node/transactions');
+    expect(global.document.title).toMatchInlineSnapshot(`"Transactions"`);
   });
 
   it('/:serviceName/transactions/:transactionType', () => {
     expectBreadcrumbToMatchSnapshot('/opbeans-node/transactions/request');
+    expect(global.document.title).toMatchInlineSnapshot(`"Transactions"`);
   });
 
   it('/:serviceName/transactions/:transactionType/:transactionName', () => {
     expectBreadcrumbToMatchSnapshot(
-      '/:serviceName/transactions/request/my-transaction-name'
+      '/opbeans-node/transactions/request/my-transaction-name'
+    );
+    expect(global.document.title).toMatchInlineSnapshot(
+      `"my-transaction-name"`
     );
   });
 });

x-pack/plugins/apm/public/components/app/Main/__test__/__snapshots__/UpdateBreadcrumbs.test.js.snap

@@ -8,18 +8,7 @@ Array [
   },
   Object {
     "href": "#/opbeans-node?_g=myG&kuery=myKuery",
-    "text": <breadcrumb
-      match={
-        Object {
-          "isExact": true,
-          "params": Object {
-            "serviceName": "opbeans-node",
-          },
-          "path": "/:serviceName",
-          "url": "/opbeans-node",
-        }
-      }
-    />,
+    "text": "opbeans-node",
   },
 ]
 `;
@@ -32,18 +21,7 @@ Array [
   },
   Object {
     "href": "#/opbeans-node?_g=myG&kuery=myKuery",
-    "text": <breadcrumb
-      match={
-        Object {
-          "isExact": true,
-          "params": Object {
-            "serviceName": "opbeans-node",
-          },
-          "path": "/:serviceName",
-          "url": "/opbeans-node",
-        }
-      }
-    />,
+    "text": "opbeans-node",
   },
   Object {
     "href": "#/opbeans-node/errors?_g=myG&kuery=myKuery",
@@ -60,18 +38,7 @@ Array [
   },
   Object {
     "href": "#/opbeans-node?_g=myG&kuery=myKuery",
-    "text": <breadcrumb
-      match={
-        Object {
-          "isExact": true,
-          "params": Object {
-            "serviceName": "opbeans-node",
-          },
-          "path": "/:serviceName",
-          "url": "/opbeans-node",
-        }
-      }
-    />,
+    "text": "opbeans-node",
   },
   Object {
     "href": "#/opbeans-node/errors?_g=myG&kuery=myKuery",
@@ -79,19 +46,7 @@ Array [
   },
   Object {
     "href": "#/opbeans-node/errors/myGroupId?_g=myG&kuery=myKuery",
-    "text": <breadcrumb
-      match={
-        Object {
-          "isExact": true,
-          "params": Object {
-            "groupId": "myGroupId",
-            "serviceName": "opbeans-node",
-          },
-          "path": "/:serviceName/errors/:groupId",
-          "url": "/opbeans-node/errors/myGroupId",
-        }
-      }
-    />,
+    "text": "myGroupId",
   },
 ]
 `;
@@ -104,18 +59,7 @@ Array [
   },
   Object {
     "href": "#/opbeans-node?_g=myG&kuery=myKuery",
-    "text": <breadcrumb
-      match={
-        Object {
-          "isExact": true,
-          "params": Object {
-            "serviceName": "opbeans-node",
-          },
-          "path": "/:serviceName",
-          "url": "/opbeans-node",
-        }
-      }
-    />,
+    "text": "opbeans-node",
   },
   Object {
     "href": "#/opbeans-node/transactions?_g=myG&kuery=myKuery",
@@ -132,18 +76,7 @@ Array [
   },
   Object {
     "href": "#/opbeans-node?_g=myG&kuery=myKuery",
-    "text": <breadcrumb
-      match={
-        Object {
-          "isExact": true,
-          "params": Object {
-            "serviceName": "opbeans-node",
-          },
-          "path": "/:serviceName",
-          "url": "/opbeans-node",
-        }
-      }
-    />,
+    "text": "opbeans-node",
   },
   Object {
     "href": "#/opbeans-node/transactions?_g=myG&kuery=myKuery",
@@ -159,40 +92,16 @@ Array [
     "text": "APM",
   },
   Object {
-    "href": "#/:serviceName?_g=myG&kuery=myKuery",
-    "text": <breadcrumb
-      match={
-        Object {
-          "isExact": true,
-          "params": Object {
-            "serviceName": ":serviceName",
-          },
-          "path": "/:serviceName",
-          "url": "/:serviceName",
-        }
-      }
-    />,
+    "href": "#/opbeans-node?_g=myG&kuery=myKuery",
+    "text": "opbeans-node",
   },
   Object {
-    "href": "#/:serviceName/transactions?_g=myG&kuery=myKuery",
+    "href": "#/opbeans-node/transactions?_g=myG&kuery=myKuery",
     "text": "Transactions",
   },
   Object {
-    "href": "#/:serviceName/transactions/request/my-transaction-name?_g=myG&kuery=myKuery",
-    "text": <breadcrumb
-      match={
-        Object {
-          "isExact": true,
-          "params": Object {
-            "serviceName": ":serviceName",
-            "transactionName": "my-transaction-name",
-            "transactionType": "request",
-          },
-          "path": "/:serviceName/transactions/:transactionType/:transactionName",
-          "url": "/:serviceName/transactions/request/my-transaction-name",
-        }
-      }
-    />,
+    "href": "#/opbeans-node/transactions/request/my-transaction-name?_g=myG&kuery=myKuery",
+    "text": "my-transaction-name",
   },
 ]
 `;

x-pack/plugins/apm/public/components/app/Main/index.js

@@ -25,17 +25,11 @@ export default function Main() {
       <UpdateBreadcrumbs />
       <Route component={ConnectRouterToRedux} />
       <Route component={ScrollToTopOnPathChange} />
-      {routes.map((route, i) => {
-        return route.switchRoutes ? (
-          <Switch key={i}>
-            {route.switchRoutes.map((route, i) => (
-              <Route key={i} {...route} />
-            ))}
-          </Switch>
-        ) : (
+      <Switch>
+        {routes.map((route, i) => (
           <Route key={i} {...route} />
-        );
-      })}
+        ))}
+      </Switch>
     </MainContainer>
   );
 }

x-pack/plugins/apm/public/components/app/Main/routeConfig.tsx

@@ -6,32 +6,19 @@
 
 import { i18n } from '@kbn/i18n';
 import React from 'react';
-import { Redirect, RouteComponentProps, RouteProps } from 'react-router-dom';
+import { Redirect, RouteComponentProps } from 'react-router-dom';
 import { legacyDecodeURIComponent } from 'x-pack/plugins/apm/public/components/shared/Links/url_helpers';
-import { StringMap } from '../../../../typings/common';
 // @ts-ignore
 import ErrorGroupDetails from '../ErrorGroupDetails';
 import { ServiceDetails } from '../ServiceDetails';
 import { TransactionDetails } from '../TransactionDetails';
 import { Home } from './Home';
-
-interface BreadcrumbArgs {
-  match: {
-    params: StringMap;
-  };
-}
+import { BreadcrumbRoute } from './ProvideBreadcrumbs';
 
 interface RouteParams {
   serviceName: string;
 }
 
-type BreadcrumbFunction = (args: BreadcrumbArgs) => string | null;
-
-interface Route extends RouteProps {
-  switchRoutes?: Route[];
-  breadcrumb?: string | BreadcrumbFunction | null;
-}
-
 const renderAsRedirectTo = (to: string) => {
   return ({ location }: RouteComponentProps<RouteParams>) => (
     <Redirect
@@ -43,18 +30,57 @@ const renderAsRedirectTo = (to: string) => {
   );
 };
 
-export const routes: Route[] = [
+export const routes: BreadcrumbRoute[] = [
   {
     exact: true,
     path: '/',
     render: renderAsRedirectTo('/services'),
     breadcrumb: 'APM'
   },
+  {
+    exact: true,
+    path: '/invalid-license',
+    breadcrumb: i18n.translate('xpack.apm.breadcrumb.invalidLicenseTitle', {
+      defaultMessage: 'Invalid License'
+    }),
+    render: () => (
+      <div>
+        {i18n.translate('xpack.apm.invalidLicenseLabel', {
+          defaultMessage: 'Invalid license'
+        })}
+      </div>
+    )
+  },
+  {
+    exact: true,
+    path: '/services',
+    component: Home,
+    breadcrumb: i18n.translate('xpack.apm.breadcrumb.servicesTitle', {
+      defaultMessage: 'Services'
+    })
+  },
+  {
+    exact: true,
+    path: '/traces',
+    component: Home,
+    breadcrumb: i18n.translate('xpack.apm.breadcrumb.tracesTitle', {
+      defaultMessage: 'Traces'
+    })
+  },
+  {
+    exact: true,
+    path: '/:serviceName',
+    breadcrumb: ({ match }) => match.params.serviceName,
+    render: (props: RouteComponentProps<RouteParams>) =>
+      renderAsRedirectTo(`/${props.match.params.serviceName}/transactions`)(
+        props
+      )
+  },
   {
     exact: true,
     path: '/:serviceName/errors/:groupId',
     component: ErrorGroupDetails,
-    breadcrumb: ({ match }: BreadcrumbArgs) => match.params.groupId
+    breadcrumb: ({ match }) => match.params.groupId
   },
   {
     exact: true,
@@ -64,49 +90,6 @@ export const routes: Route[] = [
       defaultMessage: 'Errors'
     })
   },
-  {
-    switchRoutes: [
-      {
-        exact: true,
-        path: '/invalid-license',
-        breadcrumb: i18n.translate('xpack.apm.breadcrumb.invalidLicenseTitle', {
-          defaultMessage: 'Invalid License'
-        }),
-        render: () => (
-          <div>
-            {i18n.translate('xpack.apm.invalidLicenseLabel', {
-              defaultMessage: 'Invalid license'
-            })}
-          </div>
-        )
-      },
-      {
-        exact: true,
-        path: '/services',
-        component: Home,
-        breadcrumb: i18n.translate('xpack.apm.breadcrumb.servicesTitle', {
-          defaultMessage: 'Services'
-        })
-      },
-      {
-        exact: true,
-        path: '/traces',
-        component: Home,
-        breadcrumb: i18n.translate('xpack.apm.breadcrumb.tracesTitle', {
-          defaultMessage: 'Traces'
-        })
-      },
-      {
-        exact: true,
-        path: '/:serviceName',
-        breadcrumb: ({ match }: BreadcrumbArgs) => match.params.serviceName,
-        render: (props: RouteComponentProps<RouteParams>) =>
-          renderAsRedirectTo(`/${props.match.params.serviceName}/transactions`)(
-            props
-          )
-      }
-    ]
-  },
   {
     exact: true,
     path: '/:serviceName/transactions',
@@ -135,7 +118,7 @@ export const routes: Route[] = [
     exact: true,
     path: '/:serviceName/transactions/:transactionType/:transactionName',
     component: TransactionDetails,
-    breadcrumb: ({ match }: BreadcrumbArgs) =>
-      legacyDecodeURIComponent(match.params.transactionName)
+    breadcrumb: ({ match }) =>
+      legacyDecodeURIComponent(match.params.transactionName) || ''
   }
 ];

yarn.lock

@@ -17815,11 +17815,6 @@ react-resizable@1.x:
     prop-types "15.x"
     react-draggable "^2.2.6 || ^3.0.3"
 
-react-router-breadcrumbs-hoc@1.1.2:
-  version "1.1.2"
-  resolved "https://registry.yarnpkg.com/react-router-breadcrumbs-hoc/-/react-router-breadcrumbs-hoc-1.1.2.tgz#4fafb620e7c6b876d98f7151f4c85ae5c3157dc0"
-  integrity sha1-T6+2IOfGuHbZj3FR9Mha5cMVfcA=
-
 react-router-dom@4.2.2:
   version "4.2.2"
   resolved "https://registry.yarnpkg.com/react-router-dom/-/react-router-dom-4.2.2.tgz#c8a81df3adc58bba8a76782e946cbd4eae649b8d"