feat(dep-graph): launch path tracing (#9919)

dep-graph/client-e2e/src/integration/app.spec.ts

@@ -1,6 +1,7 @@
 import {
   getCheckedProjectItems,
   getDeselectAllButton,
+  getFocusButtonForProject,
   getGroupByFolderCheckbox,
   getImageDownloadButton,
   getIncludeProjectsInPathButton,
@@ -146,7 +147,7 @@ describe('dep-graph-client', () => {
   describe('focusing projects in sidebar', () => {
     it('should select appropriate projects', () => {
       cy.contains('nx-dev').scrollIntoView().should('be.visible');
-      cy.get('[data-project="nx-dev"]').prev('button').click({ force: true });
+      getFocusButtonForProject('nx-dev').click({ force: true });
 
       getCheckedProjectItems().should('have.length', 11);
     });
@@ -154,7 +155,7 @@ describe('dep-graph-client', () => {
 
   describe('unfocus button', () => {
     it('should uncheck all project items', () => {
-      cy.get('[data-project="nx-dev"]').prev('button').click({ force: true });
+      getFocusButtonForProject('nx-dev').click({ force: true });
       getUnfocusProjectButton().click();
 
       getUncheckedProjectItems().should('have.length', 62);
@@ -182,12 +183,12 @@ describe('dep-graph-client', () => {
     });
 
     it('should be shown when a project is selected', () => {
-      cy.get('[data-project="nx-dev"]').prev('button').click({ force: true });
+      cy.get('[data-project="nx-dev"]').click({ force: true });
       getImageDownloadButton().should('not.have.class', 'opacity-0');
     });
 
     it('should be hidden when no more projects are selected', () => {
-      cy.get('[data-project="nx-dev"]').prev('button').click({ force: true });
+      cy.get('[data-project="nx-dev"]').click({ force: true });
       getDeselectAllButton().click();
       getImageDownloadButton().should('have.class', 'opacity-0');
     });
@@ -196,7 +197,7 @@ describe('dep-graph-client', () => {
   describe('setting url params', () => {
     it('should set focused project', () => {
       cy.contains('nx-dev').scrollIntoView().should('be.visible');
-      cy.get('[data-project="nx-dev"]').prev('button').click({ force: true });
+      getFocusButtonForProject('nx-dev').click({ force: true });
 
       cy.url().should('contain', 'focus=nx-dev');
     });

dep-graph/client-e2e/src/support/app.po.ts

@@ -29,3 +29,6 @@ export const getIncludeProjectsInPathButton = () =>
 
 export const getImageDownloadButton = () =>
   cy.get('[data-cy=downloadImageButton]');
+
+export const getFocusButtonForProject = (projectName: string) =>
+  cy.get(`[data-cy="focus-button-${projectName}"]`);

dep-graph/client-e2e/src/watch-mode-integration/watch-mode.spec.ts

@@ -23,8 +23,8 @@ describe('dep-graph-client in watch mode', () => {
   // TODO: This test is getting flaky but was fixed by increasing the tick time between checks
   // Figure out a better way to test this
   it('should retain selected projects as new libs are created', () => {
-    cy.contains('existing-app-1').siblings('button').click();
+    cy.get('[data-project="existing-app-1"]').click();
-    cy.contains('existing-lib-1').siblings('button').click();
+    cy.get('[data-project="existing-lib-1"]').click();
 
     cy.tick(6000);
 

dep-graph/client/src/app/machines/dep-graph.machine.ts

@@ -40,6 +40,7 @@ export const initialContext: DepGraphContext = {
   tracing: {
     start: null,
     end: null,
+    algorithm: 'shortest',
   },
 };
 
@@ -211,6 +212,15 @@ export const depGraphMachine = Machine<
       setSearchDepth: {
         actions: ['setSearchDepth', 'notifyRouteSearchDepth'],
       },
+      setTracingAlgorithm: {
+        actions: [
+          assign((ctx, event) => {
+            ctx.tracing.algorithm = event.algorithm;
+          }),
+          'notifyRouteTracing',
+          'notifyGraphTracing',
+        ],
+      },
       filterByText: {
         target: 'textFiltered',
       },
@@ -280,6 +290,7 @@ export const depGraphMachine = Machine<
             type: 'notifyGraphTracing',
             start: ctx.tracing.start,
             end: ctx.tracing.end,
+            algorithm: ctx.tracing.algorithm,
           };
         },
         {
@@ -385,6 +396,7 @@ export const depGraphMachine = Machine<
             type: 'notifyRouteTracing',
             start: ctx.tracing.start,
             end: ctx.tracing.end,
+            algorithm: ctx.tracing.algorithm,
           };
         },
         {

dep-graph/client/src/app/machines/graph.ts

@@ -110,8 +110,11 @@ export class GraphService {
 
       case 'notifyGraphTracing':
         if (event.start && event.end) {
-          this.traceProjects(event.start, event.end);
+          if (event.algorithm === 'shortest') {
-          // this.traceAllProjects(event.start, event.end);
+            this.traceProjects(event.start, event.end);
+          } else {
+            this.traceAllProjects(event.start, event.end);
+          }
         }
         break;
     }
@@ -390,13 +393,6 @@ export class GraphService {
     if (iterations >= 1000) {
       console.log('failsafe triggered!');
     }
-    paths.forEach((currentPath) => {
-      console.log(
-        currentPath
-          .map((path) => path.map((element) => element.id()))
-          .join(' => ')
-      );
-    });
 
     let finalCollection = this.traversalGraph.collection();
 
@@ -413,11 +409,10 @@ export class GraphService {
       }
     });
 
-    console.log(finalCollection.length);
-
     finalCollection.union(finalCollection.ancestors());
-    console.log(finalCollection.map((element) => element.id()));
+    this.transferToRenderGraph(
-    this.transferToRenderGraph(finalCollection);
+      finalCollection.union(finalCollection.ancestors())
+    );
   }
 
   private transferToRenderGraph(elements: cy.Collection) {

dep-graph/client/src/app/machines/interfaces.ts

@@ -22,6 +22,8 @@ export interface GraphPerfReport {
   numNodes: number;
   numEdges: number;
 }
+
+export type TracingAlgorithmType = 'shortest' | 'all';
 // The events that the machine handles
 
 export type DepGraphUIEvents =
@@ -40,6 +42,7 @@ export type DepGraphUIEvents =
   | { type: 'setTracingEnd'; projectName: string }
   | { type: 'clearTraceStart' }
   | { type: 'clearTraceEnd' }
+  | { type: 'setTracingAlgorithm'; algorithm: TracingAlgorithmType }
   | { type: 'setCollapseEdges'; collapseEdges: boolean }
   | { type: 'setIncludeProjectsByPath'; includeProjectsByPath: boolean }
   | { type: 'incrementSearchDepth' }
@@ -126,6 +129,7 @@ export type GraphRenderEvents =
       type: 'notifyGraphTracing';
       start: string;
       end: string;
+      algorithm: TracingAlgorithmType;
     };
 
 export type RouteEvents =
@@ -156,7 +160,12 @@ export type RouteEvents =
       type: 'notifyRouteSelectAffected';
     }
   | { type: 'notifyRouteClearSelect' }
-  | { type: 'notifyRouteTracing'; start: string; end: string };
+  | {
+      type: 'notifyRouteTracing';
+      start: string;
+      end: string;
+      algorithm: TracingAlgorithmType;
+    };
 
 export type AllEvents = DepGraphUIEvents | GraphRenderEvents | RouteEvents;
 
@@ -184,6 +193,7 @@ export interface DepGraphContext {
   tracing: {
     start: string;
     end: string;
+    algorithm: TracingAlgorithmType;
   };
 }
 

dep-graph/client/src/app/machines/route-listener.actor.ts

@@ -39,6 +39,12 @@ function parseSearchParamsToEvents(searchParams: string): DepGraphUIEvents[] {
           });
         }
         break;
+      case 'traceAlgorithm':
+        if (value === 'shortest' || value === 'all') {
+          // this needs to go before other tracing options or else the default of 'shortest' gets used
+          events.unshift({ type: 'setTracingAlgorithm', algorithm: value });
+        }
+        break;
       case 'traceStart':
         events.push({
           type: 'setTracingStart',

dep-graph/client/src/app/machines/route-setter.machine.ts

@@ -10,7 +10,8 @@ type ParamKeys =
   | 'select'
   | 'collapseEdges'
   | 'traceStart'
-  | 'traceEnd';
+  | 'traceEnd'
+  | 'traceAlgorithm';
 type ParamRecord = Record<ParamKeys, string | null>;
 
 function reduceParamRecordToQueryString(params: ParamRecord): string {
@@ -37,6 +38,7 @@ export const createRouteMachine = () => {
     select: params.get('select'),
     traceStart: params.get('traceStart'),
     traceEnd: params.get('traceEnd'),
+    traceAlgorithm: params.get('traceAlgorithm'),
   };
 
   const initialContext = {
@@ -61,6 +63,7 @@ export const createRouteMachine = () => {
           collapseEdges: null,
           traceStart: null,
           traceEnd: null,
+          traceAlgorithm: null,
         },
       },
       always: {
@@ -129,15 +132,17 @@ export const createRouteMachine = () => {
         },
         notifyRouteTracing: {
           actions: assign((ctx, event) => {
-            if (event.start !== null && event.end !== null) {
+            if (event.start !== null && event.end !== null && event.algorithm) {
               ctx.params.traceStart = event.start;
               ctx.params.traceEnd = event.end;
+              ctx.params.traceAlgorithm = event.algorithm;
 
               ctx.params.focus = null;
               ctx.params.select = null;
             } else {
               ctx.params.traceStart = null;
               ctx.params.traceEnd = null;
+              ctx.params.traceAlgorithm = null;
             }
           }),
         },

dep-graph/client/src/app/machines/selectors.ts

@@ -2,7 +2,7 @@
 import type { ProjectGraphProjectNode } from '@nrwl/devkit';
 import { DepGraphSelector } from '../hooks/use-dep-graph-selector';
 import { WorkspaceLayout } from '../interfaces';
-import { GraphPerfReport } from './interfaces';
+import { GraphPerfReport, TracingAlgorithmType } from './interfaces';
 
 export const allProjectsSelector: DepGraphSelector<
   ProjectGraphProjectNode[]
@@ -52,4 +52,5 @@ export const hasAffectedProjectsSelector: DepGraphSelector<boolean> = (state) =>
 export const getTracingInfo: DepGraphSelector<{
   start: string;
   end: string;
+  algorithm: TracingAlgorithmType;
 }> = (state) => state.context.tracing;

dep-graph/client/src/app/machines/tracing.state.ts

@@ -13,6 +13,15 @@ export const tracingStateConfig: DepGraphStateNodeConfig = {
     'notifyRouteTracing',
     'notifyGraphTracing',
   ],
+  exit: [
+    assign((ctx, event) => {
+      if (event.type !== 'setTracingStart' && event.type !== 'setTracingEnd') {
+        ctx.tracing.start = null;
+        ctx.tracing.end = null;
+      }
+    }),
+    'notifyRouteTracing',
+  ],
   on: {
     clearTraceStart: {
       actions: [

dep-graph/client/src/app/project-node-tooltip.tsx

@@ -1,4 +1,3 @@
-import ExperimentalFeature from './experimental-feature';
 import { getDepGraphService } from './machines/dep-graph.service';
 
 export interface ProjectNodeToolTipProps {
@@ -53,38 +52,36 @@ function ProjectNodeToolTip({ type, id, tags }: ProjectNodeToolTipProps) {
       <div className="flex">
         <button onClick={onFocus}>Focus</button>
         <button onClick={onExclude}>Exclude</button>
-        <ExperimentalFeature>
+        <button className="flex flex-row items-center" onClick={onStartTrace}>
-          <button className="flex flex-row items-center" onClick={onStartTrace}>
+          <svg
-            <svg
+            xmlns="http://www.w3.org/2000/svg"
-              xmlns="http://www.w3.org/2000/svg"
+            className="mr-2 h-5 w-5 text-slate-500"
-              className="mr-2 h-5 w-5 text-slate-500"
+            viewBox="0 0 20 20"
-              viewBox="0 0 20 20"
+            fill="currentColor"
-              fill="currentColor"
+          >
-            >
+            <path
-              <path
+              fillRule="evenodd"
-                fillRule="evenodd"
+              d="M5.05 4.05a7 7 0 119.9 9.9L10 18.9l-4.95-4.95a7 7 0 010-9.9zM10 11a2 2 0 100-4 2 2 0 000 4z"
-                d="M5.05 4.05a7 7 0 119.9 9.9L10 18.9l-4.95-4.95a7 7 0 010-9.9zM10 11a2 2 0 100-4 2 2 0 000 4z"
+              clipRule="evenodd"
-                clipRule="evenodd"
+            />
-              />
+          </svg>
-            </svg>
+          Start
-            Start
+        </button>
-          </button>
+        <button className="flex flex-row items-center" onClick={onEndTrace}>
-          <button className="flex flex-row items-center" onClick={onEndTrace}>
+          <svg
-            <svg
+            xmlns="http://www.w3.org/2000/svg"
-              xmlns="http://www.w3.org/2000/svg"
+            className="mr-2 h-5 w-5 text-slate-500"
-              className="mr-2 h-5 w-5 text-slate-500"
+            viewBox="0 0 20 20"
-              viewBox="0 0 20 20"
+            fill="currentColor"
-              fill="currentColor"
+          >
-            >
+            <path
-              <path
+              fillRule="evenodd"
-                fillRule="evenodd"
+              d="M3 6a3 3 0 013-3h10a1 1 0 01.8 1.6L14.25 8l2.55 3.4A1 1 0 0116 13H6a1 1 0 00-1 1v3a1 1 0 11-2 0V6z"
-                d="M3 6a3 3 0 013-3h10a1 1 0 01.8 1.6L14.25 8l2.55 3.4A1 1 0 0116 13H6a1 1 0 00-1 1v3a1 1 0 11-2 0V6z"
+              clipRule="evenodd"
-                clipRule="evenodd"
+            />
-              />
+          </svg>
-            </svg>
+          End
-            End
+        </button>
-          </button>
-        </ExperimentalFeature>
       </div>
     </div>
   );

dep-graph/client/src/app/sidebar/project-list.tsx

@@ -1,14 +1,21 @@
-import { DocumentSearchIcon } from '@heroicons/react/solid';
+import {
+  DocumentSearchIcon,
+  FlagIcon,
+  LocationMarkerIcon,
+} from '@heroicons/react/solid';
 // nx-ignore-next-line
 import type { ProjectGraphNode } from '@nrwl/devkit';
 import { useDepGraphService } from '../hooks/use-dep-graph';
 import { useDepGraphSelector } from '../hooks/use-dep-graph-selector';
 import {
   allProjectsSelector,
+  getTracingInfo,
   selectedProjectNamesSelector,
   workspaceLayoutSelector,
 } from '../machines/selectors';
 import { parseParentDirectoriesFromFilePath } from '../util';
+import { TracingAlgorithmType } from '../machines/interfaces';
+import ExperimentalFeature from '../experimental-feature';
 
 function getProjectsByType(type: string, projects: ProjectGraphNode[]) {
   return projects
@@ -23,6 +30,12 @@ interface SidebarProject {
 
 type DirectoryProjectRecord = Record<string, SidebarProject[]>;
 
+interface TracingInfo {
+  start: string;
+  end: string;
+  algorithm: TracingAlgorithmType;
+}
+
 function groupProjectsByDirectory(
   projects: ProjectGraphNode[],
   selectedProjects: string[],
@@ -58,17 +71,24 @@ function ProjectListItem({
   project,
   toggleProject,
   focusProject,
+  startTrace,
+  endTrace,
+  tracingInfo,
 }: {
   project: SidebarProject;
   toggleProject: (projectId: string, currentlySelected: boolean) => void;
   focusProject: (projectId: string) => void;
+  startTrace: (projectId: string) => void;
+  endTrace: (projectId: string) => void;
+  tracingInfo: TracingInfo;
 }) {
   return (
-    <li className="relative block cursor-default select-none py-1 pl-3 pr-9 text-xs text-slate-600 dark:text-slate-400">
+    <li className="relative block cursor-default select-none py-1 pl-2 pr-6 text-xs text-slate-600 dark:text-slate-400">
       <div className="flex items-center">
         <button
+          data-cy={`focus-button-${project.projectGraphNode.name}`}
           type="button"
-          className="flex rounded-md"
+          className="mr-1 flex rounded-md"
           title="Focus on this library"
           onClick={() => focusProject(project.projectGraphNode.name)}
         >
@@ -76,9 +96,47 @@ function ProjectListItem({
             <DocumentSearchIcon className="h-5 w-5" />
           </span>
         </button>
+
+        <ExperimentalFeature>
+          <button
+            type="button"
+            className="mr-1 flex rounded-md"
+            title="Start Trace"
+            onClick={() => startTrace(project.projectGraphNode.name)}
+          >
+            <span
+              className={`${
+                tracingInfo.start === project.projectGraphNode.name
+                  ? 'ring-blue-nx-base'
+                  : 'ring-slate-200 dark:ring-slate-600'
+              } flex items-center rounded-md bg-white p-1 font-medium  shadow-sm ring-1 transition hover:bg-slate-50 dark:bg-slate-800 dark:text-slate-400 dark:ring-slate-600 hover:dark:bg-slate-700`}
+            >
+              <LocationMarkerIcon className="h-5 w-5" />
+            </span>
+          </button>
+
+          <button
+            type="button"
+            className="flex rounded-md"
+            title="End Trace"
+            onClick={() => endTrace(project.projectGraphNode.name)}
+          >
+            <span
+              className={`${
+                tracingInfo.end === project.projectGraphNode.name
+                  ? 'ring-blue-nx-base'
+                  : 'ring-slate-200 dark:ring-slate-600'
+              } flex items-center rounded-md bg-white p-1 font-medium  shadow-sm ring-1 transition hover:bg-slate-50 dark:bg-slate-800 dark:text-slate-400 dark:ring-slate-600 hover:dark:bg-slate-700`}
+            >
+              <FlagIcon className="h-5 w-5" />
+            </span>
+          </button>
+        </ExperimentalFeature>
+
         <label
-          className="ml-3 block w-full cursor-pointer truncate rounded-md p-2 font-mono font-normal transition hover:bg-slate-50 hover:dark:bg-slate-700"
+          className="ml-2 block w-full cursor-pointer truncate rounded-md p-2 font-mono font-normal transition hover:bg-slate-50 hover:dark:bg-slate-700"
           data-project={project.projectGraphNode.name}
+          title={project.projectGraphNode.name}
           data-active={project.isSelected.toString()}
           onClick={() =>
             toggleProject(project.projectGraphNode.name, project.isSelected)
@@ -128,12 +186,18 @@ function SubProjectList({
   selectProject,
   deselectProject,
   focusProject,
+  startTrace,
+  endTrace,
+  tracingInfo,
 }: {
   headerText: string;
   projects: SidebarProject[];
   selectProject: (projectName: string) => void;
   deselectProject: (projectName: string) => void;
   focusProject: (projectName: string) => void;
+  startTrace: (projectId: string) => void;
+  endTrace: (projectId: string) => void;
+  tracingInfo: TracingInfo;
 }) {
   let sortedProjects = [...projects];
   sortedProjects.sort((a, b) => {
@@ -163,6 +227,9 @@ function SubProjectList({
               project={project}
               toggleProject={toggleProject}
               focusProject={focusProject}
+              startTrace={startTrace}
+              endTrace={endTrace}
+              tracingInfo={tracingInfo}
             ></ProjectListItem>
           );
         })}
@@ -173,6 +240,7 @@ function SubProjectList({
 
 export function ProjectList() {
   const depGraphService = useDepGraphService();
+  const tracingInfo = useDepGraphSelector(getTracingInfo);
 
   function deselectProject(projectName: string) {
     depGraphService.send({ type: 'deselectProject', projectName });
@@ -186,6 +254,14 @@ export function ProjectList() {
     depGraphService.send({ type: 'focusProject', projectName });
   }
 
+  function startTrace(projectName: string) {
+    depGraphService.send({ type: 'setTracingStart', projectName });
+  }
+
+  function endTrace(projectName: string) {
+    depGraphService.send({ type: 'setTracingEnd', projectName });
+  }
+
   const projects = useDepGraphSelector(allProjectsSelector);
   const workspaceLayout = useDepGraphSelector(workspaceLayoutSelector);
   const selectedProjects = useDepGraphSelector(selectedProjectNamesSelector);
@@ -229,6 +305,9 @@ export function ProjectList() {
             deselectProject={deselectProject}
             selectProject={selectProject}
             focusProject={focusProject}
+            startTrace={startTrace}
+            endTrace={endTrace}
+            tracingInfo={tracingInfo}
           ></SubProjectList>
         );
       })}
@@ -246,6 +325,9 @@ export function ProjectList() {
             deselectProject={deselectProject}
             selectProject={selectProject}
             focusProject={focusProject}
+            startTrace={startTrace}
+            endTrace={endTrace}
+            tracingInfo={tracingInfo}
           ></SubProjectList>
         );
       })}
@@ -263,6 +345,9 @@ export function ProjectList() {
             deselectProject={deselectProject}
             selectProject={selectProject}
             focusProject={focusProject}
+            startTrace={startTrace}
+            endTrace={endTrace}
+            tracingInfo={tracingInfo}
           ></SubProjectList>
         );
       })}

dep-graph/client/src/app/sidebar/sidebar.tsx

@@ -23,6 +23,7 @@ import ShowHideProjects from './show-hide-projects';
 import TextFilterPanel from './text-filter-panel';
 import ThemePanel from './theme-panel';
 import TracingPanel from './tracing-panel';
+import { TracingAlgorithmType } from '../machines/interfaces';
 
 export function Sidebar() {
   const depGraphService = useDepGraphService();
@@ -33,9 +34,8 @@ export function Sidebar() {
   const hasAffectedProjects = useDepGraphSelector(hasAffectedProjectsSelector);
   const groupByFolder = useDepGraphSelector(groupByFolderSelector);
   const collapseEdges = useDepGraphSelector(collapseEdgesSelector);
-  const environment = useEnvironmentConfig();
 
-  const { showExperimentalFeatures } = environment.appConfig;
+  const isTracing = depGraphService.state.matches('tracing');
 
   // const isTracing = depGraphService.state.matches('tracing');
   const tracingInfo = useDepGraphSelector(getTracingInfo);
@@ -98,6 +98,10 @@ export function Sidebar() {
     depGraphService.send({ type: 'clearTraceEnd' });
   }
 
+  function setAlgorithm(algorithm: TracingAlgorithmType) {
+    depGraphService.send({ type: 'setTracingAlgorithm', algorithm: algorithm });
+  }
+
   const updateTextFilter = useCallback(
     (textFilter: string) => {
       depGraphService.send({ type: 'filterByText', search: textFilter });
@@ -153,15 +157,16 @@ export function Sidebar() {
           resetFocus={resetFocus}
         ></FocusedProjectPanel>
       ) : null}
-
+      {isTracing ? (
-      <ExperimentalFeature>
         <TracingPanel
           start={tracingInfo.start}
           end={tracingInfo.end}
+          algorithm={tracingInfo.algorithm}
+          setAlgorithm={setAlgorithm}
           resetStart={resetTraceStart}
           resetEnd={resetTraceEnd}
         ></TracingPanel>
-      </ExperimentalFeature>
+      ) : null}
 
       <TextFilterPanel
         includePath={includePath}

dep-graph/client/src/app/sidebar/tracing-panel.tsx

@@ -5,22 +5,55 @@ import {
   XCircleIcon,
 } from '@heroicons/react/solid';
 import { memo } from 'react';
+import { TracingAlgorithmType } from '../machines/interfaces';
 
 export interface TracingPanelProps {
   start: string;
   end: string;
+  algorithm: TracingAlgorithmType;
   resetStart: () => void;
   resetEnd: () => void;
+  setAlgorithm: (algorithm: TracingAlgorithmType) => void;
 }
 
 export const TracingPanel = memo(
-  ({ start, end, resetStart, resetEnd }: TracingPanelProps) => {
+  ({
+    start,
+    end,
+    algorithm,
+    setAlgorithm,
+    resetStart,
+    resetEnd,
+  }: TracingPanelProps) => {
     return (
       <div className="mt-10 px-4">
         <div className="transition duration-200 ease-in-out group-hover:opacity-60">
           <h3 className="cursor-text pb-2 text-sm font-semibold uppercase tracking-wide text-slate-800 dark:text-slate-200 lg:text-xs">
             Tracing Path
           </h3>
+          <div className="mb-3 flex cursor-pointer flex-row rounded-md border text-center text-xs dark:border-slate-600">
+            <button
+              onClick={() => setAlgorithm('shortest')}
+              className={`${
+                algorithm === 'shortest'
+                  ? 'border-blue-nx-base dark:border-slate-200'
+                  : 'border-gray-300 dark:border-slate-600'
+              } flex-1 rounded-l-md border bg-slate-50 py-2 px-4 text-slate-500 hover:bg-slate-100 dark:border-slate-600 dark:bg-slate-800 dark:text-slate-300 hover:dark:bg-slate-700`}
+            >
+              <span>Shortest</span>
+            </button>
+            <button
+              onClick={() => setAlgorithm('all')}
+              className={`${
+                algorithm === 'all'
+                  ? 'border-blue-nx-base dark:border-slate-200'
+                  : 'border-gray-300 dark:border-slate-600'
+              } flex-1 rounded-r-md border bg-slate-50 py-2 px-4 text-slate-500 hover:bg-slate-100 dark:bg-slate-800 dark:text-slate-300 hover:dark:bg-slate-700`}
+            >
+              <span>All</span>
+            </button>
+          </div>
+
           <div className="flex flex-row items-center truncate ">
             <LocationMarkerIcon className="mr-2 h-5 w-5 text-slate-500 dark:text-slate-400" />
             {start ? (