feat: allow matching navigation hierarchies with side nav item (#7693)

* feat: allow matching navigation hierarchies with side nav item

* cleanup

* rename property to matchExact

* address review comments

* fix test case

packages/component-base/src/url-utils.js

@@ -27,15 +27,17 @@ function containsQueryParams(actual, expected) {
  *
  * @param {string} actual The actual URL to match.
  * @param {string} expected The expected URL to match.
+ * @param {Object} matchOptions Options for path matching.
  */
-export function matchPaths(actual, expected) {
+export function matchPaths(actual, expected, matchOptions = { matchNested: false }) {
   const base = document.baseURI;
   const actualUrl = new URL(actual, base);
   const expectedUrl = new URL(expected, base);
 
-  return (
-    actualUrl.origin === expectedUrl.origin &&
-    actualUrl.pathname === expectedUrl.pathname &&
-    containsQueryParams(actualUrl.searchParams, expectedUrl.searchParams)
-  );
+  const matchesOrigin = actualUrl.origin === expectedUrl.origin;
+  const matchesPath = matchOptions.matchNested
+    ? actualUrl.pathname === expectedUrl.pathname || actualUrl.pathname.startsWith(`${expectedUrl.pathname}/`)
+    : actualUrl.pathname === expectedUrl.pathname;
+
+  return matchesOrigin && matchesPath && containsQueryParams(actualUrl.searchParams, expectedUrl.searchParams);
 }

packages/component-base/test/url-utils.test.js

@@ -50,6 +50,29 @@ describe('url-utils', () => {
       expect(matchPaths('https://vaadin.com/docs/components', 'components')).to.be.true;
     });
 
+    describe('matchNested option', () => {
+      it('should match the exact path by default', () => {
+        expect(matchPaths('/users', '/users')).to.be.true;
+        expect(matchPaths('/users/', '/users')).to.be.false;
+        expect(matchPaths('/users/john', '/users')).to.be.false;
+        expect(matchPaths('/usersessions', '/users')).to.be.false;
+      });
+
+      it('should match the exact path when matchNested is false', () => {
+        expect(matchPaths('/users', '/users', { matchNested: false })).to.be.true;
+        expect(matchPaths('/users/', '/users', { matchNested: false })).to.be.false;
+        expect(matchPaths('/users/john', '/users', { matchNested: false })).to.be.false;
+        expect(matchPaths('/usersessions', '/users', { matchNested: false })).to.be.false;
+      });
+
+      it('should match nested paths when matchNested is true', () => {
+        expect(matchPaths('/users', '/users', { matchNested: true })).to.be.true;
+        expect(matchPaths('/users/', '/users', { matchNested: true })).to.be.true;
+        expect(matchPaths('/users/john', '/users', { matchNested: true })).to.be.true;
+        expect(matchPaths('/usersessions', '/users', { matchNested: true })).to.be.false;
+      });
+    });
+
     describe('query params', () => {
       it('should return true when query params match', () => {
         expect(matchPaths('/products', '/products')).to.be.true;

packages/side-nav/src/location.js

@@ -0,0 +1,19 @@
+/**
+ * @license
+ * Copyright (c) 2023 - 2024 Vaadin Ltd.
+ * This program is available under Apache License Version 2.0, available at https://vaadin.com/license/
+ */
+
+/**
+ * Facade for `document.location`, can be stubbed for testing.
+ *
+ * For internal use only.
+ */
+export const location = {
+  get pathname() {
+    return document.location.pathname;
+  },
+  get search() {
+    return document.location.search;
+  },
+};

packages/side-nav/src/vaadin-side-nav-item.d.ts

@@ -93,12 +93,28 @@ declare class SideNavItem extends SideNavChildrenMixin(DisabledMixin(ElementMixi
    */
   expanded: boolean;
 
+  /**
+   * Whether to also match nested paths / routes. `false` by default.
+   *
+   * When enabled, an item with the path `/path` is considered current when
+   * the browser URL is `/path`, `/path/child`, `/path/child/grandchild`,
+   * etc.
+   *
+   * Note that this only affects matching of the URLs path, not the base
+   * origin or query parameters.
+   *
+   * @attr {boolean} match-nested
+   */
+  matchNested: boolean;
+
   /**
    * Whether the item's path matches the current browser URL.
    *
    * A match occurs when both share the same base origin (like https://example.com),
-   * the same path (like /path/to/page), and the browser URL contains all
-   * the query parameters with the same values from the item's path.
+   * the same path (like /path/to/page), and the browser URL contains at least
+   * all the query parameters with the same values from the item's path.
+   *
+   * See [`matchNested`](#/elements/vaadin-side-nav-item#property-matchNested) for how to change the path matching behavior.
    *
    * The state is updated when the item is added to the DOM or when the browser
    * navigates to a new page.

packages/side-nav/src/vaadin-side-nav-item.js

@@ -12,6 +12,7 @@ import { ElementMixin } from '@vaadin/component-base/src/element-mixin.js';
 import { PolylitMixin } from '@vaadin/component-base/src/polylit-mixin.js';
 import { matchPaths } from '@vaadin/component-base/src/url-utils.js';
 import { ThemableMixin } from '@vaadin/vaadin-themable-mixin/vaadin-themable-mixin.js';
+import { location } from './location.js';
 import { sideNavItemBaseStyles } from './vaadin-side-nav-base-styles.js';
 import { SideNavChildrenMixin } from './vaadin-side-nav-children-mixin.js';
 
@@ -114,13 +115,33 @@ class SideNavItem extends SideNavChildrenMixin(DisabledMixin(ElementMixin(Themab
         reflectToAttribute: true,
       },
 
+      /**
+       * Whether to also match nested paths / routes. `false` by default.
+       *
+       * When enabled, an item with the path `/path` is considered current when
+       * the browser URL is `/path`, `/path/child`, `/path/child/grandchild`,
+       * etc.
+       *
+       * Note that this only affects matching of the URLs path, not the base
+       * origin or query parameters.
+       *
+       * @type {boolean}
+       * @attr {boolean} match-nested
+       */
+      matchNested: {
+        type: Boolean,
+        value: false,
+      },
+
       /**
        * Whether the item's path matches the current browser URL.
        *
        * A match occurs when both share the same base origin (like https://example.com),
        * the same path (like /path/to/page), and the browser URL contains at least
        * all the query parameters with the same values from the item's path.
        *
+       * See [`matchNested`](#/elements/vaadin-side-nav-item#property-matchNested) for how to change the path matching behavior.
+       *
        * The state is updated when the item is added to the DOM or when the browser
        * navigates to a new page.
        *
@@ -190,7 +211,7 @@ class SideNavItem extends SideNavChildrenMixin(DisabledMixin(ElementMixin(Themab
   updated(props) {
     super.updated(props);
 
-    if (props.has('path') || props.has('pathAliases')) {
+    if (props.has('path') || props.has('pathAliases') || props.has('matchNested')) {
       this.__updateCurrent();
     }
 
@@ -304,8 +325,12 @@ class SideNavItem extends SideNavChildrenMixin(DisabledMixin(ElementMixin(Themab
       return false;
     }
 
-    const browserPath = `${document.location.pathname}${document.location.search}`;
-    return matchPaths(browserPath, this.path) || this.pathAliases.some((alias) => matchPaths(browserPath, alias));
+    const browserPath = `${location.pathname}${location.search}`;
+    const matchOptions = { matchNested: this.matchNested };
+    return (
+      matchPaths(browserPath, this.path, matchOptions) ||
+      this.pathAliases.some((alias) => matchPaths(browserPath, alias, matchOptions))
+    );
   }
 }
 

packages/side-nav/test/side-nav-item.test.js

@@ -2,6 +2,7 @@ import { expect } from '@vaadin/chai-plugins';
 import { fixtureSync, nextRender } from '@vaadin/testing-helpers';
 import sinon from 'sinon';
 import '../vaadin-side-nav-item.js';
+import { location } from '../src/location.js';
 
 describe('side-nav-item', () => {
   let item, documentBaseURI;
@@ -283,6 +284,55 @@ describe('side-nav-item', () => {
     });
   });
 
+  describe('matchNested', () => {
+    let currentPath = '/';
+    let pathnameStub;
+
+    beforeEach(() => {
+      pathnameStub = sinon.stub(location, 'pathname').get(() => currentPath);
+    });
+
+    afterEach(() => {
+      pathnameStub.restore();
+    });
+
+    it('should be false by default', () => {
+      item = fixtureSync('<vaadin-side-nav-item></vaadin-side-nav-item>');
+      expect(item.matchNested).to.be.false;
+    });
+
+    it('should match exact path when matchNested is false', () => {
+      currentPath = '/users';
+      item = fixtureSync('<vaadin-side-nav-item path="/users"></vaadin-side-nav-item>');
+      expect(item.current).to.be.true;
+
+      currentPath = '/users/john';
+      item = fixtureSync('<vaadin-side-nav-item path="/users"></vaadin-side-nav-item>');
+      expect(item.current).to.be.false;
+    });
+
+    it('should match nested paths when matchNested is true', () => {
+      currentPath = '/users';
+      item = fixtureSync('<vaadin-side-nav-item path="/users" match-nested></vaadin-side-nav-item>');
+      expect(item.current).to.be.true;
+
+      currentPath = '/users/john';
+      item = fixtureSync('<vaadin-side-nav-item path="/users" match-nested></vaadin-side-nav-item>');
+      expect(item.current).to.be.true;
+    });
+
+    it('should update when toggling matchNested', async () => {
+      currentPath = '/users/john';
+      item = fixtureSync('<vaadin-side-nav-item path="/users"></vaadin-side-nav-item>');
+      await item.updateComplete;
+      expect(item.current).to.be.false;
+
+      item.matchNested = true;
+      await item.updateComplete;
+      expect(item.current).to.be.true;
+    });
+  });
+
   describe('navigation', () => {
     let anchor, toggle;