fix positioning

docs/_sidebar.md

@@ -21,6 +21,7 @@
   - [Card](/components/card)
   - [Checkbox](/components/checkbox)
   - [Color Picker](/components/color-picker)
+  - [Context Menu](/components/context-menu)
   - [Details](/components/details)
   - [Dialog](/components/dialog)
   - [Divider](/components/divider)

docs/components/context-menu.md

@@ -0,0 +1,140 @@
+# Context Menu
+
+[component-header:sl-context-menu]
+
+Context menus offer additional options through a menu that opens at the pointer's location, usually activated by a right-click.
+
+Context menus are designed to work with [menus](/components/menu) and [menu items](/components/menu-item). The menu must include `slot="menu"`. Other content you provide will be part of the context menu's target area.
+
+```html preview
+<sl-context-menu>
+  <div style="height: 200px; background: rgb(var(--sl-color-neutral-100)); display: flex; align-items: center; justify-content: center; padding: 1rem;">
+    Right-click to activate the context menu
+  </div>
+
+  <sl-menu slot="menu">
+    <sl-menu-item value="undo">Undo</sl-menu-item>
+    <sl-menu-item value="redo">Redo</sl-menu-item>
+    <sl-divider></sl-divider>
+    <sl-menu-item value="cut">Cut</sl-menu-item>
+    <sl-menu-item value="copy">Copy</sl-menu-item>
+    <sl-menu-item value="paste">Paste</sl-menu-item>
+    <sl-menu-item value="delete">Delete</sl-menu-item>
+  </sl-menu>
+</sl-context-menu>
+```
+
+## Examples
+
+### Handling Selections
+
+The [menu component](/components/menu) emits an `sl-select` event when a menu item is selected. You can use this to handle selections. The selected item will be available in `event.detail.item`.
+
+```html preview
+<div class="context-menu-selections">
+  <sl-context-menu>
+    <div style="height: 200px; background: rgb(var(--sl-color-neutral-100)); display: flex; align-items: center; justify-content: center; padding: 1rem;">
+      Right-click to activate the context menu
+    </div>
+
+    <sl-menu slot="menu">
+      <sl-menu-item value="cut">Cut</sl-menu-item>
+      <sl-menu-item value="copy">Copy</sl-menu-item>
+      <sl-menu-item value="paste">Paste</sl-menu-item>
+    </sl-menu>
+  </sl-context-menu>
+</div>
+
+<script>
+  const container = document.querySelector('.context-menu-selections');
+  const menu = container.querySelector('sl-menu');
+  const result = container.querySelector('.result');
+
+  menu.addEventListener('sl-select', event => {
+    console.log(`You selected: ${event.detail.item.value}`);
+  });
+</script>
+```
+
+### Inline
+
+The context menu uses `display: contents`, so it will assume the shape of the content you slot in.
+
+```html preview
+<sl-context-menu>
+  <span style="background: rgb(var(--sl-color-neutral-100)); padding: .5rem 1rem;">
+    Right-click here
+  </span>
+
+  <sl-menu slot="menu">
+    <sl-menu-item value="cut">Cut</sl-menu-item>
+    <sl-menu-item value="copy">Copy</sl-menu-item>
+    <sl-menu-item value="paste">Paste</sl-menu-item>
+  </sl-menu>
+</sl-context-menu>
+```
+
+### Placement
+
+The preferred placement of the context menu can be set with the `placement` attribute. Note that the actual position may vary to ensure the menu remains in the viewport.
+
+```html preview
+<sl-context-menu placement="top-end">
+  <div style="height: 200px; background: rgb(var(--sl-color-neutral-100)); display: flex; align-items: center; justify-content: center; padding: 1rem;">
+    Right-click to activate the context menu
+  </div>
+
+  <sl-menu slot="menu">
+    <sl-menu-item value="undo">Undo</sl-menu-item>
+    <sl-menu-item value="redo">Redo</sl-menu-item>
+    <sl-divider></sl-divider>
+    <sl-menu-item value="cut">Cut</sl-menu-item>
+    <sl-menu-item value="copy">Copy</sl-menu-item>
+    <sl-menu-item value="paste">Paste</sl-menu-item>
+    <sl-menu-item value="delete">Delete</sl-menu-item>
+  </sl-menu>
+</sl-context-menu>
+```
+
+### Detecting the Target Item
+
+A single context menu can wrap a number of items. To detect the item that activated the context menu...
+
+TODO
+
+```html preview
+<div class="context-menu-detecting">
+  <sl-context-menu>
+    <ul>
+      <li>Item 1</li>
+      <li>Item 2</li>
+      <li>Item 3</li>
+      <li>Item 4</li>
+      <li>Item 5</li>
+    </ul>
+
+    <sl-menu slot="menu">
+      <sl-menu-item value="cut">Cut</sl-menu-item>
+      <sl-menu-item value="copy">Copy</sl-menu-item>
+      <sl-menu-item value="paste">Paste</sl-menu-item>
+    </sl-menu>
+  </sl-context-menu>
+</div>
+
+<style>
+  .context-menu-detecting ul {
+    max-width: 300px;
+    list-style: none;
+    padding: 0;
+    margin: 0;
+  }
+  
+  .context-menu-detecting li {
+    background: rgb(var(--sl-color-neutral-100));
+    padding: .5rem 1rem;
+    margin: 0 0 2px 0;
+  }
+</style>
+```
+
+[component-metadata:sl-context-menu]

docs/components/dropdown.md

@@ -33,6 +33,33 @@ Dropdowns are designed to work well with [menus](/components/menu) to provide a
 
 ## Examples
 
+### Getting the Selected Item
+
+When dropdowns are used with [menus](/components/menu), you can listen for the `sl-select` event to determine which menu item was selected. The menu item element will be exposed in `event.detail.item`. You can set `value` props to make it easier to identify commands.
+
+```html preview
+<div class="dropdown-selection">
+  <sl-dropdown>
+    <sl-button slot="trigger" caret>Edit</sl-button>
+    <sl-menu>
+      <sl-menu-item value="cut">Cut</sl-menu-item>
+      <sl-menu-item value="copy">Copy</sl-menu-item>
+      <sl-menu-item value="paste">Paste</sl-menu-item>
+    </sl-menu>
+  </sl-dropdown>
+</div>
+
+<script>
+  const container = document.querySelector('.dropdown-selection');
+  const dropdown = container.querySelector('sl-dropdown');
+
+  dropdown.addEventListener('sl-select', event => {
+    const selectedItem = event.detail.item;
+    console.log(selectedItem.value);
+  });
+</script>
+```
+
 ### Placement
 
 The preferred placement of the dropdown can be set with the `placement` attribute. Note that the actual position may vary to ensure the panel remains in the viewport.
@@ -121,57 +148,4 @@ Dropdown panels will be clipped if they're inside a container that has `overflow
 </style>
 ```
 
-### Getting the Selected Item
-
-When dropdowns are used with [menus](/components/menu), you can listen for the `sl-select` event to determine which menu item was selected. The menu item element will be exposed in `event.detail.item`. You can set `value` props to make it easier to identify commands.
-
-```html preview
-<div class="dropdown-selection">
-  <sl-dropdown>
-    <sl-button slot="trigger" caret>Edit</sl-button>
-    <sl-menu>
-      <sl-menu-item value="cut">Cut</sl-menu-item>
-      <sl-menu-item value="copy">Copy</sl-menu-item>
-      <sl-menu-item value="paste">Paste</sl-menu-item>
-    </sl-menu>
-  </sl-dropdown>
-</div>
-
-<script>
-  const container = document.querySelector('.dropdown-selection');
-  const dropdown = container.querySelector('sl-dropdown');
-
-  dropdown.addEventListener('sl-select', event => {
-    const selectedItem = event.detail.item;
-    console.log(selectedItem.value);
-  });
-</script>
-```
-
-Alternatively, you can listen for the `click` event on individual menu items. Note that, using this approach, disabled menu items will still emit a `click` event.
-
-```html preview
-<div class="dropdown-selection-alt">
-  <sl-dropdown>
-    <sl-button slot="trigger" caret>Edit</sl-button>
-    <sl-menu>
-      <sl-menu-item value="cut">Cut</sl-menu-item>
-      <sl-menu-item value="copy">Copy</sl-menu-item>
-      <sl-menu-item value="paste">Paste</sl-menu-item>
-    </sl-menu>
-  </sl-dropdown>
-</div>
-
-<script>
-  const container = document.querySelector('.dropdown-selection-alt');
-  const cut = container.querySelector('sl-menu-item[value="cut"]');
-  const copy = container.querySelector('sl-menu-item[value="copy"]');
-  const paste = container.querySelector('sl-menu-item[value="paste"]');
-
-  cut.addEventListener('click', () => console.log('cut'));
-  copy.addEventListener('click', () => console.log('copy'));
-  paste.addEventListener('click', () => console.log('paste'));
-</script>
-```
-
 [component-metadata:sl-dropdown]

docs/resources/changelog.md

@@ -8,9 +8,11 @@ _During the beta period, these restrictions may be relaxed in the event of a mis
 
 ## Next
 
+- Added experimental `<sl-context-menu>` component
 - Added eye dropper to `<sl-color-picker>` when the browser supports the [EyeDropper API](https://wicg.github.io/eyedropper-api/)
 - Fixed a bug in `<sl-button-group>` where buttons groups with only one button would have an incorrect border radius
 - Improved the `<sl-color-picker>` trigger's border in dark mode
+- Refactored positioning logic in `<sl-dropdown>` so Popper is only active when the menu is open
 - Updated to Lit 2.0.2
 
 ## 2.0.0-beta.58

src/components/context-menu/context-menu.styles.ts

@@ -0,0 +1,43 @@
+import { css } from 'lit';
+import componentStyles from '../../styles/component.styles';
+
+export default css`
+  ${componentStyles}
+
+  :host {
+    display: contents;
+  }
+
+  ::slotted(sl-menu) {
+    min-width: 180px;
+    background: rgb(var(--sl-panel-background-color));
+    border: solid var(--sl-panel-border-width) rgb(var(--sl-panel-border-color));
+    border-radius: var(--sl-border-radius-medium);
+    box-shadow: var(--sl-shadow-large);
+  }
+
+  .context-menu {
+    position: relative;
+    z-index: var(--sl-z-index-dropdown);
+  }
+
+  .context-menu__locater {
+    position: absolute;
+    top: 0;
+    left: 0;
+    width: 0;
+    height: 0;
+    pointer-events: none;
+  }
+
+  .dropdown__positioner {
+    position: absolute;
+  }
+
+  .context-menu__menu {
+    position: relative;
+    top: 0;
+    left: 0;
+    pointer-events: all;
+  }
+`;

src/components/context-menu/context-menu.test.ts

@@ -0,0 +1,13 @@
+import { expect, fixture, html, waitUntil } from '@open-wc/testing';
+// import sinon from 'sinon';
+
+import '../../../dist/shoelace.js';
+import type SlContextMenu from './context-menu';
+
+describe('<sl-context-menu>', () => {
+  it('should render a component', async () => {
+    const el = await fixture(html` <sl-context-menu></sl-context-menu> `);
+
+    expect(el).to.exist;
+  });
+});

src/components/context-menu/context-menu.ts

@@ -0,0 +1,292 @@
+import { LitElement, html } from 'lit';
+import { customElement, property, query } from 'lit/decorators.js';
+import { emit, waitForEvent } from '../../internal/event';
+import { watch } from '../../internal/watch';
+import { Instance as PopperInstance, createPopper } from '@popperjs/core/dist/esm';
+import { animateTo, stopAnimations } from '../../internal/animate';
+import { setDefaultAnimation, getAnimation } from '../../utilities/animation-registry';
+import type SlMenu from '../menu/menu';
+import styles from './context-menu.styles';
+
+import '../menu/menu';
+
+/**
+ * @since 2.0
+ * @status experimental
+ *
+ * @dependency sl-menu
+ *
+ * @event sl-event-name - Emitted as an example.
+ *
+ * @slot - Content that will activate the context menu when right-clicked.
+ * @slot menu - The menu to show when the context menu is activated, an `<sl-menu>` element.
+ *
+ * @event sl-show - Emitted when the context menu opens.
+ * @event sl-after-show - Emitted after the context menu opens and all animations are complete.
+ * @event sl-hide - Emitted when the context menu closes.
+ * @event sl-after-hide - Emitted after the context menu closes and all animations are complete.
+ *
+ * @animation contextMenu.show - The animation to use when showing the context menu.
+ * @animation contextMenu.hide - The animation to use when hiding the context menu.
+ */
+@customElement('sl-context-menu')
+export default class SlContextMenu extends LitElement {
+  static styles = styles;
+
+  @query('.context-menu') wrapper: HTMLElement;
+  @query('.context-menu__locater') locater: HTMLElement;
+  @query('.context-menu__menu') menu: HTMLSlotElement;
+  @query('.context-menu__positioner') positioner: HTMLElement;
+
+  private popover: PopperInstance;
+
+  /**
+   * The preferred placement of the context menu. Note that the actual placement may vary as needed to keep the menu
+   * inside of the viewport.
+   */
+  @property() placement:
+    | 'top'
+    | 'top-start'
+    | 'top-end'
+    | 'right'
+    | 'right-start'
+    | 'right-end'
+    | 'bottom'
+    | 'bottom-start'
+    | 'bottom-end'
+    | 'left'
+    | 'left-start'
+    | 'left-end' = 'bottom-start';
+
+  /** Disables the context menu so it won't show when triggered. */
+  @property({ type: Boolean, reflect: true }) disabled = false;
+
+  /** The distance in pixels from which to offset the context menu away from its target. */
+  @property({ type: Number }) distance = 0;
+
+  /** Indicates whether or not the context menu is open. You can use this in lieu of the show/hide methods. */
+  @property({ type: Boolean, reflect: true }) open = false;
+
+  /** The distance in pixels from which to offset the context menu along its target. */
+  @property({ type: Number }) skidding = 0;
+
+  /**
+   * Enable this option to prevent the menu from being clipped when the component is placed inside a container with
+   * `overflow: auto|hidden|scroll`.
+   */
+  @property({ type: Boolean }) hoist = false;
+
+  connectedCallback() {
+    super.connectedCallback();
+
+    this.handleDocumentKeyDown = this.handleDocumentKeyDown.bind(this);
+    this.handleDocumentMouseDown = this.handleDocumentMouseDown.bind(this);
+  }
+
+  firstUpdated() {
+    this.menu.hidden = !this.open;
+  }
+
+  getMenu() {
+    const slot = this.menu.querySelector('slot')!;
+    return slot.assignedElements({ flatten: true }).filter(el => el.tagName.toLowerCase() === 'sl-menu')[0] as SlMenu;
+  }
+
+  async handleContextMenu(event: MouseEvent) {
+    const target = event.target as HTMLElement;
+    const targetRect = target.getBoundingClientRect();
+    const wrapperRect = this.wrapper.getBoundingClientRect();
+    const { offsetX, offsetY } = event;
+    const x = targetRect.left + offsetX - wrapperRect.left;
+    const y = targetRect.top + offsetY - wrapperRect.top;
+
+    event.preventDefault();
+
+    if (this.open) {
+      await this.hide();
+    }
+
+    this.show(x, y);
+  }
+
+  handleDocumentKeyDown(event: KeyboardEvent) {
+    const menu = this.getMenu();
+    const menuItems = menu ? menu.getAllItems() : [];
+    const firstMenuItem = menuItems[0];
+    const lastMenuItem = menuItems[menuItems.length - 1];
+
+    // Close when escape is pressed
+    if (event.key === 'Escape') {
+      this.hide();
+      return;
+    }
+
+    // Forward key presses that don't originate from the menu to allow keyboard selection and type-to-select
+    if (menu && !event.composedPath().includes(this.menu)) {
+      // Focus on a menu item
+      if (['ArrowDown', 'Home'].includes(event.key) && firstMenuItem) {
+        event.preventDefault();
+        const menu = this.getMenu();
+        menu.setCurrentItem(firstMenuItem);
+        firstMenuItem.focus();
+        return;
+      }
+
+      if (['ArrowUp', 'End'].includes(event.key) && lastMenuItem) {
+        event.preventDefault();
+        menu.setCurrentItem(lastMenuItem);
+        lastMenuItem.focus();
+        return;
+      }
+
+      // Other keys bring focus to the menu and initiate type-to-select behavior
+      const ignoredKeys = ['Tab', 'Shift', 'Meta', 'Ctrl', 'Alt'];
+      if (!ignoredKeys.includes(event.key)) {
+        menu.typeToSelect(event.key);
+        return;
+      }
+    }
+  }
+
+  handleDocumentMouseDown(event: MouseEvent) {
+    const path = event.composedPath() as Array<EventTarget>;
+
+    //
+    // Close the context menu when clicking outside of it. We use a setTimeout here because mousedown fires before
+    // contextmenu and, if the menu is already open and the user-right clicks again, we want the menu to re-open in the
+    // new position instead of closing.
+    //
+    setTimeout(() => {
+      if (this.open && !path.includes(this.menu)) {
+        this.hide();
+        return;
+      }
+    });
+  }
+
+  handleMenuSelect() {
+    // Close the context menu when a menu item is selected
+    this.hide();
+  }
+
+  @watch('open', { waitUntilFirstUpdate: true })
+  async handleOpenChange() {
+    if (this.disabled) {
+      return;
+    }
+
+    if (this.open) {
+      // Show
+      emit(this, 'sl-show');
+      document.addEventListener('keydown', this.handleDocumentKeyDown);
+      document.addEventListener('mousedown', this.handleDocumentMouseDown);
+
+      await stopAnimations(this);
+
+      this.popover = createPopper(this.locater, this.positioner, {
+        placement: this.placement,
+        strategy: this.hoist ? 'fixed' : 'absolute',
+        modifiers: [
+          {
+            name: 'flip',
+            options: {
+              boundary: 'viewport'
+            }
+          },
+          {
+            name: 'offset',
+            options: {
+              offset: [this.skidding, this.distance]
+            }
+          }
+        ]
+      });
+
+      this.menu.hidden = false;
+      const { keyframes, options } = getAnimation(this, 'contextMenu.show');
+      await animateTo(this.menu, keyframes, options);
+
+      emit(this, 'sl-after-show');
+    } else {
+      // Hide
+      emit(this, 'sl-hide');
+      document.removeEventListener('keydown', this.handleDocumentKeyDown);
+      document.removeEventListener('mousedown', this.handleDocumentMouseDown);
+
+      await stopAnimations(this);
+      const { keyframes, options } = getAnimation(this, 'contextMenu.hide');
+      await animateTo(this.menu, keyframes, options);
+
+      this.menu.hidden = true;
+      this.locater.style.top = '0px';
+      this.locater.style.left = '0px';
+      this.popover.destroy();
+
+      emit(this, 'sl-after-hide');
+    }
+  }
+
+  /** Shows the context menu */
+  async show(offsetX?: number, offsetY?: number) {
+    if (this.open) {
+      return;
+    }
+
+    this.locater.style.top = `${offsetY || 0}px`;
+    this.locater.style.left = `${offsetX || 0}px`;
+    this.open = true;
+
+    return waitForEvent(this, 'sl-after-show');
+  }
+
+  /** Hides the dropdown panel */
+  async hide() {
+    if (!this.open) {
+      return;
+    }
+
+    this.open = false;
+
+    return waitForEvent(this, 'sl-after-hide');
+  }
+
+  render() {
+    return html`
+      <div class="context-menu">
+        <slot @contextmenu=${this.handleContextMenu}></slot>
+
+        <div class="context-menu__locater"></div>
+
+        <!-- Position the menu with a wrapper since the popover makes use of translate. This let's us add animations
+        on the menu without interfering with the position. -->
+        <div class="context-menu__positioner">
+          <div class="context-menu__menu" hidden @sl-select=${this.handleMenuSelect}>
+            <slot name="menu"></slot>
+          </div>
+        </div>
+      </div>
+    `;
+  }
+}
+
+setDefaultAnimation('contextMenu.show', {
+  keyframes: [
+    { opacity: 0, transform: 'scale(0.9)' },
+    { opacity: 1, transform: 'scale(1)' }
+  ],
+  options: { duration: 50, easing: 'ease' }
+});
+
+setDefaultAnimation('contextMenu.hide', {
+  keyframes: [
+    { opacity: 1, transform: 'scale(1)' },
+    { opacity: 0, transform: 'scale(0.9)' }
+  ],
+  options: { duration: 150, easing: 'ease' }
+});
+
+declare global {
+  interface HTMLElementTagNameMap {
+    'sl-context-menu': SlContextMenu;
+  }
+}

src/components/dropdown/dropdown.ts

@@ -100,28 +100,6 @@ export default class SlDropdown extends LitElement {
     if (!this.containingElement) {
       this.containingElement = this;
     }
-
-    // Create the popover after render
-    this.updateComplete.then(() => {
-      this.popover = createPopper(this.trigger, this.positioner, {
-        placement: this.placement,
-        strategy: this.hoist ? 'fixed' : 'absolute',
-        modifiers: [
-          {
-            name: 'flip',
-            options: {
-              boundary: 'viewport'
-            }
-          },
-          {
-            name: 'offset',
-            options: {
-              offset: [this.skidding, this.distance]
-            }
-          }
-        ]
-      });
-    });
   }
 
   firstUpdated() {
@@ -131,7 +109,6 @@ export default class SlDropdown extends LitElement {
   disconnectedCallback() {
     super.disconnectedCallback();
     this.hide();
-    this.popover.destroy();
   }
 
   focusOnTrigger() {
@@ -207,40 +184,13 @@ export default class SlDropdown extends LitElement {
     }
   }
 
-  @watch('distance')
-  @watch('hoist')
-  @watch('placement')
-  @watch('skidding')
-  handlePopoverOptionsChange() {
-    if (this.popover) {
-      this.popover.setOptions({
-        placement: this.placement,
-        strategy: this.hoist ? 'fixed' : 'absolute',
-        modifiers: [
-          {
-            name: 'flip',
-            options: {
-              boundary: 'viewport'
-            }
-          },
-          {
-            name: 'offset',
-            options: {
-              offset: [this.skidding, this.distance]
-            }
-          }
-        ]
-      });
-    }
-  }
-
   handleTriggerClick() {
     this.open ? this.hide() : this.show();
   }
 
   handleTriggerKeyDown(event: KeyboardEvent) {
     const menu = this.getMenu();
-    const menuItems = menu ? ([...menu.querySelectorAll('sl-menu-item')] as SlMenuItem[]) : [];
+    const menuItems = menu ? menu.getAllItems() : [];
     const firstMenuItem = menuItems[0];
     const lastMenuItem = menuItems[menuItems.length - 1];
 
@@ -262,7 +212,7 @@ export default class SlDropdown extends LitElement {
     // When up/down is pressed, we make the assumption that the user is familiar with the menu and plans to make a
     // selection. Rather than toggle the panel, we focus on the menu (if one exists) and activate the first item for
     // faster navigation.
-    if (['ArrowDown', 'ArrowUp'].includes(event.key)) {
+    if (['ArrowDown', 'ArrowUp', 'Home', 'End'].includes(event.key)) {
       event.preventDefault();
 
       // Show the menu if it's not already open
@@ -271,14 +221,14 @@ export default class SlDropdown extends LitElement {
       }
 
       // Focus on a menu item
-      if (event.key === 'ArrowDown' && firstMenuItem) {
+      if (['ArrowDown', 'Home'].includes(event.key) && firstMenuItem) {
         const menu = this.getMenu();
         menu.setCurrentItem(firstMenuItem);
         firstMenuItem.focus();
         return;
       }
 
-      if (event.key === 'ArrowUp' && lastMenuItem) {
+      if (['ArrowUp', 'End'].includes(event.key) && lastMenuItem) {
         menu.setCurrentItem(lastMenuItem);
         lastMenuItem.focus();
         return;
@@ -327,7 +277,7 @@ export default class SlDropdown extends LitElement {
     }
   }
 
-  /** Shows the dropdown panel. */
+  /** Shows the dropdown panel */
   async show() {
     if (this.open) {
       return;
@@ -352,11 +302,9 @@ export default class SlDropdown extends LitElement {
    * is activated.
    */
   reposition() {
-    if (!this.open) {
-      return;
+    if (this.popover) {
+      this.popover.update();
     }
-
-    this.popover.update();
   }
 
   @watch('open', { waitUntilFirstUpdate: true })
@@ -376,7 +324,26 @@ export default class SlDropdown extends LitElement {
       document.addEventListener('mousedown', this.handleDocumentMouseDown);
 
       await stopAnimations(this);
-      this.popover.update();
+
+      this.popover = createPopper(this.trigger, this.positioner, {
+        placement: this.placement,
+        strategy: this.hoist ? 'fixed' : 'absolute',
+        modifiers: [
+          {
+            name: 'flip',
+            options: {
+              boundary: 'viewport'
+            }
+          },
+          {
+            name: 'offset',
+            options: {
+              offset: [this.skidding, this.distance]
+            }
+          }
+        ]
+      });
+
       this.panel.hidden = false;
       const { keyframes, options } = getAnimation(this, 'dropdown.show');
       await animateTo(this.panel, keyframes, options);

src/shoelace.ts

@@ -11,6 +11,7 @@ export { default as SlButtonGroup } from './components/button-group/button-group
 export { default as SlCard } from './components/card/card';
 export { default as SlCheckbox } from './components/checkbox/checkbox';
 export { default as SlColorPicker } from './components/color-picker/color-picker';
+export { default as SlContextMenu } from './components/context-menu/context-menu';
 export { default as SlDetails } from './components/details/details';
 export { default as SlDialog } from './components/dialog/dialog';
 export { default as SlDivider } from './components/divider/divider';