45 lines
1.3 KiB
Svelte
45 lines
1.3 KiB
Svelte
<!--
|
|
Copyright: Ankitects Pty Ltd and contributors
|
|
License: GNU AGPL, version 3 or later; http://www.gnu.org/licenses/agpl.html
|
|
-->
|
|
<script lang="typescript">
|
|
import Dropdown from "bootstrap/js/dist/dropdown";
|
|
|
|
import { setContext } from "svelte";
|
|
import { dropdownKey } from "./contextKeys";
|
|
|
|
setContext(dropdownKey, {
|
|
getDropdownTriggerProps: () => ({
|
|
"data-bs-toggle": "dropdown",
|
|
"aria-expanded": "false",
|
|
}),
|
|
});
|
|
|
|
const menuId = Math.random().toString(36).substring(2);
|
|
|
|
/* Normally dropdown and trigger are associated with a
|
|
/* common ancestor with .dropdown class */
|
|
function createDropdown(button: HTMLElement): void {
|
|
/* Prevent focus on menu activation */
|
|
const noop = () => {};
|
|
Object.defineProperty(button, "focus", { value: noop });
|
|
|
|
/* Set custom menu without using .dropdown
|
|
* Rendering the menu here would cause the menu to
|
|
* be displayed outside of the visible area */
|
|
|
|
const dropdown = new Dropdown(button);
|
|
|
|
const menu = (button.getRootNode() as Document) /* or shadow root */
|
|
.getElementById(menuId);
|
|
|
|
if (!menu) {
|
|
console.log(`Could not find menu "${menuId}" for dropdown menu.`);
|
|
}
|
|
|
|
(dropdown as any)._menu = menu;
|
|
}
|
|
</script>
|
|
|
|
<slot {createDropdown} {menuId} />
|