feat(tree-view): add TreeView

types/TreeView/TreeView.d.ts

@@ -0,0 +1,67 @@
+/// <reference types="svelte" />
+import { SvelteComponentTyped } from "svelte";
+
+export type TreeNodeId = string | number;
+
+export interface TreeNode {
+  id: TreeNodeId;
+  text: string;
+  disabled?: boolean;
+}
+
+export interface TreeViewProps
+  extends svelte.JSX.HTMLAttributes<HTMLElementTagNameMap["ul"]> {
+  /**
+   * Provide an array of children nodes to render
+   * @default []
+   */
+  children?: TreeNode & { children?: TreeNode[] };
+
+  /**
+   * Set the current active node id
+   * Only one node can be active
+   * @default ""
+   */
+  activeId?: TreeNodeId;
+
+  /**
+   * Set to `true` to allow multiple selected nodes
+   * @default false
+   */
+  multiselect?: boolean;
+
+  /**
+   * Set the node ids to be selected
+   * @default []
+   */
+  selectedIds?: TreeNodeIds;
+
+  /**
+   * Specify the TreeView size
+   * @default "default"
+   */
+  size?: "default" | "compact";
+
+  /**
+   * Specify the label text
+   * @default ""
+   */
+  labelText?: string;
+
+  /**
+   * Set to `true` to visually hide the label text
+   * @default false
+   */
+  hideLabel?: boolean;
+}
+
+export default class TreeView extends SvelteComponentTyped<
+  TreeViewProps,
+  {
+    select: CustomEvent<TreeNode & { expanded: boolean; leaf: boolean }>;
+    toggle: CustomEvent<TreeNode & { expanded: boolean; leaf: boolean }>;
+    focus: CustomEvent<TreeNode & { expanded: boolean; leaf: boolean }>;
+    keydown: WindowEventMap["keydown"];
+  },
+  { labelText: {} }
+> {}