Fixed #1836 - For Fieldset

src/components/fieldset/Fieldset.d.ts

@@ -1,19 +1,71 @@
 import { VNode } from 'vue';
+import { ClassComponent, GlobalComponentConstructor } from '../ts-helpers';
 
-interface FieldsetProps {
-    legend?: string;
-    toggleable?: boolean;
-    collapsed?: boolean;
+export interface FieldsetToggleEvent {
+    /**
+     * Browser event.
+     */
+    originalEvent: Event;
+    /**
+     * Collapsed state as a boolean
+     */
+    value: boolean;
 }
 
-declare class Fieldset {
-    $props: FieldsetProps;
-    $emit(eventName: 'update:collapsed', value: boolean): this;
-    $emit(eventName: 'toggle', e: { originalEvent: Event, value: boolean }): this;
-    $slots: {
-        '': VNode[];
-        legend: VNode[];
+export interface FieldsetProps {
+    /**
+     * Header text of the fieldset.
+     */
+    legend?: string | undefined;
+    /**
+     * When specified, content can toggled by clicking the legend.
+     */
+    toggleable?: boolean | undefined;
+    /**
+     * Defines the default visibility state of the content.
+     */
+    collapsed?: boolean | undefined;
+}
+
+export interface FieldsetSlots {
+    /**
+     * Default content slot.
+     */
+    default: () => VNode[];
+    /**
+     * Custom legend template.
+     */
+    legend: () => VNode[];
+}
+
+export declare type FieldsetEmits = {
+    /**
+     * Emitted when the collapsed changes.
+     * @param {boolean} value - New value.
+     */
+    'update:collapsed': (value: boolean) => void;
+    /**
+     * Callback to invoke when a tab gets expanded or collapsed.
+     * @param {FieldsetToggleEvent} event - Custom toggle event.
+     */
+    'toggle': (event: FieldsetToggleEvent) => void;
+}
+
+declare class Fieldset extends ClassComponent<FieldsetProps, FieldsetSlots, FieldsetEmits> { }
+
+declare module '@vue/runtime-core' {
+    interface GlobalComponents {
+        Fieldset: GlobalComponentConstructor<Fieldset>
     }
 }
 
+/**
+ *
+ * Fieldset is a grouping component with the optional content toggle feature.
+ *
+ * Demos:
+ *
+ * - [Fieldset](https://www.primefaces.org/primevue/showcase/#/fieldset)
+ *
+ */
 export default Fieldset;