fix: store types

Author: gtm-nayan

packages/svelte/src/runtime/store/index.js

@@ -13,7 +13,7 @@ const subscriber_queue = [];
  * Creates a `Readable` store that allows reading by subscription.
  * @template T
  * @param {T} value initial value
- * @param {import('./public.js').StartStopNotifier<T>} start
+ * @param {import('./public.js').StartStopNotifier<T>} [start]
  * @returns {import('./public.js').Readable<T>}
  */
 export function readable(value, start) {
@@ -26,7 +26,7 @@ export function readable(value, start) {
  * Create a `Writable` store that allows both updating and reading by subscription.
  * @template T
  * @param {T} value initial value
- * @param {import('./public.js').StartStopNotifier<T>} start
+ * @param {import('./public.js').StartStopNotifier<T>} [start]
  * @returns {import('./public.js').Writable<T>}
  */
 export function writable(value, start = noop) {
@@ -56,16 +56,18 @@ export function writable(value, start = noop) {
 			}
 		}
 	}
+
 	/**
 	 * @param {import('./public.js').Updater<T>} fn
 	 * @returns {void}
 	 */
 	function update(fn) {
 		set(fn(value));
 	}
+
 	/**
 	 * @param {import('./public.js').Subscriber<T>} run
-	 * @param {import('./private.js').Invalidator<T>} invalidate
+	 * @param {import('./private.js').Invalidator<T>} [invalidate]
 	 * @returns {import('./public.js').Unsubscriber}
 	 */
 	function subscribe(run, invalidate = noop) {
@@ -95,7 +97,7 @@ export function writable(value, start = noop) {
  * @template T
  * @overload
  * @param {S} stores - input stores
- * @param {(values: import('./public.js').StoresValues<S>, set: import('./public.js').Subscriber<T>, update: (fn: import('./public.js').Updater<T>) => void) => import('./public.js').Unsubscriber | void} fn - function callback that aggregates the values
+ * @param {(values: import('./public.js').StoresValues<S>, set: (value: T) => void, update: (fn: import('./public.js').Updater<T>) => void) => import('./public.js').Unsubscriber | void} fn - function callback that aggregates the values
  * @param {T} [initial_value] - initial value
  * @returns {import('./public.js').Readable<T>}
  */

packages/svelte/src/runtime/store/public.d.ts

@@ -14,7 +14,7 @@ export type Updater<T> = (value: T) => T;
  * This function is called when the first subscriber subscribes.
  *
  * @param {(value: T) => void} set Function that sets the value of the store.
- * @param {(value: Updater<T>) => void} set Function that sets the value of the store after passing the current value to the update function.
+ * @param {(value: Updater<T>) => void} update Function that sets the value of the store after passing the current value to the update function.
  * @returns {void | (() => void)} Optionally, a cleanup function that is called when the last remaining
  * subscriber unsubscribes.
  */