fix a few more files

Author: gtm-nayan

packages/svelte/src/compiler/preprocess/index.js

@@ -329,7 +329,7 @@ async function process_markup(process, source) {
 /**
  * @param {string} source
  * @param {import('./public.js').PreprocessorGroup | import('./public.js').PreprocessorGroup[]} preprocessor
- * @param {{ filename?: string }} options
+ * @param {{ filename?: string }} [options]
  * @returns {Promise<import('./public.js').Processed>}
  */
 export default async function preprocess(source, preprocessor, options) {

packages/svelte/src/runtime/internal/Component.js

@@ -221,6 +221,10 @@ if (typeof HTMLElement === 'function') {
 									node.setAttribute('name', name);
 								}
 							},
+							/**
+							 * @param {HTMLElement} target
+							 * @param {HTMLElement} [anchor]
+							 */
 							m: function mount(target, anchor) {
 								insert(target, node, anchor);
 							},

packages/svelte/src/runtime/internal/dom.js

@@ -1001,11 +1001,13 @@ export function toggle_class(element, name, toggle) {
  * @template T
  * @param {string} type
  * @param {T} [detail]
+ * @param {{ bubbles?: boolean, cancelable?: boolean }} [options]
  * @returns {CustomEvent<T>}
  */
 export function custom_event(type, detail, { bubbles = false, cancelable = false } = {}) {
 	/**
-	 * @type {CustomEvent<T>} */
+	 * @type {CustomEvent<T>}
+	 */
 	const e = document.createEvent('CustomEvent');
 	e.initCustomEvent(type, bubbles, cancelable, detail);
 	return e;

packages/svelte/src/runtime/internal/transitions.js

@@ -74,7 +74,8 @@ export function transition_in(block, local) {
 /**
  * @param {import('./private.js').Fragment} block
  * @param {0 | 1} local
- * @param {0 | 1} detach
+ * @param {0 | 1} [detach]
+ * @param {() => void} [callback]
  * @returns {void}
  */
 export function transition_out(block, local, detach, callback) {

packages/svelte/src/runtime/motion/tweened.js

@@ -57,7 +57,7 @@ export function tweened(value, defaults = {}) {
 	let target_value = value;
 	/**
 	 * @param {T} new_value
-	 * @param {import('./private.js').TweenedOptions<T>} opts
+	 * @param {import('./private.js').TweenedOptions<T>} [opts]
 	 */
 	function set(new_value, opts) {
 		if (value == null) {