lint / reinstate comment

Author: dummdidumm

packages/svelte/src/internal/client/reactivity/deriveds.js

@@ -113,16 +113,19 @@ export function async_derived(fn, location) {
 // only suspend in async deriveds created on initialisation
 var should_suspend = !active_reaction;
 
-/** @type {Map<Batch, ReturnType<typeof deferred>>} */
+/** @type {Map<Batch, ReturnType<typeof deferred<V>>>} */
 var deferreds = new Map();
 
 async_effect(() => {
 if (DEV) current_async_effect = active_effect;
 
+/** @type {ReturnType<typeof deferred<V>>} */
 var d = deferred();
 promise = d.promise;
 
 try {
+// If this code is changed at some point, make sure to still access the then property
+// of fn() to read any signals it might access, so that we track them as dependencies.
 Promise.resolve(fn()).then(d.resolve, d.reject);
 } catch (error) {
 d.reject(error);