refactor: improve flush condition clarity in revive() method

Author: harshitydv1

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

@@ -304,7 +304,7 @@ export class Batch {
 
 dep.f ^= WAS_MARKED;
 
-this.#clear_marked(/** @type {Derived} */ (dep).deps);
+this.#clear_marked(/** @type {Derived} */(dep).deps);
 }
 }
 
@@ -503,8 +503,8 @@ export class Batch {
 this.#dirty_effects = [];
 this.#maybe_dirty_effects = [];
 
-// Always flush if we have pending work that needs to be resolved
-if (this.#pending === 0 || queued_root_effects.length > 0) {
+// Flush if there are queued root effects, or if there is no pending work left.
+if (queued_root_effects.length > 0 || this.#pending === 0) {
 this.flush();
 }
 
@@ -789,14 +789,14 @@ function mark_effects(value, sources, marked, checked) {
 const flags = reaction.f;
 
 if ((flags & DERIVED) !== 0) {
-mark_effects(/** @type {Derived} */ (reaction), sources, marked, checked);
+mark_effects(/** @type {Derived} */(reaction), sources, marked, checked);
 } else if (
 (flags & (ASYNC | BLOCK_EFFECT)) !== 0 &&
 (flags & DIRTY) === 0 &&
 depends_on(reaction, sources, checked)
 ) {
 set_signal_status(reaction, DIRTY);
-schedule_effect(/** @type {Effect} */ (reaction));
+schedule_effect(/** @type {Effect} */(reaction));
 }
 }
 }
@@ -816,10 +816,10 @@ function mark_eager_effects(value, effects) {
 const flags = reaction.f;
 
 if ((flags & DERIVED) !== 0) {
-mark_eager_effects(/** @type {Derived} */ (reaction), effects);
+mark_eager_effects(/** @type {Derived} */(reaction), effects);
 } else if ((flags & EAGER_EFFECT) !== 0) {
 set_signal_status(reaction, DIRTY);
-effects.add(/** @type {Effect} */ (reaction));
+effects.add(/** @type {Effect} */(reaction));
 }
 }
 }
@@ -839,8 +839,8 @@ function depends_on(reaction, sources, checked) {
 return true;
 }
 
-if ((dep.f & DERIVED) !== 0 && depends_on(/** @type {Derived} */ (dep), sources, checked)) {
-checked.set(/** @type {Derived} */ (dep), true);
+if ((dep.f & DERIVED) !== 0 && depends_on(/** @type {Derived} */(dep), sources, checked)) {
+checked.set(/** @type {Derived} */(dep), true);
 return true;
 }
 }