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[fix] Max call stack exceeded when large number of components are flushed #7397

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[fix] Max call stack exceeded when large number of components are flushed #7397

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3 changes: 3 additions & 0 deletions src/runtime/internal/scheduler.ts
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Original file line number Diff line number Diff line change
Expand Up @@ -51,7 +51,9 @@ export function add_flush_callback(fn) {
// function, guarantees this behavior.
const seen_callbacks = new Set();
let flushidx = 0; // Do *not* move this inside the flush() function
let flushing = false;
export function flush() {
if (flushing) return;
const saved_component = current_component;

do {
Expand Down Expand Up @@ -91,6 +93,7 @@ export function flush() {
flush_callbacks.pop()();
}

flushing = false;
update_scheduled = false;
seen_callbacks.clear();
set_current_component(saved_component);
Expand Down