Lint and format src/runtime/internal/scheduler.js

pull/8569/head
S. Elliott Johnson 3 years ago
parent 8f7b17a211
commit ea9256935c

@ -9,23 +9,23 @@ const resolved_promise = /* @__PURE__ */ Promise.resolve();
let update_scheduled = false;
/** @returns {void} */
export function schedule_update() {
if (!update_scheduled) {
update_scheduled = true;
resolved_promise.then(flush);
}
if (!update_scheduled) {
update_scheduled = true;
resolved_promise.then(flush);
}
}
/** @returns {Promise<void>} */
export function tick() {
schedule_update();
return resolved_promise;
schedule_update();
return resolved_promise;
}
/** @returns {void} */
export function add_render_callback(fn) {
render_callbacks.push(fn);
render_callbacks.push(fn);
}
/** @returns {void} */
export function add_flush_callback(fn) {
flush_callbacks.push(fn);
flush_callbacks.push(fn);
}
// flush() calls callbacks in this order:
// 1. All beforeUpdate callbacks, in order: parents before children
@ -49,65 +49,63 @@ const seen_callbacks = new Set();
let flushidx = 0; // Do *not* move this inside the flush() function
/** @returns {void} */
export function flush() {
// Do not reenter flush while dirty components are updated, as this can
// result in an infinite loop. Instead, let the inner flush handle it.
// Reentrancy is ok afterwards for bindings etc.
if (flushidx !== 0) {
return;
}
const saved_component = current_component;
do {
// first, call beforeUpdate functions
// and update components
try {
while (flushidx < dirty_components.length) {
const component = dirty_components[flushidx];
flushidx++;
set_current_component(component);
update(component.$$);
}
}
catch (e) {
// reset dirty state to not end up in a deadlocked state and then rethrow
dirty_components.length = 0;
flushidx = 0;
throw e;
}
set_current_component(null);
dirty_components.length = 0;
flushidx = 0;
while (binding_callbacks.length)
binding_callbacks.pop()();
// then, once components are updated, call
// afterUpdate functions. This may cause
// subsequent updates...
for (let i = 0; i < render_callbacks.length; i += 1) {
const callback = render_callbacks[i];
if (!seen_callbacks.has(callback)) {
// ...so guard against infinite loops
seen_callbacks.add(callback);
callback();
}
}
render_callbacks.length = 0;
} while (dirty_components.length);
while (flush_callbacks.length) {
flush_callbacks.pop()();
}
update_scheduled = false;
seen_callbacks.clear();
set_current_component(saved_component);
// Do not reenter flush while dirty components are updated, as this can
// result in an infinite loop. Instead, let the inner flush handle it.
// Reentrancy is ok afterwards for bindings etc.
if (flushidx !== 0) {
return;
}
const saved_component = current_component;
do {
// first, call beforeUpdate functions
// and update components
try {
while (flushidx < dirty_components.length) {
const component = dirty_components[flushidx];
flushidx++;
set_current_component(component);
update(component.$$);
}
} catch (e) {
// reset dirty state to not end up in a deadlocked state and then rethrow
dirty_components.length = 0;
flushidx = 0;
throw e;
}
set_current_component(null);
dirty_components.length = 0;
flushidx = 0;
while (binding_callbacks.length) binding_callbacks.pop()();
// then, once components are updated, call
// afterUpdate functions. This may cause
// subsequent updates...
for (let i = 0; i < render_callbacks.length; i += 1) {
const callback = render_callbacks[i];
if (!seen_callbacks.has(callback)) {
// ...so guard against infinite loops
seen_callbacks.add(callback);
callback();
}
}
render_callbacks.length = 0;
} while (dirty_components.length);
while (flush_callbacks.length) {
flush_callbacks.pop()();
}
update_scheduled = false;
seen_callbacks.clear();
set_current_component(saved_component);
}
/** @returns {void} */
function update($$) {
if ($$.fragment !== null) {
$$.update();
run_all($$.before_update);
const dirty = $$.dirty;
$$.dirty = [-1];
$$.fragment && $$.fragment.p($$.ctx, dirty);
$$.after_update.forEach(add_render_callback);
}
if ($$.fragment !== null) {
$$.update();
run_all($$.before_update);
const dirty = $$.dirty;
$$.dirty = [-1];
$$.fragment && $$.fragment.p($$.ctx, dirty);
$$.after_update.forEach(add_render_callback);
}
}
/**
* Useful for example to execute remaining `afterUpdate` callbacks before executing `destroy`.
@ -115,13 +113,9 @@ function update($$) {
* @returns {void}
*/
export function flush_render_callbacks(fns) {
const filtered = [];
const targets = [];
render_callbacks.forEach((c) => (fns.indexOf(c) === -1 ? filtered.push(c) : targets.push(c)));
targets.forEach((c) => c());
render_callbacks = filtered;
const filtered = [];
const targets = [];
render_callbacks.forEach((c) => (fns.indexOf(c) === -1 ? filtered.push(c) : targets.push(c)));
targets.forEach((c) => c());
render_callbacks = filtered;
}

Loading…
Cancel
Save