| Linux premium331.web-hosting.com 4.18.0-553.80.1.lve.el8.x86_64 #1 SMP Wed Oct 22 19:29:36 UTC 2025 x86_64 Path : /proc/self/root/home/livedhms/lmgt/node_modules/effect/dist/esm/ |
| Current File : //proc/self/root/home/livedhms/lmgt/node_modules/effect/dist/esm/Scheduler.js |
/**
* @since 2.0.0
*/
import { dual } from "./Function.js";
import { globalValue } from "./GlobalValue.js";
import * as core from "./internal/core.js";
/**
* @since 3.20.0
* @category models
*/
export class SchedulerRunner {
scheduleDrain;
running = false;
tasks = /*#__PURE__*/new PriorityBuckets();
constructor(scheduleDrain) {
this.scheduleDrain = scheduleDrain;
}
starveInternal = depth => {
const tasks = this.tasks.buckets;
this.tasks.buckets = [];
for (const [_, toRun] of tasks) {
for (let i = 0; i < toRun.length; i++) {
toRun[i]();
}
}
if (this.tasks.buckets.length === 0) {
this.running = false;
} else {
this.starve(depth);
}
};
starve(depth = 0) {
this.scheduleDrain(depth, this.starveInternal);
}
scheduleTask(task, priority) {
this.tasks.scheduleTask(task, priority);
if (!this.running) {
this.running = true;
this.starve();
}
}
/**
* @since 3.20.0
* @category constructors
*/
static cached(scheduleDrain) {
const fallback = new SchedulerRunner(scheduleDrain);
const runners = new WeakMap();
return fiber => {
if (fiber === undefined) {
return fallback;
}
let runner = runners.get(fiber);
if (runner === undefined) {
runner = new SchedulerRunner(scheduleDrain);
runners.set(fiber, runner);
}
return runner;
};
}
}
/**
* @since 2.0.0
* @category utils
*/
export class PriorityBuckets {
/**
* @since 2.0.0
*/
buckets = [];
/**
* @since 2.0.0
*/
scheduleTask(task, priority) {
const length = this.buckets.length;
let bucket = undefined;
let index = 0;
for (; index < length; index++) {
if (this.buckets[index][0] <= priority) {
bucket = this.buckets[index];
} else {
break;
}
}
if (bucket && bucket[0] === priority) {
bucket[1].push(task);
} else if (index === length) {
this.buckets.push([priority, [task]]);
} else {
this.buckets.splice(index, 0, [priority, [task]]);
}
}
}
/**
* @since 2.0.0
* @category constructors
*/
export class MixedScheduler {
maxNextTickBeforeTimer;
getRunner = /*#__PURE__*/SchedulerRunner.cached((depth, drain) => {
if (depth >= this.maxNextTickBeforeTimer) {
setTimeout(() => drain(0), 0);
} else {
Promise.resolve(void 0).then(() => drain(depth + 1));
}
});
constructor(
/**
* @since 2.0.0
*/
maxNextTickBeforeTimer) {
this.maxNextTickBeforeTimer = maxNextTickBeforeTimer;
}
/**
* @since 2.0.0
*/
shouldYield(fiber) {
return fiber.currentOpCount > fiber.getFiberRef(core.currentMaxOpsBeforeYield) ? fiber.getFiberRef(core.currentSchedulingPriority) : false;
}
/**
* @since 2.0.0
*/
scheduleTask(task, priority, fiber) {
this.getRunner(fiber).scheduleTask(task, priority);
}
}
/**
* @since 2.0.0
* @category schedulers
*/
export const defaultScheduler = /*#__PURE__*/globalValue(/*#__PURE__*/Symbol.for("effect/Scheduler/defaultScheduler"), () => new MixedScheduler(2048));
/**
* @since 2.0.0
* @category constructors
*/
export class SyncScheduler {
/**
* @since 2.0.0
*/
tasks = /*#__PURE__*/new PriorityBuckets();
/**
* @since 2.0.0
*/
deferred = false;
/**
* @since 2.0.0
*/
scheduleTask(task, priority, fiber) {
if (this.deferred) {
defaultScheduler.scheduleTask(task, priority, fiber);
} else {
this.tasks.scheduleTask(task, priority);
}
}
/**
* @since 2.0.0
*/
shouldYield(fiber) {
return fiber.currentOpCount > fiber.getFiberRef(core.currentMaxOpsBeforeYield) ? fiber.getFiberRef(core.currentSchedulingPriority) : false;
}
/**
* @since 2.0.0
*/
flush() {
while (this.tasks.buckets.length > 0) {
const tasks = this.tasks.buckets;
this.tasks.buckets = [];
for (const [_, toRun] of tasks) {
for (let i = 0; i < toRun.length; i++) {
toRun[i]();
}
}
}
this.deferred = true;
}
}
/**
* @since 2.0.0
* @category constructors
*/
export class ControlledScheduler {
/**
* @since 2.0.0
*/
tasks = /*#__PURE__*/new PriorityBuckets();
/**
* @since 2.0.0
*/
deferred = false;
/**
* @since 2.0.0
*/
scheduleTask(task, priority, fiber) {
if (this.deferred) {
defaultScheduler.scheduleTask(task, priority, fiber);
} else {
this.tasks.scheduleTask(task, priority);
}
}
/**
* @since 2.0.0
*/
shouldYield(fiber) {
return fiber.currentOpCount > fiber.getFiberRef(core.currentMaxOpsBeforeYield) ? fiber.getFiberRef(core.currentSchedulingPriority) : false;
}
/**
* @since 2.0.0
*/
step() {
const tasks = this.tasks.buckets;
this.tasks.buckets = [];
for (const [_, toRun] of tasks) {
for (let i = 0; i < toRun.length; i++) {
toRun[i]();
}
}
}
}
/**
* @since 2.0.0
* @category constructors
*/
export const makeMatrix = (...record) => {
const index = record.sort(([p0], [p1]) => p0 < p1 ? -1 : p0 > p1 ? 1 : 0);
return {
shouldYield(fiber) {
for (const scheduler of record) {
const priority = scheduler[1].shouldYield(fiber);
if (priority !== false) {
return priority;
}
}
return false;
},
scheduleTask(task, priority, fiber) {
let scheduler = undefined;
for (const i of index) {
if (priority >= i[0]) {
scheduler = i[1];
} else {
return (scheduler ?? defaultScheduler).scheduleTask(task, priority, fiber);
}
}
return (scheduler ?? defaultScheduler).scheduleTask(task, priority, fiber);
}
};
};
/**
* @since 2.0.0
* @category utilities
*/
export const defaultShouldYield = fiber => {
return fiber.currentOpCount > fiber.getFiberRef(core.currentMaxOpsBeforeYield) ? fiber.getFiberRef(core.currentSchedulingPriority) : false;
};
/**
* @since 2.0.0
* @category constructors
*/
export const make = (scheduleTask, shouldYield = defaultShouldYield) => ({
scheduleTask,
shouldYield
});
/**
* @since 2.0.0
* @category constructors
*/
export const makeBatched = (callback, shouldYield = defaultShouldYield) => {
const getRunner = SchedulerRunner.cached((_, drain) => {
callback(() => drain(0));
});
return make((task, priority, fiber) => {
getRunner(fiber).scheduleTask(task, priority);
}, shouldYield);
};
/**
* @since 2.0.0
* @category constructors
*/
export const timer = (ms, shouldYield = defaultShouldYield) => make(task => setTimeout(task, ms), shouldYield);
/**
* @since 2.0.0
* @category constructors
*/
export const timerBatched = (ms, shouldYield = defaultShouldYield) => makeBatched(task => setTimeout(task, ms), shouldYield);
/** @internal */
export const currentScheduler = /*#__PURE__*/globalValue(/*#__PURE__*/Symbol.for("effect/FiberRef/currentScheduler"), () => core.fiberRefUnsafeMake(defaultScheduler));
/** @internal */
export const withScheduler = /*#__PURE__*/dual(2, (self, scheduler) => core.fiberRefLocally(self, currentScheduler, scheduler));
//# sourceMappingURL=Scheduler.js.map