veffect
Version:
powerful TypeScript validation library built on the robust foundation of Effect combining exceptional type safety, high performance, and developer experience. Taking inspiration from Effect's functional principles, VEffect delivers a balanced approach tha
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JavaScript
import * as Context from "../Context.js";
import * as Duration from "../Duration.js";
import { constFalse } from "../Function.js";
import * as core from "./core.js";
/** @internal */
const ClockSymbolKey = "effect/Clock";
/** @internal */
export const ClockTypeId = /*#__PURE__*/Symbol.for(ClockSymbolKey);
/** @internal */
export const clockTag = /*#__PURE__*/Context.GenericTag("effect/Clock");
/** @internal */
export const MAX_TIMER_MILLIS = 2 ** 31 - 1;
/** @internal */
export const globalClockScheduler = {
unsafeSchedule(task, duration) {
const millis = Duration.toMillis(duration);
// If the duration is greater than the value allowable by the JS timer
// functions, treat the value as an infinite duration
if (millis > MAX_TIMER_MILLIS) {
return constFalse;
}
let completed = false;
const handle = setTimeout(() => {
completed = true;
task();
}, millis);
return () => {
clearTimeout(handle);
return !completed;
};
}
};
const performanceNowNanos = /*#__PURE__*/function () {
const bigint1e6 = /*#__PURE__*/BigInt(1_000_000);
if (typeof performance === "undefined") {
return () => BigInt(Date.now()) * bigint1e6;
}
const origin = "timeOrigin" in performance && typeof performance.timeOrigin === "number" ? /*#__PURE__*/BigInt( /*#__PURE__*/Math.round(performance.timeOrigin * 1_000_000)) : /*#__PURE__*/BigInt( /*#__PURE__*/Date.now()) * bigint1e6 - /*#__PURE__*/BigInt( /*#__PURE__*/Math.round( /*#__PURE__*/performance.now() * 1_000_000));
return () => origin + BigInt(Math.round(performance.now() * 1_000_000));
}();
const processOrPerformanceNow = /*#__PURE__*/function () {
const processHrtime = typeof process === "object" && "hrtime" in process && typeof process.hrtime.bigint === "function" ? process.hrtime : undefined;
if (!processHrtime) {
return performanceNowNanos;
}
const origin = /*#__PURE__*/performanceNowNanos() - /*#__PURE__*/processHrtime.bigint();
return () => origin + processHrtime.bigint();
}();
/** @internal */
class ClockImpl {
[ClockTypeId] = ClockTypeId;
unsafeCurrentTimeMillis() {
return Date.now();
}
unsafeCurrentTimeNanos() {
return processOrPerformanceNow();
}
currentTimeMillis = core.sync(() => this.unsafeCurrentTimeMillis());
currentTimeNanos = core.sync(() => this.unsafeCurrentTimeNanos());
scheduler() {
return core.succeed(globalClockScheduler);
}
sleep(duration) {
return core.async(resume => {
const canceler = globalClockScheduler.unsafeSchedule(() => resume(core.unit), duration);
return core.asUnit(core.sync(canceler));
});
}
}
/** @internal */
export const make = () => new ClockImpl();
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