70 lines
2.2 KiB
JavaScript
70 lines
2.2 KiB
JavaScript
import * as Duration from "../../Duration.js";
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import { dual } from "../../Function.js";
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import * as Option from "../../Option.js";
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/** @internal */
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const IntervalSymbolKey = "effect/ScheduleInterval";
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/** @internal */
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export const IntervalTypeId = /*#__PURE__*/Symbol.for(IntervalSymbolKey);
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/** @internal */
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export const empty = {
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[IntervalTypeId]: IntervalTypeId,
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startMillis: 0,
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endMillis: 0
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};
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/** @internal */
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export const make = (startMillis, endMillis) => {
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if (startMillis > endMillis) {
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return empty;
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}
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return {
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[IntervalTypeId]: IntervalTypeId,
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startMillis,
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endMillis
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};
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};
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/** @internal */
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export const lessThan = /*#__PURE__*/dual(2, (self, that) => min(self, that) === self);
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/** @internal */
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export const min = /*#__PURE__*/dual(2, (self, that) => {
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if (self.endMillis <= that.startMillis) return self;
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if (that.endMillis <= self.startMillis) return that;
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if (self.startMillis < that.startMillis) return self;
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if (that.startMillis < self.startMillis) return that;
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if (self.endMillis <= that.endMillis) return self;
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return that;
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});
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/** @internal */
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export const max = /*#__PURE__*/dual(2, (self, that) => min(self, that) === self ? that : self);
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/** @internal */
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export const isEmpty = self => {
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return self.startMillis >= self.endMillis;
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};
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/** @internal */
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export const isNonEmpty = self => {
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return !isEmpty(self);
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};
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/** @internal */
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export const intersect = /*#__PURE__*/dual(2, (self, that) => {
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const start = Math.max(self.startMillis, that.startMillis);
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const end = Math.min(self.endMillis, that.endMillis);
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return make(start, end);
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});
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/** @internal */
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export const size = self => {
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return Duration.millis(self.endMillis - self.startMillis);
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};
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/** @internal */
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export const union = /*#__PURE__*/dual(2, (self, that) => {
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const start = Math.max(self.startMillis, that.startMillis);
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const end = Math.min(self.endMillis, that.endMillis);
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return start < end ? Option.none() : Option.some(make(start, end));
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});
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/** @internal */
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export const after = startMilliseconds => {
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return make(startMilliseconds, Number.POSITIVE_INFINITY);
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};
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/** @internal */
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export const before = endMilliseconds => {
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return make(Number.NEGATIVE_INFINITY, endMilliseconds);
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};
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//# sourceMappingURL=interval.js.map
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