import { dual } from "../Function.js";
import { hasProperty } from "../Predicate.js";
import * as completedRequestMap from "./completedRequestMap.js";
import * as core from "./core.js";
import { StructuralPrototype } from "./effectable.js";
/** @internal */
const RequestSymbolKey = "effect/Request";
/** @internal */
export const RequestTypeId = /*#__PURE__*/Symbol.for(RequestSymbolKey);
const requestVariance = {
/* c8 ignore next */
_E: _ => _,
/* c8 ignore next */
_A: _ => _
};
const RequestPrototype = {
...StructuralPrototype,
[RequestTypeId]: requestVariance
};
/** @internal */
export const isRequest = u => hasProperty(u, RequestTypeId);
/** @internal */
export const of = () => args => Object.assign(Object.create(RequestPrototype), args);
/** @internal */
export const tagged = tag => args => {
const request = Object.assign(Object.create(RequestPrototype), args);
request._tag = tag;
return request;
};
/** @internal */
export const Class = /*#__PURE__*/function () {
function Class(args) {
if (args) {
Object.assign(this, args);
}
}
Class.prototype = RequestPrototype;
return Class;
}();
/** @internal */
export const TaggedClass = tag => {
return class TaggedClass extends Class {
_tag = tag;
};
};
/** @internal */
export const complete = /*#__PURE__*/dual(2, (self, result) => core.fiberRefGetWith(completedRequestMap.currentRequestMap, map => core.sync(() => {
if (map.has(self)) {
const entry = map.get(self);
if (!entry.state.completed) {
entry.state.completed = true;
core.deferredUnsafeDone(entry.result, result);
}
}
})));
/** @internal */
export const completeEffect = /*#__PURE__*/dual(2, (self, effect) => core.matchEffect(effect, {
onFailure: error => complete(self, core.exitFail(error)),
onSuccess: value => complete(self, core.exitSucceed(value))
}));
/** @internal */
export const fail = /*#__PURE__*/dual(2, (self, error) => complete(self, core.exitFail(error)));
/** @internal */
export const failCause = /*#__PURE__*/dual(2, (self, cause) => complete(self, core.exitFailCause(cause)));
/** @internal */
export const succeed = /*#__PURE__*/dual(2, (self, value) => complete(self, core.exitSucceed(value)));
/** @internal */
export class Listeners {
count = 0;
observers = /*#__PURE__*/new Set();
interrupted = false;
addObserver(f) {
this.observers.add(f);
}
removeObserver(f) {
this.observers.delete(f);
}
increment() {
this.count++;
this.observers.forEach(f => f(this.count));
}
decrement() {
this.count--;
this.observers.forEach(f => f(this.count));
}
}
/**
* @internal
*/
export const filterOutCompleted = requests => core.fiberRefGetWith(completedRequestMap.currentRequestMap, map => core.succeed(requests.filter(request => !(map.get(request)?.state.completed === true))));
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