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
89 lines (88 loc) • 4.03 kB
JavaScript
;
Object.defineProperty(exports, "__esModule", {
value: true
});
exports.take = exports.poll = exports.offer = exports.make = exports.OP_HANDOFF_STATE_FULL = exports.OP_HANDOFF_STATE_EMPTY = exports.HandoffTypeId = void 0;
var Deferred = /*#__PURE__*/_interopRequireWildcard( /*#__PURE__*/require("../../Deferred.js"));
var Effect = /*#__PURE__*/_interopRequireWildcard( /*#__PURE__*/require("../../Effect.js"));
var _Function = /*#__PURE__*/require("../../Function.js");
var Option = /*#__PURE__*/_interopRequireWildcard( /*#__PURE__*/require("../../Option.js"));
var Ref = /*#__PURE__*/_interopRequireWildcard( /*#__PURE__*/require("../../Ref.js"));
function _getRequireWildcardCache(e) {
if ("function" != typeof WeakMap) return null;
var r = new WeakMap(),
t = new WeakMap();
return (_getRequireWildcardCache = function (e) {
return e ? t : r;
})(e);
}
function _interopRequireWildcard(e, r) {
if (!r && e && e.__esModule) return e;
if (null === e || "object" != typeof e && "function" != typeof e) return {
default: e
};
var t = _getRequireWildcardCache(r);
if (t && t.has(e)) return t.get(e);
var n = {
__proto__: null
},
a = Object.defineProperty && Object.getOwnPropertyDescriptor;
for (var u in e) if ("default" !== u && {}.hasOwnProperty.call(e, u)) {
var i = a ? Object.getOwnPropertyDescriptor(e, u) : null;
i && (i.get || i.set) ? Object.defineProperty(n, u, i) : n[u] = e[u];
}
return n.default = e, t && t.set(e, n), n;
}
/** @internal */
const HandoffTypeId = exports.HandoffTypeId = /*#__PURE__*/Symbol.for("effect/Stream/Handoff");
/** @internal */
const OP_HANDOFF_STATE_EMPTY = exports.OP_HANDOFF_STATE_EMPTY = "Empty";
/** @internal */
const OP_HANDOFF_STATE_FULL = exports.OP_HANDOFF_STATE_FULL = "Full";
/** @internal */
const handoffStateEmpty = notifyConsumer => ({
_tag: OP_HANDOFF_STATE_EMPTY,
notifyConsumer
});
/** @internal */
const handoffStateFull = (value, notifyProducer) => ({
_tag: OP_HANDOFF_STATE_FULL,
value,
notifyProducer
});
/** @internal */
const handoffStateMatch = (onEmpty, onFull) => {
return self => {
switch (self._tag) {
case OP_HANDOFF_STATE_EMPTY:
{
return onEmpty(self.notifyConsumer);
}
case OP_HANDOFF_STATE_FULL:
{
return onFull(self.value, self.notifyProducer);
}
}
};
};
const handoffVariance = {
/* c8 ignore next */
_A: _ => _
};
/** @internal */
const make = () => (0, _Function.pipe)(Deferred.make(), Effect.flatMap(deferred => Ref.make(handoffStateEmpty(deferred))), Effect.map(ref => ({
[HandoffTypeId]: handoffVariance,
ref
})));
/** @internal */
exports.make = make;
const offer = exports.offer = /*#__PURE__*/(0, _Function.dual)(2, (self, value) => {
return Effect.flatMap(Deferred.make(), deferred => Effect.flatten(Ref.modify(self.ref, state => (0, _Function.pipe)(state, handoffStateMatch(notifyConsumer => [Effect.zipRight(Deferred.succeed(notifyConsumer, void 0), Deferred.await(deferred)), handoffStateFull(value, deferred)], (_, notifyProducer) => [Effect.flatMap(Deferred.await(notifyProducer), () => (0, _Function.pipe)(self, offer(value))), state])))));
});
/** @internal */
const take = self => Effect.flatMap(Deferred.make(), deferred => Effect.flatten(Ref.modify(self.ref, state => (0, _Function.pipe)(state, handoffStateMatch(notifyConsumer => [Effect.flatMap(Deferred.await(notifyConsumer), () => take(self)), state], (value, notifyProducer) => [Effect.as(Deferred.succeed(notifyProducer, void 0), value), handoffStateEmpty(deferred)])))));
/** @internal */
exports.take = take;
const poll = self => Effect.flatMap(Deferred.make(), deferred => Effect.flatten(Ref.modify(self.ref, state => (0, _Function.pipe)(state, handoffStateMatch(() => [Effect.succeed(Option.none()), state], (value, notifyProducer) => [Effect.as(Deferred.succeed(notifyProducer, void 0), Option.some(value)), handoffStateEmpty(deferred)])))));
exports.poll = poll;
//# sourceMappingURL=handoff.js.map