effect
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The missing standard library for TypeScript, for writing production-grade software.
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JavaScript
;
Object.defineProperty(exports, "__esModule", {
value: true
});
exports.withPermitsScoped = exports.withPermits = exports.withPermitScoped = exports.withPermit = exports.unsafeMakeSemaphore = exports.releaseN = exports.release = exports.make = exports.available = exports.acquireN = exports.acquire = exports.TSemaphoreTypeId = void 0;
var Cause = _interopRequireWildcard(require("../../Cause.js"));
var Effect = _interopRequireWildcard(require("../../Effect.js"));
var _Function = require("../../Function.js");
var STM = _interopRequireWildcard(require("../../STM.js"));
var core = _interopRequireWildcard(require("./core.js"));
var tRef = _interopRequireWildcard(require("./tRef.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 TSemaphoreSymbolKey = "effect/TSemaphore";
/** @internal */
const TSemaphoreTypeId = exports.TSemaphoreTypeId = /*#__PURE__*/Symbol.for(TSemaphoreSymbolKey);
/** @internal */
class TSemaphoreImpl {
permits;
[TSemaphoreTypeId] = TSemaphoreTypeId;
constructor(permits) {
this.permits = permits;
}
}
/** @internal */
const make = permits => STM.map(tRef.make(permits), permits => new TSemaphoreImpl(permits));
/** @internal */
exports.make = make;
const acquire = self => acquireN(self, 1);
/** @internal */
exports.acquire = acquire;
const acquireN = exports.acquireN = /*#__PURE__*/(0, _Function.dual)(2, (self, n) => core.withSTMRuntime(driver => {
if (n < 0) {
throw new Cause.IllegalArgumentException(`Unexpected negative value ${n} passed to Semaphore.acquireN`);
}
const value = tRef.unsafeGet(self.permits, driver.journal);
if (value < n) {
return STM.retry;
} else {
return STM.succeed(tRef.unsafeSet(self.permits, value - n, driver.journal));
}
}));
/** @internal */
const available = self => tRef.get(self.permits);
/** @internal */
exports.available = available;
const release = self => releaseN(self, 1);
/** @internal */
exports.release = release;
const releaseN = exports.releaseN = /*#__PURE__*/(0, _Function.dual)(2, (self, n) => core.withSTMRuntime(driver => {
if (n < 0) {
throw new Cause.IllegalArgumentException(`Unexpected negative value ${n} passed to Semaphore.releaseN`);
}
const current = tRef.unsafeGet(self.permits, driver.journal);
return STM.succeed(tRef.unsafeSet(self.permits, current + n, driver.journal));
}));
/** @internal */
const withPermit = exports.withPermit = /*#__PURE__*/(0, _Function.dual)(2, (self, semaphore) => withPermits(self, semaphore, 1));
/** @internal */
const withPermits = exports.withPermits = /*#__PURE__*/(0, _Function.dual)(3, (self, semaphore, permits) => Effect.uninterruptibleMask(restore => Effect.zipRight(restore(core.commit(acquireN(permits)(semaphore))), Effect.ensuring(self, core.commit(releaseN(permits)(semaphore))))));
/** @internal */
const withPermitScoped = self => withPermitsScoped(self, 1);
/** @internal */
exports.withPermitScoped = withPermitScoped;
const withPermitsScoped = exports.withPermitsScoped = /*#__PURE__*/(0, _Function.dual)(2, (self, permits) => Effect.acquireReleaseInterruptible(core.commit(acquireN(self, permits)), () => core.commit(releaseN(self, permits))));
/** @internal */
const unsafeMakeSemaphore = permits => {
return new TSemaphoreImpl(new tRef.TRefImpl(permits));
};
exports.unsafeMakeSemaphore = unsafeMakeSemaphore;
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