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"use strict";
Object.defineProperty(exports, "__esModule", {
value: true
});
exports.onExit = exports.onError = exports.never = exports.matchEffect = exports.matchCauseEffect = exports.matchCause = exports.match = exports.mapErrorCause = exports.mapError = exports.map = exports.let = exports.isMicroExit = exports.isMicroCause = exports.isMicro = exports.interruptible = exports.interrupt = exports.ignoreLogged = exports.ignore = exports.gen = exports.fromOption = exports.fromEither = exports.forkScoped = exports.forkIn = exports.forkDaemon = exports.fork = exports.forever = exports.forEach = exports.flip = exports.flatten = exports.flatMap = exports.filterOrFailCause = exports.filterOrFail = exports.filterMap = exports.filter = exports.fiberJoin = exports.fiberInterruptAll = exports.fiberInterrupt = exports.fiberAwait = exports.failSync = exports.failCauseSync = exports.failCause = exports.fail = exports.exitVoidAll = exports.exitVoid = exports.exitSucceed = exports.exitIsSuccess = exports.exitIsInterrupt = exports.exitIsFailure = exports.exitIsFail = exports.exitIsDie = exports.exitInterrupt = exports.exitFailCause = exports.exitFail = exports.exitDie = exports.exit = exports.ensuring = exports.either = exports.die = exports.delay = exports.context = exports.causeWithTrace = exports.causeSquash = exports.causeIsInterrupt = exports.causeIsFail = exports.causeIsDie = exports.causeInterrupt = exports.causeFail = exports.causeDie = exports.catchTag = exports.catchIf = exports.catchCauseIf = exports.catchAllDefect = exports.catchAllCause = exports.catchAll = exports.bindTo = exports.bind = exports.async = exports.asVoid = exports.asSome = exports.as = exports.andThen = exports.all = exports.addFinalizer = exports.acquireUseRelease = exports.acquireRelease = exports.TypeId = exports.TimeoutException = exports.TaggedError = exports.NoSuchElementException = exports.MicroScopeTypeId = exports.MicroScope = exports.MicroSchedulerDefault = exports.MicroFiberTypeId = exports.MicroExitTypeId = exports.MicroCauseTypeId = exports.MaxOpsBeforeYield = exports.Error = exports.Do = exports.CurrentScheduler = exports.CurrentConcurrency = void 0;
exports.zipWith = exports.zip = exports.yieldNowWith = exports.yieldNow = exports.yieldFlush = exports.withTrace = exports.withMicroFiber = exports.withConcurrency = exports.whileLoop = exports.when = exports.void = exports.updateService = exports.updateContext = exports.uninterruptibleMask = exports.uninterruptible = exports.tryPromise = exports.try = exports.timeoutOrElse = exports.timeoutOption = exports.timeout = exports.tapErrorCauseIf = exports.tapErrorCause = exports.tapError = exports.tapDefect = exports.tap = exports.sync = exports.suspend = exports.succeedSome = exports.succeedNone = exports.succeed = exports.sleep = exports.serviceOption = exports.service = exports.scoped = exports.scopeUnsafeMake = exports.scopeMake = exports.scope = exports.scheduleWithMaxElapsed = exports.scheduleWithMaxDelay = exports.scheduleUnion = exports.scheduleSpaced = exports.scheduleRecurs = exports.scheduleIntersect = exports.scheduleExponential = exports.scheduleAddDelay = exports.sandbox = exports.runSyncExit = exports.runSync = exports.runPromiseExit = exports.runPromise = exports.runFork = exports.retry = exports.replicateEffect = exports.replicate = exports.repeatExit = exports.repeat = exports.raceFirst = exports.raceAllFirst = exports.raceAll = exports.race = exports.provideServiceEffect = exports.provideService = exports.provideScope = exports.provideContext = exports.promise = exports.orElseSucceed = exports.orDie = exports.option = exports.onInterrupt = exports.onExitIf = void 0;
var Arr = _interopRequireWildcard(require("./Array.js"));
var Context = _interopRequireWildcard(require("./Context.js"));
var Effectable = _interopRequireWildcard(require("./Effectable.js"));
var Either = _interopRequireWildcard(require("./Either.js"));
var Equal = _interopRequireWildcard(require("./Equal.js"));
var _Function = require("./Function.js");
var _GlobalValue = require("./GlobalValue.js");
var Hash = _interopRequireWildcard(require("./Hash.js"));
var _Inspectable = require("./Inspectable.js");
var InternalContext = _interopRequireWildcard(require("./internal/context.js"));
var doNotation = _interopRequireWildcard(require("./internal/doNotation.js"));
var _effectable = require("./internal/effectable.js");
var Option = _interopRequireWildcard(require("./Option.js"));
var _Pipeable = require("./Pipeable.js");
var _Predicate = require("./Predicate.js");
var _Utils = require("./Utils.js");
function _interopRequireWildcard(e, t) { if ("function" == typeof WeakMap) var r = new WeakMap(), n = new WeakMap(); return (_interopRequireWildcard = function (e, t) { if (!t && e && e.__esModule) return e; var o, i, f = { __proto__: null, default: e }; if (null === e || "object" != typeof e && "function" != typeof e) return f; if (o = t ? n : r) { if (o.has(e)) return o.get(e); o.set(e, f); } for (const t in e) "default" !== t && {}.hasOwnProperty.call(e, t) && ((i = (o = Object.defineProperty) && Object.getOwnPropertyDescriptor(e, t)) && (i.get || i.set) ? o(f, t, i) : f[t] = e[t]); return f; })(e, t); }
/**
* A lightweight alternative to the `Effect` data type, with a subset of the functionality.
*
* @since 3.4.0
* @experimental
*/
/**
* @since 3.4.0
* @experimental
* @category type ids
*/
const TypeId = exports.TypeId = /*#__PURE__*/Symbol.for("effect/Micro");
/**
* @since 3.4.0
* @experimental
* @category MicroExit
*/
const MicroExitTypeId = exports.MicroExitTypeId = /*#__PURE__*/Symbol.for("effect/Micro/MicroExit");
/**
* @since 3.4.0
* @experimental
* @category guards
*/
const isMicro = u => typeof u === "object" && u !== null && TypeId in u;
// ----------------------------------------------------------------------------
// MicroCause
// ----------------------------------------------------------------------------
/**
* @since 3.4.6
* @experimental
* @category MicroCause
*/
exports.isMicro = isMicro;
const MicroCauseTypeId = exports.MicroCauseTypeId = /*#__PURE__*/Symbol.for("effect/Micro/MicroCause");
/**
* @since 3.6.6
* @experimental
* @category guards
*/
const isMicroCause = self => (0, _Predicate.hasProperty)(self, MicroCauseTypeId);
exports.isMicroCause = isMicroCause;
const microCauseVariance = {
_E: _Function.identity
};
class MicroCauseImpl extends globalThis.Error {
_tag;
traces;
[MicroCauseTypeId];
constructor(_tag, originalError, traces) {
const causeName = `MicroCause.${_tag}`;
let name;
let message;
let stack;
if (originalError instanceof globalThis.Error) {
name = `(${causeName}) ${originalError.name}`;
message = originalError.message;
const messageLines = message.split("\n").length;
stack = originalError.stack ? `(${causeName}) ${originalError.stack.split("\n").slice(0, messageLines + 3).join("\n")}` : `${name}: ${message}`;
} else {
name = causeName;
message = (0, _Inspectable.toStringUnknown)(originalError, 0);
stack = `${name}: ${message}`;
}
if (traces.length > 0) {
stack += `\n ${traces.join("\n ")}`;
}
super(message);
this._tag = _tag;
this.traces = traces;
this[MicroCauseTypeId] = microCauseVariance;
this.name = name;
this.stack = stack;
}
pipe() {
return (0, _Pipeable.pipeArguments)(this, arguments);
}
toString() {
return this.stack;
}
[_Inspectable.NodeInspectSymbol]() {
return this.stack;
}
}
class Fail extends MicroCauseImpl {
error;
constructor(error, traces = []) {
super("Fail", error, traces);
this.error = error;
}
}
/**
* @since 3.4.6
* @experimental
* @category MicroCause
*/
const causeFail = (error, traces = []) => new Fail(error, traces);
exports.causeFail = causeFail;
class Die extends MicroCauseImpl {
defect;
constructor(defect, traces = []) {
super("Die", defect, traces);
this.defect = defect;
}
}
/**
* @since 3.4.6
* @experimental
* @category MicroCause
*/
const causeDie = (defect, traces = []) => new Die(defect, traces);
exports.causeDie = causeDie;
class Interrupt extends MicroCauseImpl {
constructor(traces = []) {
super("Interrupt", "interrupted", traces);
}
}
/**
* @since 3.4.6
* @experimental
* @category MicroCause
*/
const causeInterrupt = (traces = []) => new Interrupt(traces);
/**
* @since 3.4.6
* @experimental
* @category MicroCause
*/
exports.causeInterrupt = causeInterrupt;
const causeIsFail = self => self._tag === "Fail";
/**
* @since 3.4.6
* @experimental
* @category MicroCause
*/
exports.causeIsFail = causeIsFail;
const causeIsDie = self => self._tag === "Die";
/**
* @since 3.4.6
* @experimental
* @category MicroCause
*/
exports.causeIsDie = causeIsDie;
const causeIsInterrupt = self => self._tag === "Interrupt";
/**
* @since 3.4.6
* @experimental
* @category MicroCause
*/
exports.causeIsInterrupt = causeIsInterrupt;
const causeSquash = self => self._tag === "Fail" ? self.error : self._tag === "Die" ? self.defect : self;
/**
* @since 3.4.6
* @experimental
* @category MicroCause
*/
exports.causeSquash = causeSquash;
const causeWithTrace = exports.causeWithTrace = /*#__PURE__*/(0, _Function.dual)(2, (self, trace) => {
const traces = [...self.traces, trace];
switch (self._tag) {
case "Die":
return causeDie(self.defect, traces);
case "Interrupt":
return causeInterrupt(traces);
case "Fail":
return causeFail(self.error, traces);
}
});
// ----------------------------------------------------------------------------
// MicroFiber
// ----------------------------------------------------------------------------
/**
* @since 3.11.0
* @experimental
* @category MicroFiber
*/
const MicroFiberTypeId = exports.MicroFiberTypeId = /*#__PURE__*/Symbol.for("effect/Micro/MicroFiber");
const fiberVariance = {
_A: _Function.identity,
_E: _Function.identity
};
class MicroFiberImpl {
context;
interruptible;
[MicroFiberTypeId];
_stack = [];
_observers = [];
_exit;
_children;
currentOpCount = 0;
constructor(context, interruptible = true) {
this.context = context;
this.interruptible = interruptible;
this[MicroFiberTypeId] = fiberVariance;
}
getRef(ref) {
return InternalContext.unsafeGetReference(this.context, ref);
}
addObserver(cb) {
if (this._exit) {
cb(this._exit);
return _Function.constVoid;
}
this._observers.push(cb);
return () => {
const index = this._observers.indexOf(cb);
if (index >= 0) {
this._observers.splice(index, 1);
}
};
}
_interrupted = false;
unsafeInterrupt() {
if (this._exit) {
return;
}
this._interrupted = true;
if (this.interruptible) {
this.evaluate(exitInterrupt);
}
}
unsafePoll() {
return this._exit;
}
evaluate(effect) {
if (this._exit) {
return;
} else if (this._yielded !== undefined) {
const yielded = this._yielded;
this._yielded = undefined;
yielded();
}
const exit = this.runLoop(effect);
if (exit === Yield) {
return;
}
// the interruptChildren middlware is added in Micro.fork, so it can be
// tree-shaken if not used
const interruptChildren = fiberMiddleware.interruptChildren && fiberMiddleware.interruptChildren(this);
if (interruptChildren !== undefined) {
return this.evaluate(flatMap(interruptChildren, () => exit));
}
this._exit = exit;
for (let i = 0; i < this._observers.length; i++) {
this._observers[i](exit);
}
this._observers.length = 0;
}
runLoop(effect) {
let yielding = false;
let current = effect;
this.currentOpCount = 0;
try {
while (true) {
this.currentOpCount++;
if (!yielding && this.getRef(CurrentScheduler).shouldYield(this)) {
yielding = true;
const prev = current;
current = flatMap(yieldNow, () => prev);
}
current = current[evaluate](this);
if (current === Yield) {
const yielded = this._yielded;
if (MicroExitTypeId in yielded) {
this._yielded = undefined;
return yielded;
}
return Yield;
}
}
} catch (error) {
if (!(0, _Predicate.hasProperty)(current, evaluate)) {
return exitDie(`MicroFiber.runLoop: Not a valid effect: ${String(current)}`);
}
return exitDie(error);
}
}
getCont(symbol) {
while (true) {
const op = this._stack.pop();
if (!op) return undefined;
const cont = op[ensureCont] && op[ensureCont](this);
if (cont) return {
[symbol]: cont
};
if (op[symbol]) return op;
}
}
// cancel the yielded operation, or for the yielded exit value
_yielded = undefined;
yieldWith(value) {
this._yielded = value;
return Yield;
}
children() {
return this._children ??= new Set();
}
}
const fiberMiddleware = /*#__PURE__*/(0, _GlobalValue.globalValue)("effect/Micro/fiberMiddleware", () => ({
interruptChildren: undefined
}));
const fiberInterruptChildren = fiber => {
if (fiber._children === undefined || fiber._children.size === 0) {
return undefined;
}
return fiberInterruptAll(fiber._children);
};
/**
* @since 3.11.0
* @experimental
* @category MicroFiber
*/
const fiberAwait = self => async(resume => sync(self.addObserver(exit => resume(succeed(exit)))));
/**
* @since 3.11.2
* @experimental
* @category MicroFiber
*/
exports.fiberAwait = fiberAwait;
const fiberJoin = self => flatten(fiberAwait(self));
/**
* @since 3.11.0
* @experimental
* @category MicroFiber
*/
exports.fiberJoin = fiberJoin;
const fiberInterrupt = self => suspend(() => {
self.unsafeInterrupt();
return asVoid(fiberAwait(self));
});
/**
* @since 3.11.0
* @experimental
* @category MicroFiber
*/
exports.fiberInterrupt = fiberInterrupt;
const fiberInterruptAll = fibers => suspend(() => {
for (const fiber of fibers) fiber.unsafeInterrupt();
const iter = fibers[Symbol.iterator]();
const wait = suspend(() => {
let result = iter.next();
while (!result.done) {
if (result.value.unsafePoll()) {
result = iter.next();
continue;
}
const fiber = result.value;
return async(resume => {
fiber.addObserver(_ => {
resume(wait);
});
});
}
return exitVoid;
});
return wait;
});
exports.fiberInterruptAll = fiberInterruptAll;
const identifier = /*#__PURE__*/Symbol.for("effect/Micro/identifier");
const args = /*#__PURE__*/Symbol.for("effect/Micro/args");
const evaluate = /*#__PURE__*/Symbol.for("effect/Micro/evaluate");
const successCont = /*#__PURE__*/Symbol.for("effect/Micro/successCont");
const failureCont = /*#__PURE__*/Symbol.for("effect/Micro/failureCont");
const ensureCont = /*#__PURE__*/Symbol.for("effect/Micro/ensureCont");
const Yield = /*#__PURE__*/Symbol.for("effect/Micro/Yield");
const microVariance = {
_A: _Function.identity,
_E: _Function.identity,
_R: _Function.identity
};
const MicroProto = {
...Effectable.EffectPrototype,
_op: "Micro",
[TypeId]: microVariance,
pipe() {
return (0, _Pipeable.pipeArguments)(this, arguments);
},
[Symbol.iterator]() {
return new _Utils.SingleShotGen(new _Utils.YieldWrap(this));
},
toJSON() {
return {
_id: "Micro",
op: this[identifier],
...(args in this ? {
args: this[args]
} : undefined)
};
},
toString() {
return (0, _Inspectable.format)(this);
},
[_Inspectable.NodeInspectSymbol]() {
return (0, _Inspectable.format)(this);
}
};
function defaultEvaluate(_fiber) {
return exitDie(`Micro.evaluate: Not implemented`);
}
const makePrimitiveProto = options => ({
...MicroProto,
[identifier]: options.op,
[evaluate]: options.eval ?? defaultEvaluate,
[successCont]: options.contA,
[failureCont]: options.contE,
[ensureCont]: options.ensure
});
const makePrimitive = options => {
const Proto = makePrimitiveProto(options);
return function () {
const self = Object.create(Proto);
self[args] = options.single === false ? arguments : arguments[0];
return self;
};
};
const makeExit = options => {
const Proto = {
...makePrimitiveProto(options),
[MicroExitTypeId]: MicroExitTypeId,
_tag: options.op,
get [options.prop]() {
return this[args];
},
toJSON() {
return {
_id: "MicroExit",
_tag: options.op,
[options.prop]: this[args]
};
},
[Equal.symbol](that) {
return isMicroExit(that) && that._tag === options.op && Equal.equals(this[args], that[args]);
},
[Hash.symbol]() {
return Hash.cached(this, Hash.combine(Hash.string(options.op))(Hash.hash(this[args])));
}
};
return function (value) {
const self = Object.create(Proto);
self[args] = value;
self[successCont] = undefined;
self[failureCont] = undefined;
self[ensureCont] = undefined;
return self;
};
};
/**
* Creates a `Micro` effect that will succeed with the specified constant value.
*
* @since 3.4.0
* @experimental
* @category constructors
*/
const succeed = exports.succeed = /*#__PURE__*/makeExit({
op: "Success",
prop: "value",
eval(fiber) {
const cont = fiber.getCont(successCont);
return cont ? cont[successCont](this[args], fiber) : fiber.yieldWith(this);
}
});
/**
* Creates a `Micro` effect that will fail with the specified `MicroCause`.
*
* @since 3.4.6
* @experimental
* @category constructors
*/
const failCause = exports.failCause = /*#__PURE__*/makeExit({
op: "Failure",
prop: "cause",
eval(fiber) {
let cont = fiber.getCont(failureCont);
while (causeIsInterrupt(this[args]) && cont && fiber.interruptible) {
cont = fiber.getCont(failureCont);
}
return cont ? cont[failureCont](this[args], fiber) : fiber.yieldWith(this);
}
});
/**
* Creates a `Micro` effect that fails with the given error.
*
* This results in a `Fail` variant of the `MicroCause` type, where the error is
* tracked at the type level.
*
* @since 3.4.0
* @experimental
* @category constructors
*/
const fail = error => failCause(causeFail(error));
/**
* Creates a `Micro` effect that succeeds with a lazily evaluated value.
*
* If the evaluation of the value throws an error, the effect will fail with a
* `Die` variant of the `MicroCause` type.
*
* @since 3.4.0
* @experimental
* @category constructors
*/
exports.fail = fail;
const sync = exports.sync = /*#__PURE__*/makePrimitive({
op: "Sync",
eval(fiber) {
const value = this[args]();
const cont = fiber.getCont(successCont);
return cont ? cont[successCont](value, fiber) : fiber.yieldWith(exitSucceed(value));
}
});
/**
* Lazily creates a `Micro` effect from the given side-effect.
*
* @since 3.4.0
* @experimental
* @category constructors
*/
const suspend = exports.suspend = /*#__PURE__*/makePrimitive({
op: "Suspend",
eval(_fiber) {
return this[args]();
}
});
/**
* Pause the execution of the current `Micro` effect, and resume it on the next
* scheduler tick.
*
* @since 3.4.0
* @experimental
* @category constructors
*/
const yieldNowWith = exports.yieldNowWith = /*#__PURE__*/makePrimitive({
op: "Yield",
eval(fiber) {
let resumed = false;
fiber.getRef(CurrentScheduler).scheduleTask(() => {
if (resumed) return;
fiber.evaluate(exitVoid);
}, this[args] ?? 0);
return fiber.yieldWith(() => {
resumed = true;
});
}
});
/**
* Pause the execution of the current `Micro` effect, and resume it on the next
* scheduler tick.
*
* @since 3.4.0
* @experimental
* @category constructors
*/
const yieldNow = exports.yieldNow = /*#__PURE__*/yieldNowWith(0);
/**
* Creates a `Micro` effect that will succeed with the value wrapped in `Some`.
*
* @since 3.4.0
* @experimental
* @category constructors
*/
const succeedSome = a => succeed(Option.some(a));
/**
* Creates a `Micro` effect that succeeds with `None`.
*
* @since 3.4.0
* @experimental
* @category constructors
*/
exports.succeedSome = succeedSome;
const succeedNone = exports.succeedNone = /*#__PURE__*/succeed(/*#__PURE__*/Option.none());
/**
* Creates a `Micro` effect that will fail with the lazily evaluated `MicroCause`.
*
* @since 3.4.0
* @experimental
* @category constructors
*/
const failCauseSync = evaluate => suspend(() => failCause(evaluate()));
/**
* Creates a `Micro` effect that will die with the specified error.
*
* This results in a `Die` variant of the `MicroCause` type, where the error is
* not tracked at the type level.
*
* @since 3.4.0
* @experimental
* @category constructors
*/
exports.failCauseSync = failCauseSync;
const die = defect => exitDie(defect);
/**
* Creates a `Micro` effect that will fail with the lazily evaluated error.
*
* This results in a `Fail` variant of the `MicroCause` type, where the error is
* tracked at the type level.
*
* @since 3.4.6
* @experimental
* @category constructors
*/
exports.die = die;
const failSync = error => suspend(() => fail(error()));
/**
* Converts an `Option` into a `Micro` effect, that will fail with
* `NoSuchElementException` if the option is `None`. Otherwise, it will succeed with the
* value of the option.
*
* @since 3.4.0
* @experimental
* @category constructors
*/
exports.failSync = failSync;
const fromOption = option => option._tag === "Some" ? succeed(option.value) : fail(new NoSuchElementException({}));
/**
* Converts an `Either` into a `Micro` effect, that will fail with the left side
* of the either if it is a `Left`. Otherwise, it will succeed with the right
* side of the either.
*
* @since 3.4.0
* @experimental
* @category constructors
*/
exports.fromOption = fromOption;
const fromEither = either => either._tag === "Right" ? succeed(either.right) : fail(either.left);
exports.fromEither = fromEither;
const void_ = exports.void = /*#__PURE__*/succeed(void 0);
const try_ = options => suspend(() => {
try {
return succeed(options.try());
} catch (err) {
return fail(options.catch(err));
}
});
exports.try = try_;
/**
* Wrap a `Promise` into a `Micro` effect.
*
* Any errors will result in a `Die` variant of the `MicroCause` type, where the
* error is not tracked at the type level.
*
* @since 3.4.0
* @experimental
* @category constructors
*/
const promise = evaluate => asyncOptions(function (resume, signal) {
evaluate(signal).then(a => resume(succeed(a)), e => resume(die(e)));
}, evaluate.length !== 0);
/**
* Wrap a `Promise` into a `Micro` effect. Any errors will be caught and
* converted into a specific error type.
*
* @example
* ```ts
* import { Micro } from "effect"
*
* Micro.tryPromise({
* try: () => Promise.resolve("success"),
* catch: (cause) => new Error("caught", { cause })
* })
* ```
*
* @since 3.4.0
* @experimental
* @category constructors
*/
exports.promise = promise;
const tryPromise = options => asyncOptions(function (resume, signal) {
try {
options.try(signal).then(a => resume(succeed(a)), e => resume(fail(options.catch(e))));
} catch (err) {
resume(fail(options.catch(err)));
}
}, options.try.length !== 0);
/**
* Create a `Micro` effect using the current `MicroFiber`.
*
* @since 3.4.0
* @experimental
* @category constructors
*/
exports.tryPromise = tryPromise;
const withMicroFiber = exports.withMicroFiber = /*#__PURE__*/makePrimitive({
op: "WithMicroFiber",
eval(fiber) {
return this[args](fiber);
}
});
/**
* Flush any yielded effects that are waiting to be executed.
*
* @since 3.4.0
* @experimental
* @category constructors
*/
const yieldFlush = exports.yieldFlush = /*#__PURE__*/withMicroFiber(fiber => {
fiber.getRef(CurrentScheduler).flush();
return exitVoid;
});
const asyncOptions = /*#__PURE__*/makePrimitive({
op: "Async",
single: false,
eval(fiber) {
const register = this[args][0];
let resumed = false;
let yielded = false;
const controller = this[args][1] ? new AbortController() : undefined;
const onCancel = register(effect => {
if (resumed) return;
resumed = true;
if (yielded) {
fiber.evaluate(effect);
} else {
yielded = effect;
}
}, controller?.signal);
if (yielded !== false) return yielded;
yielded = true;
fiber._yielded = () => {
resumed = true;
};
if (controller === undefined && onCancel === undefined) {
return Yield;
}
fiber._stack.push(asyncFinalizer(() => {
resumed = true;
controller?.abort();
return onCancel ?? exitVoid;
}));
return Yield;
}
});
const asyncFinalizer = /*#__PURE__*/makePrimitive({
op: "AsyncFinalizer",
ensure(fiber) {
if (fiber.interruptible) {
fiber.interruptible = false;
fiber._stack.push(setInterruptible(true));
}
},
contE(cause, _fiber) {
return causeIsInterrupt(cause) ? flatMap(this[args](), () => failCause(cause)) : failCause(cause);
}
});
/**
* Create a `Micro` effect from an asynchronous computation.
*
* You can return a cleanup effect that will be run when the effect is aborted.
* It is also passed an `AbortSignal` that is triggered when the effect is
* aborted.
*
* @since 3.4.0
* @experimental
* @category constructors
*/
const async = register => asyncOptions(register, register.length >= 2);
/**
* A `Micro` that will never succeed or fail. It wraps `setInterval` to prevent
* the Javascript runtime from exiting.
*
* @since 3.4.0
* @experimental
* @category constructors
*/
exports.async = async;
const never = exports.never = /*#__PURE__*/async(function () {
const interval = setInterval(_Function.constVoid, 2147483646);
return sync(() => clearInterval(interval));
});
/**
* @since 3.4.0
* @experimental
* @category constructors
*/
const gen = (...args) => suspend(() => fromIterator(args.length === 1 ? args[0]() : args[1].call(args[0])));
exports.gen = gen;
const fromIterator = /*#__PURE__*/makePrimitive({
op: "Iterator",
contA(value, fiber) {
const state = this[args].next(value);
if (state.done) return succeed(state.value);
fiber._stack.push(this);
return (0, _Utils.yieldWrapGet)(state.value);
},
eval(fiber) {
return this[successCont](undefined, fiber);
}
});
// ----------------------------------------------------------------------------
// mapping & sequencing
// ----------------------------------------------------------------------------
/**
* Create a `Micro` effect that will replace the success value of the given
* effect.
*
* @since 3.4.0
* @experimental
* @category mapping & sequencing
*/
const as = exports.as = /*#__PURE__*/(0, _Function.dual)(2, (self, value) => map(self, _ => value));
/**
* Wrap the success value of this `Micro` effect in a `Some`.
*
* @since 3.4.0
* @experimental
* @category mapping & sequencing
*/
const asSome = self => map(self, Option.some);
/**
* Swap the error and success types of the `Micro` effect.
*
* @since 3.4.0
* @experimental
* @category mapping & sequencing
*/
exports.asSome = asSome;
const flip = self => matchEffect(self, {
onFailure: succeed,
onSuccess: fail
});
/**
* A more flexible version of `flatMap` that combines `map` and `flatMap` into a
* single API.
*
* It also lets you directly pass a `Micro` effect, which will be executed after
* the current effect.
*
* @since 3.4.0
* @experimental
* @category mapping & sequencing
*/
exports.flip = flip;
const andThen = exports.andThen = /*#__PURE__*/(0, _Function.dual)(2, (self, f) => flatMap(self, a => {
const value = isMicro(f) ? f : typeof f === "function" ? f(a) : f;
return isMicro(value) ? value : succeed(value);
}));
/**
* Execute a side effect from the success value of the `Micro` effect.
*
* It is similar to the `andThen` api, but the success value is ignored.
*
* @since 3.4.0
* @experimental
* @category mapping & sequencing
*/
const tap = exports.tap = /*#__PURE__*/(0, _Function.dual)(2, (self, f) => flatMap(self, a => {
const value = isMicro(f) ? f : typeof f === "function" ? f(a) : f;
return isMicro(value) ? as(value, a) : succeed(a);
}));
/**
* Replace the success value of the `Micro` effect with `void`.
*
* @since 3.4.0
* @experimental
* @category mapping & sequencing
*/
const asVoid = self => flatMap(self, _ => exitVoid);
/**
* Access the `MicroExit` of the given `Micro` effect.
*
* @since 3.4.6
* @experimental
* @category mapping & sequencing
*/
exports.asVoid = asVoid;
const exit = self => matchCause(self, {
onFailure: exitFailCause,
onSuccess: exitSucceed
});
/**
* Replace the error type of the given `Micro` with the full `MicroCause` object.
*
* @since 3.4.0
* @experimental
* @category mapping & sequencing
*/
exports.exit = exit;
const sandbox = self => catchAllCause(self, fail);
/**
* Returns an effect that races all the specified effects,
* yielding the value of the first effect to succeed with a value. Losers of
* the race will be interrupted immediately
*
* @since 3.4.0
* @experimental
* @category sequencing
*/
exports.sandbox = sandbox;
const raceAll = all => withMicroFiber(parent => async(resume => {
const effects = Arr.fromIterable(all);
const len = effects.length;
let doneCount = 0;
let done = false;
const fibers = new Set();
const causes = [];
const onExit = exit => {
doneCount++;
if (exit._tag === "Failure") {
causes.push(exit.cause);
if (doneCount >= len) {
resume(failCause(causes[0]));
}
return;
}
done = true;
resume(fibers.size === 0 ? exit : flatMap(uninterruptible(fiberInterruptAll(fibers)), () => exit));
};
for (let i = 0; i < len; i++) {
if (done) break;
const fiber = unsafeFork(parent, interruptible(effects[i]), true, true);
fibers.add(fiber);
fiber.addObserver(exit => {
fibers.delete(fiber);
onExit(exit);
});
}
return fiberInterruptAll(fibers);
}));
/**
* Returns an effect that races all the specified effects,
* yielding the value of the first effect to succeed or fail. Losers of
* the race will be interrupted immediately.
*
* @since 3.4.0
* @experimental
* @category sequencing
*/
exports.raceAll = raceAll;
const raceAllFirst = all => withMicroFiber(parent => async(resume => {
let done = false;
const fibers = new Set();
const onExit = exit => {
done = true;
resume(fibers.size === 0 ? exit : flatMap(fiberInterruptAll(fibers), () => exit));
};
for (const effect of all) {
if (done) break;
const fiber = unsafeFork(parent, interruptible(effect), true, true);
fibers.add(fiber);
fiber.addObserver(exit => {
fibers.delete(fiber);
onExit(exit);
});
}
return fiberInterruptAll(fibers);
}));
/**
* Returns an effect that races two effects, yielding the value of the first
* effect to succeed. Losers of the race will be interrupted immediately.
*
* @since 3.4.0
* @experimental
* @category sequencing
*/
exports.raceAllFirst = raceAllFirst;
const race = exports.race = /*#__PURE__*/(0, _Function.dual)(2, (self, that) => raceAll([self, that]));
/**
* Returns an effect that races two effects, yielding the value of the first
* effect to succeed *or* fail. Losers of the race will be interrupted immediately.
*
* @since 3.4.0
* @experimental
* @category sequencing
*/
const raceFirst = exports.raceFirst = /*#__PURE__*/(0, _Function.dual)(2, (self, that) => raceAllFirst([self, that]));
/**
* Map the success value of this `Micro` effect to another `Micro` effect, then
* flatten the result.
*
* @since 3.4.0
* @experimental
* @category mapping & sequencing
*/
const flatMap = exports.flatMap = /*#__PURE__*/(0, _Function.dual)(2, (self, f) => {
const onSuccess = Object.create(OnSuccessProto);
onSuccess[args] = self;
onSuccess[successCont] = f;
return onSuccess;
});
const OnSuccessProto = /*#__PURE__*/makePrimitiveProto({
op: "OnSuccess",
eval(fiber) {
fiber._stack.push(this);
return this[args];
}
});
// ----------------------------------------------------------------------------
// mapping & sequencing
// ----------------------------------------------------------------------------
/**
* Flattens any nested `Micro` effects, merging the error and requirement types.
*
* @since 3.4.0
* @experimental
* @category mapping & sequencing
*/
const flatten = self => flatMap(self, _Function.identity);
/**
* Transforms the success value of the `Micro` effect with the specified
* function.
*
* @since 3.4.0
* @experimental
* @category mapping & sequencing
*/
exports.flatten = flatten;
const map = exports.map = /*#__PURE__*/(0, _Function.dual)(2, (self, f) => flatMap(self, a => succeed(f(a))));
/**
* @since 3.4.6
* @experimental
* @category MicroExit
*/
const isMicroExit = u => (0, _Predicate.hasProperty)(u, MicroExitTypeId);
/**
* @since 3.4.6
* @experimental
* @category MicroExit
*/
exports.isMicroExit = isMicroExit;
const exitSucceed = exports.exitSucceed = succeed;
/**
* @since 3.4.6
* @experimental
* @category MicroExit
*/
const exitFailCause = exports.exitFailCause = failCause;
/**
* @since 3.4.6
* @experimental
* @category MicroExit
*/
const exitInterrupt = exports.exitInterrupt = /*#__PURE__*/exitFailCause(/*#__PURE__*/causeInterrupt());
/**
* @since 3.4.6
* @experimental
* @category MicroExit
*/
const exitFail = e => exitFailCause(causeFail(e));
/**
* @since 3.4.6
* @experimental
* @category MicroExit
*/
exports.exitFail = exitFail;
const exitDie = defect => exitFailCause(causeDie(defect));
/**
* @since 3.4.6
* @experimental
* @category MicroExit
*/
exports.exitDie = exitDie;
const exitIsSuccess = self => self._tag === "Success";
/**
* @since 3.4.6
* @experimental
* @category MicroExit
*/
exports.exitIsSuccess = exitIsSuccess;
const exitIsFailure = self => self._tag === "Failure";
/**
* @since 3.4.6
* @experimental
* @category MicroExit
*/
exports.exitIsFailure = exitIsFailure;
const exitIsInterrupt = self => exitIsFailure(self) && self.cause._tag === "Interrupt";
/**
* @since 3.4.6
* @experimental
* @category MicroExit
*/
exports.exitIsInterrupt = exitIsInterrupt;
const exitIsFail = self => exitIsFailure(self) && self.cause._tag === "Fail";
/**
* @since 3.4.6
* @experimental
* @category MicroExit
*/
exports.exitIsFail = exitIsFail;
const exitIsDie = self => exitIsFailure(self) && self.cause._tag === "Die";
/**
* @since 3.4.6
* @experimental
* @category MicroExit
*/
exports.exitIsDie = exitIsDie;
const exitVoid = exports.exitVoid = /*#__PURE__*/exitSucceed(void 0);
/**
* @since 3.11.0
* @experimental
* @category MicroExit
*/
const exitVoidAll = exits => {
for (const exit of exits) {
if (exit._tag === "Failure") {
return exit;
}
}
return exitVoid;
};
exports.exitVoidAll = exitVoidAll;
const setImmediate = "setImmediate" in globalThis ? globalThis.setImmediate : f => setTimeout(f, 0);
/**
* @since 3.5.9
* @experimental
* @category scheduler
*/
class MicroSchedulerDefault {
tasks = [];
running = false;
/**
* @since 3.5.9
*/
scheduleTask(task, _priority) {
this.tasks.push(task);
if (!this.running) {
this.running = true;
setImmediate(this.afterScheduled);
}
}
/**
* @since 3.5.9
*/
afterScheduled = () => {
this.running = false;
this.runTasks();
};
/**
* @since 3.5.9
*/
runTasks() {
const tasks = this.tasks;
this.tasks = [];
for (let i = 0, len = tasks.length; i < len; i++) {
tasks[i]();
}
}
/**
* @since 3.5.9
*/
shouldYield(fiber) {
return fiber.currentOpCount >= fiber.getRef(MaxOpsBeforeYield);
}
/**
* @since 3.5.9
*/
flush() {
while (this.tasks.length > 0) {
this.runTasks();
}
}
}
/**
* Access the given `Context.Tag` from the environment.
*
* @since 3.4.0
* @experimental
* @category environment
*/
exports.MicroSchedulerDefault = MicroSchedulerDefault;
const service = tag => withMicroFiber(fiber => succeed(Context.unsafeGet(fiber.context, tag)));
/**
* Access the given `Context.Tag` from the environment, without tracking the
* dependency at the type level.
*
* It will return an `Option` of the service, depending on whether it is
* available in the environment or not.
*
* @since 3.4.0
* @experimental
* @category environment
*/
exports.service = service;
const serviceOption = tag => withMicroFiber(fiber => succeed(Context.getOption(fiber.context, tag)));
/**
* Update the Context with the given mapping function.
*
* @since 3.11.0
* @experimental
* @category environment
*/
exports.serviceOption = serviceOption;
const updateContext = exports.updateContext = /*#__PURE__*/(0, _Function.dual)(2, (self, f) => withMicroFiber(fiber => {
const prev = fiber.context;
fiber.context = f(prev);
return onExit(self, () => {
fiber.context = prev;
return void_;
});
}));
/**
* Update the service for the given `Context.Tag` in the environment.
*
* @since 3.11.0
* @experimental
* @category environment
*/
const updateService = exports.updateService = /*#__PURE__*/(0, _Function.dual)(3, (self, tag, f) => withMicroFiber(fiber => {
const prev = Context.unsafeGet(fiber.context, tag);
fiber.context = Context.add(fiber.context, tag, f(prev));
return onExit(self, () => {
fiber.context = Context.add(fiber.context, tag, prev);
return void_;
});
}));
/**
* Access the current `Context` from the environment.
*
* @since 3.4.0
* @experimental
* @category environment
*/
const context = () => getContext;
exports.context = context;
const getContext = /*#__PURE__*/withMicroFiber(fiber => succeed(fiber.context));
/**
* Merge the given `Context` with the current context.
*
* @since 3.4.0
* @experimental
* @category environment
*/
const provideContext = exports.provideContext = /*#__PURE__*/(0, _Function.dual)(2, (self, provided) => updateContext(self, Context.merge(provided)));
/**
* Add the provided service to the current context.
*
* @since 3.4.0
* @experimental
* @category environment
*/
const provideService = exports.provideService = /*#__PURE__*/(0, _Function.dual)(3, (self, tag, service) => updateContext(self, Context.add(tag, service)));
/**
* Create a service using the provided `Micro` effect, and add it to the
* current context.
*
* @since 3.4.6
* @experimental
* @category environment
*/
const provideServiceEffect = exports.provideServiceEffect = /*#__PURE__*/(0, _Function.dual)(3, (self, tag, acquire) => flatMap(acquire, service => provideService(self, tag, service)));
// ========================================================================
// References
// ========================================================================
/**
* @since 3.11.0
* @experimental
* @category references
*/
class MaxOpsBeforeYield extends /*#__PURE__*/Context.Reference()("effect/Micro/currentMaxOpsBeforeYield", {
defaultValue: () => 2048
}) {}
/**
* @since 3.11.0
* @experimental
* @category environment refs
*/
exports.MaxOpsBeforeYield = MaxOpsBeforeYield;
class CurrentConcurrency extends /*#__PURE__*/Context.Reference()("effect/Micro/currentConcurrency", {
defaultValue: () => "unbounded"
}) {}
/**
* @since 3.11.0
* @experimental
* @category environment refs
*/
exports.CurrentConcurrency = CurrentConcurrency;
class CurrentScheduler extends /*#__PURE__*/Context.Reference()("effect/Micro/currentScheduler", {
defaultValue: () => new MicroSchedulerDefault()
}) {}
/**
* If you have a `Micro` that uses `concurrency: "inherit"`, you can use this
* api to control the concurrency of that `Micro` when it is run.
*
* @example
* ```ts
* import * as Micro from "effect/Micro"
*
* Micro.forEach([1, 2, 3], (n) => Micro.succeed(n), {
* concurrency: "inherit"
* }).pipe(
* Micro.withConcurrency(2) // use a concurrency of 2
* )
* ```
*
* @since 3.4.0
* @experimental
* @category environment refs
*/
exports.CurrentScheduler = CurrentScheduler;
const withConcurrency = exports.withConcurrency = /*#__PURE__*/(0, _Function.dual)(2, (self, concurrency) => provideService(self, CurrentConcurrency, concurrency));
// ----------------------------------------------------------------------------
// zipping
// ----------------------------------------------------------------------------
/**
* Combine two `Micro` effects into a single effect that produces a tuple of
* their results.
*
* @since 3.4.0
* @experimental
* @category zipping
*/
const zip = exports.zip = /*#__PURE__*/(0, _Function.dual)(args => isMicro(args[1]), (self, that, options) => zipWith(self, that, (a, a2) => [a, a2], options));
/**
* The `Micro.zipWith` function combines two `Micro` effects and allows you to
* apply a function to the results of the combined effects, transforming them
* into a single value.
*
* @since 3.4.3
* @experimental
* @category zipping
*/
const zipWith = exports.zipWith = /*#__PURE__*/(0, _Function.dual)(args => isMicro(args[1]), (self, that, f, options) => options?.concurrent
// Use `all` exclusively for concurrent cases, as it introduces additional overhead due to the management of concurrency
? map(all([self, that], {
concurrency: 2
}), ([a, a2]) => f(a, a2)) : flatMap(self, a => map(that, a2 => f(a, a2))));
// ----------------------------------------------------------------------------
// filtering & conditionals
// ----------------------------------------------------------------------------
/**
* Filter the specified effect with the provided function, failing with specified
* `MicroCause` if the predicate fails.
*
* In addition to the filtering capabilities discussed earlier, you have the option to further
* refine and narrow down the type of the success channel by providing a
*
* @since 3.4.0
* @experimental
* @category filtering & conditionals
*/
const filterOrFailCause = exports.filterOrFailCause = /*#__PURE__*/(0, _Function.dual)(args => isMicro(args[0]), (self, refinement, orFailWith) => flatMap(self, a => refinement(a) ? succeed(a) : failCause(orFailWith(a))));
/**
* Filter the specified effect with the provided function, failing with specified
* error if the predicate fails.
*
* In addition to the filtering capabilities discussed earlier, you have the option to further
* refine and narrow down the type of the success channel by providing a
*
* @since 3.4.0
* @experimental
* @category filtering & conditionals
*/
const filterOrFail = exports.filterOrFail = /*#__PURE__*/(0, _Function.dual)(args => isMicro(args[0]), (self, refinement, orFailWith) => flatMap(self, a => refinement(a) ? succeed(a) : fail(orFailWith(a))));
/**
* The moral equivalent of `if (p) exp`.
*
* @since 3.4.0
* @experimental
* @category filtering & conditionals
*/
const when = exports.when = /*#__PURE__*/(0, _Function.dual)(2, (self, condition) => flatMap(isMicro(condition) ? condition : sync(condition), pass => pass ? asSome(self) : succeedNone));
// ----------------------------------------------------------------------------
// repetition
// ----------------------------------------------------------------------------
/**
* Repeat the given `Micro` using the provided options.
*
* The `while` predicate will be checked after each iteration, and can use the
* fall `MicroExit` of the effect to determine if the repetition should continue.
*
* @since 3.4.6
* @experimental
* @category repetition
*/
const repeatExit = exports.repeatExit = /*#__PURE__*/(0, _Function.dual)(2, (self, options) => suspend(() => {
const startedAt = options.schedule ? Date.now() : 0;
let attempt = 0;
const loop = flatMap(exit(self), exit => {
if (options.while !== undefined && !options.while(exit)) {
return exit;
} else if (options.times !== undefined && attempt >= options.times) {
return exit;
}
attempt++;
let delayEffect = yieldNow;
if (options.schedule !== undefined) {
const elapsed = Date.now() - startedAt;
const duration = options.schedule(attempt, elapsed);
if (Option.isNone(duration)) {
return exit;
}
delayEffect = sleep(duration.value);
}
return flatMap(delayEffect, () => loop);
});
return loop;
}));
/**
* Repeat the given `Micro` effect using the provided options. Only successful
* results will be repeated.
*
* @since 3.4.0
* @experimental
* @category repetition
*/
const repeat = exports.repeat = /*#__PURE__*/(0, _Function.dual)(args => isMicro(args[0]), (self, options) => repeatExit(self, {
...options,
while: exit => exit._tag === "Success" && (options?.while === undefined || options.while(exit.value))
}));
/**
* Replicates the given effect `n` times.
*
* @since 3.11.0
* @experimental
* @category repetition
*/
const replicate = exports.replicate = /*#__PURE__*/(0, _Function.dual)(2, (self, n) => Array.from({
length: n
}, () => self));
/**
* Performs this effect the specified number of times and collects the
* results.
*
* @since 3.11.0
* @category repetition
*/
const replicateEffect = exports.replicateEffect = /*#__PURE__*/(0, _Function.dual)(args => isMicro(args[0]), (self, n, options) => all(replicate(self, n), options));
/**
* Repeat the given `Micro` effect forever, only stopping if the effect fails.
*
* @since 3.4.0
* @experimental
* @category repetition
*/
const forever = self => repeat(self);
/**
* Create a `MicroSchedule` that will stop repeating after the specified number
* of attempts.
*
* @since 3.4.6
* @experimental
* @category scheduling
*/
exports.forever = forever;
const scheduleRecurs = n => attempt => attempt <= n ? Option.some(0) : Option.none();
/**
* Create a `MicroSchedule` that will generate a constant delay.
*
* @since 3.4.6
* @experimental
* @category scheduling
*/
exports.scheduleRecurs = scheduleRecurs;
const scheduleSpaced = millis => () => Option.some(millis);
/**
* Create a `MicroSchedule` that will generate a delay with an exponential backoff.
*
* @since 3.4.6
* @experimental
* @category scheduling
*/
exports.scheduleSpaced = scheduleSpaced;
const scheduleExponential = (baseMillis, factor = 2) => attempt => Option.some(Math.pow(factor, attempt) * baseMillis);
/**
* Returns a new `MicroSchedule` with an added calculated delay to each delay
* returned by this schedule.
*
* @since 3.4.6
* @experimental
* @category scheduling
*/
exports.scheduleExponential = scheduleExponential;
const scheduleAddDelay = exports.scheduleAddDelay = /*#__PURE__*/(0, _Function.dual)(2, (self, f) => (attempt, elapsed) => Option.map(self(attempt, elapsed), duration => duration + f()));
/**
* Transform a `MicroSchedule` to one that will have a delay that will never exceed
* the specified maximum.
*
* @since 3.4.6
* @experimental
* @category scheduling
*/
const scheduleWithMaxDelay = exports.scheduleWithMaxDelay = /*#__PURE__*/(0, _Function.dual)(2, (self, max) => (attempt, elapsed) => Option.map(self(attempt, elapsed), duration => Math.min(duration, max)));
/**
* Transform a `MicroSchedule` to one that will stop repeating after the specified
* amount of time.
*
* @since 3.4.6
* @experimental
* @category scheduling
*/
const scheduleWithMaxElapsed = exports.scheduleWithMaxElapsed = /*#__PURE__*/(0, _Function.dual)(2, (self, max) => (attempt, elapsed) => elapsed < max ? self(attempt, elapsed) : Option.none());
/**
* Combines two `MicroSchedule`s, by recurring if either schedule wants to
* recur, using the minimum of the two durations between recurrences.
*
* @since 3.4.6
* @experimental
* @category scheduling
*/
const scheduleUnion = exports.scheduleUnion = /*#__PURE__*/(0, _Function.dual)(2, (self, that) => (attempt, elapsed) => Option.zipWith(self(attempt, elapsed), that(attempt, elapsed), (d1, d2) => Math.min(d1, d2)));
/**
* Combines two `MicroSchedule`s, by recurring only if both schedules want to
* recur, using the maximum of the two durations between recurrences.
*
* @since 3.4.6
* @experimental
* @category scheduling
*/
const scheduleIntersect = exports.scheduleIntersect = /*#__PURE__*/(0, _Function.dual)(2, (self, that) => (attempt, elapsed) => Option.zipWith(self(attempt, elapsed), that(attempt, elapsed), (d1, d2) => Math.max(d1, d2)));
// ----------------------------------------------------------------------------
// error handling
// ----------------------------------------------------------------------------
/**
* Catch the full `MicroCause` object of the given `Micro` effect, allowing you to
* recover from any kind of cause.
*
* @since 3.4.6
* @experimental
* @category error handling
*/
const catchAllCause = exports.catchAllCause = /*#__PURE__*/(0, _Function.dual)(2, (self, f) => {
const onFailure = Object.create(OnFailureProto);
onFailure[args] = self;
onFailure[failureCont] = f;
return onFailure;
});
const OnFailureProto = /*#__PURE__*/makePrimitiveProto({
op: "OnFailure",
eval(fiber) {
fiber._stack.push(this);
return this[args];
}
});
/**
* Selectively catch a `MicroCause` object of the given `Micro` effect,
* using the provided predicate to determine if the failure should be caught.
*
* @since 3.4.6
* @experimental
* @category error handling
*/
const catchCauseIf = exports.catchCauseIf = /*#__PURE__*/(0, _Function.dual)(3, (self, predicate, f) => catchAllCause(self, cause => predicate(cause) ? f(cause) : failCause(cause)));
/**
* Catch the error of the given `Micro` effect, allowing you to recover from it.
*
* It only catches expected errors.
*
* @since 3.4.6
* @experimental
* @category error handling
*/
const catchAll = exports.catchAll = /*#__PURE__*/(0, _Function.dual)(2, (self, f) => catchCauseIf(self, causeIsFail, cause => f(cause.error)));
/**
* Catch any unexpected errors of the given `Micro` effect, allowing you to recover from them.
*
* @since 3.4.6
* @experimental
* @category error handling
*/
const catchAllDefect = exports.catchAllDefect = /*#__PURE__*/(0, _Function.dual)(2, (self, f) => catchCauseIf(self, causeIsDie, die => f(die.defect)));
/**
* Perform a side effect using the full `MicroCause` object of the given `Micro`.
*
* @since 3.4.6
* @experimental
* @category error handling
*/
const tapErrorCause = exports.tapErrorCause = /*#__PURE__*/(0, _Function.dual)(2, (self, f) => tapErrorCauseIf(self, _Function.constTrue, f));
/**
* Perform a side effect using if a `MicroCause` object matches the specified
* predicate.
*
* @since 3.4.0
* @experimental
* @category error handling
*/
const tapErrorCauseIf = exports.tapErrorCauseIf = /*#__PURE__*/(0, _Function.dual)(3, (self, refinement, f) => catchCauseIf(self, refinement, cause => andThen(f(cause), failCause(cause))));
/**
* Perform a side effect from expected errors of the given `Micro`.
*
* @since 3.4.6
* @experimental
* @category error handling
*/
const tapError = exports.tapError = /*#__PURE__*/(0, _Function.dual)(2, (self, f) => tapErrorCauseIf(self, causeIsFail, fail => f(fail.error)));
/**
* Perform a side effect from unexpected errors of the given `Micro`.
*
* @since 3.4.6
* @experimental
* @category error handling
*/
const tapDefect = exports.tapDefect = /*#__PURE__*/(0, _Function.dual)(2, (self, f) => tapErrorCauseIf(self, causeIsDie, die => f(die.defect)));
/**
* Catch any expected errors that match the specified predicate.
*
* @since 3.4.0
* @experimental
* @category error handling
*/
const catchIf = exports.catchIf = /*#__PURE__*/(0, _Function.dual)(3, (self, predicate, f) => catchCauseIf(self, f => causeIsFail(f) && predicate(f.error), fail => f(fail.error)));
/**
* Recovers from the specified tagged error.
*
* @since 3.4.0
* @experimental
* @category error handling
*/
const catchTag = exports.catchTag = /*#__PURE__*/(0, _Function.dual)(3, (self, k, f) => catchIf(self, (0, _Predicate.isTagged)(k), f));
/**
* Transform the full `MicroCause` object of the given `Micro` effect.
*
* @since 3.4.6
* @experimental
* @category error handling
*/
const mapErrorCause = exports.mapErrorCause = /*#__PURE__*/(0, _Function.dual)(2, (self, f) => catchAllCause(self, cause => failCause(f(cause))));
/**
* Transform any expected errors of the given `Micro` effect.
*
* @since 3.4.0
* @experimental
* @category error handling
*/
const mapError = exports.mapError = /*#__PURE__*/(0, _Function.dual)(2, (self, f) => catchAll(self, error => fail(f(error))));
/**
* Elevate any expected errors of the given `Micro` effect to unexpected errors,
* resulting in an error type of `never`.
*
* @since 3.4.0
* @experimental
* @category error handling
*/
const orDie = self => catchAll(self, die);
/**
* Recover from all errors by succeeding with the given value.
*
* @since 3.4.0
* @experimental
* @category error handling
*/
exports.orDie = orDie;
const orElseSucceed = exports.orElseSucceed = /*#__PURE__*/(0, _Function.dual)(2, (self, f) => catchAll(self, _ => sync(f)));
/**
* Ignore any expected errors of the given `Micro` effect, returning `void`.
*
* @since 3.4.0
* @experimental
* @category error handling
*/
const ignore = self => matchEffect(self, {
onFailure: _ => void_,
onSuccess: _ => void_
});
/**
* Ignore any expected errors of the given `Micro` effect, returning `void`.
*
* @since 3.4.0
* @experimental
* @category error handling
*/
exports.ignore = ignore;
const ignoreLogged = self => matchEffect(self, {
// eslint-disable-next-line no-console
onFailure: error => sync(() => console.error(error)),
onSuccess: _ => void_
});
/**
* Replace the success value of the given `Micro` effect with an `Option`,
* wrapping the success value in `Some` and returning `None` if the effect fails
* with an expected error.
*
* @since 3.4.0
* @experimental
* @category error handling
*/
exports.ignoreLogged = ignoreLogged;
const option = self => match(self, {
onFailure: Option.none,
onSuccess: Option.some
});
/**
* Replace the success value of the given `Micro` effect with an `Either`,
* wrapping the success value in `Right` and wrapping any expected errors with
* a `Left`.
*
* @since 3.4.0
* @experimental
* @category error handling
*/
exports.option = option;
const either = self => match(self, {
onFailure: Either.left,
onSuccess: Either.right
});
/**
* Retry the given `Micro` effect using the provided options.
*
* @since 3.4.0
* @experimental
* @category error handling
*/
exports.either = either;
const retry = exports.retry = /*#__PURE__*/(0, _Function.dual)(args => isMicro(args[0]), (self, options) => repeatExit(self, {
...options,
while: exit => exit._tag === "Failure" && exit.cause._tag === "Fail" && (options?.while === undefined || options.while(exit.cause.error))
}));
/**
* Add a stack trace to any failures that occur in the effect. The trace will be
* added to the `traces` field of the `MicroCause` object.
*
* @since 3.4.0
* @experimental
* @category error handling
*/
const withTrace = function () {
const prevLimit = globalThis.Error.stackTraceLimit;
globalThis.Error.stackTraceLimit = 2;
const error = new globalThis.Error();
globalThis.Error.stackTraceLimit = prevLimit;
function generate(name, cause) {
const stack = error.stack;
if (!stack) {
return cause;
}
const line = stack.split("\n")[2]?.trim().replace(/^at /, "");
if (!line) {
return cause;
}
const lineMatch = line.match(/\((.*)\)$/);
return causeWithTrace(cause, `at ${name} (${lineMatch ? lineMatch[1] : line})`);
}
const f = name => self => onError(self, cause => failCause(generate(name, cause)));
if (arguments.length === 2) {
return f(arguments[1])(arguments[0]);
}
return f(arguments[0]);
};
// ----------------------------------------------------------------------------
// pattern matching
// ----------------------------------------------------------------------------
/**
* @since 3.4.6
* @experimental
* @category pattern matching
*/
exports.withTrace = withTrace;
const matchCauseEffect = exports.matchCauseEffect = /*#__PURE__*/(0, _Function.dual)(2, (self, options) => {
const primitive = Object.create(OnSuccessAndFailureProto);
primitive[args] = self;
primitive[successCont] = options.onSuccess;
primitive[failureCont] = options.onFailure;
return primitive;
});
const OnSuccessAndFailureProto = /*#__PURE__*/makePrimitiveProto({
op: "OnSuccessAndFailure",
eval(fiber) {
fiber._stack.push(this);
return this[args];
}
});
/**
* @since 3.4.6
* @experimental
* @category pattern matching
*/
const matchCause = exports.matchCause = /*#__PURE__*/(0, _Function.dual)(2, (self, options) => matchCauseEffect(self, {
onFailure: cause => sync(() => options.onFailure(cause)),
onSuccess: value => sync(() => options.onSuccess(value))
}));
/**
* @since 3.4.6
* @experimental
* @category pattern matching
*/
const matchEffect = exports.matchEffect = /*#__PURE__*/(0, _Function.dual)(2, (self, options) => matchCauseEffect(self, {
onFailure: cause => cause._tag === "Fail" ? options.onFailure(cause.error) : failCause(cause),
onSuccess: options.onSuccess
}));
/**
* @since 3.4.0
* @experimental
* @category pattern matching
*/
const match = exports.match = /*#__PURE__*/(0, _Function.dual)(2, (self, options) => matchEffect(self, {
onFailure: error => sync(() => options.onFailure(error)),
onSuccess: value => sync(() => options.onSuccess(value))
}));
// ----------------------------------------------------------------------------
// delays & timeouts
// ----------------------------------------------------------------------------
/**
* Create a `Micro` effect that will sleep for the specified duration.
*
* @since 3.4.0
* @experimental
* @category delays & timeouts
*/
const sleep = millis => async(resume => {
const timeout = setTimeout(() => {
resume(void_);
}, millis);
return sync(() => {
clearTimeout(timeout);
});
});
/**
* Returns an effect that will delay the execution of this effect by the
* specified duration.
*
* @since 3.4.0
* @experimental
* @category delays & timeouts
*/
exports.sleep = sleep;
const delay = exports.delay = /*#__PURE__*/(0, _Function.dual)(2, (self, millis) => andThen(sleep(millis), self));
/**
* Returns an effect that will timeout this effect, that will execute the
* fallback effect if the timeout elapses before the effect has produced a value.
*
* If the timeout elapses, the running effect will be safely interrupted.
*
* @since 3.4.0
* @experimental
* @category delays & timeouts
*/
const timeoutOrElse = exports.timeoutOrElse = /*#__PURE__*/(0, _Function.dual)(2, (self, options) => raceFirst(self, andThen(interruptible(sleep(options.duration)), options.onTimeout)));
/**
* Returns an effect that will timeout this effect, that will fail with a
* `TimeoutException` if the timeout elapses before the effect has produced a
* value.
*
* If the timeout elapses, the running effect will be safely interrupted.
*
* @since 3.4.0
* @experimental
* @category delays & timeouts
*/
const timeout = exports.timeout = /*#__PURE__*/(0, _Function.dual)(2, (self, millis) => timeoutOrElse(self, {
duration: millis,
onTimeout: () => fail(new TimeoutException())
}));
/**
* Returns an effect that will timeout this effect, succeeding with a `None`
* if the timeout elapses before the effect has produced a value; and `Some` of
* the produced value otherwise.
*
* If the timeout elapses, the running effect will be safely interrupted.
*
* @since 3.4.0
* @experimental
* @category delays & timeouts
*/
const timeoutOption = exports.timeoutOption = /*#__PURE__*/(0, _Function.dual)(2, (self, millis) => raceFirst(asSome(self), as(interruptible(sleep(millis)), Option.none())));
// ----------------------------------------------------------------------------
// resources & finalization
// ----------------------------------------------------------------------------
/**
* @since 3.4.0
* @experimental
* @category resources & finalization
*/
const MicroScopeTypeId = exports.MicroScopeTypeId = /*#__PURE__*/Symbol.for("effect/Micro/MicroScope");
/**
* @since 3.4.0
* @experimental
* @category resources & finalization
*/
const MicroScope = exports.MicroScope = /*#__PURE__*/Context.GenericTag("effect/Micro/MicroScope");
class MicroScopeImpl {
[MicroScopeTypeId];
state = {
_tag: "Open",
finalizers: /*#__PURE__*/new Set()
};
constructor() {
this[MicroScopeTypeId] = MicroScopeTypeId;
}
unsafeAddFinalizer(finalizer) {
if (this.state._tag === "Open") {
this.state.finalizers.add(finalizer);
}
}
addFinalizer(finalizer) {
return suspend(() => {
if (this.state._tag === "Open") {
this.state.finalizers.add(finalizer);
return void_;
}
return finalizer(this.state.exit);
});
}
unsafeRemoveFinalizer(finalizer) {
if (this.state._tag === "Open") {
this.state.finalizers.delete(finalizer);
}
}
close(microExit) {
return suspend(() => {
if (this.state._tag === "Open") {
const finalizers = Array.from(this.state.finalizers).reverse();
this.state = {
_tag: "Closed",
exit: microExit
};
return flatMap(forEach(finalizers, finalizer => exit(finalizer(microExit))), exitVoidAll);
}
return void_;
});
}
get fork() {
return sync(() => {
const newScope = new MicroScopeImpl();
if (this.state._tag === "Closed") {
newScope.state = this.state;
return newScope;
}
function fin(exit) {
return newScope.close(exit);
}
this.state.finalizers.add(fin);
newScope.unsafeAddFinalizer(_ => sync(() => this.unsafeRemoveFinalizer(fin)));
return newScope;
});
}
}
/**
* @since 3.4.0
* @experimental
* @category resources & finalization
*/
const scopeMake = exports.scopeMake = /*#__PURE__*/sync(() => new MicroScopeImpl());
/**
* @since 3.4.0
* @experimental
* @category resources & finalization
*/
const scopeUnsafeMake = () => new MicroScopeImpl();
/**
* Access the current `MicroScope`.
*
* @since 3.4.0
* @experimental
* @category resources & finalization
*/
exports.scopeUnsafeMake = scopeUnsafeMake;
const scope = exports.scope = /*#__PURE__*/service(MicroScope);
/**
* Provide a `MicroScope` to an effect.
*
* @since 3.4.0
* @experimental
* @category resources & finalization
*/
const provideScope = exports.provideScope = /*#__PURE__*/(0, _Function.dual)(2, (self, scope) => provideService(self, MicroScope, scope));
/**
* Provide a `MicroScope` to the given effect, closing it after the effect has
* finished executing.
*
* @since 3.4.0
* @experimental
* @category resources & finalization
*/
const scoped = self => suspend(() => {
const scope = new MicroScopeImpl();
return onExit(provideService(self, MicroScope, scope), exit => scope.close(exit));
});
/**
* Create a resource with a cleanup `Micro` effect, ensuring the cleanup is
* executed when the `MicroScope` is closed.
*
* @since 3.4.0
* @experimental
* @category resources & finalization
*/
exports.scoped = scoped;
const acquireRelease = (acquire, release) => uninterruptible(flatMap(scope, scope => tap(acquire, a => scope.addFinalizer(exit => release(a, exit)))));
/**
* Add a finalizer to the current `MicroScope`.
*
* @since 3.4.0
* @experimental
* @category resources & finalization
*/
exports.acquireRelease = acquireRelease;
const addFinalizer = finalizer => flatMap(scope, scope => scope.addFinalizer(finalizer));
/**
* When the `Micro` effect is completed, run the given finalizer effect with the
* `MicroExit` of the executed effect.
*
* @since 3.4.6
* @experimental
* @category resources & finalization
*/
exports.addFinalizer = addFinalizer;
const onExit = exports.onExit = /*#__PURE__*/(0, _Function.dual)(2, (self, f) => uninterruptibleMask(restore => matchCauseEffect(restore(self), {
onFailure: cause => flatMap(f(exitFailCause(cause)), () => failCause(cause)),
onSuccess: a => flatMap(f(exitSucceed(a)), () => succeed(a))
})));
/**
* Regardless of the result of the this `Micro` effect, run the finalizer effect.
*
* @since 3.4.0
* @experimental
* @category resources & finalization
*/
const ensuring = exports.ensuring = /*#__PURE__*/(0, _Function.dual)(2, (self, finalizer) => onExit(self, _ => finalizer));
/**
* When the `Micro` effect is completed, run the given finalizer effect if it
* matches the specified predicate.
*
* @since 3.4.6
* @experimental
* @category resources & finalization
*/
const onExitIf = exports.onExitIf = /*#__PURE__*/(0, _Function.dual)(3, (self, refinement, f) => onExit(self, exit => refinement(exit) ? f(exit) : exitVoid));
/**
* When the `Micro` effect fails, run the given finalizer effect with the
* `MicroCause` of the executed effect.
*
* @since 3.4.6
* @experimental
* @category resources & finalization
*/
const onError = exports.onError = /*#__PURE__*/(0, _Function.dual)(2, (self, f) => onExitIf(self, exitIsFailure, exit => f(exit.cause)));
/**
* If this `Micro` effect is aborted, run the finalizer effect.
*
* @since 3.4.6
* @experimental
* @category resources & finalization
*/
const onInterrupt = exports.onInterrupt = /*#__PURE__*/(0, _Function.dual)(2, (self, finalizer) => onExitIf(self, exitIsInterrupt, _ => finalizer));
/**
* Acquire a resource, use it, and then release the resource when the `use`
* effect has completed.
*
* @since 3.4.0
* @experimental
* @category resources & finalization
*/
const acquireUseRelease = (acquire, use, release) => uninterruptibleMask(restore => flatMap(acquire, a => flatMap(exit(restore(use(a))), exit => andThen(release(a, exit), exit))));
// ----------------------------------------------------------------------------
// interruption
// ----------------------------------------------------------------------------
/**
* Abort the current `Micro` effect.
*
* @since 3.4.6
* @experimental
* @category interruption
*/
exports.acquireUseRelease = acquireUseRelease;
const interrupt = exports.interrupt = /*#__PURE__*/failCause(/*#__PURE__*/causeInterrupt());
/**
* Flag the effect as uninterruptible, which means that when the effect is
* interrupted, it will be allowed to continue running until completion.
*
* @since 3.4.0
* @experimental
* @category flags
*/
const uninterruptible = self => withMicroFiber(fiber => {
if (!fiber.interruptible) return self;
fiber.interruptible = false;
fiber._stack.push(setInterruptible(true));
return self;
});
exports.uninterruptible = uninterruptible;
const setInterruptible = /*#__PURE__*/makePrimitive({
op: "SetInterruptible",
ensure(fiber) {
fiber.interruptible = this[args];
if (fiber._interrupted && fiber.interruptible) {
return () => exitInterrupt;
}
}
});
/**
* Flag the effect as interruptible, which means that when the effect is
* interrupted, it will be interrupted immediately.
*
* @since 3.4.0
* @experimental
* @category flags
*/
const interruptible = self => withMicroFiber(fiber => {
if (fiber.interruptible) return self;
fiber.interruptible = true;
fiber._stack.push(setInterruptible(false));
if (fiber._interrupted) return exitInterrupt;
return self;
});
/**
* Wrap the given `Micro` effect in an uninterruptible region, preventing the
* effect from being aborted.
*
* You can use the `restore` function to restore a `Micro` effect to the
* interruptibility state before the `uninterruptibleMask` was applied.
*
* @example
* ```ts
* import * as Micro from "effect/Micro"
*
* Micro.uninterruptibleMask((restore) =>
* Micro.sleep(1000).pipe( // uninterruptible
* Micro.andThen(restore(Micro.sleep(1000))) // interruptible
* )
* )
* ```
*
* @since 3.4.0
* @experimental
* @category interruption
*/
exports.interruptible = interruptible;
const uninterruptibleMask = f => withMicroFiber(fiber => {
if (!fiber.interruptible) return f(_Function.identity);
fiber.interruptible = false;
fiber._stack.push(setInterruptible(true));
return f(interruptible);
});
/**
* Runs all the provided effects in sequence respecting the structure provided in input.
*
* Supports multiple arguments, a single argument tuple / array or record / struct.
*
* @since 3.4.0
* @experimental
* @category collecting & elements
*/
exports.uninterruptibleMask = uninterruptibleMask;
const all = (arg, options) => {
if (Array.isArray(arg) || (0, _Predicate.isIterable)(arg)) {
return forEach(arg, _Function.identity, options);
} else if (options?.discard) {
return forEach(Object.values(arg), _Function.identity, options);
}
return suspend(() => {
const out = {};
return as(forEach(Object.entries(arg), ([key, effect]) => map(effect, value => {
out[key] = value;
}), {
discard: true,
concurrency: options?.concurrency
}), out);
});
};
/**
* @since 3.11.0
* @experimental
* @category collecting & elements
*/
exports.all = all;
const whileLoop = exports.whileLoop = /*#__PURE__*/makePrimitive({
op: "While",
contA(value, fiber) {
this[args].step(value);
if (this[args].while()) {
fiber._stack.push(this);
return this[args].body();
}
return exitVoid;
},
eval(fiber) {
if (this[args].while()) {
fiber._stack.push(this);
return this[args].body();
}
return exitVoid;
}
});
/**
* For each element of the provided iterable, run the effect and collect the
* results.
*
* If the `discard` option is set to `true`, the results will be discarded and
* the effect will return `void`.
*
* The `concurrency` option can be set to control how many effects are run
* concurrently. By default, the effects are run sequentially.
*
* @since 3.4.0
* @experimental
* @category collecting & elements
*/
const forEach = (iterable, f, options) => withMicroFiber(parent => {
const concurrencyOption = options?.concurrency === "inherit" ? parent.getRef(CurrentConcurrency) : options?.concurrency ?? 1;
const concurrency = concurrencyOption === "unbounded" ? Number.POSITIVE_INFINITY : Math.max(1, concurrencyOption);
const items = Arr.fromIterable(iterable);
let length = items.length;
if (length === 0) {
return options?.discard ? void_ : succeed([]);
}
const out = options?.discard ? undefined : new Array(length);
let index = 0;
if (concurrency === 1) {
return as(whileLoop({
while: () => index < items.length,
body: () => f(items[index], index),
step: out ? b => out[index++] = b : _ => index++
}), out);
}
return async(resume => {
const fibers = new Set();
let result = undefined;
let inProgress = 0;
let doneCount = 0;
let pumping = false;
let interrupted = false;
function pump() {
pumping = true;
while (inProgress < concurrency && index < length) {
const currentIndex = index;
const item = items[currentIndex];
index++;
inProgress++;
try {
const child = unsafeFork(parent, f(item, currentIndex), true, true);
fibers.add(child);
child.addObserver(exit => {
fibers.delete(child);
if (interrupted) {
return;
} else if (exit._tag === "Failure") {
if (result === undefined) {
result = exit;
length = index;
fibers.forEach(fiber => fiber.unsafeInterrupt());
}
} else if (out !== undefined) {
out[currentIndex] = exit.value;
}
doneCount++;
inProgress--;
if (doneCount === length) {
resume(result ?? succeed(out));
} else if (!pumping && inProgress < concurrency) {
pump();
}
});
} catch (err) {
result = exitDie(err);
length = index;
fibers.forEach(fiber => fiber.unsafeInterrupt());
}
}
pumping = false;
}
pump();
return suspend(() => {
interrupted = true;
index = length;
return fiberInterruptAll(fibers);
});
});
});
/**
* Effectfully filter the elements of the provided iterable.
*
* Use the `concurrency` option to control how many elements are processed
* concurrently.
*
* @since 3.4.0
* @experimental
* @category collecting & elements
*/
exports.forEach = forEach;
const filter = (iterable, f, options) => filterMap(iterable, a => map(f(a), pass => {
pass = options?.negate ? !pass : pass;
return pass ? Option.some(a) : Option.none();
}), options);
/**
* Effectfully filter the elements of the provided iterable.
*
* Use the `concurrency` option to control how many elements are processed
* concurrently.
*
* @since 3.4.0
* @experimental
* @category collecting & elements
*/
exports.filter = filter;
const filterMap = (iterable, f, options) => suspend(() => {
const out = [];
return as(forEach(iterable, a => map(f(a), o => {
if (o._tag === "Some") {
out.push(o.value);
}
}), {
discard: true,
concurrency: options?.concurrency
}), out);
});
// ----------------------------------------------------------------------------
// do notation
// ----------------------------------------------------------------------------
/**
* Start a do notation block.
*
* @since 3.4.0
* @experimental
* @category do notation
*/
exports.filterMap = filterMap;
const Do = exports.Do = /*#__PURE__*/succeed({});
/**
* Bind the success value of this `Micro` effect to the provided name.
*
* @since 3.4.0
* @experimental
* @category do notation
*/
const bindTo = exports.bindTo = /*#__PURE__*/doNotation.bindTo(map);
/**
* Bind the success value of this `Micro` effect to the provided name.
*
* @since 3.4.0
* @experimental
* @category do notation
*/
const bind = exports.bind = /*#__PURE__*/doNotation.bind(map, flatMap);
const let_ = exports.let = /*#__PURE__*/doNotation.let_(map);
// ----------------------------------------------------------------------------
// fibers & forking
// ----------------------------------------------------------------------------
/**
* Run the `Micro` effect in a new `MicroFiber` that can be awaited, joined, or
* aborted.
*
* When the parent `Micro` finishes, this `Micro` will be aborted.
*
* @since 3.4.0
* @experimental
* @category fiber & forking
*/
const fork = self => withMicroFiber(fiber => {
fiberMiddleware.interruptChildren ??= fiberInterruptChildren;
return succeed(unsafeFork(fiber, self));
});
exports.fork = fork;
const unsafeFork = (parent, effect, immediate = false, daemon = false) => {
const child = new MicroFiberImpl(parent.context, parent.interruptible);
if (!daemon) {
parent.children().add(child);
child.addObserver(() => parent.children().delete(child));
}
if (immediate) {
child.evaluate(effect);
} else {
parent.getRef(CurrentScheduler).scheduleTask(() => child.evaluate(effect), 0);
}
return child;
};
/**
* Run the `Micro` effect in a new `MicroFiber` that can be awaited, joined, or
* aborted.
*
* It will not be aborted when the parent `Micro` finishes.
*
* @since 3.4.0
* @experimental
* @category fiber & forking
*/
const forkDaemon = self => withMicroFiber(fiber => succeed(unsafeFork(fiber, self, false, true)));
/**
* Run the `Micro` effect in a new `MicroFiber` that can be awaited, joined, or
* aborted.
*
* The lifetime of the handle will be attached to the provided `MicroScope`.
*
* @since 3.4.0
* @experimental
* @category fiber & forking
*/
exports.forkDaemon = forkDaemon;
const forkIn = exports.forkIn = /*#__PURE__*/(0, _Function.dual)(2, (self, scope) => uninterruptibleMask(restore => flatMap(scope.fork, scope => tap(restore(forkDaemon(onExit(self, exit => scope.close(exit)))), fiber => scope.addFinalizer(_ => fiberInterrupt(fiber))))));
/**
* Run the `Micro` effect in a new `MicroFiber` that can be awaited, joined, or
* aborted.
*
* The lifetime of the handle will be attached to the current `MicroScope`.
*
* @since 3.4.0
* @experimental
* @category fiber & forking
*/
const forkScoped = self => flatMap(scope, scope => forkIn(self, scope));
// ----------------------------------------------------------------------------
// execution
// ----------------------------------------------------------------------------
/**
* Execute the `Micro` effect and return a `MicroFiber` that can be awaited, joined,
* or aborted.
*
* You can listen for the result by adding an observer using the handle's
* `addObserver` method.
*
* @example
* ```ts
* import * as Micro from "effect/Micro"
*
* const handle = Micro.succeed(42).pipe(
* Micro.delay(1000),
* Micro.runFork
* )
*
* handle.addObserver((exit) => {
* console.log(exit)
* })
* ```
*
* @since 3.4.0
* @experimental
* @category execution
*/
exports.forkScoped = forkScoped;
const runFork = (effect, options) => {
const fiber = new MicroFiberImpl(CurrentScheduler.context(options?.scheduler ?? new MicroSchedulerDefault()));
fiber.evaluate(effect);
if (options?.signal) {
if (options.signal.aborted) {
fiber.unsafeInterrupt();
} else {
const abort = () => fiber.unsafeInterrupt();
options.signal.addEventListener("abort", abort, {
once: true
});
fiber.addObserver(() => options.signal.removeEventListener("abort", abort));
}
}
return fiber;
};
/**
* Execute the `Micro` effect and return a `Promise` that resolves with the
* `MicroExit` of the computation.
*
* @since 3.4.6
* @experimental
* @category execution
*/
exports.runFork = runFork;
const runPromiseExit = (effect, options) => new Promise((resolve, _reject) => {
const handle = runFork(effect, options);
handle.addObserver(resolve);
});
/**
* Execute the `Micro` effect and return a `Promise` that resolves with the
* successful value of the computation.
*
* @since 3.4.0
* @experimental
* @category execution
*/
exports.runPromiseExit = runPromiseExit;
const runPromise = (effect, options) => runPromiseExit(effect, options).then(exit => {
if (exit._tag === "Failure") {
throw exit.cause;
}
return exit.value;
});
/**
* Attempt to execute the `Micro` effect synchronously and return the `MicroExit`.
*
* If any asynchronous effects are encountered, the function will return a
* `CauseDie` containing the `MicroFiber`.
*
* @since 3.4.6
* @experimental
* @category execution
*/
exports.runPromise = runPromise;
const runSyncExit = effect => {
const scheduler = new MicroSchedulerDefault();
const fiber = runFork(effect, {
scheduler
});
scheduler.flush();
return fiber._exit ?? exitDie(fiber);
};
/**
* Attempt to execute the `Micro` effect synchronously and return the success
* value.
*
* @since 3.4.0
* @experimental
* @category execution
*/
exports.runSyncExit = runSyncExit;
const runSync = effect => {
const exit = runSyncExit(effect);
if (exit._tag === "Failure") throw exit.cause;
return exit.value;
};
exports.runSync = runSync;
const YieldableError = /*#__PURE__*/function () {
class YieldableError extends globalThis.Error {}
// @effect-diagnostics-next-line floatingEffect:off
Object.assign(YieldableError.prototype, MicroProto, _effectable.StructuralPrototype, {
[identifier]: "Failure",
[evaluate]() {
return fail(this);
},
toString() {
return this.message ? `${this.name}: ${this.message}` : this.name;
},
toJSON() {
return {
...this
};
},
[_Inspectable.NodeInspectSymbol]() {
const stack = this.stack;
if (stack) {
return `${this.toString()}\n${stack.split("\n").slice(1).join("\n")}`;
}
return this.toString();
}
});
return YieldableError;
}();
/**
* @since 3.4.0
* @experimental
* @category errors
*/
const Error = exports.Error = /*#__PURE__*/function () {
return class extends YieldableError {
constructor(args) {
super();
if (args) {
Object.assign(this, args);
}
}
};
}();
/**
* @since 3.4.0
* @experimental
* @category errors
*/
const TaggedError = tag => {
class Base extends Error {
_tag = tag;
}
;
Base.prototype.name = tag;
return Base;
};
/**
* Represents a checked exception which occurs when an expected element was
* unable to be found.
*
* @since 3.4.4
* @experimental
* @category errors
*/
exports.TaggedError = TaggedError;
class NoSuchElementException extends /*#__PURE__*/TaggedError("NoSuchElementException") {}
/**
* Represents a checked exception which occurs when a timeout occurs.
*
* @since 3.4.4
* @experimental
* @category errors
*/
exports.NoSuchElementException = NoSuchElementException;
class TimeoutException extends /*#__PURE__*/TaggedError("TimeoutException") {}
exports.TimeoutException = TimeoutException;
//# sourceMappingURL=Micro.js.map