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"use strict";
Object.defineProperty(exports, "__esModule", {
value: true
});
exports.make = exports.fromRecord = exports.TypeId = exports.Service = void 0;
var Context = _interopRequireWildcard(require("./Context.js"));
var Effect = _interopRequireWildcard(require("./Effect.js"));
var FiberRefsPatch = _interopRequireWildcard(require("./FiberRefsPatch.js"));
var _Function = require("./Function.js");
var core = _interopRequireWildcard(require("./internal/core.js"));
var Layer = _interopRequireWildcard(require("./Layer.js"));
var RcMap = _interopRequireWildcard(require("./RcMap.js"));
var Runtime = _interopRequireWildcard(require("./Runtime.js"));
var Scope = _interopRequireWildcard(require("./Scope.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); }
/**
* @since 3.14.0
* @experimental
*/
/**
* @since 3.14.0
* @category Symbols
*/
const TypeId = exports.TypeId = /*#__PURE__*/Symbol.for("effect/LayerMap");
/**
* @since 3.14.0
* @category Constructors
* @experimental
*
* A `LayerMap` allows you to create a map of Layer's that can be used to
* dynamically access resources based on a key.
*
* ```ts
* import { NodeRuntime } from "@effect/platform-node"
* import { Context, Effect, FiberRef, Layer, LayerMap } from "effect"
*
* class Greeter extends Context.Tag("Greeter")<Greeter, {
* greet: Effect.Effect<string>
* }>() {}
*
* // create a service that wraps a LayerMap
* class GreeterMap extends LayerMap.Service<GreeterMap>()("GreeterMap", {
* // define the lookup function for the layer map
* //
* // The returned Layer will be used to provide the Greeter service for the
* // given name.
* lookup: (name: string) =>
* Layer.succeed(Greeter, {
* greet: Effect.succeed(`Hello, ${name}!`)
* }).pipe(
* Layer.merge(Layer.locallyScoped(FiberRef.currentConcurrency, 123))
* ),
*
* // If a layer is not used for a certain amount of time, it can be removed
* idleTimeToLive: "5 seconds",
*
* // Supply the dependencies for the layers in the LayerMap
* dependencies: []
* }) {}
*
* // usage
* const program: Effect.Effect<void, never, GreeterMap> = Effect.gen(function*() {
* // access and use the Greeter service
* const greeter = yield* Greeter
* yield* Effect.log(yield* greeter.greet)
* }).pipe(
* // use the GreeterMap service to provide a variant of the Greeter service
* Effect.provide(GreeterMap.get("John"))
* )
*
* // run the program
* program.pipe(
* Effect.provide(GreeterMap.Default),
* NodeRuntime.runMain
* )
* ```
*/
const make = exports.make = /*#__PURE__*/Effect.fnUntraced(function* (lookup, options) {
const context = yield* Effect.context();
// If we are inside another layer build, use the current memo map,
// otherwise create a new one.
const memoMap = context.unsafeMap.has(Layer.CurrentMemoMap.key) ? Context.get(context, Layer.CurrentMemoMap) : yield* Layer.makeMemoMap;
const rcMap = yield* RcMap.make({
lookup: key => Effect.scopeWith(scope => Effect.diffFiberRefs(Layer.buildWithMemoMap(lookup(key), memoMap, scope))).pipe(Effect.map(([patch, context]) => ({
layer: Layer.scopedContext(core.withFiberRuntime(fiber => {
const scope = Context.unsafeGet(fiber.currentContext, Scope.Scope);
const oldRefs = fiber.getFiberRefs();
const newRefs = FiberRefsPatch.patch(patch, fiber.id(), oldRefs);
const revert = FiberRefsPatch.diff(newRefs, oldRefs);
fiber.setFiberRefs(newRefs);
return Effect.as(Scope.addFinalizerExit(scope, () => {
fiber.setFiberRefs(FiberRefsPatch.patch(revert, fiber.id(), fiber.getFiberRefs()));
return Effect.void;
}), context);
})),
runtimeEffect: Effect.withFiberRuntime(fiber => {
const fiberRefs = FiberRefsPatch.patch(patch, fiber.id(), fiber.getFiberRefs());
return Effect.succeed(Runtime.make({
context,
fiberRefs,
runtimeFlags: Runtime.defaultRuntime.runtimeFlags
}));
})
}))),
idleTimeToLive: options?.idleTimeToLive
});
return (0, _Function.identity)({
[TypeId]: TypeId,
rcMap,
get: key => Layer.unwrapScoped(Effect.map(RcMap.get(rcMap, key), ({
layer
}) => layer)),
runtime: key => Effect.flatMap(RcMap.get(rcMap, key), ({
runtimeEffect
}) => runtimeEffect),
invalidate: key => RcMap.invalidate(rcMap, key)
});
});
/**
* @since 3.14.0
* @category Constructors
* @experimental
*/
const fromRecord = (layers, options) => make(key => layers[key], options);
/**
* @since 3.14.0
* @category Service
* @experimental
*
* Create a `LayerMap` service that provides a dynamic set of resources based on
* a key.
*
* ```ts
* import { NodeRuntime } from "@effect/platform-node"
* import { Context, Effect, FiberRef, Layer, LayerMap } from "effect"
*
* class Greeter extends Context.Tag("Greeter")<Greeter, {
* greet: Effect.Effect<string>
* }>() {}
*
* // create a service that wraps a LayerMap
* class GreeterMap extends LayerMap.Service<GreeterMap>()("GreeterMap", {
* // define the lookup function for the layer map
* //
* // The returned Layer will be used to provide the Greeter service for the
* // given name.
* lookup: (name: string) =>
* Layer.succeed(Greeter, {
* greet: Effect.succeed(`Hello, ${name}!`)
* }).pipe(
* Layer.merge(Layer.locallyScoped(FiberRef.currentConcurrency, 123))
* ),
*
* // If a layer is not used for a certain amount of time, it can be removed
* idleTimeToLive: "5 seconds",
*
* // Supply the dependencies for the layers in the LayerMap
* dependencies: []
* }) {}
*
* // usage
* const program: Effect.Effect<void, never, GreeterMap> = Effect.gen(function*() {
* // access and use the Greeter service
* const greeter = yield* Greeter
* yield* Effect.log(yield* greeter.greet)
* }).pipe(
* // use the GreeterMap service to provide a variant of the Greeter service
* Effect.provide(GreeterMap.get("John"))
* )
*
* // run the program
* program.pipe(
* Effect.provide(GreeterMap.Default),
* NodeRuntime.runMain
* )
* ```
*/
exports.fromRecord = fromRecord;
const Service = () => (id, options) => {
const Err = globalThis.Error;
const limit = Err.stackTraceLimit;
Err.stackTraceLimit = 2;
const creationError = new Err();
Err.stackTraceLimit = limit;
function TagClass() {}
const TagClass_ = TagClass;
Object.setPrototypeOf(TagClass, Object.getPrototypeOf(Context.GenericTag(id)));
TagClass.key = id;
Object.defineProperty(TagClass, "stack", {
get() {
return creationError.stack;
}
});
TagClass_.DefaultWithoutDependencies = Layer.scoped(TagClass_, "lookup" in options ? make(options.lookup, options) : fromRecord(options.layers, options));
TagClass_.Default = options.dependencies && options.dependencies.length > 0 ? Layer.provide(TagClass_.DefaultWithoutDependencies, options.dependencies) : TagClass_.DefaultWithoutDependencies;
TagClass_.get = key => Layer.unwrapScoped(Effect.map(TagClass_, layerMap => layerMap.get(key)));
TagClass_.runtime = key => Effect.flatMap(TagClass_, layerMap => layerMap.runtime(key));
TagClass_.invalidate = key => Effect.flatMap(TagClass_, layerMap => layerMap.invalidate(key));
return TagClass;
};
exports.Service = Service;
//# sourceMappingURL=LayerMap.js.map