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backend/node_modules/effect/src/KeyedPool.ts

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+/**
+ * @since 2.0.0
+ */
+import type * as Duration from "./Duration.js"
+import type * as Effect from "./Effect.js"
+import * as internal from "./internal/keyedPool.js"
+import type { Pipeable } from "./Pipeable.js"
+import type * as Scope from "./Scope.js"
+import type * as Types from "./Types.js"
+
+/**
+ * @since 2.0.0
+ * @category symbols
+ */
+export const KeyedPoolTypeId: unique symbol = internal.KeyedPoolTypeId
+
+/**
+ * @since 2.0.0
+ * @category symbols
+ */
+export type KeyedPoolTypeId = typeof KeyedPoolTypeId
+
+/**
+ * A `KeyedPool<K, A, E>` is a pool of `Pool`s of items of type `A`. Each pool
+ * in the `KeyedPool` is associated with a key of type `K`.
+ *
+ * @since 2.0.0
+ * @category models
+ */
+export interface KeyedPool<in K, in out A, out E = never> extends KeyedPool.Variance<K, A, E>, Pipeable {
+  /**
+   * Retrieves an item from the pool belonging to the given key in a scoped
+   * effect. Note that if acquisition fails, then the returned effect will fail
+   * for that same reason. Retrying a failed acquisition attempt will repeat the
+   * acquisition attempt.
+   */
+  get(key: K): Effect.Effect<A, E, Scope.Scope>
+
+  /**
+   * Invalidates the specified item. This will cause the pool to eventually
+   * reallocate the item, although this reallocation may occur lazily rather
+   * than eagerly.
+   */
+  invalidate(item: A): Effect.Effect<void>
+}
+
+/**
+ * @since 2.0.0
+ */
+export declare namespace KeyedPool {
+  /**
+   * @since 2.0.0
+   * @category models
+   */
+  export interface Variance<in K, in out A, out E> {
+    readonly [KeyedPoolTypeId]: {
+      readonly _K: Types.Contravariant<K>
+      readonly _A: Types.Invariant<A>
+      readonly _E: Types.Covariant<E>
+    }
+  }
+}
+
+/**
+ * Makes a new pool of the specified fixed size. The pool is returned in a
+ * `Scope`, which governs the lifetime of the pool. When the pool is shutdown
+ * because the `Scope` is closed, the individual items allocated by the pool
+ * will be released in some unspecified order.
+ *
+ * @since 2.0.0
+ * @category constructors
+ */
+export const make: <K, A, E, R>(
+  options: {
+    readonly acquire: (key: K) => Effect.Effect<A, E, R>
+    readonly size: number
+  }
+) => Effect.Effect<KeyedPool<K, A, E>, never, Scope.Scope | R> = internal.make
+
+/**
+ * Makes a new pool of the specified fixed size. The pool is returned in a
+ * `Scope`, which governs the lifetime of the pool. When the pool is shutdown
+ * because the `Scope` is closed, the individual items allocated by the pool
+ * will be released in some unspecified order.
+ *
+ * The size of the underlying pools can be configured per key.
+ *
+ * @since 2.0.0
+ * @category constructors
+ */
+export const makeWith: <K, A, E, R>(
+  options: {
+    readonly acquire: (key: K) => Effect.Effect<A, E, R>
+    readonly size: (key: K) => number
+  }
+) => Effect.Effect<KeyedPool<K, A, E>, never, Scope.Scope | R> = internal.makeWith
+
+/**
+ * Makes a new pool with the specified minimum and maximum sizes and time to
+ * live before a pool whose excess items are not being used will be shrunk
+ * down to the minimum size. The pool is returned in a `Scope`, which governs
+ * the lifetime of the pool. When the pool is shutdown because the `Scope` is
+ * used, the individual items allocated by the pool will be released in some
+ * unspecified order.
+ *
+ * The size of the underlying pools can be configured per key.
+ *
+ * @since 2.0.0
+ * @category constructors
+ */
+export const makeWithTTL: <K, A, E, R>(
+  options: {
+    readonly acquire: (key: K) => Effect.Effect<A, E, R>
+    readonly min: (key: K) => number
+    readonly max: (key: K) => number
+    readonly timeToLive: Duration.DurationInput
+  }
+) => Effect.Effect<KeyedPool<K, A, E>, never, Scope.Scope | R> = internal.makeWithTTL
+
+/**
+ * Makes a new pool with the specified minimum and maximum sizes and time to
+ * live before a pool whose excess items are not being used will be shrunk
+ * down to the minimum size. The pool is returned in a `Scope`, which governs
+ * the lifetime of the pool. When the pool is shutdown because the `Scope` is
+ * used, the individual items allocated by the pool will be released in some
+ * unspecified order.
+ *
+ * The size of the underlying pools can be configured per key.
+ *
+ * @since 2.0.0
+ * @category constructors
+ */
+export const makeWithTTLBy: <K, A, E, R>(
+  options: {
+    readonly acquire: (key: K) => Effect.Effect<A, E, R>
+    readonly min: (key: K) => number
+    readonly max: (key: K) => number
+    readonly timeToLive: (key: K) => Duration.DurationInput
+  }
+) => Effect.Effect<KeyedPool<K, A, E>, never, Scope.Scope | R> = internal.makeWithTTLBy
+
+/**
+ * Retrieves an item from the pool belonging to the given key in a scoped
+ * effect. Note that if acquisition fails, then the returned effect will fail
+ * for that same reason. Retrying a failed acquisition attempt will repeat the
+ * acquisition attempt.
+ *
+ * @since 2.0.0
+ * @category combinators
+ */
+export const get: {
+  /**
+   * Retrieves an item from the pool belonging to the given key in a scoped
+   * effect. Note that if acquisition fails, then the returned effect will fail
+   * for that same reason. Retrying a failed acquisition attempt will repeat the
+   * acquisition attempt.
+   *
+   * @since 2.0.0
+   * @category combinators
+   */
+  <K>(key: K): <A, E>(self: KeyedPool<K, A, E>) => Effect.Effect<A, E, Scope.Scope>
+  /**
+   * Retrieves an item from the pool belonging to the given key in a scoped
+   * effect. Note that if acquisition fails, then the returned effect will fail
+   * for that same reason. Retrying a failed acquisition attempt will repeat the
+   * acquisition attempt.
+   *
+   * @since 2.0.0
+   * @category combinators
+   */
+  <K, A, E>(self: KeyedPool<K, A, E>, key: K): Effect.Effect<A, E, Scope.Scope>
+} = internal.get
+
+/**
+ * Invalidates the specified item. This will cause the pool to eventually
+ * reallocate the item, although this reallocation may occur lazily rather
+ * than eagerly.
+ *
+ * @since 2.0.0
+ * @category combinators
+ */
+export const invalidate: {
+  /**
+   * Invalidates the specified item. This will cause the pool to eventually
+   * reallocate the item, although this reallocation may occur lazily rather
+   * than eagerly.
+   *
+   * @since 2.0.0
+   * @category combinators
+   */
+  <A>(item: A): <K, E>(self: KeyedPool<K, A, E>) => Effect.Effect<void>
+  /**
+   * Invalidates the specified item. This will cause the pool to eventually
+   * reallocate the item, although this reallocation may occur lazily rather
+   * than eagerly.
+   *
+   * @since 2.0.0
+   * @category combinators
+   */
+  <K, A, E>(self: KeyedPool<K, A, E>, item: A): Effect.Effect<void>
+} = internal.invalidate