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/** * @since 2.0.0 */ import type { Effect } from "./Effect.js" import { dual } from "./Function.js" import * as core from "./internal/core.js" import { type Pipeable, pipeArguments } from "./Pipeable.js" import { hasProperty } from "./Predicate.js" import type { NoInfer } from "./Types.js" /** * @since 2.0.0 * @category type ids */ export const TypeId: unique symbol = Symbol.for("effect/Readable") /** * @since 2.0.0 * @category type ids */ export type TypeId = typeof TypeId /** * @since 2.0.0 * @category models */ export interface Readable<A, E = never, R = never> extends Pipeable { readonly [TypeId]: TypeId readonly get: Effect<A, E, R> } /** * @since 2.0.0 * @category refinements */ export const isReadable = (u: unknown): u is Readable<unknown, unknown, unknown> => hasProperty(u, TypeId) const Proto: Omit<Readable<any>, "get"> = { [TypeId]: TypeId, pipe() { return pipeArguments(this, arguments) } } /** * @since 2.0.0 * @category constructors */ export const make = <A, E, R>(get: Effect<A, E, R>): Readable<A, E, R> => { const self = Object.create(Proto) self.get = get return self } /** * @since 2.0.0 * @category combinators */ export const map: { /** * @since 2.0.0 * @category combinators */ <A, B>(f: (a: NoInfer<A>) => B): <E, R>(fa: Readable<A, E, R>) => Readable<B, E, R> /** * @since 2.0.0 * @category combinators */ <A, E, R, B>(self: Readable<A, E, R>, f: (a: NoInfer<A>) => B): Readable<B, E, R> } = dual( 2, <A, E, R, B>(self: Readable<A, E, R>, f: (a: NoInfer<A>) => B): Readable<B, E, R> => make(core.map(self.get, f)) ) /** * @since 2.0.0 * @category combinators */ export const mapEffect: { /** * @since 2.0.0 * @category combinators */ <A, B, E2, R2>(f: (a: NoInfer<A>) => Effect<B, E2, R2>): <E, R>(fa: Readable<A, E, R>) => Readable<B, E | E2, R | R2> /** * @since 2.0.0 * @category combinators */ <A, E, R, B, E2, R2>(self: Readable<A, E, R>, f: (a: NoInfer<A>) => Effect<B, E2, R2>): Readable<B, E | E2, R | R2> } = dual(2, <A, E, R, B, E2, R2>( self: Readable<A, E, R>, f: (a: NoInfer<A>) => Effect<B, E2, R2> ): Readable<B, E | E2, R | R2> => make(core.flatMap(self.get, f))) /** * @since 2.0.0 * @category constructors */ export const unwrap = <A, E, R, E1, R1>( effect: Effect<Readable<A, E, R>, E1, R1> ): Readable<A, E | E1, R | R1> => make( core.flatMap(effect, (s) => s.get) )