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