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This commit is contained in:
Julien Valverdé
2026-05-24 18:29:05 +02:00
parent afdaf53da3
commit b02ca29b76
1 changed files with 32 additions and 9 deletions
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packages/effect-lens/src/Lens.ts
+32 -9
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@@ -96,7 +96,7 @@ extends Pipeable.Class() implements Lens<A, ER, EW, RR, RW> {
)
for (const step of this.steps)
effect = step.access(effect as never) as Effect.Effect<LensFrame<unknown, unknown, unknown>, unknown, unknown>
effect = step.access(effect) as Effect.Effect<LensFrame<unknown, unknown, unknown>, unknown, unknown>
return effect as Effect.Effect<LensFrame<A, EW, RW>, ER, RR>
}
@@ -126,9 +126,24 @@ extends Pipeable.Class() implements Lens<A, ER, EW, RR, RW> {
}
export declare namespace LensLazyImpl {
export interface Source<
in out B,
in out EW = never,
in out ESW = never,
in out ESR = never,
in out RSR = never,
in out RW = never,
in out RSW = never,
> {
readonly sourceGet: Effect.Effect<B, ESR, RSR>
readonly sourceChanges: Stream.Stream<B, ESR, RSR>
readonly sourceCommit: (b: B) => Effect.Effect<void, ESW, RSW>
readonly withLock: <A1, E1, R1>(self: Effect.Effect<A1, E1, R1>) => Effect.Effect<A1, EW | E1, RW | R1>
}
}
export abstract class LensLazyImpl<
export class LensLazyImpl<
in out A,
in out B,
in out ER = never,
@@ -140,23 +155,31 @@ export abstract class LensLazyImpl<
in out RW = never,
in out RSW = never,
>
extends Pipeable.Class() implements Lens<A, ER, EW, RR, RW> {
extends LensImpl<A, B, ER, ESR, EW, ESW, RR, RSR, RW, RSW> {
constructor(
readonly source: LensLazyImpl.Source<B, EW, ESW, ESR, RSR, RW, RSW>
) {
super()
}
get sourceGet() { return this.source.sourceGet }
get sourceChanges() { return this.source.sourceChanges }
sourceCommit(b: B) { return this.source.sourceCommit(b) }
get withLock() { return this.source.withLock }
}
/**
* Creates a `Lens` by supplying how to read the current value, observe changes, and apply transformations.
*/
export const make = <A, ER, EW, RR, RW>(
source: LensImpl.Source<A, ER, EW, RR, RW>
): Lens<A, ER, EW, RR, RW> => new LensImpl(source)
// export const make = <A, ER, EW, RR, RW>(
// source: LensImpl.Source<A, ER, EW, RR, RW>
// ): Lens<A, ER, EW, RR, RW> => new LensImpl(source)
/**
* Creates a `Lens` by supplying how to read the current value, observe changes, and apply transformations.
*/
export const makeLazy = <A, ER, EW, RR, RW>(
source: LensImpl.Source<A, ER, EW, RR, RW>
source: LensLazyImpl.Source<A, ER, EW, RR, RW>
): Lens<A, ER, EW, RR, RW> => new LensLazyImpl(source)