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feat: add basic fluent extensions for non tsplus projects
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--- | ||
"@effect-app/prelude": patch | ||
--- | ||
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add basic fluent extensions for projects without tsplus |
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import type { NoInfer } from "effect/Types" | ||
import type * as Cause from "effect/Cause" | ||
import type * as Runtime from "effect/Runtime" | ||
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// Put the following in the project, where RT is the default runtime context available | ||
/* | ||
import type * as Runtime from "effect/Runtime" | ||
import type * as Fiber from "effect/Fiber" | ||
declare module "effect/Effect" { | ||
export interface Effect<R, E, A> { | ||
get runPromise(this: Effect<RT, E, A>): Promise<A> | ||
get runSync(this: Effect<RT, E, A>): A | ||
runFork<E, A>(this: Effect<RT, E, A>, options?: Runtime.RunForkOptions): Fiber.RuntimeFiber<E, A> | ||
} | ||
} | ||
*/ | ||
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declare module "effect/Option" { | ||
export interface None<out A> { | ||
get value(this: None<A>): A | undefined | ||
} | ||
} | ||
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declare module "effect/Effect" { | ||
export interface Effect<R, E, A> { | ||
andThen<A, R, E, X>( | ||
this: Effect<R, E, A>, | ||
f: (a: NoInfer<A>) => X, | ||
): [X] extends [Effect<infer R1, infer E1, infer A1>] | ||
? Effect<R | R1, E | E1, A1> | ||
: [X] extends [Promise<infer A1>] | ||
? Effect<R, Cause.UnknownException | E, A1> | ||
: Effect<R, E, X> | ||
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andThen<A, R, E, X>( | ||
this: Effect<R, E, A>, | ||
f: X, | ||
): [X] extends [Effect<infer R1, infer E1, infer A1>] | ||
? Effect<R | R1, E | E1, A1> | ||
: [X] extends [Promise<infer A1>] | ||
? Effect<R, Cause.UnknownException | E, A1> | ||
: Effect<R, E, X> | ||
tap<A, R, E, X>( | ||
this: Effect<R, E, A>, | ||
f: (a: NoInfer<A>) => X, | ||
): [X] extends [Effect<infer R1, infer E1, infer _A1>] | ||
? Effect<R | R1, E | E1, A> | ||
: [X] extends [Promise<infer _A1>] | ||
? Effect<R, Cause.UnknownException | E, A> | ||
: Effect<R, E, A> | ||
tap<A, R, E, X>( | ||
this: Effect<R, E, A>, | ||
f: X, | ||
): [X] extends [Effect<infer R1, infer E1, infer _A1>] | ||
? Effect<R | R1, E | E1, A> | ||
: [X] extends [Promise<infer _A1>] | ||
? Effect<R, Cause.UnknownException | E, A> | ||
: Effect<R, E, A> | ||
} | ||
} |
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import type {} from "./fluent-extensions-ext.js" | ||
import * as Effect from "effect/Effect" | ||
import * as RT from "effect/Runtime" | ||
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/** | ||
* useful in e.g frontend projects that do not use tsplus, but still has the most useful extensions installed. | ||
*/ | ||
export const installFluentExtensions = <R>(runtime: Runtime<R>) => { | ||
const runPromise = RT.runPromise(runtime) | ||
const runFork = RT.runFork(runtime) | ||
const runSync = RT.runSync(runtime) | ||
Object.defineProperty(Object.prototype, "runPromise", { | ||
enumerable: false, | ||
get() { | ||
return runPromise(this) | ||
} | ||
}) | ||
Object.defineProperty(Object.prototype, "runFork", { | ||
enumerable: false, | ||
value(arg: any) { | ||
return runFork(this, arg) | ||
} | ||
}) | ||
Object.defineProperty(Object.prototype, "runSync", { | ||
enumerable: false, | ||
get() { | ||
return runSync(this) | ||
} | ||
}) | ||
Object.defineProperty(Object.prototype, "andThen", { | ||
enumerable: false, | ||
value(arg: any) { | ||
return Effect.andThen(this, arg) | ||
} | ||
}) | ||
Object.defineProperty(Object.prototype, "tap", { | ||
enumerable: false, | ||
value(arg: any) { | ||
return Effect.tap(this, arg) | ||
} | ||
}) | ||
} |
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