The peer serves the target resource, but reports it not ready (ready: false).
Surfaced by Hyperlink.verifyConnection(node, { deep: true, resource }).
errorsHyperlink.verifyConnection
Source src/internal/nodeCore.ts:114111 lines
export class class ServiceNotReadyclass ServiceNotReady {
message: string;
name: string;
stack: string;
cause: unknown;
pipe: { <A>(this: A): A; <A, B = never>(this: A, ab: (_: A) => B): B; <A, B = never, C = never>(this: A, ab: (_: A) => B, bc: (_: B) => C): C; <A, B = never, C = never, D = never>(this: A, ab: (_: A) => B, bc: (_: B) => C, cd: (_: C) => D): D; <…;
toString: () => string;
toJSON: () => unknown;
_tag: Tag;
node: string;
url: string;
resource: string;
detail: string | undefined;
}
The peer serves the target resource, but reports it not ready (ready: false).
Surfaced by
Hyperlink.verifyConnection
(node, { deep: true, resource }).
ServiceNotReady extends import DataData.const TaggedError: <"ServiceNotReady">(tag: "ServiceNotReady") => new <A>(args: VoidIfEmpty<{ readonly [P in keyof A as P extends "_tag" ? never : P]: A[P]; }>) => YieldableError & {
readonly _tag: "ServiceNotReady";
} & Readonly<A>
Creates a tagged error class with a _tag discriminator.
When to use
Use when you need domain errors with discriminated-union handling.
Details
Like
Error
, but instances also carry a readonly _tag property,
enabling Effect.catchTag and Effect.catchTags for tag-based recovery.
The _tag is excluded from the constructor argument. Yielding an instance
inside Effect.gen fails the effect with this error.
Example (Recovering by tag)
import { Data, Effect } from "effect"
class NotFound extends Data.TaggedError("NotFound")<{
readonly resource: string
}> {}
class Forbidden extends Data.TaggedError("Forbidden")<{
readonly reason: string
}> {}
const program = Effect.gen(function*() {
return yield* new NotFound({ resource: "/users/42" })
})
const recovered = program.pipe(
Effect.catchTag("NotFound", (e) =>
Effect.succeed(`missing: ${e.resource}`))
)
TaggedError("ServiceNotReady")<{
readonly node: stringnode: string;
readonly url: stringurl: string;
readonly resource: stringresource: string;
readonly detail?: string | undefineddetail?: string;
}> {
override get ServiceNotReady.message: stringmessage() {
const const why: stringwhy = this.detail?: string | undefineddetail !== var undefinedundefined ? ` (${this.detail?: stringdetail})` : "";
return `Node "${this.node: stringnode}" serves "${this.resource: stringresource}" but it is not ready${const why: stringwhy}.`;
}
}
Referenced by 1 symbols