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dispatch: typed handlers, respond/defer/error, automatic ErrorResponse, watchdog

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src/dispatcher.ts routes a directive to capability.on(name | "*"), device.onDirective() or
device.onReportState(), with the payload checked by the descriptor of the interface. The
DirectiveContext answers with respond/report/defer/error; respond() and report() start from
device.state(). A handler or 1.x listener that throws or rejects is answered with INTERNAL_ERROR
(an AlexaError with itself) and reported through "error", never as an unhandled rejection.
Undeclared interface, unknown directive, AdjustMode on an unordered mode and a missing handler
get INVALID_DIRECTIVE, a bad payload INVALID_VALUE; a device with an "Event" or "ReportState"
listener keeps the answer to itself. Every answer passes the dispatcher: the first one per
correlationToken is published, a second is refused. No answer within answerWithinMs (6500,
0 = off, unref'd timer) sends INTERNAL_ERROR and emits "unanswered". A messageId that arrived
in the last 60 s is dropped. New: "unknownEndpoint", options answerUnknownEndpoints, publisher,
timers, and bridge.receive() to run a bridge without a broker. 168 tests pass (18 new).

Co-Authored-By: Claude Fable 5.1 <noreply@anthropic.com>
This commit is contained in:
David 2026-09-28 19:49:41 +00:00
parent e0fe9d2812
commit feff828ec1
40 changed files with 2149 additions and 136 deletions
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2
dist/esm/messages/build.d.ts vendored
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@ -60,6 +60,8 @@ export interface ChangeReportFields extends Envelope {
/** The other properties of the endpoint, as they are now. */
context?: readonly Property[];
}
/** The same property of the same instance, whatever its value. */
export declare const sameProperty: (a: Property, b: Property) => boolean;
/**
* A change of state nobody asked for. The header has no correlationToken (message-guide.html, "Header object").
* A property that changed is left out of the context: it is reported in one of the two (same page, "Context

3
dist/esm/messages/build.js vendored
View file

@ -66,7 +66,8 @@ export function errorResponse(fields) {
},
};
}
const sameProperty = (a, b) => a.namespace === b.namespace && a.name === b.name && (a.instance ?? "") === (b.instance ?? "");
/** The same property of the same instance, whatever its value. */
export const sameProperty = (a, b) => a.namespace === b.namespace && a.name === b.name && (a.instance ?? "") === (b.instance ?? "");
/**
* A change of state nobody asked for. The header has no correlationToken (message-guide.html, "Header object").
* A property that changed is left out of the context: it is reported in one of the two (same page, "Context