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registry: describe an Alexa interface as data

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src/registry/ holds what the library knows about an interface: namespace, version, the page it was read from,
properties with their value schemas and directives with their payload schemas. Five interfaces are described
(Alexa, PowerController, BrightnessController, TemperatureSensor, EndpointHealth); the other 65 names of
AlexaInterfaceType are stubs with the version and property names of 1.5.2. schema.ts is the run-time check behind
it (241 lines, no new dependency), catalog.ts the vocabularies of the pages: 103 assets (23 units), 6 actions,
9 states, 56 display categories, 22 reserved words, 73 error types under 11 namespaces.

AlexaInterface.getVersion() and getProps() read the registry; the two switch statements are gone (-167 lines).
On the wire: Alexa.EndpointHealth is announced at 3.1 (was 3.3; the page is titled 3.1 and no page mentions 3.3),
and TimeHoldController and Camera.LiveViewController at 3 and 1.7 (1.5.2 sent the string "UNKNOWN").
DisplayCategory gains VACUUM. New exports: registry, DeclarationError, SchemaError, Assets, Units, Actions,
States, DisplayCategories and the descriptor types.

Tests: 20 JSON examples of the five pages under test/fixtures/alexa-docs; every directive payload and property
value in them parses with its descriptor. npm test: 57 pass (was 30) in 10.8 s, also on Node 18.20.8 and 20.20.2.

Co-Authored-By: Claude Fable 5.1 <noreply@anthropic.com>
This commit is contained in:
David 2026-09-28 15:18:22 +00:00
parent 128ca35c2a
commit aa0ffd64ea
93 changed files with 4058 additions and 490 deletions
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11
test/fixtures/interfaces.js vendored Normal file
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"use strict";
// One entry per interface that is described in full: the page its examples were saved from (test/helpers/fixtures.js).
// test/registry/descriptors.test.js holds every entry against those examples and fails for a descriptor of tier 1 or
// 2 that has no entry here.
module.exports = [
{ namespace: "Alexa", page: "alexa-interface" },
{ namespace: "Alexa.BrightnessController", page: "alexa-brightnesscontroller" },
{ namespace: "Alexa.EndpointHealth", page: "alexa-endpointhealth" },
{ namespace: "Alexa.PowerController", page: "alexa-powercontroller" },
{ namespace: "Alexa.TemperatureSensor", page: "alexa-temperaturesensor" },
];