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examples: one runnable file per recipe on the 2.0 API, the 1.x files in examples/legacy

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Ten recipes: lamp, colour lamp, thermostat, blind, lock (deferred), contact
sensor (ChangeReport), scene, doorbell (raise), typed errors, and a plug as an
ES module. Each reads ALEX2MQTT_USERNAME, _PASSWORD and _ROOT_TOPIC and names
the ones that are missing. The nine examples of 1.5.2 move to examples/legacy
unchanged.

test/examples.test.js starts every file with node, its broker connection sent
to a broker on 127.0.0.1 (test/helpers/loopback.js), discovers the device,
sends directives and checks the answers. A legacy file is started and its
discovery compared with the answer the 1.5.2 build gave, recorded in
test/fixtures/legacy-examples.

Co-Authored-By: Claude Fable 5.1 <noreply@anthropic.com>
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David 2026-09-28 21:38:07 +00:00
parent 2cbcde563e
commit 8379a65d78
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// A plug, as an ES module: the same library with import. Alexa.PowerController.
//
// ALEX2MQTT_USERNAME=... ALEX2MQTT_PASSWORD=... ALEX2MQTT_ROOT_TOPIC=... node examples/plug.mjs
//
// "alex2node" is the installed package; inside this checkout it resolves to the built dist/.
import { Alex2MQTT, PowerController } from "alex2node";
const missing = ["ALEX2MQTT_USERNAME", "ALEX2MQTT_PASSWORD", "ALEX2MQTT_ROOT_TOPIC"].filter((name) => !process.env[name]);
if (missing.length > 0) {
console.error(`${missing.join(", ")} not set. Set the MQTT user name, the password and the root topic of your Alex2MQTT account.`);
process.exit(1);
}
const { ALEX2MQTT_USERNAME, ALEX2MQTT_PASSWORD, ALEX2MQTT_ROOT_TOPIC } = process.env;
const bridge = new Alex2MQTT(ALEX2MQTT_USERNAME, ALEX2MQTT_PASSWORD, ALEX2MQTT_ROOT_TOPIC);
bridge.on("connect", () => console.log("connected, discover the devices in the Alexa app"));
bridge.on("error", (err) => console.error("bridge:", err.message));
const plug = { on: false };
const device = bridge.addDevice({ endpointId: "coffee-plug", name: "Coffee Machine", categories: ["SMARTPLUG"] });
const power = device.add(PowerController);
device.state((s) => s.set(power, "powerState", plug.on ? "ON" : "OFF").health("OK"));
power.on("TurnOn", (ctx) => {
plug.on = true;
return ctx.respond();
});
power.on("TurnOff", (ctx) => {
plug.on = false;
return ctx.respond();
});
bridge.connect();