webthing-node-2/examples/lamp.js at 3e8d6177307e4f9314a7e0bb9994a325f5887193 · WebThingsIO/webthing-node-2 · GitHub

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import Thing from '../src/thing.js';
import ThingServer from '../src/thing-server.js';

const partialTD = {
  title: 'My Lamp',
  description: 'A web connected lamp',
  properties: {
    on: {
      type: 'boolean',
      title: 'On/Off',
      description: 'Whether the lamp is turned on',
    },
    level: {
      type: 'integer',
      title: 'Brightness',
      description: 'The level of light from 0-100',
      unit: 'percent',
      minimum: 0,
      maximum: 100,
    },
  },
  actions: {
    fade: {
      title: 'Fade',
      description: 'Fade the lamp to a given level',
      synchronous: false,
      input: {
        type: 'object',
        properties: {
          level: {
            title: 'Brightness',
            type: 'integer',
            minimum: 0,
            maximum: 100,
            unit: 'percent',
          },
          duration: {
            title: 'Duration',
            type: 'integer',
            minimum: 0,
            unit: 'milliseconds',
          },
        },
      },
    },
  },
  events: {
    overheated: {
      title: 'Overheated',
      data: {
        type: 'number',
        unit: 'degree celsius',
      },
      description: 'The lamp has exceeded its safe operating temperature',
    },
  },
};

const thing = new Thing(partialTD);

thing.setPropertyReadHandler('on', async function () {
  return true;
});

thing.setPropertyReadHandler('level', async function () {
  return 50;
});

const server = new ThingServer(thing);

server.start(8080);