rxpoweredup/src/features/rgb-light-feature/rgb-light-feature.js

A Typescript RxJS-based library for controlling LEGO Powered UP hubs & peripherals.

import { last, switchMap } from 'rxjs';
import { WELL_KNOWN_PORT_MODE_IDS } from '../../constants';
export class RgbLightFeature {
    messenger;
    ledCommandsFactory;
    portInputSetupMessageFactory;
    constructor(messenger, ledCommandsFactory, portInputSetupMessageFactory) {
        this.messenger = messenger;
        this.ledCommandsFactory = ledCommandsFactory;
        this.portInputSetupMessageFactory = portInputSetupMessageFactory;
    }
    setRgbColor(portId, color, modeId = WELL_KNOWN_PORT_MODE_IDS.rgbLightRgbColor) {
        const setPortModeMessage = this.portInputSetupMessageFactory.createMessage(portId, modeId, false);
        const message = this.ledCommandsFactory.createSetRgbColorCommand(portId, modeId, color);
        return this.messenger.sendWithoutResponse(setPortModeMessage).pipe(last(), switchMap(() => this.messenger.sendPortOutputCommand(message)));
    }
}