@logitech-mx-creative-console/webhid/dist/hid-device.js

An npm module for interfacing with the Logitech MX Creative Console in the browser

import { EventEmitter } from 'eventemitter3';
import Queue from 'p-queue';
/**
 * The wrapped browser HIDDevice.
 * This translates it into the common format expected by @logitech-mx-creative-console/core
 */
export class WebHIDDevice extends EventEmitter {
    device;
    reportQueue = new Queue({ concurrency: 1 });
    constructor(device) {
        super();
        this.device = device;
        // this.device.on('data', data => this.emit('data', data))
        // this.device.on('error', error => this.emit('error', error))
        this.device.addEventListener('inputreport', (event) => {
            const data = new Uint8Array(event.data.buffer, event.data.byteOffset, event.data.byteLength);
            this.emit('input', event.reportId, data);
        });
    }
    async close() {
        return this.device.close();
    }
    async forget() {
        return this.device.forget();
    }
    async sendFeatureReport(data) {
        return this.device.sendFeatureReport(data[0], data.subarray(1));
    }
    async getFeatureReport(reportId, _reportLength) {
        const view = await this.device.receiveFeatureReport(reportId);
        return new Uint8Array(view.buffer, view.byteOffset, view.byteLength);
    }
    async sendReports(buffers) {
        return this.reportQueue.add(async () => {
            for (const data of buffers) {
                await this.device.sendReport(data[0], data.subarray(1));
            }
        });
    }
    async getDeviceInfo() {
        return {
            path: undefined,
            productId: this.device.productId,
            vendorId: this.device.vendorId,
            serialNumber: undefined, // TODO - not supported?
        };
    }
}
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