import { Injectable } from "@nestjs/common"; import { HealthIndicator, HealthIndicatorResult } from "@nestjs/terminus"; import { PrinterService } from "../printer/printer.service"; @Injectable() export class BrowserHealthIndicator extends HealthIndicator { constructor(private readonly printerService: PrinterService) { super(); } async isHealthy(): Promise { try { const version = await this.printerService.getVersion(); return this.getStatus("browser", true, { version }); } catch (error) { return this.getStatus("browser", false, { message: error.message }); } } }