homebridge-homeconnect/dist/log-error.js

A Homebridge plugin that connects Home Connect appliances to Apple HomeKit

// Homebridge plugin for Home Connect home appliances
// Copyright © 2023-2025 Alexander Thoukydides
import { APIError } from './api-errors.js';
// Log an error
let lastLoggedError;
export function logError(log, when, err) {
    try {
        // Suppress duplicate reports
        if (lastLoggedError === err)
            return err;
        lastLoggedError = err;
        // Log the top-level error message
        const message = err instanceof Error ? `${err.name}: ${err.message}` : String(err);
        log.error(`[${when}] ${message}`);
        const prefix = ' '.repeat(when.length + 3);
        // Log the request details for API errors
        if (err instanceof APIError) {
            log.error(`${err.request.method} ${err.request.path}`);
        }
        // Log any history of causes or sub-errors
        logSubErrors(log, prefix, err);
        // Log any stack backtrace (for the top-level error only)
        if (err instanceof Error && err.stack)
            log.debug(err.stack);
    }
    catch { /* empty */ }
    return err;
}
// Log any sub-errors (causes or aggregates) of an error, formatted as a tree
function logSubErrors(log, prefix, err) {
    // Collect all aggregate or causal errors
    const subErrs = [];
    if (err instanceof APIError && err.errCause)
        subErrs.push(err.errCause);
    if (err instanceof Error && err.cause)
        subErrs.push(err.cause);
    if (err instanceof AggregateError && Array.isArray(err.errors))
        subErrs.push(...err.errors);
    // Log the collected errors formatted as a tree
    subErrs.forEach((subErr, index) => {
        const subPrefix = index < subErrs.length - 1 ? ['├─', '│ '] : ['└─', '  '];
        const message = subErr instanceof Error ? `${subErr.name}: ${subErr.message}` : String(subErr);
        log.error(`${prefix}${subPrefix[0]} ${message}`);
        logSubErrors(log, `${prefix}${subPrefix[1]} `, subErr);
    });
}
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