oneuptime/application-scanner/utils/errorService.js

const winston = require('winston');
const Slack = require('winston-slack-transport');

if (
    process.env.PORT &&
    process.env.SLACK_ERROR_LOG_WEBHOOK &&
    process.env.SLACK_ERROR_LOG_CHANNEL
) {
    winston.add(Slack, {
        webhook_url: process.env.SLACK_ERROR_LOG_WEBHOOK,
        channel: '#' + process.env.SLACK_ERROR_LOG_CHANNEL,
        username: 'Error Bot',
        handleExceptions: true,
    });
}

module.exports = {
    log: (functionName, error) => {
        error = error && error.message ? error.message : error;
        winston.error(
            JSON.stringify(
                {
                    error: String(error),
                    functionName: String(functionName),
                    stack: new Error().stack,
                },
                0,
                2
            )
        );
    },
};