ErrorHandler.js

const HttpError = require('core/errors/HttpError')
const SafeModeError = require('core/errors/SafeModeError')
const SentryReporter = require('./SentryReporter')

module.exports = async (ctx, next) => {
	let hasHandledError = false

	try {
		await next(ctx)
	} catch (e) {
		if (e instanceof SafeModeError) {
			console.error(e)
		} else {
			await SentryReporter.report(e, ctx)
		}
		hasHandledError = true

		if (e instanceof HttpError) {
			e.respondTo(ctx)
		} else {
			const message = e.message
			ctx.status = 500
			ctx.body = {
				errors: {
					general: [message],
				},
			}
		}
	}

	if (ctx.status >= 400 && !hasHandledError) {
		await SentryReporter.reportHttp(ctx)
	}
}