my-links/app/core/exceptions/handler.ts

import { ExceptionHandler, HttpContext } from '@adonisjs/core/http';
import app from '@adonisjs/core/services/app';
import type {
	StatusPageRange,
	StatusPageRenderer,
} from '@adonisjs/core/types/http';
import { errors } from '@adonisjs/lucid';

export default class HttpExceptionHandler extends ExceptionHandler {
	/**
	 * In debug mode, the exception handler will display verbose errors
	 * with pretty printed stack traces.
	 */
	protected debug = !app.inProduction;

	/**
	 * Status pages are used to display a custom HTML pages for certain error
	 * codes. You might want to enable them in production only, but feel
	 * free to enable them in development as well.
	 */
	protected renderStatusPages = app.inProduction;

	/**
	 * Status pages is a collection of error code range and a callback
	 * to return the HTML contents to send as a response.
	 */
	protected statusPages: Record<StatusPageRange, StatusPageRenderer> = {
		'404': (error, { inertia }) =>
			inertia.render('errors/not_found', { error }),
		'500..599': (error, { inertia }) =>
			inertia.render('errors/server_error', { error }),
	};

	/**
	 * The method is used for handling errors and returning
	 * response to the client
	 */
	async handle(error: unknown, ctx: HttpContext) {
		if (ctx.request.url()?.startsWith('/api/v1')) {
			return ctx.response.status(400).json({
				message: 'Bad Request',
				errors: [error],
			});
		}

		if (error instanceof errors.E_ROW_NOT_FOUND) {
			return ctx.response.redirectToNamedRoute('dashboard');
		}
		return super.handle(error, ctx);
	}

	/**
	 * The method is used to report error to the logging service or
	 * the a third party error monitoring service.
	 *
	 * @note You should not attempt to send a response from this method.
	 */
	async report(error: unknown, ctx: HttpContext) {
		return super.report(error, ctx);
	}
}