create-hokage-js-app/templates/normalcss/ts-template/api/src/utils/AppError.ts

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export class AppError extends Error {
	public statusCode: number;
	public isOperational: boolean;

	constructor(message: string, statusCode = 500, isOperational = true) {
		super(message);

		this.statusCode = statusCode;
		this.isOperational = isOperational;

		// Maintains proper stack trace for where our error was thrown (only available on V8)
		Error.captureStackTrace(this, this.constructor);
	}
}