/** * List of valid HTTP methods that can be implemented by Next.js's Custom App * Routes. */ export const HTTP_METHODS = [ 'GET', 'HEAD', 'OPTIONS', 'POST', 'PUT', 'DELETE', 'PATCH', ] as const /** * A type representing the valid HTTP methods that can be implemented by * Next.js's Custom App Routes. */ export type HTTP_METHOD = (typeof HTTP_METHODS)[number] /** * Checks to see if the passed string is an HTTP method. Note that this is case * sensitive. * * @param maybeMethod the string that may be an HTTP method * @returns true if the string is an HTTP method */ export function isHTTPMethod(maybeMethod: string): maybeMethod is HTTP_METHOD { return HTTP_METHODS.includes(maybeMethod as HTTP_METHOD) }