//#region src/middleware/trailing-slash/index.ts
/**
* Trailing Slash Middleware for Hono.
*
* @see {@link https://hono.dev/docs/middleware/builtin/trailing-slash}
*
* @param {TrimTrailingSlashOptions} options - The options for the middleware.
* @returns {MiddlewareHandler} The middleware handler function.
*
* @example
* ```ts
* const app = new Hono()
*
* app.use(trimTrailingSlash())
* app.get('/about/me/', (c) => c.text('With Trailing Slash'))
* ```
*
* @example
* ```ts
* // With alwaysRedirect option for wildcard routes
* const app = new Hono()
*
* app.use(trimTrailingSlash({ alwaysRedirect: true }))
* app.get('/my-path/*', (c) => c.text('Wildcard route'))
* ```
*/
const trimTrailingSlash = (options) => {
	return async function trimTrailingSlash(c, next) {
		if (options?.alwaysRedirect) {
			if ((c.req.method === "GET" || c.req.method === "HEAD") && c.req.path !== "/" && c.req.path.at(-1) === "/") {
				const url = new URL(c.req.url);
				url.pathname = url.pathname.substring(0, url.pathname.length - 1);
				return c.redirect(url.toString(), 301);
			}
		}
		await next();
		if (!options?.alwaysRedirect && c.res.status === 404 && (c.req.method === "GET" || c.req.method === "HEAD") && c.req.path !== "/" && c.req.path.at(-1) === "/") {
			const url = new URL(c.req.url);
			url.pathname = url.pathname.substring(0, url.pathname.length - 1);
			c.res = c.redirect(url.toString(), 301);
		}
	};
};
/**
* Append trailing slash middleware for Hono.
* Append a trailing slash to the URL if it doesn't have one. For example, `/path/to/page` will be redirected to `/path/to/page/`.
*
* @see {@link https://hono.dev/docs/middleware/builtin/trailing-slash}
*
* @param {AppendTrailingSlashOptions} options - The options for the middleware.
* @returns {MiddlewareHandler} The middleware handler function.
*
* @example
* ```ts
* const app = new Hono()
*
* app.use(appendTrailingSlash())
* ```
*
* @example
* ```ts
* // With alwaysRedirect option for wildcard routes
* const app = new Hono()
*
* app.use(appendTrailingSlash({ alwaysRedirect: true }))
* app.get('/my-path/*', (c) => c.text('Wildcard route'))
* ```
*/
const appendTrailingSlash = (options) => {
	return async function appendTrailingSlash(c, next) {
		if (options?.alwaysRedirect) {
			if ((c.req.method === "GET" || c.req.method === "HEAD") && c.req.path.at(-1) !== "/" && !options.skip?.(c.req.path)) {
				const url = new URL(c.req.url);
				url.pathname += "/";
				return c.redirect(url.toString(), 301);
			}
		}
		await next();
		if (!options?.alwaysRedirect && c.res.status === 404 && (c.req.method === "GET" || c.req.method === "HEAD") && c.req.path.at(-1) !== "/" && !options?.skip?.(c.req.path)) {
			const url = new URL(c.req.url);
			url.pathname += "/";
			c.res = c.redirect(url.toString(), 301);
		}
	};
};
//#endregion
export { appendTrailingSlash, trimTrailingSlash };
