{content}
\n * \n * \n * )\n * })\n * await next()\n * })\n * ```\n */\n setRenderer = (renderer) => {\n this.#renderer = renderer;\n };\n /**\n * `.header()` can set headers.\n *\n * @see {@link https://hono.dev/docs/api/context#header}\n *\n * @example\n * ```ts\n * app.get('/welcome', (c) => {\n * // Set headers\n * c.header('X-Message', 'Hello!')\n * c.header('Content-Type', 'text/plain')\n *\n * return c.body('Thank you for coming')\n * })\n * ```\n */\n header = (name, value, options) => {\n if (this.finalized) {\n this.#res = createResponseInstance(this.#res.body, this.#res);\n }\n const headers = this.#res ? this.#res.headers : this.#preparedHeaders ??= new Headers();\n if (value === void 0) {\n headers.delete(name);\n } else if (options?.append) {\n headers.append(name, value);\n } else {\n headers.set(name, value);\n }\n };\n status = (status) => {\n this.#status = status;\n };\n /**\n * `.set()` can set the value specified by the key.\n *\n * @see {@link https://hono.dev/docs/api/context#set-get}\n *\n * @example\n * ```ts\n * app.use('*', async (c, next) => {\n * c.set('message', 'Hono is hot!!')\n * await next()\n * })\n * ```\n */\n set = (key, value) => {\n this.#var ??= /* @__PURE__ */ new Map();\n this.#var.set(key, value);\n };\n /**\n * `.get()` can use the value specified by the key.\n *\n * @see {@link https://hono.dev/docs/api/context#set-get}\n *\n * @example\n * ```ts\n * app.get('/', (c) => {\n * const message = c.get('message')\n * return c.text(`The message is \"${message}\"`)\n * })\n * ```\n */\n get = (key) => {\n return this.#var ? this.#var.get(key) : void 0;\n };\n /**\n * `.var` can access the value of a variable.\n *\n * @see {@link https://hono.dev/docs/api/context#var}\n *\n * @example\n * ```ts\n * const result = c.var.client.oneMethod()\n * ```\n */\n // c.var.propName is a read-only\n get var() {\n if (!this.#var) {\n return {};\n }\n return Object.fromEntries(this.#var);\n }\n #newResponse(data, arg, headers) {\n const responseHeaders = this.#res ? new Headers(this.#res.headers) : this.#preparedHeaders ?? new Headers();\n if (typeof arg === \"object\" && \"headers\" in arg) {\n const argHeaders = arg.headers instanceof Headers ? arg.headers : new Headers(arg.headers);\n for (const [key, value] of argHeaders) {\n if (key.toLowerCase() === \"set-cookie\") {\n responseHeaders.append(key, value);\n } else {\n responseHeaders.set(key, value);\n }\n }\n }\n if (headers) {\n for (const [k, v] of Object.entries(headers)) {\n if (typeof v === \"string\") {\n responseHeaders.set(k, v);\n } else {\n responseHeaders.delete(k);\n for (const v2 of v) {\n responseHeaders.append(k, v2);\n }\n }\n }\n }\n const status = typeof arg === \"number\" ? arg : arg?.status ?? this.#status;\n return createResponseInstance(data, { status, headers: responseHeaders });\n }\n newResponse = (...args) => this.#newResponse(...args);\n /**\n * `.body()` can return the HTTP response.\n * You can set headers with `.header()` and set HTTP status code with `.status`.\n * This can also be set in `.text()`, `.json()` and so on.\n *\n * @see {@link https://hono.dev/docs/api/context#body}\n *\n * @example\n * ```ts\n * app.get('/welcome', (c) => {\n * // Set headers\n * c.header('X-Message', 'Hello!')\n * c.header('Content-Type', 'text/plain')\n * // Set HTTP status code\n * c.status(201)\n *\n * // Return the response body\n * return c.body('Thank you for coming')\n * })\n * ```\n */\n body = (data, arg, headers) => this.#newResponse(data, arg, headers);\n /**\n * `.text()` can render text as `Content-Type:text/plain`.\n *\n * @see {@link https://hono.dev/docs/api/context#text}\n *\n * @example\n * ```ts\n * app.get('/say', (c) => {\n * return c.text('Hello!')\n * })\n * ```\n */\n text = (text, arg, headers) => {\n return !this.#preparedHeaders && !this.#status && !arg && !headers && !this.finalized ? new Response(text) : this.#newResponse(\n text,\n arg,\n setDefaultContentType(TEXT_PLAIN, headers)\n );\n };\n /**\n * `.json()` can render JSON as `Content-Type:application/json`.\n *\n * @see {@link https://hono.dev/docs/api/context#json}\n *\n * @example\n * ```ts\n * app.get('/api', (c) => {\n * return c.json({ message: 'Hello!' })\n * })\n * ```\n */\n json = (object, arg, headers) => {\n return this.#newResponse(\n JSON.stringify(object),\n arg,\n setDefaultContentType(\"application/json\", headers)\n );\n };\n html = (html, arg, headers) => {\n const res = (html2) => this.#newResponse(html2, arg, setDefaultContentType(\"text/html; charset=UTF-8\", headers));\n return typeof html === \"object\" ? resolveCallback(html, HtmlEscapedCallbackPhase.Stringify, false, {}).then(res) : res(html);\n };\n /**\n * `.redirect()` can Redirect, default status code is 302.\n *\n * @see {@link https://hono.dev/docs/api/context#redirect}\n *\n * @example\n * ```ts\n * app.get('/redirect', (c) => {\n * return c.redirect('/')\n * })\n * app.get('/redirect-permanently', (c) => {\n * return c.redirect('/', 301)\n * })\n * ```\n */\n redirect = (location, status) => {\n const locationString = String(location);\n this.header(\n \"Location\",\n // Multibyes should be encoded\n // eslint-disable-next-line no-control-regex\n !/[^\\x00-\\xFF]/.test(locationString) ? locationString : encodeURI(locationString)\n );\n return this.newResponse(null, status ?? 302);\n };\n /**\n * `.notFound()` can return the Not Found Response.\n *\n * @see {@link https://hono.dev/docs/api/context#notfound}\n *\n * @example\n * ```ts\n * app.get('/notfound', (c) => {\n * return c.notFound()\n * })\n * ```\n */\n notFound = () => {\n this.#notFoundHandler ??= () => createResponseInstance();\n return this.#notFoundHandler(this);\n };\n};\nexport {\n Context,\n TEXT_PLAIN\n};\n", "// src/router.ts\nvar METHOD_NAME_ALL = \"ALL\";\nvar METHOD_NAME_ALL_LOWERCASE = \"all\";\nvar METHODS = [\"get\", \"post\", \"put\", \"delete\", \"options\", \"patch\"];\nvar MESSAGE_MATCHER_IS_ALREADY_BUILT = \"Can not add a route since the matcher is already built.\";\nvar UnsupportedPathError = class extends Error {\n};\nexport {\n MESSAGE_MATCHER_IS_ALREADY_BUILT,\n METHODS,\n METHOD_NAME_ALL,\n METHOD_NAME_ALL_LOWERCASE,\n UnsupportedPathError\n};\n", "// src/utils/constants.ts\nvar COMPOSED_HANDLER = \"__COMPOSED_HANDLER\";\nexport {\n COMPOSED_HANDLER\n};\n", "// src/hono-base.ts\nimport { compose } from \"./compose.js\";\nimport { Context } from \"./context.js\";\nimport { METHODS, METHOD_NAME_ALL, METHOD_NAME_ALL_LOWERCASE } from \"./router.js\";\nimport { COMPOSED_HANDLER } from \"./utils/constants.js\";\nimport { getPath, getPathNoStrict, mergePath } from \"./utils/url.js\";\nvar notFoundHandler = (c) => {\n return c.text(\"404 Not Found\", 404);\n};\nvar errorHandler = (err, c) => {\n if (\"getResponse\" in err) {\n const res = err.getResponse();\n return c.newResponse(res.body, res);\n }\n console.error(err);\n return c.text(\"Internal Server Error\", 500);\n};\nvar Hono = class _Hono {\n get;\n post;\n put;\n delete;\n options;\n patch;\n all;\n on;\n use;\n /*\n This class is like an abstract class and does not have a router.\n To use it, inherit the class and implement router in the constructor.\n */\n router;\n getPath;\n // Cannot use `#` because it requires visibility at JavaScript runtime.\n _basePath = \"/\";\n #path = \"/\";\n routes = [];\n constructor(options = {}) {\n const allMethods = [...METHODS, METHOD_NAME_ALL_LOWERCASE];\n allMethods.forEach((method) => {\n this[method] = (args1, ...args) => {\n if (typeof args1 === \"string\") {\n this.#path = args1;\n } else {\n this.#addRoute(method, this.#path, args1);\n }\n args.forEach((handler) => {\n this.#addRoute(method, this.#path, handler);\n });\n return this;\n };\n });\n this.on = (method, path, ...handlers) => {\n for (const p of [path].flat()) {\n this.#path = p;\n for (const m of [method].flat()) {\n handlers.map((handler) => {\n this.#addRoute(m.toUpperCase(), this.#path, handler);\n });\n }\n }\n return this;\n };\n this.use = (arg1, ...handlers) => {\n if (typeof arg1 === \"string\") {\n this.#path = arg1;\n } else {\n this.#path = \"*\";\n handlers.unshift(arg1);\n }\n handlers.forEach((handler) => {\n this.#addRoute(METHOD_NAME_ALL, this.#path, handler);\n });\n return this;\n };\n const { strict, ...optionsWithoutStrict } = options;\n Object.assign(this, optionsWithoutStrict);\n this.getPath = strict ?? true ? options.getPath ?? getPath : getPathNoStrict;\n }\n #clone() {\n const clone = new _Hono({\n router: this.router,\n getPath: this.getPath\n });\n clone.errorHandler = this.errorHandler;\n clone.#notFoundHandler = this.#notFoundHandler;\n clone.routes = this.routes;\n return clone;\n }\n #notFoundHandler = notFoundHandler;\n // Cannot use `#` because it requires visibility at JavaScript runtime.\n errorHandler = errorHandler;\n /**\n * `.route()` allows grouping other Hono instance in routes.\n *\n * @see {@link https://hono.dev/docs/api/routing#grouping}\n *\n * @param {string} path - base Path\n * @param {Hono} app - other Hono instance\n * @returns {Hono} routed Hono instance\n *\n * @example\n * ```ts\n * const app = new Hono()\n * const app2 = new Hono()\n *\n * app2.get(\"/user\", (c) => c.text(\"user\"))\n * app.route(\"/api\", app2) // GET /api/user\n * ```\n */\n route(path, app) {\n const subApp = this.basePath(path);\n app.routes.map((r) => {\n let handler;\n if (app.errorHandler === errorHandler) {\n handler = r.handler;\n } else {\n handler = async (c, next) => (await compose([], app.errorHandler)(c, () => r.handler(c, next))).res;\n handler[COMPOSED_HANDLER] = r.handler;\n }\n subApp.#addRoute(r.method, r.path, handler);\n });\n return this;\n }\n /**\n * `.basePath()` allows base paths to be specified.\n *\n * @see {@link https://hono.dev/docs/api/routing#base-path}\n *\n * @param {string} path - base Path\n * @returns {Hono} changed Hono instance\n *\n * @example\n * ```ts\n * const api = new Hono().basePath('/api')\n * ```\n */\n basePath(path) {\n const subApp = this.#clone();\n subApp._basePath = mergePath(this._basePath, path);\n return subApp;\n }\n /**\n * `.onError()` handles an error and returns a customized Response.\n *\n * @see {@link https://hono.dev/docs/api/hono#error-handling}\n *\n * @param {ErrorHandler} handler - request Handler for error\n * @returns {Hono} changed Hono instance\n *\n * @example\n * ```ts\n * app.onError((err, c) => {\n * console.error(`${err}`)\n * return c.text('Custom Error Message', 500)\n * })\n * ```\n */\n onError = (handler) => {\n this.errorHandler = handler;\n return this;\n };\n /**\n * `.notFound()` allows you to customize a Not Found Response.\n *\n * @see {@link https://hono.dev/docs/api/hono#not-found}\n *\n * @param {NotFoundHandler} handler - request handler for not-found\n * @returns {Hono} changed Hono instance\n *\n * @example\n * ```ts\n * app.notFound((c) => {\n * return c.text('Custom 404 Message', 404)\n * })\n * ```\n */\n notFound = (handler) => {\n this.#notFoundHandler = handler;\n return this;\n };\n /**\n * `.mount()` allows you to mount applications built with other frameworks into your Hono application.\n *\n * @see {@link https://hono.dev/docs/api/hono#mount}\n *\n * @param {string} path - base Path\n * @param {Function} applicationHandler - other Request Handler\n * @param {MountOptions} [options] - options of `.mount()`\n * @returns {Hono} mounted Hono instance\n *\n * @example\n * ```ts\n * import { Router as IttyRouter } from 'itty-router'\n * import { Hono } from 'hono'\n * // Create itty-router application\n * const ittyRouter = IttyRouter()\n * // GET /itty-router/hello\n * ittyRouter.get('/hello', () => new Response('Hello from itty-router'))\n *\n * const app = new Hono()\n * app.mount('/itty-router', ittyRouter.handle)\n * ```\n *\n * @example\n * ```ts\n * const app = new Hono()\n * // Send the request to another application without modification.\n * app.mount('/app', anotherApp, {\n * replaceRequest: (req) => req,\n * })\n * ```\n */\n mount(path, applicationHandler, options) {\n let replaceRequest;\n let optionHandler;\n if (options) {\n if (typeof options === \"function\") {\n optionHandler = options;\n } else {\n optionHandler = options.optionHandler;\n if (options.replaceRequest === false) {\n replaceRequest = (request) => request;\n } else {\n replaceRequest = options.replaceRequest;\n }\n }\n }\n const getOptions = optionHandler ? (c) => {\n const options2 = optionHandler(c);\n return Array.isArray(options2) ? options2 : [options2];\n } : (c) => {\n let executionContext = void 0;\n try {\n executionContext = c.executionCtx;\n } catch {\n }\n return [c.env, executionContext];\n };\n replaceRequest ||= (() => {\n const mergedPath = mergePath(this._basePath, path);\n const pathPrefixLength = mergedPath === \"/\" ? 0 : mergedPath.length;\n return (request) => {\n const url = new URL(request.url);\n url.pathname = url.pathname.slice(pathPrefixLength) || \"/\";\n return new Request(url, request);\n };\n })();\n const handler = async (c, next) => {\n const res = await applicationHandler(replaceRequest(c.req.raw), ...getOptions(c));\n if (res) {\n return res;\n }\n await next();\n };\n this.#addRoute(METHOD_NAME_ALL, mergePath(path, \"*\"), handler);\n return this;\n }\n #addRoute(method, path, handler) {\n method = method.toUpperCase();\n path = mergePath(this._basePath, path);\n const r = { basePath: this._basePath, path, method, handler };\n this.router.add(method, path, [handler, r]);\n this.routes.push(r);\n }\n #handleError(err, c) {\n if (err instanceof Error) {\n return this.errorHandler(err, c);\n }\n throw err;\n }\n #dispatch(request, executionCtx, env, method) {\n if (method === \"HEAD\") {\n return (async () => new Response(null, await this.#dispatch(request, executionCtx, env, \"GET\")))();\n }\n const path = this.getPath(request, { env });\n const matchResult = this.router.match(method, path);\n const c = new Context(request, {\n path,\n matchResult,\n env,\n executionCtx,\n notFoundHandler: this.#notFoundHandler\n });\n if (matchResult[0].length === 1) {\n let res;\n try {\n res = matchResult[0][0][0][0](c, async () => {\n c.res = await this.#notFoundHandler(c);\n });\n } catch (err) {\n return this.#handleError(err, c);\n }\n return res instanceof Promise ? res.then(\n (resolved) => resolved || (c.finalized ? c.res : this.#notFoundHandler(c))\n ).catch((err) => this.#handleError(err, c)) : res ?? this.#notFoundHandler(c);\n }\n const composed = compose(matchResult[0], this.errorHandler, this.#notFoundHandler);\n return (async () => {\n try {\n const context = await composed(c);\n if (!context.finalized) {\n throw new Error(\n \"Context is not finalized. Did you forget to return a Response object or `await next()`?\"\n );\n }\n return context.res;\n } catch (err) {\n return this.#handleError(err, c);\n }\n })();\n }\n /**\n * `.fetch()` will be entry point of your app.\n *\n * @see {@link https://hono.dev/docs/api/hono#fetch}\n *\n * @param {Request} request - request Object of request\n * @param {Env} Env - env Object\n * @param {ExecutionContext} - context of execution\n * @returns {Response | Promise