/**
 * Template string function that takes in HTML and interpolates it with the provided values.
 * The values can be any type, but all values except render fragments or arrays of render fragments will be sanitized.
 *
 * @example
 * ```js
 * const greeting = html`<h1>Hello, ${name}!</h1>`
 * ```
 *
 * @param {string|TemplateStringsArray} strs The string(s) to interpolate
 * @param {any[]} vals The values to interpolate
 * @returns {RenderFragments} The resulting render fragments
 */
export function html(strs: string | TemplateStringsArray, ...vals: any[]): RenderFragments;
/**
 * Generates a plain text render fragment from a raw string.
 * The string's escape sequences will not be processed.
 *
 * @example
 * ```js
 * const greeting = text`Hello, ${name}!`
 * ```
 *
 * @param {string|TemplateStringsArray} strs The string(s) to interpolate
 * @param {any[]} vals The values to interpolate
 * @returns {RenderFragments} The resulting plain text render fragment
 */
export function text(strs: string | TemplateStringsArray, ...vals: any[]): RenderFragments;
/**
 * Renders the provided render fragments to HTML.
 * @param {RenderFragments} fragments The render fragments to render
 * @returns {string} The rendered HTML
 */
export function renderToHtml(fragments: RenderFragments): string;
/**
 * Copies a directory recursively.
 * @param {string} source The source directory
 * @param {string} target The target directory
 * @returns {Promise<void>}
 */
export function copyRecursive(source: string, target: string): Promise<void>;
/**
 * Sanitizes the provided HTML by escaping HTML entities
 * @param {string} html The HTML to sanitize
 * @returns {string} The sanitized HTML
 * @since 1.0.0
 */
export function sanitizeHtml(html: string): string;
/**
 * The name of the environment variable that specifies the root path.
 * @type {string}
 */
export const ROOT_PATH_ENV_VAR: string;
/**
 * The name of the environment variable that specifies the output path.
 * @type {string}
 */
export const OUTPUT_PATH_ENV_VAR: string;
/**
 * The name of the environment variable that specifies the path to use for the not found page.
 * @type {string}
 */
export const NOT_FOUND_PATH_ENV_VAR: string;
/**
 * The name of the environment variable that specifies the development server port.
 * @type {string}
 */
export const DEV_PORT_ENV_VAR: string;
/**
 * The name of the environment variable that specifies the development server host.
 * @type {string}
 */
export const DEV_HOST_ENV_VAR: string;
/**
 * The name of the environment variable that specifies whether hot reloading is enabled in development mode.
 * @type {string}
 */
export const DEV_NO_HOT_RELOAD_ENV_VAR: string;
/**
 * The name of the environment variable that specifies whether hot reloading is enabled in development mode.
 * @type {string}
 */
export const DEV_NO_INJECT_ENV_VAR: string;
/**
 * The main class for the Wunphile library.
 *
 * @example
 * ```js
 * import { Wunphile } from 'wunphile'
 * import { IndexPage } from './components/Greeting.js'
 *
 * const ssg = new Wunphile(import.meta.url)
 *
 * ssg.page('/index.html', IndexPage)
 *
 * await ssg.cli()
 * ```
 */
export class Wunphile {
    /**
     * Creates a new Wunphile instance.
     *
     * @example
     * ```js
     * import { Wunphile } from 'wunphile'
     * import { IndexPage } from './components/Greeting.js'
     *
     * const ssg = new Wunphile(import.meta.url)
     *
     * ssg.page('/index.html', IndexPage)
     *
     * await ssg.cli()
     * ```
     *
     * @param {string} importMetaUrl The `import.meta.url` of the program main module.
     * @param {string} [clientDir='./src/client'] The path to the client directory. Client behaviors must be within this directory.
     *
     * Used to resolve the root path and for identifying the main module for hot reloading.
     */
    constructor(importMetaUrl: string, clientDir?: string | undefined);
    /**
     * The path of the output directory to write the generated site to.
     * This is normally specified by the `SSG_OUTPUT_PATH` environment variable, or defaults to `dist` in the process's current working directory if not specified.
     * @returns {string}
     */
    get outputPath(): string;
    /**
     * Preloads a behavior module.
     * The loading is done asynchronously, similarly to using an HTML `<link rel="modulepreload">` tag.
     * Calling this function will cause a behavior module to be included in the generated site, regardless of whether it is used in any pages.
     *
     * @example
     * ```js
     * ssg.preloadBehaviorModule(import('./client/behavior/Greeting.js'))
     * ```
     * @param {Promise<{ default: BehaviorModule }>} promise The promise from the `import()` call for the behavior module
     */
    preloadBehaviorModule(promise: Promise<{
        default: BehaviorModule;
    }>): void;
    /**
     * Overrides the root path.
     * The root path is normally specified by the `SSG_ROOT_PATH` environment variable, or defaults to the directory of the program main module if not specified.
     * @param {string} path The root path
     * @returns {Wunphile} This
     */
    overrideRootPath(path: string): Wunphile;
    /**
     * Overrides the output path.
     * The output path is normally specified by the `SSG_OUTPUT_PATH` environment variable, or defaults to `dist` relative to the root path if not specified.
     * @param {string} path The output path
     * @returns {Wunphile} This
     */
    overrideOutputPath(path: string): Wunphile;
    /**
     * Overrides the not found path.
     * The not found path is normally specified by the `SSG_NOT_FOUND_PATH` environment variable, or defaults to `/404.html` if not specified.
     * @param {string} path The not found path
     * @returns {Wunphile} This
     */
    overrideNotFoundPath(path: string): Wunphile;
    /**
     * Registers a component to a page path.
     * @param {string} path The page's path
     * @param {Component<void, void>} component The page's component
     */
    page(path: string, component: Component<void, void>): void;
    /**
     * Registers raw content to a page path.
     * @param {string} path The page's path
     * @param {string} content The page's content
     */
    pageRaw(path: string, content: string): void;
    /**
     * Registers a redirect from one path to another.
     * The redirect is done with an HTML file using a meta refresh tag and fallback JavaScript.
     * @param {string} path The path to redirect from
     * @param {string} url The URL/path to redirect to
     */
    redirect(path: string, url: string): void;
    /**
     * Registers a component to be used as the not found page.
     * The not found page is configured via the `SSG_NOT_FOUND_PATH` environment variable, and defaults to `/404.html`.
     * @param {Component<void, void>} component The component to use for the not found page
     */
    notFoundPage(component: Component<void, void>): void;
    /**
     * Registers a static directory to a path.
     * For example, if you have a directory named `site-assets` in your project and you want to serve it at the path `/assets` in the generated site,
     * you would call this method with `staticDir('/assets', './site-assets')`.
     *
     * @param {string} path The path to the static directory
     * @param {string} dir The directory to copy
     */
    staticDir(path: string, dir: string): void;
    /**
     * Registers a static file to a path.
     * For example, if you have a file named `site-icon.ico` in your project and you want to serve it at the path `/favicon.ico` in the generated site,
     * you would call this method with `staticFile('/favicon.ico', './site-icon.ico')`.
     *
     * @param {string} path The path to the static file
     * @param {string} file The file to copy
     */
    staticFile(path: string, file: string): void;
    /**
     * Returns the resolved path of the specified path relative to the project root path.
     * @param {string} path The path to resolve
     * @returns {string} The resolved project path
     */
    toProjectPath(path: string): string;
    /**
     * Returns the resolved path of the specified path relative to the output path.
     * @param {string} path The path to resolve
     * @returns {string} The resolved output path
     */
    toOutputPath(path: string): string;
    /**
     * Builds the site only.
     * This method will clear the output directory before building.
     *
     * The order in which paths are processed is as follows:
     *  1. Static directories
     *  2. Static files
     *  3. Pages
     *
     * If a path is specified multiple times, the last one will ultimately be used.
     *
     * Instead of calling this method directly, you can also call the {@link Wunphile#cli} method, which will determine whether
     * to build or watch the site depending on the environment and arguments, acting as a CLI.
     *
     * @returns {Promise<void>}
     */
    build(): Promise<void>;
    /**
     * Serves the site on a local HTTP server.
     *
     * The site will be served without being built or touching the file system.
     *
     * This is not meant for production, only for local development.
     * Production sites should be built ahead of time, and their output should be
     * served on a web server such as Nginx or Caddy.
     *
     * The order in which paths are resolved is as follows:
     *  1. Pages
     *  2. Static files
     *  3. Static directories
     *
     * If a path is specified multiple times, the first one will ultimately be used.
     * This is the reverse of the order in which paths are processed when building the site,
     * which serves to mimic how the built version would be served statically.
     *
     * Instead of calling this method directly, you can also call the {@link Wunphile#cli} method, which will determine whether
     * to build or watch the site depending on the environment and arguments, acting as a CLI.
     *
     * @param {number} port The port to listen on
     * @param {string} [host='127.0.0.1'] The host to listen on (optional, defaults to `127.0.0.1`)
     * @param {EventEmitter<{ reload: [] }>|null} [hotReloadEventEmitter=null] The event emitter to emit hot reload events on (optional, defaults to `null`).
     * If null, no hot reload code will be injected into pages.
     * To trigger a hot reload, emit the `reload` event on the event emitter.
     * @returns {Promise<void>}
     */
    serve(port: number, host?: string | undefined, hotReloadEventEmitter?: EventEmitter<{
        reload: [];
    }> | null | undefined): Promise<void>;
    /**
     * Runs the site generator CLI.
     * The CLI can build the site or serve it on a local HTTP server for development.
     *
     * Call this only after all pages and static files have been registered.
     * It should be at the end of your main module.
     *
     * @example
     * ```js
     * import { Wunphile } from 'wunphile'
     *
     * const ssg = new Wunphile(import.meta.url)
     *
     * // Register pages and static files.
     * // ...
     *
     * await ssg.cli()
     * ```
     *
     * @returns {Promise<void>}
     */
    cli(): Promise<void>;
    #private;
}
/**
 * A render fragment is a string that can be rendered to HTML.
 * How it will be rendered depends on the fragment type.
 */
export class RenderFragment {
    /**
     * Creates render fragments from the provided value.
     *
     * If the value is a render fragment, an array with it as the only element will be returned.
     * If the value is an array, each fragment will be processed with this function and returned in an array.
     * If the value is anything else, it will be turned into a string with the {@link String} function and returned as a text fragment.
     *
     * @param {any} val The value to convert
     * @returns {RenderFragments} The resulting render fragments
     */
    static from(val: any): RenderFragments;
    /**
     * Instantiates a new RenderFragment with the specified type and value.
     * @param {RenderFragmentType} type The fragment type
     * @param {string} value The fragment value
     * @param {Promise<any> | null} behaviorModulePromise The attached behavior module promise (defaults to null)
     */
    constructor(type: RenderFragmentType, value: string, behaviorModulePromise?: Promise<any> | null);
    /**
     * The fragment type.
     * @type {RenderFragmentType}
     * @readonly
     */
    readonly type: RenderFragmentType;
    /**
     * The fragment's value.
     * How it will be rendered depends on the fragment type.
     * @type {string}
     * @readonly
     */
    readonly value: string;
    /**
     * The attached behavior module promise.
     * This is null if the fragment is not a behavior module import.
     * @type {Promise<any> | null}
     * @readonly
     */
    readonly behaviorModulePromise: Promise<any> | null;
    /**
     * Renders the fragment to HTML.
     * @returns {string}
     */
    toHtml(): string;
}
/**
 * Component that renders the behavior module loader.
 * This is required for any pages' behavior modules to be loaded on the browser.
 * You can use this component at the end of your page's body.
 *
 * @type {Component<void, void>}
 */
export const BehaviorLoader: Component<void, void>;
/**
 * @typedef BehaviorModuleProps
 * The props type for a behavior module.
 *
 * @property {Promise<{ default: BehaviorModule }>} module The promise from the `import()` call for the behavior module. For example, `import('./client/behavior/Greeting.js')`.
 */
/**
 * Wraps a component in a behavior.
 * The first element in the children will be the element passed to the behavior.
 *
 * You must use {@link BehaviorLoader} at the end of your page's body, otherwise the behavior module will never be loaded on the browser.
 * @param {BehaviorModuleProps} props The component's props
 * @param {RenderFragments} children The component's children (should contain a single parent element)
 * @returns {RenderFragments} The rendered behavior module
 *
 * @type {Component<BehaviorModuleProps, RenderFragments>}
 */
export const BehaviorComponent: Component<BehaviorModuleProps, RenderFragments>;
/**
 * An array of render fragments.
 */
export type RenderFragments = RenderFragment[];
/**
 * A component is a function that returns render fragments.
 * It can take in props and optionally children.
 */
export type Component<TProps, TChildren> = (props: TProps, children: TChildren) => RenderFragments;
/**
 * A behavior is a function that will run on the browser.
 * Its first argument is the containing element of the component the behavior is attached to.
 */
export type Behavior = (element: HTMLElement) => void;
/**
 * A behavior module is a module that will run on the browser.
 * It can be used in tandem with components to add interactivity.
 * For example, an image component could be augmented with a behavior that allows it to be enlarged.
 *
 * Behavior modules can also include common functions that other modules can use.
 *
 * The benefit of using behavior modules is that your JavaScript engine's TypeScript support can be used to automatically convert behaviors to plain JS for the browser.
 *
 * Important: top-level code (other than imports), as well as extra properties on the module, will not be included in the browser bundle.
 * If you need a stateful module, write a plain JS module and import it. You must not use TypeScript for such modules, as the builder will not be able to convert them to plain JS.
 *
 * All imports must be relative within the client directory.
 * Additionally, all imports to behavior modules must be top-level, otherwise the builder will not be able to resolve and convert them.
 * Do not write any import statements after your export statement! The builder is not smart enough to find them.
 *
 * EXTREMELY IMPORTANT: Do not import any modules with side effects.
 * Modules are actually imported in the Node.js environment, so modules with side effects can wreck the build by modifying global state or calling browser APIs.
 * So long as modules don't have side effects, you can safely import them. Libraries such as jQuery do not have side effects, so you can safely import them.
 */
export type BehaviorModule = {
    /**
     * The behavior module's URL. Use `import.meta.url` for this value. Do not access this property; its runtime value is undefined behavior.
     */
    behaviorModuleUrl: string;
    /**
     * The behavior to run on the browser. Can be omitted if this module only provides functions for other modules to use.
     */
    behavior?: Behavior | undefined;
    /**
     * A map of functions to export. Can be omitted if this module only provides a behavior.
     */
    functions?: Record<string, Function> | undefined;
};
/**
 * How to load behaviors for a page.
 *
 * If set to "import", the loader will be imported as a file. This will result in slightly slower loading, but is compatible with content security policies that disallow inline scripts.
 * If set to "inline", the loader will be inlined in the page. This is the default and fastest option. If your content security policy disallows inline scripts, use "import" instead.
 */
export type PageBehaviorLoaderType = "file" | "inline";
/**
 * The props type for a behavior module.
 */
export type BehaviorModuleProps = {
    /**
     * The promise from the `import()` call for the behavior module. For example, `import('./client/behavior/Greeting.js')`.
     */
    module: Promise<{
        default: BehaviorModule;
    }>;
};
import { EventEmitter } from 'node:events';
/**
 * Render fragment types.
 */
type RenderFragmentType = number;
declare namespace RenderFragmentType {
    let TEXT: number;
    let HTML: number;
    let BEHAVIOR_MODULE: number;
    let BEHAVIOR_MODULE_LOADER: number;
}
export {};