@stencil/core/internal/stencil-public-compiler.d.ts

A Compiler for Web Components and Progressive Web Apps

import type { ConfigFlags } from '../cli/config-flags';
import type { PrerenderUrlResults, PrintLine } from '../internal';
import type { BuildCtx, CompilerCtx } from './stencil-private';
import type { JsonDocs } from './stencil-public-docs';
import type { ResolutionHandler } from './stencil-public-runtime';
export * from './stencil-public-docs';
/**
 * https://stenciljs.com/docs/config/
 */
export interface StencilConfig {
    /**
     * By default, Stencil will attempt to optimize small scripts by inlining them in HTML. Setting
     * this flag to `false` will prevent this optimization and keep all scripts separate from HTML.
     */
    allowInlineScripts?: boolean;
    /**
     * By setting `autoprefixCss` to `true`, Stencil will use the appropriate config to automatically
     * prefix css. For example, developers can write modern and standard css properties, such as
     * "transform", and Stencil will automatically add in the prefixed version, such as "-webkit-transform".
     * As of Stencil v2, autoprefixing CSS is no longer the default.
     * Defaults to `false`
     */
    autoprefixCss?: boolean | any;
    /**
     * By default, Stencil will statically analyze the application and generate a component graph of
     * how all the components are interconnected.
     *
     * From the component graph it is able to best decide how components should be grouped
     * depending on their usage with one another within the app.
     * By doing so it's able to bundle components together in order to reduce network requests.
     * However, bundles can be manually generated using the bundles config.
     *
     * The bundles config is an array of objects that represent how components are grouped together
     * in lazy-loaded bundles.
     * This config is rarely needed as Stencil handles this automatically behind the scenes.
     */
    bundles?: ConfigBundle[];
    /**
     * Stencil will cache build results in order to speed up rebuilds.
     * To disable this feature, set enableCache to false.
     */
    enableCache?: boolean;
    /**
     * The directory where sub-directories will be created for caching when `enableCache` is set
     * `true` or if using Stencil's Screenshot Connector.
     *
     * @default '.stencil'
     *
     * @example
     *
     * A Stencil config like the following:
     * ```ts
     * export const config = {
     *  ...,
     *  enableCache: true,
     *  cacheDir: '.cache',
     *  testing: {
     *    screenshotConnector: 'connector.js'
     *  }
     * }
     * ```
     *
     * Will result in the following file structure:
     * ```tree
     * stencil-project-root
     * └── .cache
     *     ├── .build <-- Where build related file caching is written
     *     |
     *     └── screenshot-cache.json <-- Where screenshot caching is written
     * ```
     */
    cacheDir?: string;
    /**
     * Stencil is traditionally used to compile many components into an app,
     * and each component comes with its own compartmentalized styles.
     * However, it's still common to have styles which should be "global" across all components and the website.
     * A global CSS file is often useful to set CSS Variables.
     *
     * Additionally, the globalStyle config can be used to precompile styles with Sass, PostCSS, etc.
     * Below is an example folder structure containing a webapp's global sass file, named app.css.
     */
    globalStyle?: string;
    /**
     * Will generate {@link https://nodejs.org/api/packages.html#packages_exports export map} entry points
     * for each component in the build when `true`.
     *
     * @default false
     */
    generateExportMaps?: boolean;
    /**
     * When the hashFileNames config is set to true, and it is a production build,
     * the hashedFileNameLength config is used to determine how many characters the file name's hash should be.
     */
    hashedFileNameLength?: number;
    /**
     * During production builds, the content of each generated file is hashed to represent the content,
     * and the hashed value is used as the filename. If the content isn't updated between builds,
     * then it receives the same filename. When the content is updated, then the filename is different.
     *
     * By doing this, deployed apps can "forever-cache" the build directory and take full advantage of
     * content delivery networks (CDNs) and heavily caching files for faster apps.
     */
    hashFileNames?: boolean;
    /**
     * The namespace config is a string representing a namespace for the app.
     * For apps that are not meant to be a library of reusable components,
     * the default of App is just fine. However, if the app is meant to be consumed
     * as a third-party library, such as Ionic, a unique namespace is required.
     */
    namespace?: string;
    /**
     * Stencil is able to take an app's source and compile it to numerous targets,
     * such as an app to be deployed on an http server, or as a third-party library
     * to be distributed on npm. By default, Stencil apps have an output target type of www.
     *
     * The outputTargets config is an array of objects, with types of www and dist.
     */
    outputTargets?: OutputTarget[];
    /**
     * The plugins config can be used to add your own rollup plugins.
     * By default, Stencil does not come with Sass or PostCSS support.
     * However, either can be added using the plugin array.
     */
    plugins?: any[];
    /**
     * Generate js source map files for all bundles
     */
    sourceMap?: boolean;
    /**
     * The srcDir config specifies the directory which should contain the source typescript files
     * for each component. The standard for Stencil apps is to use src, which is the default.
     */
    srcDir?: string;
    /**
     * Sets whether or not Stencil should transform path aliases set in a project's
     * `tsconfig.json` from the assigned module aliases to resolved relative paths.
     *
     * This behavior defaults to `true`, but may be opted-out of by setting this flag to `false`.
     */
    transformAliasedImportPaths?: boolean;
    /**
     * When `true`, we will validate a project's `package.json` based on the output target the user has designated
     * as `isPrimaryPackageOutputTarget: true` in their Stencil config.
     */
    validatePrimaryPackageOutputTarget?: boolean;
    /**
     * Passes custom configuration down to the "@rollup/plugin-commonjs" that Stencil uses under the hood.
     * For further information: https://stenciljs.com/docs/module-bundling
     */
    commonjs?: BundlingConfig;
    /**
     * Passes custom configuration down to the "@rollup/plugin-node-resolve" that Stencil uses under the hood.
     * For further information: https://stenciljs.com/docs/module-bundling
     */
    nodeResolve?: NodeResolveConfig;
    /**
     * Passes custom configuration down to rollup itself, not all rollup options can be overridden.
     */
    rollupConfig?: RollupConfig;
    /**
     * Sets if the ES5 build should be generated or not. Stencil generates a modern build without ES5,
     * whereas this setting to `true` will also create es5 builds for both dev and prod modes. Setting
     * `buildEs5` to `prod` will only build ES5 in prod mode. Basically if the app does not need to run
     * on legacy browsers (IE11 and Edge 18 and below), it's safe to not build ES5, which will also speed
     * up build times. Defaults to `false`.
     */
    buildEs5?: boolean | 'prod';
    /**
     * Sets if the JS browser files are minified or not. Stencil uses `terser` under the hood.
     * Defaults to `false` in dev mode and `true` in production mode.
     */
    minifyJs?: boolean;
    /**
     * Sets if the CSS is minified or not.
     * Defaults to `false` in dev mode and `true` in production mode.
     */
    minifyCss?: boolean;
    /**
     * Forces Stencil to run in `dev` mode if the value is `true` and `production` mode
     * if it's `false`.
     *
     * Defaults to `false` (ie. production) unless the `--dev` flag is used in the CLI.
     */
    devMode?: boolean;
    /**
     * Object to provide a custom logger. By default a `logger` is already provided for the
     * platform the compiler is running on, such as NodeJS or a browser.
     */
    logger?: Logger;
    /**
     * Config to add extra runtime for DOM features that require more polyfills. Note
     * that not all DOM APIs are fully polyfilled when using the slot polyfill. These
     * are opt-in since not all users will require the additional runtime.
     */
    extras?: ConfigExtras;
    /**
     * The hydrated flag identifies if a component and all of its child components
     * have finished hydrating. This helps prevent any flash of unstyled content (FOUC)
     * as various components are asynchronously downloaded and rendered. By default it
     * will add the `hydrated` CSS class to the element. The `hydratedFlag` config can be used
     * to change the name of the CSS class, change it to an attribute, or change which
     * type of CSS properties and values are assigned before and after hydrating. This config
     * can also be used to not include the hydrated flag at all by setting it to `null`.
     */
    hydratedFlag?: HydratedFlag | null;
    /**
     * Ionic prefers to hide all components prior to hydration with a style tag appended
     * to the head of the document containing some `visibility: hidden;` css rules.
     *
     * Disabling this will remove the style tag that sets `visibility: hidden;` on all
     * un-hydrated web components. This more closely follows the HTML spec, and allows
     * you to set your own fallback content.
     *
     */
    invisiblePrehydration?: boolean;
    /**
     * Sets the task queue used by stencil's runtime. The task queue schedules DOM read and writes
     * across the frames to efficiently render and reduce layout thrashing. By default,
     * `async` is used. It's recommended to also try each setting to decide which works
     * best for your use-case. In all cases, if your app has many CPU intensive tasks causing the
     * main thread to periodically lock-up, it's always recommended to try
     * [Web Workers](https://stenciljs.com/docs/web-workers) for those tasks.
     *
     * - `async`: DOM read and writes are scheduled in the next frame to prevent layout thrashing.
     *   During intensive CPU tasks it will not reschedule rendering to happen in the next frame.
     *   `async` is ideal for most apps, and if the app has many intensive tasks causing the main
     *   thread to lock-up, it's recommended to try [Web Workers](https://stenciljs.com/docs/web-workers)
     *   rather than the congestion async queue.
     *
     * - `congestionAsync`: DOM reads and writes are scheduled in the next frame to prevent layout
     *   thrashing. When the app is heavily tasked and the queue becomes congested it will then
     *   split the work across multiple frames to prevent blocking the main thread. However, it can
     *   also introduce unnecessary reflows in some cases, especially during startup. `congestionAsync`
     *   is ideal for apps running animations while also simultaneously executing intensive tasks
     *   which may lock-up the main thread.
     *
     * - `immediate`: Makes writeTask() and readTask() callbacks to be executed synchronously. Tasks
     *   are not scheduled to run in the next frame, but do note there is at least one microtask.
     *   The `immediate` setting is ideal for apps that do not provide long running and smooth
     *   animations. Like the async setting, if the app has intensive tasks causing the main thread
     *   to lock-up, it's recommended to try [Web Workers](https://stenciljs.com/docs/web-workers).
     */
    taskQueue?: 'async' | 'immediate' | 'congestionAsync';
    /**
     * Provide a object of key/values accessible within the app, using the `Env` object.
     */
    env?: {
        [prop: string]: string | undefined;
    };
    docs?: StencilDocsConfig;
    globalScript?: string;
    srcIndexHtml?: string;
    watch?: boolean;
    testing?: TestingConfig;
    maxConcurrentWorkers?: number;
    preamble?: string;
    rollupPlugins?: {
        before?: any[];
        after?: any[];
    };
    entryComponentsHint?: string[];
    /**
     * Sets whether Stencil will write files to `dist/` during the build or not.
     *
     * By default this value is set to the opposite value of {@link devMode},
     * i.e. it will be `true` when building for production and `false` when
     * building for development.
     */
    buildDist?: boolean;
    buildLogFilePath?: string;
    devInspector?: boolean;
    devServer?: StencilDevServerConfig;
    sys?: CompilerSystem;
    tsconfig?: string;
    validateTypes?: boolean;
    /**
     * An array of RegExp patterns that are matched against all source files before adding
     * to the watch list in watch mode. If the file path matches any of the patterns, when it
     * is updated, it will not trigger a re-run of tests.
     */
    watchIgnoredRegex?: RegExp | RegExp[];
    /**
     * Set whether unused dependencies should be excluded from the built output.
     */
    excludeUnusedDependencies?: boolean;
    stencilCoreResolvedId?: string;
}
interface ConfigExtrasBase {
    /**
     * Experimental flag. Projects that use a Stencil library built using the `dist` output target may have trouble lazily
     * loading components when using a bundler such as Vite or Parcel. Setting this flag to `true` will change how Stencil
     * lazily loads components in a way that works with additional bundlers. Setting this flag to `true` will increase
     * the size of the compiled output. Defaults to `false`.
     * @deprecated This flag has been deprecated in favor of `enableImportInjection`, which provides the same
     * functionality. `experimentalImportInjection` will be removed in a future major version of Stencil.
     */
    experimentalImportInjection?: boolean;
    /**
     * Projects that use a Stencil library built using the `dist` output target may have trouble lazily
     * loading components when using a bundler such as Vite or Parcel. Setting this flag to `true` will change how Stencil
     * lazily loads components in a way that works with additional bundlers. Setting this flag to `true` will increase
     * the size of the compiled output. Defaults to `false`.
     */
    enableImportInjection?: boolean;
    /**
     * Dispatches component lifecycle events. Mainly used for testing. Defaults to `false`.
     */
    lifecycleDOMEvents?: boolean;
    /**
     * It is possible to assign data to the actual `<script>` element's `data-opts` property,
     * which then gets passed to Stencil's initial bootstrap. This feature is only required
     * for very special cases and rarely needed. Defaults to `false`.
     * @deprecated This option has been deprecated and will be removed in a future major version of Stencil.
     */
    scriptDataOpts?: boolean;
    /**
     * When a component is first attached to the DOM, this setting will wait a single tick before
     * rendering. This works around an Angular issue, where Angular attaches the elements before
     * settings their initial state, leading to double renders and unnecessary event dispatches.
     * Defaults to `false`.
     */
    initializeNextTick?: boolean;
    /**
     * Enables the tagNameTransform option of `defineCustomElements()`, so the component tagName
     * can be customized at runtime. Defaults to `false`.
     */
    tagNameTransform?: boolean;
    /**
     * Experimental flag.
     * Updates the behavior of scoped components to align more closely with the behavior of the native
     * Shadow DOM when using `slot`s.
     *
     * Defaults to `false`.
     */
    experimentalScopedSlotChanges?: boolean;
}
type ConfigExtrasSlotFixes<ExperimentalFixesEnabled extends boolean, IndividualFlags extends boolean> = {
    /**
     * By default, the slot polyfill does not update `appendChild()` so that it appends
     * new child nodes into the correct child slot like how shadow dom works. This is an opt-in
     * polyfill for those who need it when using `element.appendChild(node)` and expecting the
     * child to be appended in the same location shadow dom would. This is not required for
     * IE11 or Edge 18, but can be enabled if the app is using `appendChild()`. Defaults to `false`.
     */
    appendChildSlotFix?: IndividualFlags;
    /**
     * By default, the runtime does not polyfill `cloneNode()` when cloning a component
     * that uses the slot polyfill. This is an opt-in polyfill for those who need it.
     * This is not required for IE11 or Edge 18, but can be enabled if the app is using
     * `cloneNode()` and unexpected node are being cloned due to the slot polyfill
     * simulating shadow dom. Defaults to `false`.
     */
    cloneNodeFix?: IndividualFlags;
    /**
     * Experimental flag to align the behavior of invoking `textContent` on a scoped component to act more like a
     * component that uses the shadow DOM. Defaults to `false`
     */
    scopedSlotTextContentFix?: IndividualFlags;
    /**
     * For browsers that do not support shadow dom (IE11 and Edge 18 and below), slot is polyfilled
     * to simulate the same behavior. However, the host element's `childNodes` and `children`
     * getters are not patched to only show the child nodes and elements of the default slot.
     * Defaults to `false`.
     */
    slotChildNodesFix?: IndividualFlags;
    /**
     * Enables all slot-related fixes such as {@link slotChildNodesFix}, and
     * {@link scopedSlotTextContentFix}.
     */
    experimentalSlotFixes?: ExperimentalFixesEnabled;
};
export type ConfigExtras = ConfigExtrasBase & (ConfigExtrasSlotFixes<true, true> | ConfigExtrasSlotFixes<false, boolean>);
export interface Config extends StencilConfig {
    buildAppCore?: boolean;
    buildDocs?: boolean;
    configPath?: string;
    writeLog?: boolean;
    devServer?: DevServerConfig;
    flags?: ConfigFlags;
    fsNamespace?: string;
    logLevel?: LogLevel;
    rootDir?: string;
    packageJsonFilePath?: string;
    suppressLogs?: boolean;
    profile?: boolean;
    tsCompilerOptions?: any;
    tsWatchOptions?: any;
    _isValidated?: boolean;
    _isTesting?: boolean;
}
/**
 * A 'loose' type useful for wrapping an incomplete / possible malformed
 * object as we work on getting it comply with a particular Interface T.
 *
 * Example:
 *
 * ```ts
 * interface Foo {
 *   bar: string
 * }
 *
 * function validateFoo(foo: Loose<Foo>): Foo {
 *   let validatedFoo = {
 *     ...foo,
 *     bar: foo.bar || DEFAULT_BAR
 *   }
 *
 *   return validatedFoo
 * }
 * ```
 *
 * Use this when you need to take user input or something from some other part
 * of the world that we don't control and transform it into something
 * conforming to a given interface. For best results, pair with a validation
 * function as shown in the example.
 */
type Loose<T extends Object> = Record<string, any> & Partial<T>;
/**
 * A Loose version of the Config interface. This is intended to let us load a partial config
 * and have type information carry though as we construct an object which is a valid `Config`.
 */
export type UnvalidatedConfig = Loose<Config>;
/**
 * Helper type to strip optional markers from keys in a type, while preserving other type information for the key.
 * This type takes a union of keys, K, in type T to allow for the type T to be gradually updated.
 *
 * ```typescript
 * type Foo { bar?: number, baz?: string }
 * type ReqFieldFoo = RequireFields<Foo, 'bar'>; // { bar: number, baz?: string }
 * ```
 */
type RequireFields<T, K extends keyof T> = T & {
    [P in K]-?: T[P];
};
/**
 * Fields in {@link Config} to make required for {@link ValidatedConfig}
 */
type StrictConfigFields = keyof Pick<Config, 'buildEs5' | 'cacheDir' | 'devMode' | 'devServer' | 'extras' | 'flags' | 'fsNamespace' | 'hashFileNames' | 'hashedFileNameLength' | 'hydratedFlag' | 'logLevel' | 'logger' | 'minifyCss' | 'minifyJs' | 'namespace' | 'outputTargets' | 'packageJsonFilePath' | 'rollupConfig' | 'rootDir' | 'srcDir' | 'srcIndexHtml' | 'sys' | 'testing' | 'transformAliasedImportPaths' | 'validatePrimaryPackageOutputTarget'>;
/**
 * A version of {@link Config} that makes certain fields required. This type represents a valid configuration entity.
 * When a configuration is received by the user, it is a bag of unverified data. In order to make stricter guarantees
 * about the data from a type-safety perspective, this type is intended to be used throughout the codebase once
 * validations have occurred at runtime.
 */
export type ValidatedConfig = RequireFields<Config, StrictConfigFields>;
export interface HydratedFlag {
    /**
     * Defaults to `hydrated`.
     */
    name?: string;
    /**
     * Can be either `class` or `attribute`. Defaults to `class`.
     */
    selector?: 'class' | 'attribute';
    /**
     * The CSS property used to show and hide components. Defaults to use the CSS `visibility`
     * property. Other commonly used CSS properties would be `display` with the `initialValue`
     * setting as `none`, or `opacity` with the `initialValue` as `0`. Defaults to `visibility`
     * and the default `initialValue` is `hidden`.
     */
    property?: string;
    /**
     * This is the CSS value to give all components before it has been hydrated.
     * Defaults to `hidden`.
     */
    initialValue?: string;
    /**
     * This is the CSS value to assign once a component has finished hydrating.
     * This is the CSS value that'll allow the component to show. Defaults to `inherit`.
     */
    hydratedValue?: string;
}
export interface StencilDevServerConfig {
    /**
     * IP address used by the dev server. The default is `0.0.0.0`, which points to all IPv4 addresses
     * on the local machine, such as `localhost`.
     */
    address?: string;
    /**
     * Base path to be used by the server. Defaults to the root pathname.
     */
    basePath?: string;
    /**
     * EXPERIMENTAL!
     * During development, node modules can be independently requested and bundled, making for
     * faster build times. This is only available using the Stencil Dev Server throughout
     * development. Production builds and builds with the `es5` flag will override
     * this setting to `false`. Default is `false`.
     */
    experimentalDevModules?: boolean;
    /**
     * If the dev server should respond with gzip compressed content. Defaults to `true`.
     */
    gzip?: boolean;
    /**
     * When set, the dev server will run via https using the SSL certificate and key you provide
     * (use `fs` if you want to read them from files).
     */
    https?: Credentials;
    /**
     * The URL the dev server should first open to. Defaults to `/`.
     */
    initialLoadUrl?: string;
    /**
     * When `true`, every request to the server will be logged within the terminal.
     * Defaults to `false`.
     */
    logRequests?: boolean;
    /**
     * By default, when dev server is started the local dev URL is opened in your default browser.
     * However, to prevent this URL to be opened change this value to `false`. Defaults to `true`.
     */
    openBrowser?: boolean;
    /**
     * Sets the server's port. Defaults to `3333`.
     */
    port?: number;
    /**
     * When files are watched and updated, by default the dev server will use `hmr` (Hot Module Replacement)
     * to update the page without a full page refresh. To have the page do a full refresh use `pageReload`.
     * To disable any reloading, use `null`. Defaults to `hmr`.
     */
    reloadStrategy?: PageReloadStrategy;
    /**
     * Local path to a NodeJs file with a dev server request listener as the default export.
     * The user's request listener is given the first chance to handle every request the dev server
     * receives, and can choose to handle it or instead pass it on to the default dev server
     * by calling `next()`.
     *
     * Below is an example of a NodeJs file the `requestListenerPath` config is using.
     * The request and response arguments are the same as Node's `http` module and `RequestListener`
     * callback. https://nodejs.org/api/http.html#http_http_createserver_options_requestlistener
     *
     * ```js
     * module.exports = function (req, res, next) {
     *    if (req.url === '/ping') {
     *      // custom response overriding the dev server
     *      res.setHeader('Content-Type', 'text/plain');
     *      res.writeHead(200);
     *      res.end('pong');
     *    } else {
     *      // pass request on to the default dev server
     *      next();
     *    }
     * };
     * ```
     */
    requestListenerPath?: string;
    /**
     * The root directory to serve the files from.
     */
    root?: string;
    /**
     * If the dev server should Server-Side Render (SSR) each page, meaning it'll dynamically generate
     * server-side rendered html on each page load. The `--ssr` flag will most commonly be used with
     * the`--dev --watch --serve` flags during development. Note that this is for development purposes
     * only, and the built-in dev server should not be used for production. Defaults to `false`.
     */
    ssr?: boolean;
    /**
     * If the dev server fails to start up within the given timeout (in milliseconds), the startup will
     * be canceled. Set to zero to disable the timeout. Defaults to `15000`.
     */
    startupTimeout?: number;
    /**
     * Whether to use the dev server's websocket client or not. Defaults to `true`.
     */
    websocket?: boolean;
    /**
     * If the dev server should fork a worker for the server process or not. A singled-threaded dev server
     * is slower, however it is useful for debugging http requests and responses. Defaults to `true`.
     */
    worker?: boolean;
}
export interface DevServerConfig extends StencilDevServerConfig {
    browserUrl?: string;
    devServerDir?: string;
    /**
     * A list of glob patterns like `subdir/*.js`  to exclude from hot-module
     * reloading updates.
     */
    excludeHmr?: string[];
    historyApiFallback?: HistoryApiFallback;
    openBrowser?: boolean;
    prerenderConfig?: string;
    protocol?: 'http' | 'https';
    srcIndexHtml?: string;
    /**
     * Route to be used for the "ping" sub-route of the Stencil dev server.
     * This route will return a 200 status code once the Stencil build has finished.
     * Setting this to `null` will disable the ping route.
     *
     * Defaults to `/ping`
     */
    pingRoute?: string | null;
}
export interface HistoryApiFallback {
    index?: string;
    disableDotRule?: boolean;
}
export interface DevServerEditor {
    id: string;
    name?: string;
    supported?: boolean;
    priority?: number;
}
export type TaskCommand = 'build' | 'docs' | 'generate' | 'g' | 'help' | 'info' | 'prerender' | 'serve' | 'telemetry' | 'test' | 'version';
export type PageReloadStrategy = 'hmr' | 'pageReload' | null;
/**
 * The prerender config is used when prerendering a `www` output target.
 * Within `stencil.config.ts`, set the path to the prerendering
 * config file path using the `prerenderConfig` property, such as:
 *
 * ```tsx
 * import { Config } from '@stencil/core';
 * export const config: Config = {
 *   outputTargets: [
 *     {
 *       type: 'www',
 *       baseUrl: 'https://stenciljs.com/',
 *       prerenderConfig: './prerender.config.ts',
 *     }
 *   ]
 * };
 * ```
 *
 * The `prerender.config.ts` should export a `config` object using
 * the `PrerenderConfig` interface.
 *
 * ```tsx
 * import { PrerenderConfig } from '@stencil/core';
 * export const config: PrerenderConfig = {
 *   ...
 * };
 * ```
 *
 * For more info: https://stenciljs.com/docs/static-site-generation
 */
export interface PrerenderConfig {
    /**
     * Run after each `document` is hydrated, but before it is serialized
     * into an HTML string. Hook is passed the `document` and its `URL`.
     */
    afterHydrate?(document: Document, url: URL, results: PrerenderUrlResults): any | Promise<any>;
    /**
     * Run before each `document` is hydrated. Hook is passed the `document` it's `URL`.
     */
    beforeHydrate?(document: Document, url: URL): any | Promise<any>;
    /**
     * Runs after the template Document object has serialize into an
     * HTML formatted string. Returns an HTML string to be used as the
     * base template for all prerendered pages.
     */
    afterSerializeTemplate?(html: string): string | Promise<string>;
    /**
     * Runs before the template Document object is serialize into an
     * HTML formatted string. Returns the Document to be serialized which
     * will become the base template html for all prerendered pages.
     */
    beforeSerializeTemplate?(document: Document): Document | Promise<Document>;
    /**
     * A hook to be used to generate the canonical `<link>` tag
     * which goes in the `<head>` of every prerendered page. Returning `null`
     * will not add a canonical url tag to the page.
     */
    canonicalUrl?(url: URL): string | null;
    /**
     * While prerendering, crawl same-origin URLs found within `<a href>` elements.
     * Defaults to `true`.
     */
    crawlUrls?: boolean;
    /**
     * URLs to start the prerendering from. By default the root URL of `/` is used.
     */
    entryUrls?: string[];
    /**
     * Return `true` the given `<a>` element should be crawled or not.
     */
    filterAnchor?(attrs: {
        [attrName: string]: string;
    }, base?: URL): boolean;
    /**
     * Return `true` if the given URL should be prerendered or not.
     */
    filterUrl?(url: URL, base: URL): boolean;
    /**
     * Returns the file path which the prerendered HTML content
     * should be written to.
     */
    filePath?(url: URL, filePath: string): string;
    /**
     * Returns the hydrate options to use for each individual prerendered page.
     */
    hydrateOptions?(url: URL): PrerenderHydrateOptions;
    /**
     * Returns the template file's content. The template is the base
     * HTML used for all prerendered pages.
     */
    loadTemplate?(filePath: string): string | Promise<string>;
    /**
     * Used to normalize the page's URL from a given a string and the current
     * page's base URL. Largely used when reading an anchor's `href` attribute
     * value and normalizing it into a `URL`.
     */
    normalizeUrl?(href: string, base: URL): URL;
    robotsTxt?(opts: RobotsTxtOpts): string | RobotsTxtResults;
    sitemapXml?(opts: SitemapXmpOpts): string | SitemapXmpResults;
    /**
     * Static Site Generated (SSG). Does not include Stencil's client-side
     * JavaScript, custom elements or preload modules.
     */
    staticSite?: boolean;
    /**
     * If the prerendered URLs should have a trailing "/"" or not. Defaults to `false`.
     */
    trailingSlash?: boolean;
}
export interface HydrateDocumentOptions {
    /**
     * Build ID that will be added to `<html data-stencil-build="BUILD_ID">`. By default
     * a random ID will be generated
     */
    buildId?: string;
    /**
     * Sets the `href` attribute on the `<link rel="canonical">`
     * tag within the `<head>`. If the value is not defined it will
     * ensure a canonical link tag is no included in the `<head>`.
     */
    canonicalUrl?: string;
    /**
     * Include the HTML comments and attributes used by the client-side
     * JavaScript to read the structure of the HTML and rebuild each
     * component. Defaults to `true`.
     */
    clientHydrateAnnotations?: boolean;
    /**
     * Constrain `setTimeout()` to 1ms, but still async. Also
     * only allows `setInterval()` to fire once, also constrained to 1ms.
     * Defaults to `true`.
     */
    constrainTimeouts?: boolean;
    /**
     * Sets `document.cookie`
     */
    cookie?: string;
    /**
     * Sets the `dir` attribute on the top level `<html>`.
     */
    direction?: string;
    /**
     * Component tag names listed here will not be prerendered, nor will
     * hydrated on the client-side. Components listed here will be ignored
     * as custom elements and treated no differently than a `<div>`.
     */
    excludeComponents?: string[];
    /**
     * Sets the `lang` attribute on the top level `<html>`.
     */
    language?: string;
    /**
     * Maximum number of components to hydrate on one page. Defaults to `300`.
     */
    maxHydrateCount?: number;
    /**
     * Sets `document.referrer`
     */
    referrer?: string;
    /**
     * Removes every `<script>` element found in the `document`. Defaults to `false`.
     */
    removeScripts?: boolean;
    /**
     * Removes CSS not used by elements within the `document`. Defaults to `true`.
     */
    removeUnusedStyles?: boolean;
    /**
     * The url the runtime uses for the resources, such as the assets directory.
     */
    resourcesUrl?: string;
    /**
     * Prints out runtime console logs to the NodeJS process. Defaults to `false`.
     */
    runtimeLogging?: boolean;
    /**
     * Component tags listed here will only be prerendered or server-side-rendered
     * and will not be client-side hydrated. This is useful for components that
     * are not dynamic and do not need to be defined as a custom element within the
     * browser. For example, a header or footer component would be a good example that
     * may not require any client-side JavaScript.
     */
    staticComponents?: string[];
    /**
     * The amount of milliseconds to wait for a page to finish rendering until
     * a timeout error is thrown. Defaults to `15000`.
     */
    timeout?: number;
    /**
     * Sets `document.title`.
     */
    title?: string;
    /**
     * Sets `location.href`
     */
    url?: string;
    /**
     * Sets `navigator.userAgent`
     */
    userAgent?: string;
}
export interface SerializeDocumentOptions extends HydrateDocumentOptions {
    /**
     * Runs after the `document` has been hydrated.
     */
    afterHydrate?(document: any): any | Promise<any>;
    /**
     * Sets an approximate line width the HTML should attempt to stay within.
     * Note that this is "approximate", in that HTML may often not be able
     * to be split at an exact line width. Additionally, new lines created
     * is where HTML naturally already has whitespace, such as before an
     * attribute or spaces between words. Defaults to `100`.
     */
    approximateLineWidth?: number;
    /**
     * Runs before the `document` has been hydrated.
     */
    beforeHydrate?(document: any): any | Promise<any>;
    /**
     * Format the HTML in a nicely indented format.
     * Defaults to `false`.
     */
    prettyHtml?: boolean;
    /**
     * Remove quotes from attribute values when possible.
     * Defaults to `true`.
     */
    removeAttributeQuotes?: boolean;
    /**
     * Remove the `=""` from standardized `boolean` attributes,
     * such as `hidden` or `checked`. Defaults to `true`.
     */
    removeBooleanAttributeQuotes?: boolean;
    /**
     * Remove these standardized attributes when their value is empty:
     * `class`, `dir`, `id`, `lang`, and `name`, `title`. Defaults to `true`.
     */
    removeEmptyAttributes?: boolean;
    /**
     * Remove HTML comments. Defaults to `true`.
     */
    removeHtmlComments?: boolean;
    /**
     * If set to `true` the component will be rendered within a Declarative Shadow DOM.
     * If set to `false` Stencil will ignore the contents of the shadow root and render the
     * element as given in provided template.
     * @default true
     */
    serializeShadowRoot?: boolean;
    /**
     * The `fullDocument` flag determines the format of the rendered output. Set it to true to
     * generate a complete HTML document, or false to render only the component.
     * @default true
     */
    fullDocument?: boolean;
    /**
     * Style modes to render the component in.
     * @see https://stenciljs.com/docs/styling#style-modes
     */
    modes?: ResolutionHandler[];
}
export interface HydrateFactoryOptions extends SerializeDocumentOptions {
    serializeToHtml: boolean;
    destroyWindow: boolean;
    destroyDocument: boolean;
}
export interface PrerenderHydrateOptions extends SerializeDocumentOptions {
    /**
     * Adds `<link rel="modulepreload">` for modules that will eventually be requested.
     * Defaults to `true`.
     */
    addModulePreloads?: boolean;
    /**
     * Hash the content of assets, such as images, fonts and css files,
     * and add the hashed value as `v` querystring. For example,
     * `/assets/image.png?v=abcd1234`. This allows for assets to be
     * heavily cached by setting the server's response header with
     * `Cache-Control: max-age=31536000, immutable`.
     */
    hashAssets?: 'querystring';
    /**
     * External stylesheets from `<link rel="stylesheet">` are instead inlined
     * into `<style>` elements. Defaults to `false`.
     */
    inlineExternalStyleSheets?: boolean;
    /**
     * Minify CSS content within `<style>` elements. Defaults to `true`.
     */
    minifyStyleElements?: boolean;
    /**
     * Minify JavaScript content within `<script>` elements. Defaults to `true`.
     */
    minifyScriptElements?: boolean;
    /**
     * Entire `document` should be static. This is useful for specific pages that
     * should be static, rather than the entire site. If the whole site should be static,
     * use the `staticSite` property on the prerender config instead. If only certain
     * components should be static then use `staticComponents` instead.
     */
    staticDocument?: boolean;
}
export interface RobotsTxtOpts {
    urls: string[];
    sitemapUrl: string;
    baseUrl: string;
    dir: string;
}
export interface RobotsTxtResults {
    content: string;
    filePath: string;
    url: string;
}
export interface SitemapXmpOpts {
    urls: string[];
    baseUrl: string;
    dir: string;
}
export interface SitemapXmpResults {
    content: string;
    filePath: string;
    url: string;
}
/**
 * Common system used by the compiler. All file reads, writes, access, etc. will all use
 * this system. Additionally, throughout each build, the compiler will use an internal
 * in-memory file system as to prevent unnecessary fs reads and writes. At the end of each
 * build all actions the in-memory fs performed will be written to disk using this system.
 * A NodeJS based system will use APIs such as `fs` and `crypto`, and a web-based system
 * will use in-memory Maps and browser APIs. Either way, the compiler itself is unaware
 * of the actual platform it's being ran on top of.
 */
export interface CompilerSystem {
    name: 'node' | 'in-memory';
    version: string;
    events?: BuildEvents;
    details?: SystemDetails;
    /**
     * Add a callback which will be ran when destroy() is called.
     */
    addDestroy(cb: () => void): void;
    /**
     * Always returns a boolean, does not throw.
     */
    access(p: string): Promise<boolean>;
    /**
     * SYNC! Always returns a boolean, does not throw.
     */
    accessSync(p: string): boolean;
    applyGlobalPatch?(fromDir: string): Promise<void>;
    applyPrerenderGlobalPatch?(opts: {
        devServerHostUrl: string;
        window: any;
    }): void;
    cacheStorage?: CacheStorage;
    checkVersion?: (logger: Logger, currentVersion: string) => Promise<() => void>;
    copy?(copyTasks: Required<CopyTask>[], srcDir: string): Promise<CopyResults>;
    /**
     * Always returns a boolean if the files were copied or not. Does not throw.
     */
    copyFile(src: string, dst: string): Promise<boolean>;
    /**
     * Used to destroy any listeners, file watchers or child processes.
     */
    destroy(): Promise<void>;
    /**
     * Does not throw.
     */
    createDir(p: string, opts?: CompilerSystemCreateDirectoryOptions): Promise<CompilerSystemCreateDirectoryResults>;
    /**
     * SYNC! Does not throw.
     */
    createDirSync(p: string, opts?: CompilerSystemCreateDirectoryOptions): CompilerSystemCreateDirectoryResults;
    homeDir(): string;
    /**
     * Used to determine if the current context of the terminal is TTY.
     */
    isTTY(): boolean;
    /**
     * Each platform has a different way to dynamically import modules.
     */
    dynamicImport?(p: string): Promise<any>;
    /**
     * Creates the worker controller for the current system.
     *
     * @param maxConcurrentWorkers the max number of concurrent workers to
     * support
     * @returns a worker controller appropriate for the current platform (node.js)
     */
    createWorkerController?(maxConcurrentWorkers: number): WorkerMainController;
    encodeToBase64(str: string): string;
    /**
     * @deprecated
     */
    ensureDependencies?(opts: {
        rootDir: string;
        logger: Logger;
        dependencies: CompilerDependency[];
    }): Promise<{
        stencilPath: string;
        diagnostics: Diagnostic[];
    }>;
    /**
     * @deprecated
     */
    ensureResources?(opts: {
        rootDir: string;
        logger: Logger;
        dependencies: CompilerDependency[];
    }): Promise<void>;
    /**
     * process.exit()
     */
    exit(exitCode: number): Promise<void>;
    /**
     * Optionally provide a fetch() function rather than using the built-in fetch().
     * First arg is a url string or Request object (RequestInfo).
     * Second arg is the RequestInit. Returns the Response object
     */
    fetch?(input: string | any, init?: any): Promise<any>;
    /**
     * Generates a sha1 digest encoded as HEX
     */
    generateContentHash?(content: string | any, length?: number): Promise<string>;
    /**
     * Generates a sha1 digest encoded as HEX from a file path
     */
    generateFileHash?(filePath: string | any, length?: number): Promise<string>;
    /**
     * Get the current directory.
     */
    getCurrentDirectory(): string;
    /**
     * The compiler's executing path.
     */
    getCompilerExecutingPath(): string;
    /**
     * The dev server's executing path.
     */
    getDevServerExecutingPath?(): string;
    getEnvironmentVar?(key: string): string;
    /**
     * Gets the absolute file path when for a dependency module.
     */
    getLocalModulePath(opts: {
        rootDir: string;
        moduleId: string;
        path: string;
    }): string;
    /**
     * Gets the full url when requesting a dependency module to fetch from a CDN.
     */
    getRemoteModuleUrl(opts: {
        moduleId: string;
        path?: string;
        version?: string;
    }): string;
    /**
     * Async glob task. Only available in NodeJS compiler system.
     */
    glob?(pattern: string, options: {
        cwd?: string;
        nodir?: boolean;
        [key: string]: any;
    }): Promise<string[]>;
    /**
     * The number of logical processors available to run threads on the user's computer (cpus).
     */
    hardwareConcurrency: number;
    /**
     * Tests if the path is a symbolic link or not. Always resolves a boolean. Does not throw.
     */
    isSymbolicLink(p: string): Promise<boolean>;
    lazyRequire?: LazyRequire;
    nextTick(cb: () => void): void;
    /**
     * Normalize file system path.
     */
    normalizePath(p: string): string;
    onProcessInterrupt?(cb: () => void): void;
    parseYarnLockFile?: (content: string) => {
        type: 'success' | 'merge' | 'conflict';
        object: any;
    };
    platformPath: PlatformPath;
    /**
     * All return paths are full normalized paths, not just the basenames. Always returns an array, does not throw.
     */
    readDir(p: string): Promise<string[]>;
    /**
     * SYNC! All return paths are full normalized paths, not just the basenames. Always returns an array, does not throw.
     */
    readDirSync(p: string): string[];
    /**
     * Returns undefined if file is not found. Does not throw.
     */
    readFile(p: string): Promise<string>;
    readFile(p: string, encoding: 'utf8'): Promise<string>;
    readFile(p: string, encoding: 'binary'): Promise<any>;
    /**
     * SYNC! Returns undefined if file is not found. Does not throw.
     */
    readFileSync(p: string, encoding?: string): string;
    /**
     * Does not throw.
     */
    realpath(p: string): Promise<CompilerSystemRealpathResults>;
    /**
     * SYNC! Does not throw.
     */
    realpathSync(p: string): CompilerSystemRealpathResults;
    /**
     * Remove a callback which will be ran when destroy() is called.
     */
    removeDestroy(cb: () => void): void;
    /**
     * Rename old path to new path. Does not throw.
     */
    rename(oldPath: string, newPath: string): Promise<CompilerSystemRenameResults>;
    resolveModuleId?(opts: ResolveModuleIdOptions): Promise<ResolveModuleIdResults>;
    resolvePath(p: string): string;
    /**
     * Does not throw.
     */
    removeDir(p: string, opts?: CompilerSystemRemoveDirectoryOptions): Promise<CompilerSystemRemoveDirectoryResults>;
    /**
     * SYNC! Does not throw.
     */
    removeDirSync(p: string, opts?: CompilerSystemRemoveDirectoryOptions): CompilerSystemRemoveDirectoryResults;
    /**
     * Does not throw.
     */
    removeFile(p: string): Promise<CompilerSystemRemoveFileResults>;
    /**
     * SYNC! Does not throw.
     */
    removeFileSync(p: string): CompilerSystemRemoveFileResults;
    setupCompiler?: (c: {
        ts: any;
    }) => void;
    /**
     * Always returns an object. Does not throw. Check for "error" property if there's an error.
     */
    stat(p: string): Promise<CompilerFsStats>;
    /**
     * SYNC! Always returns an object. Does not throw. Check for "error" property if there's an error.
     */
    statSync(p: string): CompilerFsStats;
    tmpDirSync(): string;
    watchDirectory?(p: string, callback: CompilerFileWatcherCallback, recursive?: boolean): CompilerFileWatcher;
    /**
     * A `watchFile` implementation in order to hook into the rest of the {@link CompilerSystem} implementation that is
     * used when running Stencil's compiler in "watch mode".
     *
     * It is analogous to TypeScript's `watchFile`  implementation.
     *
     * Note, this function may be called for full builds of Stencil projects by the TypeScript compiler. It should not
     * assume that it will only be called in watch mode.
     *
     * This function should not perform any file watcher registration itself. Each `path` provided to it when called
     * should already have been registered as a file to watch.
     *
     * @param path the path to the file that is being watched
     * @param callback a callback to invoke when a file that is being watched has changed in some way
     * @returns an object with a method for unhooking the file watcher from the system
     */
    watchFile?(path: string, callback: CompilerFileWatcherCallback): CompilerFileWatcher;
    /**
     * How many milliseconds to wait after a change before calling watch callbacks.
     */
    watchTimeout?: number;
    /**
     * Does not throw.
     */
    writeFile(p: string, content: string): Promise<CompilerSystemWriteFileResults>;
    /**
     * SYNC! Does not throw.
     */
    writeFileSync(p: string, content: string): CompilerSystemWriteFileResults;
}
export interface TranspileOnlyResults {
    diagnostics: Diagnostic[];
    output: string;
    sourceMap: any;
}
export interface ParsedPath {
    root: string;
    dir: string;
    base: string;
    ext: string;
    name: string;
}
export interface PlatformPath {
    normalize(p: string): string;
    join(...paths: string[]): string;
    resolve(...pathSegments: string[]): string;
    isAbsolute(p: string): boolean;
    relative(from: string, to: string): string;
    dirname(p: string): string;
    basename(p: string, ext?: string): string;
    extname(p: string): string;
    parse(p: string): ParsedPath;
    sep: string;
    delimiter: string;
    posix: any;
    win32: any;
}
export interface CompilerDependency {
    name: string;
    version: string;
    main: string;
    resources?: string[];
}
export interface ResolveModuleIdOptions {
    moduleId: string;
    containingFile?: string;
    exts?: string[];
    packageFilter?: (pkg: any) => void;
}
export interface ResolveModuleIdResults {
    moduleId: string;
    resolveId: string;
    pkgData: {
        name: string;
        version: string;
        [key: string]: any;
    };
    pkgDirPath: string;
}
/**
 * A controller which provides for communication and coordination between
 * threaded workers.
 */
export interface WorkerMainController {
    /**
     * Send a given set of arguments to a worker
     */
    send(...args: any[]): Promise<any>;
    /**
     * Handle a particular method
     *
     * @param name of the method to be passed to a worker
     * @returns a Promise wrapping the results
     */
    handler(name: string): (...args: any[]) => Promise<any>;
    /**
     * Destroy the worker represented by this instance, rejecting all outstanding
     * tasks and killing the child process.
     */
    destroy(): void;
    /**
     * The current setting for the max number of workers
     */
    maxWorkers: number;
}
export interface CopyResults {
    diagnostics: Diagnostic[];
    filePaths: string[];
    dirPaths: string[];
}
export interface SystemDetails {
    cpuModel: string;
    freemem(): number;
    platform: 'darwin' | 'windows' | 'linux' | '';
    release: string;
    totalmem: number;
}
export interface BuildOnEvents {
    on(cb: (eventName: CompilerEventName, data: any) => void): BuildOnEventRemove;
    on(eventName: CompilerEventFileAdd, cb: (path: string) => void): BuildOnEventRemove;
    on(eventName: CompilerEventFileDelete, cb: (path: string) => void): BuildOnEventRemove;
    on(eventName: CompilerEventFileUpdate, cb: (path: string) => void): BuildOnEventRemove;
    on(eventName: CompilerEventDirAdd, cb: (path: string) => void): BuildOnEventRemove;
    on(eventName: CompilerEventDirDelete, cb: (path: string) => void): BuildOn