All files types.ts

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import type { IncomingMessage, ServerResponse } from 'node:http';
import type { MatchFunction } from 'path-to-regexp';
import type { Route } from './route';
import type { Router } from './router';
 
// Re-export Route type for backward compatibility
export type { Route };
 
// ============================================================================
// Utility types
// ============================================================================
export type Awaitable<T> = T | Promise<T>;
 
// ============================================================================
// Core enums
// ============================================================================
export enum RouterMode {
    history = 'history',
    memory = 'memory'
}
 
export enum RouteType {
    push = 'push',
    replace = 'replace',
    restartApp = 'restartApp',
    go = 'go',
    forward = 'forward',
    back = 'back',
    unknown = 'unknown',
    pushWindow = 'pushWindow',
    replaceWindow = 'replaceWindow',
    pushLayer = 'pushLayer'
}
 
// ============================================================================
// Hook function types
// ============================================================================
export type RouteConfirmHookResult =
    | void
    | false
    | RouteLocationInput
    | RouteHandleHook;
 
export type RouteConfirmHook = (
    to: Route,
    from: Route | null,
    router: Router
) => Awaitable<RouteConfirmHookResult>;
 
export type RouteVerifyHook = (
    to: Route,
    from: Route | null,
    router: Router
) => Awaitable<boolean>;
 
export type RouteHandleHook = (
    to: Route,
    from: Route | null,
    router: Router
) => Awaitable<RouteHandleResult>;
 
export type RouteNotifyHook = (
    to: Route,
    from: Route | null,
    router: Router
) => void;
 
// ============================================================================
// Basic data types
// ============================================================================
export type RouteMeta = Record<string | symbol, unknown>;
export type RouteState = Record<string, unknown>;
export type RouteHandleResult = unknown | null | void;
 
/**
 * Route matching type
 * - 'route': Route-level matching, compare if route configurations are the same
 * - 'exact': Exact matching, compare if paths are exactly the same
 * - 'include': Include matching, check if current path contains target path
 */
export type RouteMatchType = 'route' | 'exact' | 'include';
 
// ============================================================================
// Route location and config types
// ============================================================================
export interface RouteLocation {
    path?: string;
    url?: string | URL;
    params?: Record<string, string>;
    query?: Record<string, string | undefined>;
    queryArray?: Record<string, string[] | undefined>;
    hash?: string;
    state?: RouteState;
    /** When `true`, maintains current scroll position after navigation (default behavior scrolls to top) */
    keepScrollPosition?: boolean;
    statusCode?: number | null;
    layer?: RouteLayerOptions | null;
    confirm?: RouteConfirmHook | null;
}
export type RouteLocationInput = RouteLocation | string;
 
export interface RouteConfig {
    /** Pass a URL-encoded path */
    path: string;
    component?: unknown;
    children?: RouteConfig[];
    redirect?: RouteLocationInput | RouteConfirmHook;
    meta?: RouteMeta;
    app?: string | RouterMicroAppCallback;
    asyncComponent?: () => Promise<unknown>;
    beforeEnter?: RouteConfirmHook;
    beforeUpdate?: RouteConfirmHook;
    beforeLeave?: RouteConfirmHook;
    /** Mark this route as only effective in layer mode */
    layer?: boolean;
 
    /**
     * Require an index child route to match the parent path
     *
     * When set to `true`, the parent route will not match its own path
     * if no child route matches. The parent route requires a `path: ''`
     * index child route to match the parent path itself.
     *
     * - `requireIndex: false` (default): If no child route matches,
     *   the matcher falls back to matching the parent route itself
     * - `requireIndex: true`: If no child route matches, the parent
     *   route is skipped entirely (no fallback to self-match)
     *
     * @default false
     *
     * @example
     * ```typescript
     * // requireIndex: true - /A won't match without index child
     * {
     *   path: '/A',
     *   requireIndex: true,
     *   children: [
     *     { path: '', component: IndexComponent },  // /A matches this
     *     { path: 'a', component: AComponent }       // /A/a matches this
     *   ]
     * }
     *
     * // Default behavior - /A matches even without index child
     * {
     *   path: '/A',
     *   children: [
     *     { path: 'a', component: AComponent }  // /A/a matches, /A also matches (parent self)
     *   ]
     * }
     * ```
     */
    requireIndex?: boolean;
 
    /**
     * Route override function for hybrid app development
     *
     * Note: Override is not executed during initial route loading
     *
     * @param to Target route
     * @param from Source route
     * @returns Function to execute instead of default routing, or void for default
     *
     * @example
     * ```typescript
     * override: (to, from) => {
     *   if (isInApp()) {
     *     return () => JSBridge.openNative();
     *   }
     * }
     * ```
     */
    override?: RouteConfirmHook;
}
 
export interface RouteParsedConfig extends RouteConfig {
    /** Require an index child route to match the parent path (always has a value after parsing) */
    requireIndex: boolean;
    compilePath: string;
    children: RouteParsedConfig[];
    match: MatchFunction;
    compile: (params?: Record<string, string>) => string;
}
 
export interface RouteMatchResult {
    readonly matches: readonly RouteParsedConfig[];
    readonly params: Record<string, string | string[]>;
}
 
export type RouteMatcher = (
    to: URL,
    base: URL,
    cb?: (item: RouteParsedConfig) => boolean
) => RouteMatchResult;
 
/**
 * Route constructor options interface
 */
export interface RouteOptions {
    /** Router parsed options */
    options?: RouterParsedOptions;
    /** Route type */
    toType?: RouteType;
    /** Target route location */
    toInput?: RouteLocationInput;
    /** Source URL */
    from?: URL | null;
}
 
// ============================================================================
// Router Layer types
// ============================================================================
export interface RouteLayerOptions {
    /**
     * Layer zIndex value
     * If not set, will automatically use incremental layer value (1000 + increment)
     */
    zIndex?: number;
    /**
     * Hook function to determine layer keep-alive behavior before route closure
     * Determines whether the layer should remain open during navigation
     * - 'exact': Keep layer alive only when navigating to the exact initial path (default)
     * - 'include': Keep layer alive when navigating to paths that start with the initial path
     * - function: Custom logic to determine if the layer should be kept alive
     * @default 'exact'
     * @example
     * ```typescript
     * // Default behavior - keep only when navigating back to initial path
     * keepAlive: 'exact'
     *
     * // Keep layer alive for all sub-paths (paths starting with the initial path)
     * keepAlive: 'include'
     *
     * // Custom logic
     * keepAlive: (to, from, router) => to.query.keepLayer === 'true'
     * ```
     */
    keepAlive?: 'exact' | 'include' | RouteVerifyHook;
    /**
     * @deprecated Use keepAlive instead
     * Verification hook function before route closure
     * @returns Return true to allow closure, false to prevent closure
     */
    shouldClose?: RouteVerifyHook;
    /**
     * Whether to automatically record route history
     * @default true
     */
    autoPush?: boolean;
    /**
     * Route navigation mode control
     * - When autoPush is true:
     *   - true: Use push mode (add new history record)
     *   - false: Use replace mode (replace current history record)
     * @default true
     */
    push?: boolean;
    /**
     * Router options for creating the layer instance
     * These options will be merged with the default router configuration
     */
    routerOptions?: RouterLayerOptions;
}
 
export type RouteLayerResult =
    | { type: 'close'; route: Route }
    | { type: 'push'; route: Route }
    | { type: 'success'; route: Route; data?: any };
 
/**
 * Router options for creating layer instances
 * Excludes handler functions and layer fields which are handled internally by createLayer
 */
export type RouterLayerOptions = Omit<
    RouterOptions,
    'handleBackBoundary' | 'handleLayerClose' | 'layer'
>;
 
// ============================================================================
// Router MicroApp types
// ============================================================================
export interface RouterMicroAppOptions {
    mount: (el: HTMLElement) => void;
    unmount: () => void;
    renderToString?: () => Awaitable<string>;
}
 
export type RouterMicroAppCallback = (router: Router) => RouterMicroAppOptions;
 
export type RouterMicroApp =
    | Record<string, RouterMicroAppCallback | undefined>
    | RouterMicroAppCallback;
 
// ============================================================================
// Router core types
// ============================================================================
export interface RouterOptions {
    /**
     * Application mounting container
     * - Can be a DOM selector string (e.g., '#app', '.container', '[data-mount]')
     * - Can be an HTMLElement object
     * - Defaults to '#root'
     *
     * @example
     * ```typescript
     * // Using ID selector
     * new Router({ root: '#my-app' })
     *
     * // Using class selector
     * new Router({ root: '.app-container' })
     *
     * // Using attribute selector
     * new Router({ root: '[data-router-mount]' })
     *
     * // Passing DOM element directly
     * const element = document.getElementById('app');
     * new Router({ root: element })
     * ```
     */
    root?: string | HTMLElement;
    context?: Record<string | symbol, unknown>;
    data?: Record<string | symbol, unknown>;
    routes?: RouteConfig[];
    mode?: RouterMode;
    /** Optional in browser, but required on server side */
    base?: URL;
    req?: IncomingMessage | null;
    res?: ServerResponse | null;
    apps?: RouterMicroApp;
    normalizeURL?: (to: URL, from: URL | null) => URL;
    fallback?: RouteHandleHook;
    nextTick?: () => Awaitable<void>;
 
    rootStyle?: Partial<CSSStyleDeclaration> | false | null;
    layer?: boolean;
    zIndex?: number;
    handleBackBoundary?: (router: Router) => void;
    handleLayerClose?: (router: Router, data?: any) => void;
}
 
export interface RouterParsedOptions extends Readonly<Required<RouterOptions>> {
    readonly compiledRoutes: readonly RouteParsedConfig[];
    readonly matcher: RouteMatcher;
}
 
// ============================================================================
// RouterLink types
// ============================================================================
 
/**
 * Router link navigation types
 */
export type RouterLinkType =
    | 'push'
    | 'replace'
    | 'pushWindow'
    | 'replaceWindow'
    | 'pushLayer';
 
/**
 * Router link attributes generated by the source code
 */
export interface RouterLinkAttributes {
    // Always generated
    href: string;
    class: string;
 
    // Conditionally generated
    target?: '_blank';
    rel?: string;
}
 
/**
 * Framework-agnostic link configuration interface
 */
export interface RouterLinkProps {
    to: RouteLocationInput;
    type?: RouterLinkType;
    /**
     * @deprecated Use type='replace' instead
     */
    replace?: boolean;
    exact?: RouteMatchType;
    activeClass?: string;
    event?: string | string[];
    tag?: string;
    layerOptions?: RouteLayerOptions;
    /**
     * Hook function called before navigation occurs
     * @param event - The DOM event that triggered the navigation
     * @param eventName - The name of the event that triggered navigation
     *
     * Can prevent default event to block the default navigation handling logic.
     * Call event.preventDefault() to stop the navigation from proceeding.
     */
    beforeNavigate?: (event: Event, eventName: string) => void;
}
 
/**
 * Framework-agnostic link resolution result
 */
export interface RouterLinkResolved {
    // Basic information
    route: Route;
    type: RouterLinkType;
    isActive: boolean;
    isExactActive: boolean;
    isExternal: boolean;
    tag: string;
 
    // Element attributes
    attributes: RouterLinkAttributes;
 
    // Navigation function
    navigate: (e: Event) => Promise<void>;
 
    // Event handling
    createEventHandlers: (
        format?: (eventType: string) => string
    ) => Record<string, (e: Event) => Promise<void>>;
}