import type { ResolveTagInput, ResolvedTagOverride, RetryConfig } from "./contract.js";
import type { InteractionEventName } from "./interaction-events.js";
export type ResolveTagFn = (input: ResolveTagInput) => ResolvedTagOverride;
/** Plugin option entry for registering a custom client directive. */
export interface ClientDirectiveDefinition {
    /** HTML attribute name, e.g. `'client:on-click'` */
    name: string;
    /** Path to the directive module (supports Vite aliases) */
    entrypoint: string;
}
/** Shared directive configuration shape used by both the plugin and the runtime. */
export interface DirectivesConfig {
    /** Configuration for the `client:visible` directive (IntersectionObserver). */
    visible?: {
        /** HTML attribute name. Default: `'client:visible'` */
        attribute?: string;
        /** Passed to IntersectionObserver — loads islands before they scroll into view. Default: `'200px'` */
        rootMargin?: string;
        /** Passed to IntersectionObserver — ratio of element that must be visible. Default: `0` */
        threshold?: number;
    };
    /** Configuration for the `client:idle` directive (requestIdleCallback). */
    idle?: {
        /** HTML attribute name. Default: `'client:idle'` */
        attribute?: string;
        /** Deadline (ms) passed to requestIdleCallback; also used as the setTimeout fallback delay. Default: `500` */
        timeout?: number;
    };
    /** Configuration for the `client:media` directive (matchMedia). */
    media?: {
        /** HTML attribute name. Default: `'client:media'` */
        attribute?: string;
    };
    /** Configuration for the `client:defer` directive (fixed setTimeout delay). */
    defer?: {
        /** HTML attribute name. Default: `'client:defer'` */
        attribute?: string;
        /** Fallback delay (ms) when the attribute has no value. Default: `3000` */
        delay?: number;
    };
    /** Configuration for the `client:interaction` directive (mouseenter/touchstart/focusin). */
    interaction?: {
        /** HTML attribute name. Default: `'client:interaction'` */
        attribute?: string;
        /** Curated intent events to listen for. Default: `['mouseenter', 'touchstart', 'focusin']` */
        events?: readonly InteractionEventName[];
    };
    /** Custom client directives to register. Each entry maps an attribute name to a module entrypoint. */
    custom?: ClientDirectiveDefinition[];
}
export interface ShopifyThemeIslandsOptions {
    /** Directories to scan for island files. Accepts paths or Vite aliases. Default: `['/frontend/js/islands/']` */
    directories?: string | string[];
    /**
     * Determines how an Island's Tag ownership is derived at compile time.
     * - `"registeredTag"` (default): derives the Tag from a static `customElements.define("...", ...)` call in the Island file.
     * - `"filename"`: derives the Tag from the filename (v1.x compatibility mode).
     */
    tagSource?: "registeredTag" | "filename";
    /**
     * Override file-path-to-tag resolution.
     * Return `defaultTag` to keep default behavior, or `false` to exclude a file.
     * Final tag ownership must remain unique across discovered files.
     */
    resolveTag?: ResolveTagFn;
    /** Log discovered islands and generated virtual module. Default: `false` */
    debug?: boolean;
    /** Per-directive configuration. */
    directives?: DirectivesConfig;
    /** Automatic retry behaviour for failed island loads. */
    retry?: RetryConfig;
    /**
     * Milliseconds before a custom directive that never calls `load()` is considered timed out.
     * When exceeded, `islands:error` is dispatched and the island is abandoned.
     * Default: `0` (disabled).
     */
    directiveTimeout?: number;
}