export {};

declare global {
    namespace Head {
        type Metadata1 = {
            readonly name: string;
            readonly keywords: string;
            readonly icon: string;
        };

        type ogType =
            | 'website'
            | 'article'
            | 'book'
            | 'profile'
            | 'video.other';

        export interface Metadata {
            title: string;
            description: string;
            keywords?: string;
            nofollow?: boolean;
            noindex?: boolean;
            canonical: string;
            openGraph: {
                title?: string;
                description?: string;
                type?: ogType;
                locale?: ogLocale;
                altLocale?: ogLocale;
                author?: string;
                publishedTime?: string;
            };
            ogImage?: {
                src: string;
                mime: mimeType;
                alt: string;
                width?: string;
                height?: string;
            };
        }
        export interface AllMetadata extends Metadata {
            siteName: string;
            icon?: { src: string; mime?: mimeType };
            sitemap?: string;
            siteKeywords: string;
            transition?: boolean;
        }

        type rel = 'prefetch' | 'preload' | 'preconnect' | 'dns-prefetch';
        type as = 'style' | 'script' | 'font' | 'image' | 'document';

        /**
         * @param rel
         * @param href
         * @param as
         * @param type
         * @param crossorigin
         */
        export interface Preload {
            rel: rel;
            href: string;
            as?: as;
            type?: string;
            crossorigin?: 'anonymous' | 'use-credentials';
        }
    }
    namespace RichSnippets {
        export interface BlogPosting {
            '@context': string;
            '@type': string;
            headline: string;
            image: string[];
            datePublished: Date | string;
            dateModified: Date | string;
            author?: {
                '@type': string;
                name: string;
                url: string;
            }[];
            publisher?: {
                name: string;
                url: string;
            };
        }
    }
}