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{%- macro stylesheet() %}
<link rel="stylesheet" href="{{ get_url(path=config.extra.stylesheet, trailing_slash=false, cachebust=true) | safe }}">
{%- endmacro %}
{%- macro resource() %}
{%- if config.extra.fonts_load and config.extra.fonts %}{%- for i in config.extra.fonts %}
{%- if i.url is matching("^http[s]?://") %}
<link rel="preload" href="{{ i.url | safe }}" as="style" onload="this.onload=null;this.rel='stylesheet'" crossorigin="anonymous">
{%- else %}
<link rel="preload" href="{{ get_url(path=i.url, trailing_slash=false) }}" as="style" onload="this.onload=null;this.rel='stylesheet'" crossorigin="anonymous">
{%- endif %}
{%- endfor %}{%- endif %}
{%- if config.extra.fontawesome %}
<link rel="preload" href="{{ config.extra.fontawesome | safe }}" as="style" onload="this.onload=null;this.rel='stylesheet'" crossorigin="anonymous">
{%- endif %}
{%- if config.build_search_index %}
{%- if config.extra.js_search_index %}
<script defer type="text/javascript" src="{{ get_url(path=config.extra.js_search_index, trailing_slash=false, cachebust=true) | safe }}"></script>
{%- endif %}
{%- if config.extra.js_search %}
<script defer type="text/javascript" src="{{ get_url(path=config.extra.js_search, trailing_slash=false, cachebust=true) | safe }}"></script>
{%- endif %}
{%- endif %}
{%- if config.generate_feed %}
<link rel="alternate" type="application/rss+xml" title="RSS" href="{{ get_url(path=config.extra.rss_atom_feed, trailing_slash=false) }}">
{%- endif %}
{%- endmacro %}
{%- macro favicons() %}
{%- if config.extra.favicon_theme_color %}
<meta name="theme-color" content="{{ config.extra.favicon_theme_color }}">
{%- endif %}
{%- if config.extra.favicon_ms_color %}
<meta name="msapplication-TileColor" content="{{ config.extra.favicon_ms_color }}">
{%- endif %}
{%- if config.extra.favicon_webmanifest %}
<link rel="manifest" href="{{ get_url(path=config.extra.favicon_webmanifest, trailing_slash=false) | safe }}">
{%- endif %}
{%- if config.extra.favicon_mask and config.extra.favicon_mask_color %}
<link rel="mask-icon" href="{{ get_url(path=config.extra.favicon_mask, trailing_slash=false) | safe }}" color="{{ config.extra.favicon_mask_color }}">
{%- endif %}
{%- if config.extra.favicon180 %}
<link rel="apple-touch-icon" sizes="180x180" href="{{ get_url(path=config.extra.favicon180, trailing_slash=false) | safe }}" />
{%- endif %}
{%- if config.extra.favicon32 %}
<link rel="icon" type="image/png" sizes="32x32" href="{{ get_url(path=config.extra.favicon32, trailing_slash=false) | safe }}" />
{%- endif %}
{%- if config.extra.favicon16 %}
<link rel="icon" type="image/png" sizes="16x16" href="{{ get_url(path=config.extra.favicon16, trailing_slash=false) | safe }}" />
{%- endif %}
{%- endmacro %}
{#- type: website or article, generally setting article for blog articles -#}
{#- page_images: using for the blog single template page -#}
{#- page_section: the blog single template page have to pass the parameter -#}
{#- is_404: using for the 404.html template -#}
{%- macro seo( title="",title_addition="",description="",type="website",is_home=false,is_404=false,is_page=false,page_images="",page_section="",created_time="2021-05-01T08:08:00+08:00", updated_time="2021-05-01T08:08:08+08:00" ) %}
{%- if is_404 -%}
<meta name="robots" content="noindex, follow">
{%- else -%}
<meta name="robots" content="index, follow">
<meta name="googlebot" content="index, follow, max-snippet:-1, max-image-preview:large, max-video-preview:-1">
<meta name="bingbot" content="index, follow, max-snippet:-1, max-image-preview:large, max-video-preview:-1">
{%- endif -%}
{%- if current_url %}
{%- set page_url = current_url %}
{%- else %}
{%- set page_url = get_url(path="404.html", trailing_slash=true) %}
{%- endif %}
<title>{{ title ~ title_addition }}</title>
{%- if config.extra.author %}
<meta name="author" content="{{ config.extra.author }}">
{%- endif %}
{%- if config.extra.facebook_publisher %}
<meta property="article:publisher" content="https://www.facebook.com/{{ config.extra.facebook_publisher }}">
{%- endif %}
<meta name="copyright" content="{{ title }}">
{%- if config.extra.facebook_author %}
<meta property="article:author" content="https://www.facebook.com/{{ config.extra.facebook_author }}">
{%- endif %}
{%- if page.description %}
<meta name="description" content="{{ page.description }}" />
{%- else %}
<meta name="description" content="{{ config.description }}" />
{%- endif %}
<link rel="canonical" href="{{ page_url | safe }}">
{%- if page.extra.keywords %}
<meta name="keywords" content="{{ page.extra.keywords }}, {{ config.extra.keywords }}">
{%- else %}
<meta name="keywords" content="{{ config.extra.keywords }}">
{%- endif %}
{#- Extra SEO START #}
{%- if config.extra.seo | default(value=true) %}
{%- if not is_404 %}
{%- if config.extra.google %}
<meta name="google-site-verification" content="{{ config.extra.google | safe }}">
{%- endif %}
{%- if config.extra.bing %}
<meta name="msvalidate.01" content="{{ config.extra.bing | safe}}">
{%- endif %}
<meta property="og:url" content="{{ page_url | safe }}">
<meta name="twitter:url" content="{{ page_url | safe }}">
{%- if page.description %}
<meta property="og:description" content="{{ page.description }}">
<meta name="twitter:description" content="{{ page.description }}">
{%- else %}
<meta property="og:description" content="{{ config.description }}">
<meta name="twitter:description" content="{{ config.description}}">
{%- endif %}
{%- if page.title %}
<meta property="og:title" content="{{ page.title }} | {{ title }}">
<meta name="twitter:title" content="{{ page.title }} | {{ title }}">
{%- else %}
<meta property="og:title" content="{{ title }}">
<meta name="twitter:title" content="{{ title }}">
{%- endif %}
{#- SEO MEDIA START #}
{%- if page.extra.thumbnail %}
<meta name="twitter:card" content="summary_large_image">
<meta name="twitter:image" content="{{ get_url(path=page.path ~ page.extra.thumbnail, trailing_slash=false) }}">
<meta property="og:image" content="{{ get_url(path=page.path ~ page.extra.thumbnail, trailing_slash=false) }}">
{%- elif page.extra.static_thumbnail %}
<meta name="twitter:card" content="summary_large_image">
{%- if page.extra.static_thumbnail is matching("^http[s]?://") %}
<meta name="twitter:image" content="{{ page.extra.static_thumbnail }}">
<meta property="og:image" content="{{ page.extra.static_thumbnail }}">
{%- else %}
<meta name="twitter:image" content="{{ get_url(path=page.extra.static_thumbnail, trailing_slash=false) }}">
<meta property="og:image" content="{{ get_url(path=page.extra.static_thumbnail, trailing_slash=false) }}">
{%- endif %}
{%- elif config.extra.banner %}
<meta name="twitter:card" content="summary_large_image">
<meta name="twitter:image" content="{{ get_url(path=config.extra.banner, trailing_slash=false) }}">
<meta property="og:image" content="{{ get_url(path=config.extra.banner, trailing_slash=false) }}">
{%- else %}
<meta name="twitter:card" content="summary">
{%- endif %}
{%- if config.extra.open.audio %}
<meta property="og:audio" content="{{ config.extra.open.audio }}">
{%- endif %}
{%- if config.extra.open.locale %}
<meta property="og:locale" content="{{ config.extra.open.locale }}">
{%- endif %}
{%- if config.extra.open.videos %}
{%- for video in config.extra.open.videos %}
<meta property="og:video" content="{{ get_url(path=video) }}">
{%- endfor %}
{%- endif %}
{#- SEO MEDIA END #}
<meta property="og:site_name" content="{{ title }}">
<meta property="og:locale" content="en_US">
<meta property="og:type" content="website">
<meta property="og:updated_time" content="{{ now() }}">
{%- if config.extra.social.twitter %}
<meta name="twitter:site" content="@{{ config.extra.twitter }}">
<meta name="twitter:creator" content="@{{ config.extra.twitter }}">
{%- endif %}
{%- endif %}
{%- endif %}
{#- Extra SEO END #}
{%- endmacro %}
{%- macro math() %}
{%- if config.extra.katex_enabled %}
<link rel="stylesheet" href="https://cdn.jsdelivr.net/npm/katex@0.15.1/dist/katex.min.css" integrity="sha384-R4558gYOUz8mP9YWpZJjofhk+zx0AS11p36HnD2ZKj/6JR5z27gSSULCNHIRReVs" crossorigin="anonymous">
<script defer src="https://cdn.jsdelivr.net/npm/katex@0.15.1/dist/katex.min.js" integrity="sha384-z1fJDqw8ZApjGO3/unPWUPsIymfsJmyrDVWC8Tv/a1HeOtGmkwNd/7xUS0Xcnvsx" crossorigin="anonymous"></script>
<script defer src="https://cdn.jsdelivr.net/npm/katex@0.15.1/dist/contrib/mathtex-script-type.min.js" integrity="sha384-jiBVvJ8NGGj5n7kJaiWwWp9AjC+Yh8rhZY3GtAX8yU28azcLgoRo4oukO87g7zDT" crossorigin="anonymous"></script>
{%- if config.extra.katex_auto_render %}
<script defer src="https://cdn.jsdelivr.net/npm/katex@0.15.1/dist/contrib/auto-render.min.js" integrity="sha384-+XBljXPPiv+OzfbB3cVmLHf4hdUFHlWNZN5spNQ7rmHTXpd7WvJum6fIACpNNfIR" crossorigin="anonymous"></script>
{%- endif %}
{%- endif %}
{%- endmacro %}
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