convert logic to a drop

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Ben Balter 2017-04-06 19:02:32 -04:00
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4 changed files with 255 additions and 153 deletions

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@ -1,4 +1,6 @@
require "jekyll"
require "jekyll-seo-tag/version"
require "jekyll-seo-tag/drop"
module Jekyll
class SeoTag < Liquid::Tag
@ -36,15 +38,15 @@ module Jekyll
def payload
{
"page" => context.registers[:page],
"site" => context.registers[:site].site_payload["site"],
"page" => @context.registers[:page],
"site" => @context.registers[:site].site_payload["site"],
"paginator" => context["paginator"],
"seo_tag" => options,
"seo_tag" => drop,
}
end
def title?
@text !~ %r!title=false!i
def drop
Jekyll::SeoTag::Drop.new(@text, @context)
end
def info

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@ -0,0 +1,16 @@
module Jekyll
class SeoTag
# Stubbed LiquidContext to support relative_url and absolute_url helpers
class Context
attr_reader :site
def initialize(site)
@site = site
end
def registers
{ :site => site }
end
end
end
end

184
lib/jekyll-seo-tag/drop.rb Normal file
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@ -0,0 +1,184 @@
module Jekyll
class SeoTag
class Drop < Jekyll::Drops::Drop
TITLE_SEPARATOR = " | "
include Jekyll::Filters
include Liquid::StandardFilters
def initialize(text, context)
@obj = {}
@mutations = {}
@text = text
@context = context
end
def version
Jekyll::SeoTag::VERSION
end
# Should the `<title>` tag be generated for this page?
def title?
@text !~ %r!title=false!i && title
end
def site_title
format_string(site["title"] || site["name"])
end
# Page title without site title or description appended
def page_title
format_string(page["title"] || site_title)
end
# Page title with site title or description appended
def title
if page["title"] && site_title
format_string(page["title"]) + TITLE_SEPARATOR + site_title
elsif site["description"] && site_title
site_title + TITLE_SEPARATOR + format_string(site["description"])
else
format_string(page["title"]) || site_title
end
end
def name
if page["seo"] && page["seo"]["name"]
format_string page["seo"]["name"]
elsif homepage_or_about? && site["social"] && site["social"]["name"]
format_string site["social"]["name"]
elsif homepage_or_about? && site_title
format_string site_title
end
end
def description
format_string(page["description"] || page["excerpt"] || site["description"])
end
# Returns a nil or a hash representing the author
# Author name will be pulled from:
#
# 1. The `author` key, if the key is a string
# 2. The first author in the `authors` key
# 3. The `author` key in the site config
#
# If the result from the name search is a string, we'll also check
# to see if the author exists in `site.data.authors`
def author
author = page["author"]
author = page["authors"][0] if author.to_s.empty? && page["authors"]
author = site["author"] if author.to_s.empty?
return if author.to_s.empty?
if author.is_a?(String)
if site.data["authors"] && site.data["authors"][author]
author = site.data["authors"][author]
else
author = { "name" => author }
end
end
author["twitter"] ||= author["name"]
author["twitter"].gsub! "@", ""
author.to_liquid
end
def date_modified
return page["seo"].date_modified if page["seo"] && page["seo"]["date_modified"]
page["last_modified_at"] || page["date"]
end
def type
if page["seo"] && page["seo"]["type"]
page["seo"]["type"]
elsif homepage_or_about?
"WebSite"
elsif page["date"]
"BlogPosting"
else
"WebPage"
end
end
def links
if page["seo"] && page["seo"]["links"]
page["seo"]["links"]
elsif homepage_or_about? && site["social"] && site["social"]["links"]
site["social"]["links"]
end
end
# TODO escape
def logo
return unless site["logo"]
if absolute_url? site["logo"]
site["logo"]
else
absolute_url site["logo"]
end
end
# Returns nil or a hash representing the page image
# The image hash will always contain a path, pulled from:
#
# 1. The `image` key if it's a string
# 2. The `image.path` key if it's a hash
# 3. The `image.facebook` key
# 4. The `image.twitter` key
#
# The resulting path is always an absolute URL
# TODO escape
def image
return unless image = page["image"]
image = { "path" => image } if image.is_a?(String)
image["path"] ||= image["facebook"] || image["twitter"]
unless absolute_url? image["path"]
image["path"] = absolute_url image["path"]
end
image.to_liquid
end
def page_lang
page["lang"] || site["lang"] || "en_US"
end
private
def page
@page ||= @context.registers[:page].to_liquid
end
def site
@site ||= @context.registers[:site].site_payload["site"].to_liquid
end
def homepage_or_about?
["/", "/index.html", "/about/"].include? page["url"]
end
def context
@context
end
def fallback_data
{}
end
def absolute_url?(string)
string.include? "://"
end
def format_string(string)
methods = %i(markdownify strip_html normalize_whitespace escape_once)
methods.each do |method|
string = public_send(method, string)
end
string unless string.empty?
end
end
end
end

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@ -1,143 +1,39 @@
<!-- Begin Jekyll SEO tag v{{ seo_tag.version }} -->
{% if page.url == "/" or page.url == "/about/" %}
{% assign seo_homepage_or_about = true %}
{% if seo_tag.title? %}
<title>{{ seo_tag.title }}</title>
{% endif %}
{% assign seo_site_title = site.title | default: site.name %}
{% assign seo_page_title = page.title | default: seo_site_title %}
{% assign seo_title = page.title | default: seo_site_title %}
{% if page.title and seo_site_title %}
{% assign seo_title = page.title | append:" | " | append: seo_site_title %}
{% elsif site.description and seo_site_title %}
{% assign seo_title = seo_site_title | append:" | " | append: site.description %}
{% if seo_tag.page_title %}
<meta property="og:title" content="{{ seo_tag.page_title }}" />
{% endif %}
{% if page.seo and page.seo.name %}
{% assign seo_name = page.seo.name %}
{% elsif seo_homepage_or_about and site.social and site.social.name %}
{% assign seo_name = site.social.name %}
{% elsif seo_homepage_or_about and seo_site_title %}
{% assign seo_name = seo_site_title %}
{% endif %}
{% if seo_name %}
{% assign seo_name = seo_name | smartify | strip_html | normalize_whitespace | escape_once %}
{% if seo_tag.author.name %}
<meta name="author" content="{{ seo_tag.author.name }}" />
{% endif %}
{% if seo_title %}
{% assign seo_title = seo_title | smartify | strip_html | normalize_whitespace | escape_once %}
<meta property="og:locale" content="{{ seo_tag.page_lang | replace:'-','_' }}" />
{% if seo_tag.description %}
<meta name="description" content="{{ seo_tag.description }}" />
<meta property="og:description" content="{{ seo_tag.description }}" />
{% endif %}
{% if seo_site_title %}
{% assign seo_site_title = seo_site_title | smartify | strip_html | normalize_whitespace | escape_once %}
{% endif %}
{% if seo_page_title %}
{% assign seo_page_title = seo_page_title | smartify | strip_html | normalize_whitespace | escape_once %}
{% endif %}
{% assign seo_description = page.description | default: page.excerpt | default: site.description %}
{% if seo_description %}
{% assign seo_description = seo_description | markdownify | strip_html | normalize_whitespace | escape_once %}
{% endif %}
{% assign seo_author = page.author | default: page.authors[0] | default: site.author %}
{% if seo_author %}
{% if seo_author.name %}
{% assign seo_author_name = seo_author.name %}
{% else %}
{% if site.data.authors and site.data.authors[seo_author] %}
{% assign seo_author_name = site.data.authors[seo_author].name %}
{% else %}
{% assign seo_author_name = seo_author %}
{% endif %}
{% endif %}
{% if seo_author.twitter %}
{% assign seo_author_twitter = seo_author.twitter %}
{% else %}
{% if site.data.authors and site.data.authors[seo_author] %}
{% assign seo_author_twitter = site.data.authors[seo_author].twitter %}
{% else %}
{% assign seo_author_twitter = seo_author %}
{% endif %}
{% endif %}
{% assign seo_author_twitter = seo_author_twitter | replace:"@","" %}
{% endif %}
{% if page.date_modified or page.last_modified_at or page.date %}
{% assign seo_date_modified = page.seo.date_modified | default: page.last_modified_at %}
{% endif %}
{% if page.seo and page.seo.type %}
{% assign seo_type = page.seo.type %}
{% elsif seo_homepage_or_about %}
{% assign seo_type = "WebSite" %}
{% elsif page.date %}
{% assign seo_type = "BlogPosting" %}
{% else %}
{% assign seo_type = "WebPage" %}
{% endif %}
{% if page.seo and page.seo.links %}
{% assign seo_links = page.seo.links %}
{% elsif seo_homepage_or_about and site.social and site.social.links %}
{% assign seo_links = site.social.links %}
{% endif %}
{% if site.logo %}
{% assign seo_site_logo = site.logo %}
{% unless seo_site_logo contains "://" %}
{% assign seo_site_logo = seo_site_logo | absolute_url %}
{% endunless %}
{% assign seo_site_logo = seo_site_logo | escape %}
{% endif %}
{% if page.image %}
{% assign seo_page_image = page.image.path | default: page.image.facebook | default: page.image.twitter | default: page.image %}
{% unless seo_page_image contains "://" %}
{% assign seo_page_image = seo_page_image | absolute_url %}
{% endunless %}
{% assign seo_page_image = seo_page_image | escape %}
{% endif %}
{% assign seo_page_lang = page.lang | default: site.lang | default: "en_US" %}
{% if seo_tag.title and seo_title %}
<title>{{ seo_title }}</title>
{% endif %}
{% if seo_page_title %}
<meta property="og:title" content="{{ seo_page_title }}" />
{% endif %}
{% if seo_author_name %}
<meta name="author" content="{{ seo_author_name }}" />
{% endif %}
<meta property="og:locale" content="{{ seo_page_lang | replace:'-','_' }}" />
{% if seo_description %}
<meta name="description" content="{{ seo_description }}" />
<meta property="og:description" content="{{ seo_description }}" />
{% endif %}
{% if page.url %}
{% if site.url %}
<link rel="canonical" href="{{ page.url | replace:'/index.html','/' | absolute_url }}" />
<meta property="og:url" content="{{ page.url | replace:'/index.html','/' | absolute_url }}" />
{% endif %}
{% if seo_site_title %}
<meta property="og:site_name" content="{{ seo_site_title }}" />
{% if seo_tag.site_title %}
<meta property="og:site_name" content="{{ seo_tag.site_title }}" />
{% endif %}
{% if seo_page_image %}
<meta property="og:image" content="{{ seo_page_image }}" />
{% if page.image.height %}
<meta property="og:image:height" content="{{ page.image.height }}" />
{% if seo_tag.image %}
<meta property="og:image" content="{{ seo_tag.image.path }}" />
{% if seo_tag.image.height %}
<meta property="og:image:height" content="{{ seo_tag.image.height }}" />
{% endif %}
{% if page.image.width %}
<meta property="og:image:width" content="{{ page.image.width }}" />
{% if seo_tag.image.width %}
<meta property="og:image:width" content="{{ seo_tag.image.width }}" />
{% endif %}
{% endif %}
@ -153,8 +49,9 @@
<link rel="next" href="{{ paginator.next_page_path | absolute_url }}">
{% endif %}
{{ seo_tag.author | jsonify }}
{% if site.twitter %}
{% if seo_page_image or page.image.twitter %}
{% if seo_tag.image %}
<meta name="twitter:card" content="summary_large_image" />
{% else %}
<meta name="twitter:card" content="summary" />
@ -162,8 +59,8 @@
<meta name="twitter:site" content="@{{ site.twitter.username | replace:"@","" }}" />
{% if seo_author_twitter %}
<meta name="twitter:creator" content="@{{ seo_author_twitter }}" />
{% if seo_tag.author.twitter %}
<meta name="twitter:creator" content="@{{ seo_tag.author.twitter }}" />
{% endif %}
{% endif %}
@ -185,12 +82,15 @@
{% if site.webmaster_verifications.google %}
<meta name="google-site-verification" content="{{ site.webmaster_verifications.google }}">
{% endif %}
{% if site.webmaster_verifications.bing %}
<meta name="msvalidate.01" content="{{ site.webmaster_verifications.bing }}">
{% endif %}
{% if site.webmaster_verifications.alexa %}
<meta name="alexaVerifyID" content="{{ site.webmaster_verifications.alexa }}">
{% endif %}
{% if site.webmaster_verifications.yandex %}
<meta name="yandex-verification" content="{{ site.webmaster_verifications.yandex }}">
{% endif %}
@ -203,63 +103,63 @@
{
"@context": "http://schema.org",
{% if seo_type %}
"@type": {{ seo_type | jsonify }},
{% if seo_tag.type %}
"@type": {{ seo_tag.type | jsonify }},
{% endif %}
{% if seo_name %}
"name": {{ seo_name | jsonify }},
{% if seo_tag.name %}
"name": {{ seo_tag.name | jsonify }},
{% endif %}
{% if seo_page_title %}
"headline": {{ seo_page_title | jsonify }},
{% if seo_tag.page_title %}
"headline": {{ seo_tag.page_title | jsonify }},
{% endif %}
{% if seo_author %}
{% if seo_tag.author %}
"author": {
"@type": "Person",
"name": {{ seo_author | jsonify }}
"name": {{ seo_tag.author.name | jsonify }}
},
{% endif %}
{% if seo_page_image %}
"image": {{ seo_page_image | jsonify }},
{% if seo_tag.image %}
"image": {{ seo_tag.image.path | jsonify }},
{% endif %}
{% if page.date %}
"datePublished": {{ page.date | date_to_xmlschema | jsonify }},
{% endif %}
{% if seo_date_modified %}
"dateModified": {{ seo_date_modified | date_to_xmlschema | jsonify }},
{% if seo_tag.date_modified %}
"dateModified": {{ seo_tag.date_modified | date_to_xmlschema | jsonify }},
{% endif %}
{% if seo_description %}
"description": {{ seo_description | jsonify }},
{% if seo_tag.description %}
"description": {{ seo_tag.description | jsonify }},
{% endif %}
{% if seo_site_logo %}
{% if seo_tag.logo %}
"publisher": {
"@type": "Organization",
{% if seo_author %}
"name": {{ seo_author | jsonify }},
{% if seo_tag.author %}
"name": {{ seo_tag.author.name | jsonify }},
{% endif %}
"logo": {
"@type": "ImageObject",
"url": {{ seo_site_logo | jsonify }}
"url": {{ seo_tag.logo | jsonify }}
}
},
{% endif %}
{% if seo_type == "BlogPosting" or seo_type == "CreativeWork"%}
{% if seo_tag.type == "BlogPosting" or seo_tag.type == "CreativeWork"%}
"mainEntityOfPage": {
"@type": "WebPage",
"@id": {{ page.url | replace:'/index.html','/' | absolute_url | jsonify }}
},
{% endif %}
{% if seo_links %}
"sameAs": {{ seo_links | jsonify }},
{% if seo_tag.links %}
"sameAs": {{ seo_tag.links | jsonify }},
{% endif %}
"url": {{ page.url | replace:'/index.html','/' | absolute_url | jsonify }}