1
2
3
4
5
6
7
8
9
10
11
12
13
14
15
16
17
18
19
20
21
22
23
24
25
26
27
28
29
30
31
32
33
34
35
36
37
38
39
40
41
42
43
44
45
46
47
48
49
50
51
52
53
54
55
56
57
58
59
60
61
62
63
64
65
66
67
68
69
70
71
72
73
74
75
76
77
78
|
# frozen_string_literal: true
module Jekyll
class SeoTag
# A drop representing the page image
# The image path will be 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
class ImageDrop < Jekyll::Drops::Drop
include Jekyll::SeoTag::UrlHelper
# Initialize a new ImageDrop
#
# page - The page hash (e.g., Page#to_liquid)
# context - the Liquid::Context
def initialize(page: nil, context: nil)
raise ArgumentError unless page && context
@mutations = {}
@page = page
@context = context
end
# Called path for backwards compatability, this is really
# the escaped, absolute URL representing the page's image
# Returns nil if no image path can be determined
def path
@path ||= filters.uri_escape(absolute_url) if absolute_url
end
alias_method :to_s, :path
private
attr_accessor :page, :context
# The normalized image hash with a `path` key (which may be nil)
def image_hash
@image_hash ||= begin
image_meta = page["image"]
case image_meta
when Hash
{ "path" => nil }.merge!(image_meta)
when String
{ "path" => image_meta }
else
{ "path" => nil }
end
end
end
alias_method :fallback_data, :image_hash
def raw_path
@raw_path ||= begin
image_hash["path"] || image_hash["facebook"] || image_hash["twitter"]
end
end
def absolute_url
return unless raw_path
return @absolute_url if defined? @absolute_url
@absolute_url = if raw_path.is_a?(String) && absolute_url?(raw_path) == false
filters.absolute_url raw_path
else
raw_path
end
end
def filters
@filters ||= Jekyll::SeoTag::Filters.new(context)
end
end
end
end
|
