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Contents
module PictureTag
module Srcsets
# Creates a srcset in the "(filename) (width)w, (...)" format.
# Example: "img.jpg 400w, img2.jpg 600w, img3.jpg 800w"
class Width < Basic
# Sizes html attribute. Since it's intimately related to srcset, we
# generate it at the same time.
def sizes
preset_sizes = PictureTag.preset['sizes'] || {}
preset_size = PictureTag.preset['size']
size_set = []
preset_sizes.each_pair do |media, size|
size_set << build_size_entry(media, size)
end
size_set << preset_size if preset_size
size_set.any? ? size_set.join(', ') : nil
end
private
def widths
PictureTag.widths(@media)
end
def build_srcset_entry(file)
"#{file.uri} #{file.width}w"
end
def build_size_entry(media, size)
"(#{PictureTag.media_presets[media]}) #{size}"
end
end
end
end
Version data entries
17 entries across 17 versions & 1 rubygems